Daikin BSV100KLV1, Manual

Page 1: ...1 9 Pressure Equalization Control 23 1 10 Frequency Limit Control by Pressure Equalization 24 1 11 BS Changeover Control 25 1 12 Pump Down Residual Operation 26 1 13 Step Down Safety Control Standby Forced Thermostat OFF Stop Due to Malfunction 27 1 14 Low Noise Control 29 1 15 Demand Control 30 1 16 Compressor Capacity Control 31 1 17 Te Tc Setting 32 1 18 Gas Depletion Alarm 33 1 19 Drain Pump C...

Page 2: ... R3T for Gas Pipes 86 2 11 Indoor Unit Malfunction of Thermistor R1T for Air Inlet 87 2 12 Indoor Unit Malfunction of Thermostat Sensor in Remote Controller 88 2 13 Outdoor Unit Actuation of Safety Device 89 2 14 Outdoor Unit PC Board Defect 90 2 15 Outdoor Unit Actuation of High Pressure Switch 91 2 16 Outdoor Unit Actuation of Low Pressure Sensor 92 2 17 Outdoor Unit Malfunction of Moving Part o...

Page 3: ...ntaneous Failure 120 4 7 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise Sensor 121 4 8 Outdoor Unit Inverter Over Ripple Protection 122 5 Troubleshooting OP Central Remote Controller 123 5 1 Malfunction of Transmission between Central Remote Controller and Indoor Unit 123 5 2 PC Board Defect 124 5 3 Malfunction of Transmission between Optional Controllers for Centralized Contr...

Page 4: ...ode Modules 141 2 1 Method of Replacing The Inverter s Power Transistors and Diode Modules 141 3 Precaution 142 3 1 PC Boards and Remote Controller s Mode No 142 4 Typical Wiring Mistakes 143 4 1 Typical Wiring Mistakes 143 5 Piping Diagram 150 5 1 Heat Recovery Series Outdoor Unit 150 5 2 BS Unit 151 6 Wiring Diagram 153 6 1 Heat Recovery Series Outdoor Unit 153 6 2 BS Unit 154 Index i Drawings F...

Page 5: ...mbling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas The refr...

Page 6: ... shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly be using the provided standa...

Page 7: ... old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If a combustible gas leaks and re...

Page 8: ...lectrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor Caution Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is dang...

Page 9: ... and so you can provide fast and reliable after sales service Although the contents of the manual may be insufficient in some areas we hope that you will use it to the best of your ability The service manual for the VRV K Series Heat Recovery System with scroll type compressor explains the new methods super piping and super wiring featured by the system in four sections Outline Functions Test Oper...

Page 10: ...Introduction Si 95 x SI 95 BOOK Page x Friday March 31 2000 10 59 AM ...

Page 11: ... Information Inverter K Series 1 Part1 General Information Inverter K Series 1 Outline 2 1 1 System Outline 2 1 2 Allowed Range of Indoor Unit and BS Unit Connection 3 SI 95 BOOK Page 1 Friday March 31 2000 10 59 AM ...

Page 12: ...n indoor units Outside temperature of 35 C for operation mode A 0 C for operation mode D and typical seasonal outside temperatures for others No 1 No 2 No 3 No 4 BS unit Outdoor unit RSEYP10K 10HP Indoor unit A All units in cooling operation D All units in heating operation B Most units in cooling operation and a few units in heating operation C Most units in heating operation and a few units in c...

Page 13: ...ctable indoor units Max number of connectable indoor units Range A Total indoor unit capacity RSEY8KLY1 11 2 to 29 1kW 13 units RSEY10KLY1 14 to 36 4kW 16 units Range B Total indoor unit capacity allowed for simultaneous cooling heating operations RSEY8KLY1 11 2kW or more 13 units RSEY10KLY1 14kW or more 16 units Range C Total indoor unit capacity allowed for connection to BS unit BSV100KLV1 less ...

Page 14: ...Outline Si 95 4 General Information Inverter K Series SI 95 BOOK Page 4 Friday March 31 2000 10 59 AM ...

Page 15: ...20 1 8 Defrost 21 1 9 Pressure Equalization Control 23 1 10 Frequency Limit Control by Pressure Equalization 24 1 11 BS Changeover Control 25 1 12 Pump Down Residual Operation 26 1 13 Step Down Safety Control Standby Forced Thermostat OFF Stop Due to Malfunction 27 1 14 Low Noise Control 29 1 15 Demand Control 30 1 16 Compressor Capacity Control 31 1 17 Te Tc Setting 32 1 18 Gas Depletion Alarm 33...

Page 16: ...Functions Si 95 6 Functions Inverter K Series 1 Functions 1 1 Outdoor Unit Refrigerant Diagrams RSEY8K 10KLY1 SI 95 BOOK Page 6 Friday March 31 2000 10 59 AM ...

Page 17: ...e change H Solenoid valve for liquid pressure Y6S This valve opens a bypass to send hot gas to the receiver and controls the liquid pressure I Pressure sensor high pressure red SENPH This semiconductor pressure sensor detects discharge pressure The detected refrigerant pressure is used to evaluate the operation conditions of indoor units Heating operation The sensor detects high pressure and contr...

Page 18: ... valve discharge side Y3S Turn ON this valve to operate of discharge oil return when indoor unit is set for heating Connect indoor unit gas pipe and outdoor unit discharge pipe C Solenoid valve Drift prevention injection Y1S The only valve in BS unit of which indoor unit is in heating operation when simultaneous cooling heating operation is applied in the same system Impossible to replace solenoid...

Page 19: ...0 1 0 1 0kg cm2 Fusible plug FPG 3D 70 75 C Sensor SENPH Pressure sensor PS8030A 0 30kg cm2 0 2 94MPa SENPL Pressure sensor PS8030A 0 10kg cm2 0 0 98MPa R1T Thermistor for outdoor air 3 5 360KΩ R2 1T R2 2T Thermistor for heat exchange 3 5 360KΩ R3 1T Thermistor for inverter discharge pipe 3 5 400KΩ R3 2T Thermistor for standard discharge pipe 3 5 400KΩ R4 1T R4 2T Thermistor for suction pipe 3 5 3...

Page 20: ...Functions Si 95 10 Functions Inverter K Series 1 3 Flow of Refrigerant in Each Operation Mode 1 3 1 Cooling High pressure Low pressure SI 95 BOOK Page 10 Friday March 31 2000 10 59 AM ...

Page 21: ...Si 95 Functions Functions Inverter K Series 11 1 3 2 Heating High pressure Low pressure SI 95 BOOK Page 11 Friday March 31 2000 10 59 AM ...

Page 22: ...Functions Si 95 12 Functions Inverter K Series 1 3 3 Simultaneous Cooling and Heating High pressure Low pressure SI 95 BOOK Page 12 Friday March 31 2000 10 59 AM ...

Page 23: ...Si 95 Functions Functions Inverter K Series 13 1 3 4 Discharge Oil Return Defrost High pressure Low pressure SI 95 BOOK Page 13 Friday March 31 2000 10 59 AM ...

Page 24: ...Functions Si 95 14 Functions Inverter K Series 1 3 5 Suction Oil Defrost High pressure Low pressure SI 95 BOOK Page 14 Friday March 31 2000 10 59 AM ...

Page 25: ... constant superheat SH level at the outlet of the outdoor heat exchanger evaporator SHs Ts Te SHs 5 C Ts1 Suction pipe temperature R4 1T Ts2 Suction pipe temperature R4 2T 3 Heat exchanger PI control Provides PI control for the motorized valve Y1E to maintain TeS and TcS at constant Motorized valve mode L M Factory setting H 2 5 5 5 8 5 L M Factory setting H 43 46 49 EV mode Initial opening Max op...

Page 26: ...operation Heat operation COND COND H ON 1 COND COND L ON 1 COND COND H OFF 1 COND COND L OFF 1 COND EVAP H ON 2 COND EVAP L ON 2 COND EVAP H OFF 2 COND EVAP L OFF 2 COND EVAP L OFF 3 COND EVAP L OFF 4 COND EVAP H OFF 4 COND EVAP H ON 4 EVAP EVAP L OFF 4 EVAP EVAP H OFF 4 EVAP EVAP H ON 4 EVAP EVAP H ON 5 SI 95 BOOK Page 16 Friday March 31 2000 10 59 AM ...

Page 27: ... pressure after the compressor stops fully close the indoor unit s electronic expansion valve for 10 minutes 1 5 2 Soft Start The following control is carried out to protect the compressor and inverter 1 Operates at low frequency fixed for 1 minute after compressor starts Prevents liquid refrigerant backflow 2 Hot gas bypass solenoid valves open and start low load Soft Start of Compressor Thermost...

Page 28: ...g Lay Up Start If the compressor hasn t run for a long time and the refrigerant isn t circulated foaming could cause a lack of oil when the compressor is started at the next time It should therefore perform heating lay up start to keep the low pressure from dropping too low in the following cases First starting after being power ON Starting after the compressor has been stopped or thermostat OFF f...

Page 29: ...d then reverts to normal operation If oil pressure equalization is not achieved during 5 minutes by stopping or step down control oil pressure equalization is carried out when the standard compressor starts running With an inverter compressor operation however if the standard compressor remains off for 10 minutes the cumulative running time of the standard compressor is reset During equalized oil ...

Page 30: ...FF EEV 2000pls Outdoor Unit Fan H ON Outdoor Unit Heat Exchanger Condenser 4 Way Valve OFF Injection 1 Td Protection Control Injection 2 Td Protection Control Hot Gas ON at Lp 0 3k 4 Minutes Elapsed Td Discharge Pipe Temperature Step 3 BS solenoid valve changeover Compressor 38Hz OFF EEV 2000pls Outdoor Unit Fan H ON Outdoor Unit Heat Exchanger Condenser 4 Way Valve OFF Injection 1 Td Protection C...

Page 31: ...ition M Tcoil R2 1T R2 2T 10 C 3 If position H Tcoil R2 1T R2 2T 8 C Because defrost operation is carried out set to the H position if frost builds up easily and set to L if not Factory set is position M OR At least 20 minutes have elapsed since completion of oil return or since compressor starts High pressure 20k Tc 52 4ºC Compressor is running at least 30 minutes since completion of previous def...

Page 32: ...T 12 5ºC Pc 20 5k 10 Minutes Elapsed Since Defrost Operation Start Step 3 BS solenoid valve changeover Compressor 38Hz OFF EEV 2000pls Outdoor Unit Fan OFF OFF Outdoor Unit Heat Exchanger Condenser 4 Way Valve OFF Injection 1 Td Protection Control Injection 2 OFF Hot Gas ON 40 Seconds Elapsed Step 4 Refrigerant is discharged from accumulator Compressor 76Hz OFF EEV Limit of EV Opening Outdoor Unit...

Page 33: ...Pressure equalization solenoid valve Y1S is ON at following conditions Operating condition of indoor unit with thermostat ON is different from the condition of BS unit s solenoid valve see page 25 Not in startup control Liquid refrigerant not being discharged from accumulator Not in residual pump down operation 7 minutes passed after completion of previous pressure equalizing control operation Not...

Page 34: ...ity is limited to prevent abnormal noise caused by the equalizing operation Operating conditions During the first 30 seconds the following operations are conducted Equalizing operation demand issued Not in cooling operation only INV outdoor unit Compressor operating capacity 54Hz OFF SI 95 BOOK Page 24 Friday March 31 2000 10 59 AM ...

Page 35: ...tion 4 Oil return defrost Oil return defrost complete Discharge defrost Discharge oil return Suction defrost Suction oil return VF006 Condition Indoor unit operating condition Y3S Y2S Y1S ON Open OFF Closed 1 Cooling Heating stop 1 OFF ON OFF 2 Heating thermostat OFF Heating thermostat ON ON OFF 2 3 Discharge oil return OFF OFF OFF 4 Suction oil return Defrost ON ON OFF 1 Condition 2 results in he...

Page 36: ...ual operation Secondary side heat exchanger 4 way valve Y2R is ON Discharge pipe thermistor R3 1T on inverter side 95 C or lower OR Outside air temperature thermistor R1T 0 C When compressor continuous operating time is less than 1 minutes and thermostat is OFF or when stop command is received from remote controller Within 20 minutes after defrost or oil return operation R5T oil temperature Te 15 ...

Page 37: ...t operation Hot gas bypass valve ON 106Hz OFF or 60Hz ON Injection valve ON Lp 1 7kg cm 0 167MPa Forced thermostat OFF Up to 2 times in 30 minutes E4 stop due to malfunction Hot gas bypass valve ON VF002 or LP 0 8 R5T Te 10ºC LP 0 5 R5T Te 10ºC or Td 130 C Td 105 C or DSH 55 C DSH Discharge Super Heating or Td 90 C Lp 3kg cm Control during cooling or 0 294MPa Td 90 C Lp 1 0kg cm or 0 098MPa Inject...

Page 38: ... OFF and discharge super heating DSH continues for 10 minutes at temperature difference of less than 10 C the inverter standard compressor are controlled at 76 Hz or less OFF for 3 minutes Control According to Outdoor Temperature If the outdoor temperature exceeds 23 C when heating forced thermostat OFF is carried out in order to prevent a safety device from being tripped or a sensor malfunction S...

Page 39: ... MPa Step2 1 high pressure 19 kg cm2 1 86 MPa Low noise control reduces capacity by limiting the fan speed and compressor frequency The load when heating is particularly large at night when the outdoor temperature is low and could result in insufficient capacity During low noise control retry is unlimited for standby forced thermostat OFF produced by high pressure low pressure or discharge pipe te...

Page 40: ...n to approx 70 Demand 2 Holds electric power consumption down to approx 40 Demand 3 Forced thermostat OFF An optional external control adaptor of outdoor units is required for demand control For method of connection see demand operation in the test operation section Control is carried out by limiting the upper limit for frequency of demand 1 and demand 2 as given in the table below 8HP 10HP Demand...

Page 41: ...d in 20 stages by microcomputer Commercial power supply compressor off Frequency 30Hz OFF 34Hz OFF 38Hz OFF 42Hz OFF 48Hz OFF 54Hz OFF 60Hz OFF 68Hz OFF 76Hz OFF 86Hz OFF 96Hz OFF 106Hz OFF Commercial power supply compressor full load Frequency 38Hz ON 48Hz ON 60Hz ON 76Hz ON 86Hz ON 96Hz ON 106Hz ON 116Hz ON Min output Max output VE005 SI 95 BOOK Page 31 Friday March 31 2000 10 59 AM ...

Page 42: ...length of piping and indoor load The range is 10 C target Te 5 5 C Piping length is determined automatically during oil return operation Target Tc becomes 3 C higher when indoor load is large Target Tc is controlled in accordance with the following conditions Outdoor temp 10 C target Tc 46 C Outdoor temp 10 C target Tc 49 C Target Tc 43 C when high pressure 17 kg cm2 1 67 MPa and low pressure 1 8 ...

Page 43: ...e left continue for 30 min VF008 While compressor is running and 4 way valve ON heating cycle and Evaporator outlet superheat temperature 20 C difference and Outdoor unit electronic expansion valve 2000 pulses completely open Gas depletion alarm cancellation Gas depletion alarm U0 is displayed Conditions given on the left continue for 60 min Compressor off or 4 way valve OFF cooling cycle defrost ...

Page 44: ...ng Thermostat is ON 1 The objective of residual operation is to completely drain any moisture adhering to the fin of the indoor unit heat exchanger when the thermostat goes off during cooling operation 2 One cycle consists of 5 minutes of operation 5 seconds stop and another 5 minutes of operation 1 19 2 When the Float Switch is Tripped During Cooling OFF by Thermostat SI 95 BOOK Page 34 Friday Ma...

Page 45: ...es operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 1 19 4 When the Float Switch is Tripped and AF is Displayed on the Remote Controller Note If the float switch is tripped five times in succession a drain malfunction is determined to have occurred AF is then displayed as operation continues SI 95 BOOK Page 35 Friday March 31 2000 10 59 AM ...

Page 46: ...nd corner types P0 P1 P2 P4 P3 P0 P1 P2 P4 P3 P0 P0 P1 P2 P4 P4 P2 P1 P0 P4 P4 P3 P2 P1 P0 P3 Existing position Draft prevention position Standard Setting position Ceiling soiling prevention position Draft prevention position Standard position Prohibited Prohibited Dirt prevention position P0 P0 P0 P1 P2 P2 P1 P3 P3 P4 P4 P1 P P3 P4 Same as existing position Separated into 5 positions P1 4 Separat...

Page 47: ...ng Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 30 C A F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 C to 23 C A C Remote controller thermostat sensor is used for ...

Page 48: ...emperature is higher than the preset temperature Ex When heating Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 28 C A F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 ...

Page 49: ...ntion operation in accordance with the following conditions and is also set in accordance with the conditions given below Conditions for starting freeze prevention Temperature is 1 C or less for total of 40 min or temperature is 5 C or less for total of 10 min Conditions for stopping freeze prevention Temperature is 7 C or more for 10 min continuously Ex Case where temperature is 5 C or less for t...

Page 50: ...Functions Si 95 40 Functions Inverter K Series SI 95 BOOK Page 40 Friday March 31 2000 10 59 AM ...

Page 51: ...104A61 TA104A62 52 1 6 Cool Heat Mode Switching 56 1 7 Low Noise Operation 58 1 8 Demand Control 59 1 9 Wiring Check Operation 60 1 10 Indoor Field Setting 61 1 11 Centralized Control Group No Setting 63 1 12 Setting of Master Remote Controller 65 1 13 Remote Controller Self Diagnosis Function 67 1 14 Operation of the Remote Controller s Inspection Test Operation Button 70 1 15 Remote Controller S...

Page 52: ...for master power supply to be set automatically Outdoor unit LED HWL H2P On Test lamp H2P Flicker Can be set while in operation Indoor unit If the ON OFF button is pushed during the aforementioned operation the operation lamp lights but the unit will not run Returns to normal when automatic setting is complete 1 1 3 If outdoor indoor or BS unit is extended or if indoor outdoor unit PC board is rep...

Page 53: ...Si 95 Test Operation Test Operation Inverter K Series 43 1 2 Outdoor Unit PC Board Ass y RSEY8K 10K SI 95 BOOK Page 43 Friday March 31 2000 10 59 AM ...

Page 54: ... hold for 5 sec to start wiring check Reset button Push and hold for 5 sec if the indoor unit s PC board has been replaced or there has been a change in the combination of indoor and outdoor units such as indoor unit extension etc 3 Jumper pin Forced defrost operation by short circuit Setting mode 1 H1P off Push 1 time Monitor mode H1P flickers Push 1 time Push and hold for 5 sec Setting mode 2 H1...

Page 55: ...of how to proceed push the MODE button and return to setting mode 1 You don t have to perform power supply reset after changing settings in setting mode 1 including SS1 cool heat selection switch on the outdoor unit PC board and setting mode 2 Push the MODE button Push the MODE button Push the SET button Push and hold the MODE button for 5 sec Push the MODE button Setting mode 1 Initial setting Pu...

Page 56: ... sequential start to OFF Setting complete GROUP MASTER cool heat selection ON low noise OFF sequential start MODE TEST L N O P SEQ HWL START H1P H2P H3P H4P H5P H6P H7P SET MODE TEST L N O P SEQ HWL START H1P H2P H3P H4P H5P H6P H7P SET MODE TEST L N O P SEQ HWL START H1P H2P H3P H4P H5P H6P H7P MODE TEST L N O P SEQ HWL START H1P H2P H3P H4P H5P H6P H7P SET SET MODE TEST L N O P SEQ HWL START H1P...

Page 57: ... operation is not possible by Emergency operation 1 2 3 4 5 6 7 8 9 Setting item EMG 1 Low noise demand address Forced fan switch Indoor unit forced operation Frequency fix Te setting Tc setting Defrost setting Not used Description Emergency operation when malfunction occurs Address for low noise demand group operation Fan of stopped indoor unit turns Allows operation of indoor unit from outdoor u...

Page 58: ...fan switch 3 S Forced fan operation H tap Normal operation Allows operation of indoor unit from outdoor unit Indoor unit forced operation 4 S Frequency fix Normal operation Fixes the frequency of the inverter compressor Frequency fix 5 S S S S Address 0 Binary number 1 6 digits 2 63 Airnet address Not used 9 S S S S Address 0 Binary number 1 6 digits 2 31 Address for low noise demand group operati...

Page 59: ... set Low Defrost temperature setting for defrost Quick defrost Normal factory set Slow defrost EMG emergency operation when malfunction occurs ON OF Push the SET button and match with the LEDs No 1 15 push the RETURN button and enter the data for each setting Data such as addresses and number of units is expressed as binary numbers the two ways of expressing are as follows See the following page f...

Page 60: ...zone units excluding outdoor and BS units 0 63 units Lower 6 digits No 7 8778777 Number of outdoor units 0 63 units Lower 6 digits No 8 8778778 Number of BS units 0 128 units Lower 4 digits upper No 9 8778787 Number of BS units 0 128 units Lower 4 digits lower No 10 8778788 Number of zone units excluding outdoor and BS units 0 63 units Lower 6 digits No 11 8778877 Number of terminal blocks 0 128 u...

Page 61: ...door unit of small capacity as the third unit in the sequence Method of Sequential Start 1 Power supply wiring Must be wired as a group to the power supply 2 Wiring Connect transmission wiring to terminals F1 and F2 outdoor outdoor on the outdoor unit PC board A1P Switch to the monitoring mode and see if sequential start has been selected If not switch to setting mode 1 and select sequential start...

Page 62: ...nits connected in a DIII NET you can simultaneously select cool heat mode for several outdoor units in the system and it enables demand control and low noise control Part names and functions Note 1 SS2 is not applicable to cooling only system 1 5 1 Cool heat mode unified selection For detailed example of wiring see the page describing cool heat mode control System outline Part3 fm Page 52 Tuesday ...

Page 63: ... Switch settings on adaptor printed circuit board SS1 BOTH is selected when demand control is carried out at the same time SS2 DS1 2 BOTH C H DE C H SL302 OFF ON OFF SL303 SS1 When demand control is used together set the switch to BOTH SS2 DS1 2 For individual control do not use the same address twice BOTH C H DE Cool SL305 OFF ON ON SL306 SI 95 BOOK Page 53 Friday March 31 2000 10 59 AM ...

Page 64: ...unning noise can be reduced by 2 3dB by controlling capacity of outdoor unit System general When each system is set to the same address the same demand control operation is conducted Common Address setting DS1 DS2 Decide the address for each control unit from 0 9 and set NOTES Setting is within 8 groups when using a cool heat central remote controller Set from No 0 No 7 Be sure to make the address...

Page 65: ...h Max 150 m Run separate from power line in order to prevent malfunction Installation positions Model series Installation box plate Installation position Outdoor unit Function unit EXIII Not necessary Inside main unit s electric box Indoor unit FXYF K KRP1A90 Regarding installation position see the page describing the remote group control adaptor FXYF KA KRP1B98 FXYC K L KRP1B96 FXYK K FXYS K FXYM...

Page 66: ...roller 2 Set cool heat individually for all BS unit systems using the cool heat select remote controller 3 Set cool heat individually for all BS unit systems using the cool heat central remote controller 1 6 1 Set cool heat individually for all BS unit systems using the indoor unit remote controller 1 6 2 Set cool heat individually for all BS unit systems using the cool heat select remote controll...

Page 67: ...Inverter K Series 57 1 6 3 Set cool heat individually for all BS unit systems using the cool heat central remote controller Install the External control adaptor for outdoor unit in BS unit SI 95 BOOK Page 57 Friday March 31 2000 10 59 AM ...

Page 68: ...Set low noise operation to ON Setting mode 2 Match low noise operation and demand control address with address of outdoor unit external control adaptor 2 Outdoor unit external control adaptor setting Function switch SS1 Set to BOTH or DE Address setting switches DS1 DS2 Match with outdoor unit low noise operation and demand control address 3 Short circuit the low noise input of outdoor unit extern...

Page 69: ...it field setting 2 Outdoor unit external control adaptor setting Function switch SS1 Set to BOTH or DE Address setting switches DS1 DS2 Match with outdoor unit low noise operation and demand control address 3 Select one from demand input terminals 1 through 3 on the outdoor unit external control adaptor and short the corresponding terminals 1 Demand 1 Short 1 C 2 Demand 2 Short 2 C 3 Demand 3 Shor...

Page 70: ...e running TEST H2P lights and goes off when finished If TEST H2P flickers wiring check operation failure push and hold the RESET button BS5 for 5 seconds and then repeat the procedure from the beginning 3 About 1 minute after you finish running the system once again check the number of connected indoor units in the monitor mode and make sure the number agrees with the first time you checked If not...

Page 71: ... has been selected push the time mode button and select the indoor unit No to be set Note This operation is not required when setting as a group 4 Push the button and select the first code No 5 Push the button and select the second code No 6 Push the timer button one time and define the currently set contents 7 Push the button to return to the normal mode 1 10 2 Wireless Remote Controller 1 When i...

Page 72: ...r Use No use 3 Display time to clean air filter calculation Set when filter sign is not to be displayed Display No display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Indoor unit turned ON by thermostat Operation output Malfunctionoutput 1 ON OFF input from outside Set when ON OFF is to be controlled from outside Forced OFF ON OFF control External...

Page 73: ... No display 4 Set the group No for each group with the button The group No increases in the manner of 1 00 1 01 1 15 2 00 4 15 However the unified ON OFF controller displays only the group No within the range selected by the switch for setting each address 5 Push the timer button to define the selected group No 6 Push the button to return to the normal mode Even if not using a remote controller co...

Page 74: ...peration then enters the field set mode 2 Set mode No 00 with button 3 Set the group No for each group with button advance backward 4 Enter the selected group numbers by pushing button 5 Push button and return to the normal mode Group No Setting Example If you have to set the address for each unit for calculating cost etc set the mode No to 30 SI 95 BOOK Page 64 Friday March 31 2000 10 59 AM ...

Page 75: ...on 1 Continue pushing OPERATION MODE SELECTOR bottun on remote controller which is not displaying changeover under control for about 4 seconds The display of CHANGEOVER UNDER CONTROL on all remote controllers connected to the same outdoor unit blinks 2 Push the OPERATION MODE SELECTOR of the remote controller you want to set as the master remote controller This completes the setting The remote con...

Page 76: ...OVER UNDER CONTROL 1 Set to Cool Heat Auto switch to the operation mode set by the master remote controller However they can switch to FAN operation and from COOL to DRY If you set a Master remote controller Remote controller not displaying CHANGEOVER UNDER CONTROL The other remote controllers Remote controllers displaying CHANGEOVER UNDER CONTROL 2 Set to FAN cannot set any mode other than FAN VL...

Page 77: ...ing Blinking Blinking C5 Indoor unit Malfunction of thermistor R3T for gas pipes loose connection disconnection short circuit failure Blinking Blinking Blinking C9 Indoor unit Malfunction of thermistor R1T for air inlet loose connection disconnection short circuit failure On On On CJ Indoor unit Malfunction of thermostat sensor in remote controller Blinking Blinking Blinking E0 Outdoor unit Actuat...

Page 78: ... to failure of electronic expansion valve Blinking Blinking Blinking U1 Negative phase open phase Blinking Blinking Blinking U2 Power supply insufficient or instantaneous failure Blinking Blinking Blinking U4 Malfunction of transmission between indoor unit and outdoor unit BS unit or outdoor unit and BS unit Blinking Blinking Blinking U5 Malfunction of transmission between remote controller and in...

Page 79: ...ception beeps twice and then locate the upper code 5 Push the operation mode selector button and the lower digit of the malfunction code blinks 6 Push the time mode button until signal reception beeps continuously and then locate the lower code Continuous signal reception beep indicates that the malfunction code has been ascertained Note 1 INSPECTION display blinks when the remote controller s but...

Page 80: ...ode Model FXYA FXYC FXYK FXYF FXYH FXYS FXYL FXYM Type VRV System Inverter K Series Other models VRV System Display A A 1 Outdoor model code Model RSXY Unit Malfunction code Inspection Normal display No display 0 L 0 Malfunction code blinks when a malfunction occurs Unit Malfunction code Inspection Inspection mode Push the button Inspection test operation Push the button Inspection test operation ...

Page 81: ...r unit No to be set with the time mode Selected the unit No with button for wireless remote controller 3 Make the settings required for each mode Modes 41 44 45 Before setting press button and make condition to change setting Code will flush on L C Display For details refer to the table next page 4 Define the setting contents Modes 44 45 Define by pushing the timer button After defining Code will ...

Page 82: ...selecting the unit No with the button you can turn the fan of each indoor unit on forced ON individually 4 4 4 44 4 4 4 Individual setting Set the fan speed and air flow direction by each unit Select the unit No with the time mode button Set the fan speed with the button Set the air flow direction with the button 4 4 4 45 5 5 5 Unit No transfer Transfer unit No Select the unit No with the button S...

Page 83: ...h 91 2 16 Outdoor Unit Actuation of Low Pressure Sensor 92 2 17 Outdoor Unit Malfunction of Moving Part of Electronic Expansion Valve Y1E 93 2 18 Outdoor Unit Abnormal Discharge Pipe Temperature 94 2 19 Outdoor Unit Malfunction of Thermistor for Outdoor Air R1T 95 2 20 Outdoor Unit Malfunction of Discharge Pipe Thermistor R3T 96 2 21 Outdoor Unit Malfunction of Thermistor R4T for Suction Pipe 97 2...

Page 84: ...or 121 4 8 Outdoor Unit Inverter Over Ripple Protection 122 5 Troubleshooting OP Central Remote Controller 123 5 1 Malfunction of Transmission between Central Remote Controller and Indoor Unit 123 5 2 PC Board Defect 124 5 3 Malfunction of Transmission between Optional Controllers for Centralized Control 125 5 4 Improper Combination of Optional Controllers for Centralized Control 126 5 5 Address D...

Page 85: ...arge pipe thermistor R3T 8 96 J5 Outdoor unit Malfunction of thermistor R4T for suction pipe 8 97 J6 Outdoor unit Malfunction of thermistor R2T for heat exchanger 8 98 JA Outdoor unit Malfunction of discharge pipe pressure sensor 8 99 JC Outdoor unit Malfunction of suction pipe pressure sensor 8 100 JH Outdoor unit Malfunction of oil temperature thermistor R5T 8 101 U0 Low pressure drop due to ref...

Page 86: ...g fin temperature rise sensor 8 122 Malfunction code Optional controllers for centralized control Malfunction contents Page UE Central remote controller Schedule timer Malfunction of transmission between central remote controller and indoor unit 123 128 M1 Central remote controller Schedule timer PC board defect 124 129 M8 Central remote controller Schedule timer Malfunction of transmission betwee...

Page 87: ... indoor unit PC board Troubleshooting VF029 Indoor unit PC board replacement Actuation of external protection device Change the second code No to 01 or 02 External protection device is connected to terminals T1 and T2 of the indoor unit terminal block ON OFF input from outside mode No 12 first code No 1 has been set to external protection device input second code No 03 by remote controller YES NO ...

Page 88: ...ing Inverter K Series 2 2 Indoor Unit PC Board Defect Remote Controller Display A A A A1 1 1 1 Supposed Causes Defect of indoor unit PC board Troubleshooting Replace the indoor unit PC board SI 95 BOOK Page 78 Friday March 31 2000 10 59 AM ...

Page 89: ...rt circuit connector or float switch and turn on again YES YES YES YES Defect of indoor unit PC board Loose connection of connector NO NO NO YES YES NO NO YES NO YES NO NO The float switch is connected to X18A of the indoor unit PC board NO The drain pump works when the power supply is reset for the indoor unit The drain pump is connected to X25A or terminals X8S and X9S of the indoor unit PC boar...

Page 90: ...tor and PC board Troubleshooting Connect the wiring and turn on again Fix the wiring and turn on again YES NO NO NO YES NO Replace the indoor unit PC board Replace the fan motor Is the wiring from the fan motor securely connected to X4A and X5A on the indoor unit PC board Wiring between the indoor unit PC board and fan motor is disconnected Does the fan motor run VF031 SI 95 BOOK Page 80 Friday Ma...

Page 91: ... Replace indoor unit PC board NO NO YES NO YES NO YES YES NO Indoor unit is a model equipped with a swing flap function The swing motor works when the power supply is turned off and then back on When the air flow direction flap s cam mechanism is disconnected from the swing motor operation is normal when turned on again The connecting cable has no continuity After turning the swing flap ON and the...

Page 92: ...VF033 After connecting turn the power supply off and then back on Replace the moving part of the electronic expansion valve YES YES NO NO Replace the connecting cable If you turn the power supply off and turn on again and it still does not help replace the indoor unit PC board NO YES The electronic expansion valve is connected to X7A of the indoor unit PC board Normal when coil check 1 of the movi...

Page 93: ...ssory leaking Defect of drain pipe upward slope etc Defect of indoor unit PC board Troubleshooting Defect of indoor unit PC board Modify the drain piping YES YES Check if the humidifier unit is leaking NO NO Field drain piping has a defect such as upward sloping A humidifier unit optional accessory is installed on the indoor unit VF034 SI 95 BOOK Page 83 Friday March 31 2000 10 59 AM ...

Page 94: ...acity setting adaptor Defect of indoor unit PC board Troubleshooting VF035 Install a capacity setting adaptor Replace the indoor unit PC board NO NO YES YES Replace the indoor unit PC board The indoor unit PC board was replaced with a replacement PC board The indoor unit is a model that requires installation of a capacity setting adaptor when replacing the PC board SI 95 BOOK Page 84 Friday March ...

Page 95: ...or liquid pipe Defect of indoor unit PC board Troubleshooting VF036 Replace the indoor unit PC board Connect the thermistor and turn on again NO NO Replace the thermistor R2T YES YES Connector is connected to X12A of the indoor unit PC board Resistance is normal when measured after disconnecting the thermistor R2T from the indoor unit PC board 3 5kΩ 360kΩ SI 95 BOOK Page 85 Friday March 31 2000 10...

Page 96: ...r R3T for gas pipe Defect of indoor unit PC board Troubleshooting VF037 Replace the indoor unit PC board Connect the thermistor and turn on again NO NO Replace the thermistor R3T YES YES Connector is connected to X11A of the indoor unit PC board Resistance is normal when measured after disconnecting the thermistor R3T from the indoor unit PC board 0 6kΩ 360kΩ SI 95 BOOK Page 86 Friday March 31 200...

Page 97: ... R1T for air inlet Defect of indoor unit PC board Troubleshooting Replace the indoor unit PC board Connect the thermistor and turn on again NO NO Replace the thermistor R1T YES YES Connector is connected to X13A of the indoor unit PC board Resistance is normal when measured after disconnecting the thermistor R1T from the indoor unit PC board 7 2kΩ 112kΩ VF038 SI 95 BOOK Page 87 Friday March 31 200...

Page 98: ...Controller Remote Controller Display C C C CJ J J J Supposed Causes Defect of remote controller thermistor Defect of remote controller PC board Troubleshooting VF039 The remote controller thermistor or remote controller PC board is defective Replace the remote controller SI 95 BOOK Page 88 Friday March 31 2000 10 59 AM ...

Page 99: ...efect of fan motor Defect of capacitor etc VF040 Connector or terminal is connected to X8A X9A of the outdoor unit PC board A1P and X1S X2S Contacts F2C X1S X2S are open Connect the connector or terminal and turn on again Actuation of magnet switch OC for standard compressor 1 Actuation of fan motor safety thermostat 2 YES NO NO YES Contact Q1M X8A or Q2M X9A is open NO YES Operation is normal whe...

Page 100: ...Inverter K Series 2 14 Outdoor Unit PC Board Defect Remote Controller Display E E E E1 1 1 1 Supposed Causes Defect of outdoor unit PC board A1P Troubleshooting Replace outdoor unit PC board A1P SI 95 BOOK Page 90 Friday March 31 2000 10 59 AM ...

Page 101: ...gh pressure switch HPS The outdoor unit PC board s connector is disconnected Is the outdoor unit heat exchanger dirty Defect of outdoor fan Is the refrigerant over charged Operation is normal when turned on again by remote controller Replace outdoor unit PC board A1P Actuation of high pressure switch 1 YES YES There was an instantaneous power failure or a past safety device actuated Re check refri...

Page 102: ...ng 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P140 VF042 Low pressure at stop due to malfunction is 0 0 kg cm2 Measure the voltage VL of X21A pin No 2 3 of outdoor PC board A1P 1 Is the relationship between low voltage and VL normal Out of gas refrigerant system clogging wiring and piping wrong connection Replace the low pressure sensor Replace...

Page 103: ... between the connector pins Normal Continuity Approx 300Ω 8 Continuity Approx 150Ω No continuity VF043 Electronic expansion valve is connected to X14A X15A of outdoor unit PC board A1P Normal when coil check 1 of the moving part of the electronic expansion valve is checked The connecting cable is short circuited or disconnected Replace the connecting cable Replace outdoor unit PC board A1P NO NO N...

Page 104: ... Resistance Temperature Characteristics on P138 VF044 Discharge pipe temperature is 135 C or higher Is there a wrong connection of the injection solenoid valves Y3S and Y4S Is there a wrong connection of the discharge pipe thermistor R3 1T inverter side X16A R3 2T standard side X17A Are the characteristics of the discharge pipe thermistor normal R3 1T R3 2T See 1 Replace outdoor unit PC board A1P ...

Page 105: ...f outdoor unit PC board A1P Troubleshooting The alarm indicator is displayed when the fan is being used also VF045 Resistance is normal when measured after disconnecting the thermistor R1T from the outdoor unit PC board 3 5kΩ 360kΩ Connector is connected to X20A of outdoor PC board A1P Replace outdoor unit PC board A1P Connect the thermistor and turn on again NO NO Replace the thermistor R1T YES Y...

Page 106: ...nit PC board A1P Troubleshooting The alarm indicator is displayed when the fan is being used also VF046 Resistance is normal when measured after disconnecting the thermistor R3 1T R3 2T from the indoor unit PC board 3 5kΩ 400kΩ Replace outdoor unit PC board A1P Connect the thermistor and turn on again NO NO Replace the thermistor R3 1T R3 2T YES YES Connector is connected to X16A X17A of outdoor u...

Page 107: ...t PC board A1P Troubleshooting The alarm indicator is displayed when the fan is being used also VF047 Resistance is normal when measured after disconnecting the thermistor R4 1T R4 2T from the indoor unit PC board 3 5kΩ 360kΩ Replace outdoor unit PC board A1P Connect the thermistor and turn on again NO NO Replace the thermistor R4 1T or R4 2T YES YES Connector is connected to X14A X15A of outdoor ...

Page 108: ... PC board A1P Troubleshooting The alarm indicator is displayed when the fan is being used also VF048 Resistance is normal when measured after disconnecting the thermistor R2 1T R2 2T from the indoor unit PC board 3 5kΩ 360kΩ Replace outdoor unit PC board A1P Connect the thermistor and turn on again NO NO Replace the thermistor R2 1T R2 2T YES YES Connector is connected to X18A X19A of outdoor unit...

Page 109: ...g 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P140 VF049 The relationship between the VH and high pressure is normal see 2 when voltage is measured between X22A pins 1 and 3 of outdoor unit PC board A1P see 1 Replace the high pressure sensor Connect the high pressure sensor and turn on again NO NO Replace outdoor unit PC board A1P YES YES The hi...

Page 110: ... Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P140 VF050 The relationship between the VH and low pressure is normal see 2 when voltage is measured between X21A pins 2 and 3 of outdoor unit PC board A1P see 1 Replace the low pressure sensor Connection of high pressure sensor with wrong connection NO NO Replace outdoor unit PC board A1P YES YES The l...

Page 111: ...mistor R5T Defect of outdoor unit PC board A1P Troubleshooting VF051 Is the connector is connected to X13A of the outdoor PC board A1P Resistance is normal when measured with thermistor R5T disconnected from the outdoor unit PC board 0 6 kΩ 360 kΩ Connect the thermistor and and turn on again Replace thermistor R5T Replace outdoor unit PC board A1P YES YES NO NO SI 95 BOOK Page 101 Friday March 31 ...

Page 112: ...ed with the suction pipe thermistor R4 1T R4 2T and coil thermistor R2 1T R2 2T disconnected from the outdoor unit PC board Out of gas or refrigerant system is clogged Requires check of refrigerant system Replace the thermistor Replace the outdoor unit PC board YES NO NO Out of gas or refrigerant system is clogged Requires check of refrigerant system Replace outdoor unit PC board YES YES NO Coolin...

Page 113: ...A1P Troubleshooting VF053 Operation is normal if one place of power supply line phase is replaced Fix the open phase Requires inspection of field power supply section Negative phase Disposal of the problem is completed by phase replacement Replace outdoor unit PC board A1P YES YES NO NO There is an open phase at the power supply terminal section L1 L2 L3 N of the outdoor unit SI 95 BOOK Page 103 F...

Page 114: ...5 seconds Fix the indoor outdoor unit transmission wiring YES NO NO YES Has the indoor or outdoor unit PC board been replaced or has the indoor outdoor or outdoor outdoor unit transmission wiring been modified All indoor unit remote controllers of the same refrigerant system display U4 NO Outdoor unit PC board microcomputer monitor HAP blinks NO NO Operation ready lamp H2P is blinking Is indoor ou...

Page 115: ...unit PC board Set one remote controller to SUB turn the power supply off once and then back on There is possibility of malfunction caused by noise Check the surrounding area and turn on again NO NO Using 2 remote controllers control All indoor PC board microcomputer monitors blink YES Multi core cable is used for the indoor unit remote controller transmission wiring Operation returns to normal whe...

Page 116: ... NO C H SELECT is set to IND Cool heat selection is unified C H SELECT is set to Unfied MAIN NO Is the indoor outdoor unit transmission wiring normal C H SELECT is set to Unfied SUB YES NO Check and see if the following items are normal NO Does a malfunction occur when the cool heat selector is set to IND YES Set C H SELECT to IND The cool heat unified address for outdoor units in outdoor outdoor ...

Page 117: ...rs Defect of remote controller PC board Troubleshooting VF057 SS1 of both remote controllers is set to SUB Set SS1 to MAIN the power supply off once and then back on Set one remote controller to MAIN the power supply off once and then back on Turn the power off and then back on If a malfunction occurs replace the remote controller PC board YES YES YES NO NO NO Using 2 remote controllers control SS...

Page 118: ... refrigerant system Refer to failure diagnosis for U5 malfunction code Re diagnose by display after passage of 2 minutes or more Refer to failure disgnosis for UA malfuntion code NO NO Refer to failure diagnosis for U4 malfunction code YES YES U9 has been displayed for 2 minutes or more Turn on all indoor units Refer to failure diagnosis for A1 malfunction code NO YES The A1 display blinks on the ...

Page 119: ...el of outdoor unit RSEY 8K Max 13 units RSEY10K Max 16 units VF059 The total of indoor units displaying UA and indoor units connected to the same refrigerant system is 24 units or less Replace outdoor unit PC board A1P Use only R22 or R407C units NO NO Normal NO There are too many indoor units within the same refrigerant system Push and hold the RESET button on the outdoor unit PC board for 5 seco...

Page 120: ...tion of central remote controller Defect of indoor unit PC board Troubleshooting VF060 Replace indoor unit PC board Address duplication of central remote controller The setting must be changed so that the central remote control address is not duplicated YES NO Optional controllers for centralized control are connected to the indoor unit SI 95 BOOK Page 110 Friday March 31 2000 10 59 AM ...

Page 121: ...unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour VF061 Is indoor outdoor and outdoor outdoor unit transmission wiring normal Replace indoor unit PC board Wiring check may not have been carried out successfully After fixing incorrect wiring push and hold the RESET button on the outdoor unit PC board fo...

Page 122: ...ds Normal NO Is electricity being introduce for the first time after installation or after an indoor or outdoor unit PC board has been replaced Is indoor outdoor and outdoor outdoor unit transmission wiring normal YES Normal NO Does a malfunction occur NO Does a UH malfunction occur for all indoor units in the system YES NO Does a malfunction occur even after 12 minutes elapses from the time when ...

Page 123: ...se Is the intake port of the radiator fin clogged L5 Instantaneous over current 8 Inspect the compressor L8 Electronic thermal 8 Inspection the compressor and refrigerant system L9 Stall prevention 8 Inspection the compressor and refrigerant system LC Malfunction of transmission between inverter PC board and outdoor unit PC board 8 Inspect the connection between the inverter PC board and outdoor u...

Page 124: ...ndby while retry is attempted the prescribed number of times If the number of retry times is exceeded within 60 minutes malfunction is ascertained and the corresponding malfunction code is displayed on the indoor unit remote controller 9 Blink 8 On 7 Off LED A 1 2 3 4 Malfunction contents Retry times 9 7 7 7 7 Normal 9 7 7 7 8 Malfunction of fin thermistor 3 9 8 8 7 7 Sensor malfunction 0 9 8 7 7 ...

Page 125: ...verter PC board Defect of fin thermistor Troubleshooting VF063 Characteristic check of the radiator fin thermistor Refer to thermistor characteristics table Defect of power unit radiation Air intake port is clogged Radiator fin is dirty Outdoor temperature is high NO Replace the thermistor YES Abnormal Is reset possible Reset and operate Normal Replace the inverter unit NO YES Temperature of the r...

Page 126: ...voltage is higher than artual voltage VF064 Inverter output voltage check Inverter output voltage is not balanced Normal if within 5 V TAL 8 V Y1 YAL Note Must be measured when frequency is stable Replace the compressor Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor NO Replace the inverter unit YES YES The compress...

Page 127: ...be measured when frequency is stable Compressor overload Inspection of the compressor and refrigerant system is required Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor NO Replace the inverter unit YES NO The secondary current of the inverter is higher than 15 A Y1 for each phase Replace the compressor NO YES Compre...

Page 128: ...mal if within 8 V Y1 Note Must be measured when frequency is stable Unsatisfactory pressure equalization Check refrigerant system Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor YES Replace the inverter unit NO NO The difference between high and low pressure when starting is less than 2 kg cm 0 196 MPa YES Disconnec...

Page 129: ...rd and inverter unit is disconnected YES Fix the disconnection and turn on again Connect transmission wiring and turn on again NO YES The microcomputer monitor green on the inverter unit is blinking Check the noise filter Z1F for disconnection and check the power supply wiring or the inverter unit The voltage between red and white of CN on the inverter unit is 220 240 V 50Hz 220 V 60Hz NO Defect o...

Page 130: ... the outdoor unit PC board YES Turn K1M ON YES NO Is 220 240 V of power reaching the K1M coil Is 220 240 V at the connector of X1A Replace the inverter unit Replace the inverter unit YES NO YES Does the voltage between terminals P and N gradually rise to 339 VDC Y1 after turning on U2 blinks again Monitor field power supply The voltage between the P and N terminals is 320 VDC Y1 or more when the c...

Page 131: ...e capable of constant recording of power supply voltage record power supply voltage between 3 phases L1 L2 L2 L3 L3 L1 for about one continuous week Open phase Normalize field cause Power supply voltage imbalance Explanation for users Fix power supply voltage imbalance YES YES NO Imbalance in supplied voltage is in excess of 20 V Y1 Open phase When voltage monitoring is possible 1 Measure voltage ...

Page 132: ...e Controller Display P P P P4 4 4 4 Supposed Causes Defect of radiator fin temperature sensor Defect of inverter unit Troubleshooting VF070 Replace the radiator fin thermistor Turn on again after letting 30 minutes or more pass after occurrence of malfunction P4 occurs again SI 95 BOOK Page 122 Friday March 31 2000 10 59 AM ...

Page 133: ...ion Is transmission wiring disconnected or wired incorrectly Is the transmission wiring with the master controller disconnected or wired incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board Rese...

Page 134: ...eshooting Inverter K Series 5 2 PC Board Defect Remote Controller Display M M M M1 1 1 1 Supposed Causes Defect of central remote controller PC board Troubleshooting Replace the central remote controller PC board SI 95 BOOK Page 124 Friday March 31 2000 10 59 AM ...

Page 135: ...is defective Try turning on off using each optional controllers for centralized control and replace the PC board of the one that is unable to control the indoor unit YES NO Fix the wiring correctly YES NO Has a once connected optional controller for centralized control been disconnected or its address changed Turn on power supply for all optional controllers for centralized control Reset power sup...

Page 136: ...aneously Disconnect the schedule timer s individual combined connector and reset the power supply for all optional controllers for centralized control simultaneously Arrange so that the connector for setting master control is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Disconnect the connector fo...

Page 137: ...C C C Supposed Causes Address duplication of central remote controller Troubleshooting Are two or more central remote controllers connected Disconnect all central remote controllers except one and reset the power supply of the central remote controller Reset power supply of the central remote controller NO YES VF074 SI 95 BOOK Page 127 Friday March 31 2000 10 59 AM ...

Page 138: ...ion Is transmission wiring disconnected or wired incorrectly Is the transmission wiring with the master controller disconnected or wired incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board Rese...

Page 139: ...bleshooting Inverter K Series 129 6 2 PC Board Defect Remote Controller Display M M M M1 1 1 1 Supposed Causes Defect of schedule timer PC board Troubleshooting Replace the schedule timer PC board SI 95 BOOK Page 129 Friday March 31 2000 10 59 AM ...

Page 140: ...fective Try turning on off using each optional controllers for centralized control and replace the PC board of the one that is unable to control the indoor unit YES NO Fix the wiring correctly YES NO Has a once connected optional controller for centralized control been disconnected or its address changed Turn on power supply for all optional controllers for centralized control Reset power supply s...

Page 141: ... the connector for setting master control when the malfunction is cleared is defective and must be replaced Reset the power supply for all optional controllers for centralized control simultaneously Reset the power supply for the schedule timer YES YES NO Is the schedule timer s individual combined connector connected Are there two or more optional controllers for centralized control connected wit...

Page 142: ...M M MC C C C Supposed Causes Address duplication of optional controller for centralized control Troubleshooting VF078 Are two or more schedule timers connected Reset the power supply for the schedule timer Disconnect all schedule timers except one and reset the schedule timer s power supply YES NO SI 95 BOOK Page 132 Friday March 31 2000 10 59 AM ...

Page 143: ...ntroller disconnected or wired incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the centralized control PC board Reset power supply for all optional controllers for centralized control simultaneously YES YES NO ...

Page 144: ...ed ON OFF controller s switch for setting each address and reset the power supply of the unified ON OFF controller Refer to failure diagnosis for central remote controller or schedule timer NO YES YES NO YES Fix the wiring correctly Set reset switch to normal Turn on power supply for all optional controller for centralized control NO NO YES NO YES Is the power supply turned on for all optional con...

Page 145: ...ge so that the connector for setting master control is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Disconnect the connector for setting master control from the master controller connect to another optional controller for centralized control and simultaneously reset all optional controllers for ce...

Page 146: ...eshooting VF082 Is the switch for setting each address set correctly Is the transmission wiring disconnected or wired incorrectly Replace the PC board of the unified ON OFF controller Fix the wiring correctly Set by remote controller the central control address for all indoor units connected to the central control line YES YES YES Set the switch for setting each address correctly and simultaneousl...

Page 147: ...rs and Diode Modules 141 2 1 Method of Replacing The Inverter s Power Transistors and Diode Modules 141 3 Precaution 142 3 1 PC Boards and Remote Controller s Mode No 142 4 Typical Wiring Mistakes 143 4 1 Typical Wiring Mistakes 143 5 Piping Diagram 150 5 1 Heat Recovery Series Outdoor Unit 150 5 2 BS Unit 151 6 Wiring Diagram 153 6 1 Heat Recovery Series Outdoor Unit 153 6 2 BS Unit 154 Part5TOC ...

Page 148: ... 78 97 46 8 37 8 21 3 76 93 74 94 47 8 05 7 90 2 73 01 71 14 48 7 75 7 60 1 69 32 67 56 49 7 46 7 31 0 65 84 64 17 50 7 18 7 04 1 62 54 60 96 51 6 91 6 78 2 59 43 57 94 52 6 65 6 53 3 56 49 55 08 53 6 41 6 53 4 53 71 52 38 54 6 65 6 53 5 51 09 49 83 55 6 41 6 53 6 48 61 47 42 56 6 18 6 06 7 46 26 45 14 57 5 95 5 84 8 44 05 42 98 58 5 74 5 43 9 41 95 40 94 59 5 14 5 05 10 39 96 39 01 60 4 96 4 87 1...

Page 149: ...05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61 29 12 125 6 51 6 42 26 191 53 187 44 76 28 64 28 16 126 6 33 6 25 27 183 46 179 57 77 27 69 27 24 127 6 16 6 08 28 175 77 172 06 78 26 79 26 35 128 6 00 5 92 29 168 44 164 90 79 25 91 25 49 129 5 84 5 76 30 161 45 158 08 80 25 07 24 66 130 5 6...

Page 150: ...Characteristics Si 95 140 Appendix 1 2 Pressure Sensor Voltage Output Detected Pressure Characteristics SI 95 BOOK Page 140 Friday March 31 2000 10 59 AM ...

Page 151: ...tors and Diode Modules Decision according to continuity check by analog tester Before checking disconnect the electric wiring connected to the power transistor and diode module 2 1 1 Power Transistor On Inverter PC Board Decision If other than given above the power unit is defective and must be replaced Note If using a digital tester and continuity may be reversed SI 95 BOOK Page 141 Friday March ...

Page 152: ...fore and after changing the PC board may differ Set after checking the indoor unit No 2 Central address Change setting with the remote controller 3 Capacity display A capacity setting adaptor must be installed for all models Fan phase control is for FXYF FXYH FXYA only Precautions when replacing outdoor unit PC board When replacing the outdoor unit PC board set the following settings again 1 Field...

Page 153: ...e of the indoor units is connected to outdoor to outdoor transmission terminals Installation test operation Indoor unit 1 Normal Indoor unit 2 UF malfunction Other than above Indoor unit 1 Normal Indoor unit 2 U4 malfunction or no malfunction display SI 95 BOOK Page 143 Friday March 31 2000 10 59 AM ...

Page 154: ...ts Connected to the Outdoor to Outdoor Unit Terminal Installation test operation Indoor unit 1 UF malfunction Indoor unit 2 Other than above Indoor unit 1 U4 malfunction or no malfunction display Indoor unit 2 SI 95 BOOK Page 144 Friday March 31 2000 10 59 AM ...

Page 155: ...takes Appendix 145 All Indoor Units Connected to Indoor to Outdoor and Outdoor to Outdoor Unit Terminals Installation test operation Indoor unit 1 U4 malfunction Indoor unit 2 SI 95 BOOK Page 145 Friday March 31 2000 10 59 AM ...

Page 156: ...nded Indoor Unit After 12 minutes elapse 10 min after turning power on Indoor unit 1 Normal Indoor unit 2 U4 malfunction Push and hold RESET button for 5 sec Indoor unit 1 Normal Indoor unit 2 Normal SI 95 BOOK Page 146 Friday March 31 2000 10 59 AM ...

Page 157: ...o outdoor transmission terminals Installation test operation Indoor unit 1 Normal Indoor unit 2 UF malfunction Indoor unit 3 Normal Indoor unit 4 Normal Other than above Indoor unit 1 Normal Indoor unit 2 U4 malfunction Indoor unit 3 Normal Indoor unit 4 Normal SI 95 BOOK Page 147 Friday March 31 2000 10 59 AM ...

Page 158: ...r terminal of outdoor unit 2 are connected The indoor to outdoor terminals of outdoor units 1 and 2 are connected Indoor unit 1 Normal Indoor unit 2 Normal Indoor unit 3 UH malfunction Indoor unit 4 Indoor unit 1 UH malfunction Indoor unit 2 Indoor unit 3 Indoor unit 4 SI 95 BOOK Page 148 Friday March 31 2000 10 59 AM ...

Page 159: ...2 indoor unit 2 When HFC indoor unit is connected to R22 system Reason Operation disallowed to prevent contamination of another system by HFC indoor unit operated previously with R22 system If HFC indoor unit that was operated with R22 system is removed and connected to another HFC system it can contaminate SUNISO oil etc the newly connected HFC system SI 95 BOOK Page 149 Friday March 31 2000 10 5...

Page 160: ...Piping Diagram Si 95 150 Appendix 5 Piping Diagram 5 1 Heat Recovery Series Outdoor Unit RSEY8 10KLY1 E 4D018336 Part5 fm Page 150 Tuesday April 11 2000 2 09 PM ...

Page 161: ...Si 95 Piping Diagram Appendix 151 5 2 BS Unit BSV100KLV1 BSV160KLV1 4D014497A 4D014498A Part5 fm Page 151 Wednesday April 12 2000 9 40 AM ...

Page 162: ...Piping Diagram Si 95 152 Appendix BSV250KLV1 4D014499 Part5 fm Page 152 Wednesday April 12 2000 9 40 AM ...

Page 163: ...Si 95 Wiring Diagram Appendix 153 6 Wiring Diagram 6 1 Heat Recovery Series Outdoor Unit RSEY8 10KLY1 E 3D015462A SI 95 BOOK Page 153 Friday March 31 2000 10 59 AM ...

Page 164: ...Wiring Diagram Si 95 154 Appendix 6 2 BS Unit BSV100 160 250KLV1 3D014829A SI 95 BOOK Page 154 Friday March 31 2000 10 59 AM ...

Page 165: ...tralized Control 76 Fan Motor M1F Lock Overload 80 Flow of Refrigerant in Each Operation Mode 10 Freeze Prevention 39 Frequency Limit Control by Pressure Equalization 24 Functions 6 G Gas Depletion Alarm 33 H H9 95 Heating Lay Up Start 18 How to use the Monitor Switch on the Inverter PC Board 114 I Indoor Field Setting 61 Inverter Compressor Motorized PI Control 15 Inverter Failure Diagnosis 76 In...

Page 166: ... Precaution 142 Precautions Concerning the Remote Controller s Mode No 142 Precautions When Replacing K Series PC Boards 142 Pressure Equalization Control 23 Pressure Sensor Voltage Output Detected Pressure Characteristics 140 Pump Down Residual Operation 26 Pump Down Start 18 R Refrigerant System not set Incompatible Wiring Piping 111 Remote Controller Self Diagnosis Function 67 Remote Controller...

Page 167: ... Blink 134 Operation Lamp Blinks 133 Typical Wiring Mistakes 143 U U0 102 U1 103 U2 120 U4 104 U5 105 U7 106 U8 107 U9 108 UA 109 UC 110 UE 123 128 UF 111 UH 112 W When Power is Turned On 42 Wiring Check Operation 60 Wiring Diagram 153 SI 95 BOOK Page iii Friday March 31 2000 10 59 AM ...

Page 168: ...Si 95 iv Index SI 95 BOOK Page iv Friday March 31 2000 10 59 AM ...

Page 169: ...us Cooling and Heating 12 Suction Oil Defrost 14 Freeze Prevention 39 G Gas Depletion Alarm When cooling 33 When heating 33 H How to Enter the Service Mode 71 I Improper Combination of Optional Controllers for Centralized Control 126 131 Indoor Field Setting Wired Remote Controller 61 Wireless Remote Controller 61 Inverter Instantaneous Over Current 116 Inverter Over Ripple Protection 122 Inverter...

Page 170: ...BSV100KLV1 151 BSV160KLV1 151 BSV250KLV1 152 RSEY8 10KLY1 E 150 Power Supply Insufficient or Instantaneous Failure 120 Power Transistor On Inverter PC Board 141 Pressure Sensor Voltage Output Detected Pressure Characteristics 140 Pump Down Residual Operation 26 R Refrigerant System not set Incompatible Wiring Piping 111 Remote Controller Self Diagnosis Function 67 Restart Safety Timer 17 S Set coo...