Daitsu FMCD*ECM series, Installation, Operation And Service Manual

Page 1: ...EU version 2 1 Revised Feb 17 2014 SK2014 SON 002 TechMnl FMCD 003 ECOELEGANT SERIES INSTALLATION OPERATION AND SERVICE MANUAL FMCD ECM SERIES ...

Page 2: ...ance we manage every stage in the manufacturing of our products Throughout the production process we maintain strict control starting with our extensive resources in research and development through to the design and manufacture of almost every individual component from molded plastics to the assembly of units and controllers WEEE MARK Quality Controlled from Start to Finish All products conform t...

Page 3: ...NS 20 C 1 SK NCFMCD 001 COMPLETE FUNCTION FCU CONTROLLER 20 C 1 1 Abbreviations 20 C 1 2 Definition of Input Output 20 C 1 3 Wiring Diagram SK NCFMCD 001 21 C 1 4 Configuration Settings 22 C 1 5 Control Logics for 2 Pipe System 24 C 1 6 Control Logics for 4 Pipe System 28 C 1 7 Sleep Mode 31 C 1 8 Auto Fan Speed 32 C 1 9 Louver 33 C 1 10 Buzzer 33 C 1 11 Auto Restart 33 C 1 12 Operation Of Control...

Page 4: ...D 003 D 1 REMOTE CONTROL HANDSET 52 D 2 WIRED WALL PAD 53 D 2 1 Wall Pad Display 53 D 2 2 Wall Pad Operation Guidelines 54 D 2 3 EC Unit RPM Setting 57 E SENSOR RESISTANCE R T CONVERSION TABLE 58 F MODULE LAYOUT 60 G TROUBLESHOOTING GUIDE 61 ...

Page 5: ... S Complete function onboard PCB with integrated group control functionality W Limited function onboard PCB with drain pump louver and zone control functionality V 2 Pipe System 04 Unit Sizes See General Specification Section A for cooling and heating capacities 06 12 15 18 20 24 FMCD Hydronic High Wall C Series ...

Page 6: ...wall models Tabs located on the front of the unit can be unsnapped allowing the filter to be easily slid downward and removed No tools are required nor any dismantling of the equipment Air Grille Distribution all High wall units are equipped with both deflector blades and independent directional vanes enabling supply air to be automatically distributed and air flow and direction to be customized M...

Page 7: ...2 48 Max Electric Heater Capacity 1 FCCOPe Rating 176 216 248 230 Class B B B B Sound Sound PressureLevel Outlet dB A 27 24 23 37 30 26 37 30 26 43 34 29 Sound Power Level Outlet e 38 35 33 48 40 35 48 40 35 53 43 38 Electrical Fan Motor Powere H W 10 13 13 20 M 8 10 10 13 L 6 8 8 10 Fan Motor Apparent Power H 2 32 32 50 Fan Motor Running Current H A 0 08 0 142 0 142 0 182 Hydraulic Cooling Water ...

Page 8: ...nd Sound PressureLevel Outlet dB A 46 40 34 40 35 30 45 35 30 Sound Power Level Outlet e 57 52 45 52 46 41 56 46 41 Electrical Fan Motor Powere H W 30 41 60 M 20 24 24 L 13 18 18 Fan Motor Apparent Power H 83 80 120 Fan Motor Running Current H A 0 272 0 348 0 52 Hydraulic Cooling Water Flow Rate H L h 641 91 825 55 923 38 M 562 96 669 37 669 37 L 459 98 574 97 574 97 Cooling Pressure Drope H kPa 4...

Page 9: ...Model Fin Height mm Fin Length mm Fins per Inch No of Rows No of Copper No of Circuits Tube Diameter mm FMCD 04 230 680 19 5 2 8 2 7 FMCD 06 230 680 2 14 3 7 FMCD 12 230 680 2 22 4 7 FMCD 15 230 680 2 22 4 7 FMCD 18 357 680 2 34 5 7 FMCD 20 378 845 2 36 6 7 FMCD 24 378 845 2 36 6 7 ...

Page 10: ...Page 10 of 62 A 4 Dimensional Drawings Dimensional drawing for FMCD 04 06 12 15 18 ECM All dimensionsshown in mm ...

Page 11: ...Page 11 of 62 Dimensional drawing for FMCD 20 24 ECM All dimensionsshown in mm ...

Page 12: ...f 62 SK2014 SON 002 TechMnl FMCD 003 A 5 Valve Information A 5 1 2 Way Valve Body A 5 2 3 Way Valve Body Valve Dimensions mm DN A B C D D15 G1 2 52 47 19 5 63 Valve Dimensions mm DN A B C D D15 G1 2 52 70 40 86 ...

Page 13: ...nsure the clearance around the fan coil unit conforms to the following drawing 5 From the floor the height of the unit should be above eye level 6 Avoid installing the unit in direct sunlight Required clearance for maintenance and servicing is as shown above All dimensions shown in mm 7 The signal receiver on the unit must be kept away from any high frequency emission source 8 Keep the unit away f...

Page 14: ...Page 14 of 62 SK2014 SON 002 TechMnl FMCD 003 B 1 2 Mounting Plate Dimensions FMCD 04 06 12 15 18 ECM FMCD 20 24 30 ECM All dimensions shown in mm ...

Page 15: ... the above figure or by means of gradiometer Failure to follow this may cause water to drip indoors and create additional noise 4 Fix the mounting plate by means of expansion screws or tapping screws B 1 4 Drilling the Condensate Drainage Hole 1 Ensure that the hole for condensate drainage is correctly positioned The height should be lower than the bottom edge of the indoor unit 2 Drill a 65mm dia...

Page 16: ...on the hooks of the mounting plate B 1 6 Drainage Piping Works 1 Install the drain hose so that it slopes downward slightly for free drainage Avoid installing it as shown in the below illustrations marked with an X 2 Put water in the drain pan and make sure that the water drains outdoors 3 If the flexible drain hose provided with the indoor unit is not long enough please extend it by joining it to...

Page 17: ... horizontal louver to the horizontal position 2 Remove the screw caps below the louver and then remove the mounting screws 3 Open the lift up grille cover by grasping the panel at both sides as shown above 4 Remove the remaining screws located in the center of the unit of the front cover 5 Grasp the lower part of the front cover and pull the entire assembly out and up towards you Close the grille ...

Page 18: ...leakage If no leak is found open the water purge air vent valve with an open end wrench and support the unit by hand Then purge the air trapped inside the coil When performing this activity take care not to touch the electrical parts 4 Close the water purge air vent valve when no bubbles appear 5 Open the water outlet valve B 2 4 Wiring Connections Unit components are wired to the terminal block o...

Page 19: ...Page 19 of 62 SK2014 SON 002 TechMnl FMCD 003 B 3 Pipe Connections with Valve Pre assembly Complete Assembly Flexible copper Valve body with actuator gasket Coil connector ...

Page 20: ...ts For remote activation of economy mode when DIPB SW1 0 Electrical heater safety switch EH Voltage free NC The contact is closed before the EH is turned on Power input Phase L1 Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Neutral N1 Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Earth PE1 Power supply to the P...

Page 21: ...Page 21 of 62 SK2014 SON 002 TechMnl FMCD 003 C 1 3 Wiring Diagram SK NCFMCD 001 ...

Page 22: ...tion 2 pipe system only SW4 Pre heat protection temperature selection SW5 SW6 brushless DC fan motor configuration 1 Default DIP Switch Settings DIPA S1 DIPB S2 2 Thermoelectric Valve Configuration On board DIP switch SW3 of DIPB is used for this configuration 3 Unit Configuration On board DIP Switches of DIPB are used for the below configurations SW1 PR O contact setting 0 Economy contact 1 Windo...

Page 23: ...y the programmable timer on the handset or wired wall pad c By the manual control button on the air conditioner 7 Auto Restart The system uses a non volatile memory to save the present operation parameters when system is turned off or in case of system failure or cessation of power supply The restored parameter data set depends on the type of user interface a Handset only user interface When the p...

Page 24: ...2 are turned off b Indoor fan speed can be adjusted to low medium and high HEAT MODE Without Electrical Heater a MTV2 AUX2 and electric heater are always off b If Tr Ts 1 ºC or 4ºC if economy contact is activated then heat operation is activated and MTV1 and AUX1 are turned on Indoor fan runs at the set speed c If Tr Ts then heat operation is terminated and MTV1 and AUX1 are turned off Indoor fan ...

Page 25: ... Ti1 38ºC or 30ºC is selected by DIPB S2 position SW4 then MTV1 and AUX1 are turned on indoor fan runs at set speed c If the indoor coil temperature sensor is damaged then the pre heat time is set for 2 minutes Indoor fan runs at set speed With Electrical Heater a If the indoor fan speed 300rpm then the electrical heater will turn on POST HEAT Without Electrical Heater a If Ti1 38ºC then MTV1 and ...

Page 26: ...nction With Electric Heater as Primary Heat Source a If the current running mode is AUTO COOL mode it will change over to AUTO HEAT mode upon satisfying all the conditions below 1 Ts Tr 1 C or 4ºC if economy contact is activated 2 MTV1 has stopped 10 minutes b If the current running mode is AUTO HEAT mode it will change over to AUTO COOL mode upon satisfying all the conditions below 1 Tr Ts 1 C or...

Page 27: ...is activated and AUX1 is turned on Indoor fan runs at the set speed c If Tr Ts then heat operation is terminated and AUX1 is turned off Indoor fan runs at 200 rpm d If Ti1 40ºC then the electrical heater is turned on If 40ºC Ti1 45ºC then the electrical heater maintains its original state If Ti1 45ºC then the electrical heater is turned off e The range of Ts is 16 30ºC f Indoor fan speed can be ad...

Page 28: ...4 minutes c If 16ºC Tr 25ºC then the indoor fan and AUX2 will be turned on for 3 minutes and then off for 6 minutes d If Tr 16ºC then the indoor fan and AUX2 will be turned off for 4 minutes e At the end of the above dehumidification cycle the system will decide the next dehumidification control option Indoor fan will run at low speed throughout the dehumidification process AUTO MODE a Not allowed...

Page 29: ...ned off e The range of Ts is 16 30ºC f Indoor fan speed can be adjusted to low medium high and auto g When turned on MTV2 requires 30 seconds before it is fully open h When turned off MTV2 requires120 seconds before it is fully closed PRE HEAT Without Electrical Heater a If Ti1 36ºC or 28ºC depending on DIP setting then MTV2 and AUX1 are turned on Indoor fan runs at 200RPM b If Ti1 38ºC or 30ºC de...

Page 30: ... MODE a MTV2 AUX1 and heater are always off b If Tr 25ºC then MTV1 and AUX2 will be turned on for 3 minutes and then off for 4 minutes c If 16ºC Tr 25ºC then MTV1 and AUX2 will be turned on for 3 minutes and then off for 6 minutes d If Tr 16ºC then MTV1 and AUX2 will be turned off for 4 minutes e At the end of the above dehumidification cycle the system will decide the next dehumidification contro...

Page 31: ...ill increase by 2ºC over 2 hours c In HEAT mode after SLEEP mode is set the indoor fan will run at set speed and Ts will decrease by 2ºC over 2 hours d Changing of operation mode will cancel SLEEP mode The COOL mode SLEEP profile is Set temperature Ts 2 0 Ts 1 0 Ts 0 5 Ts Sleep on 0 5 1 0 2 0 Sleep off Hour The HEAT mode SLEEP profile is Set temperature Ts Ts 0 5 Ts 1 0 Ts 2 0 Sleep on 0 5 1 0 2 0...

Page 32: ...hange until it has run for more than 30 seconds Fan speed is regulated according to the profile below b In HEAT mode the fan speed cannot change until it has run for more than 30 seconds Tr Ts Ts 1C Ts 2C Ts 3C Low Low Medium High Low Medium High High Tr Medium Low Low Ts 3C Ts 2C Ts 1C Ts High Medium Low ...

Page 33: ...angle 35 100º opens clockwise to 68º User may stop louver at any desired position between 35 100º C 1 10 Buzzer If a command is received by the air conditioner the master unit will respond with 2 beeps for each setting while the slave unit will respond with 1 beep C 1 11 Auto Restart The system uses non volatile memory to save the present operation parameters when system is turned off or in case o...

Page 34: ... globally broadcast Note When button pressing is effective the master unit buzzer will beep twice and the slave unit will beep once C 1 12 2 Electric Heater Safety Switch a Before the electrical heater is turned on the EH safety switch must be closed If this contact is opened continuously 1 second the heater will be turned off immediately and report an error Once the contact is returned to the clo...

Page 35: ...Page 35 of 62 SK2014 SON 002 TechMnl FMCD 003 C 2 LED Lights For all units Power Operation LED light both green Unit on Operation LED On Power LED Off Unit in standby Power LED On Operation LED Off ...

Page 36: ...re Green LED blinks 3 times stops for 3s Room sensor unplugged or damaged 1 Check if Tr plug is connected or not 2 Check if sensor s resistance is correct or not Indoor coil sensor 1 failure Green LED blinks 4 times stops for 3s Ti1 sensor unplugged or damaged 1 Check if Ti1 plug is connected or not 2 Check if sensor s resistance is correct or not Indoor coil low temperature protection Green LED b...

Page 37: ...ED blinks 15 times stops for 3s Check unit 15 communication plug and fix it Unit 16 failure RED LED blinks 16 times stops for 3s Check unit 16 communication plug and fix it Unit 17 failure RED LED blinks 17 times stops for 3s Check unit 17 communication plug and fix it Unit 18 failure RED LED blinks 18 times stops for 3s Check unit 18 communication plug and fix it Unit 19 failure RED LED blinks 19...

Page 38: ...handset operation c The master unit settings are unit ON OFF Mode Fan Speed Timer Clock Set Temperature Swing Function and Sleep Function for wall pad operation SLAVE UNIT FUNCTION a The slave unit receives data regarding its settings from the master unit b The slave unit is allowed to change to a locally desired setting by local controller as long as there are no subsequent changes to the setting...

Page 39: ... box 2 Communication plug A B A B is printed on the main PCB When you connect the wires please ensure connection of A to A and B to B 3 Connection wire 3 1 If the total length of wire is more than 1000m please use shielded wire in order to protect the signal transmission 3 2 Complete wire connection First unit Middle unit Last unit ...

Page 40: ...rs correspond 3 3 2 Check the wire contact by using a multimeter 3 3 3 Check 1 and 2 3 and 4 5 and 6 to be sure the connections are correct 3 3 4 If the resistance between two wire contacts is too high please check and reconnect the wire contacts 1st contact 2nd contact 3rd contact 4th contact 5th contact 6th contact First unit Middle unit Last unit ...

Page 41: ...will beep once Using Wall pad to Set Master Control Unit a Connect all the units PCBs according to the wire color and type of connector b Select the master unit by setting DIPA S1 SW6 to ON 1 in the PCB c Ensure the DIPA S1 SW6 is set to OFF 0 in the PCB on each slave unit d Provide each slave unit with an addressable code by configuring SW1 SW5 of DIPA S1 according to the DIP switch setting table...

Page 42: ...1 SW6 DIPA S1 SW5 DIPA S1 SW4 DIPA S1 SW3 DIPA S1 SW2 DIPA S1 SW1 Unit No Remark 1 0 0 0 0 0 01 Master 0 0 0 0 0 1 02 Slave 0 0 0 0 1 0 03 Slave 0 0 0 0 1 1 04 Slave 0 0 0 1 0 0 05 Slave 0 0 0 1 0 1 06 Slave 0 0 0 1 1 0 07 Slave 0 0 0 1 1 1 08 Slave 0 0 1 0 0 0 09 Slave 0 0 1 0 0 1 10 Slave 0 0 1 0 1 0 11 Slave 0 0 1 0 1 1 12 Slave 0 0 1 1 0 0 13 Slave 0 0 1 1 0 1 14 Slave 0 0 1 1 1 0 15 Slave 0 0...

Page 43: ...Page 43 of 62 SK2014 SON 002 TechMnl FMCD 003 C 3 4 Unit Network Wiring Scheme Wiring diagram for a master slave network connection ...

Page 44: ...elected the unit is not receiving power R 2 Med R 3 Hi Power input Phase L Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Neutral N Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Earth GND Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Digital input Wired wall pad TTL Ch...

Page 45: ...Page 45 of 62 SK2014 SON 002 TechMnl FMCD 003 C 4 2 Wiring Diagram SK NCFMCD 002 ...

Page 46: ...700 600 FMCD 15 0 1 1 1150 800 700 FMCD 18 1 0 0 1300 1100 900 FMCD 20 1 0 1 1100 900 800 FMCD 24 1 1 0 1350 1200 900 Default RPM 1 1 1 Set by customer requirement C 4 4 Control Logic Specification 1 Power On Setting When any fan speed is selected the unit is turned on When all of the relays are off the unit is turned off 2 Swing Louver When the unit is turned on the louver will open to the larges...

Page 47: ...Description For all units Operation LED light Green Item Blink Reason Remedy Indoor coil sensor 1 failure Green LED blinks 4 times stops for 3s Ti1 sensor connection is unplugged or damaged 1 Check if Ti1 plug is connected or not 2 Check if sensor s resistance is correct or not EC motor failure Green LED blinks 9 times stops for 3s No EC motor feedback 1 Check if EC motor s wires are connected 2 C...

Page 48: ...1 01H Read Coils 02 02H Read Discrete Inputs 03 03H Read Holding Registers 04 04H Read Input Registers 05 05H Write Single Coil 06 06H Write Single Register 15 0FH Write Multiple Coils 16 10H Write Multiple Registers 255 FFH Extended Commands which are used to test unit Valid Error code table Error code Description Definition 01 01H Invalid commands Received commands beyond valid commands 02 02H I...

Page 49: ...100011 Reserved 100012 Reserved 100013 Reserved 100014 Reserved 100015 R read only W write only R W read and write Discrete table Description Address Type Remark MTV1 200000 R MTV2 200001 R AUX1 200002 R AUX2 200003 R Condensate pump 200004 R Electrical heater 200005 R Wired wall pad 200006 R PRO 200007 R Float switch 200008 R Reserved 200009 R EH protection switch 200010 R Internal actually runni...

Page 50: ...07 W Calibration wired wall pad and set timer function Minute 300008 W Calibration wired wall pad and set timer function Second 300009 W Calibration wired wall pad and set timer function Hours in Timer on 300010 R W Timer ON Minute in Timer on 300011 R W Timer ON Hours in Timer off 300012 R W Timer OFF Minute in Timer off 300013 R W Timer OFF Icon of Timer ON or OFF 300014 R W BIT0 Icon of Timer O...

Page 51: ...Bit6 Reserved Bit7 Electrical heater failure Bit8 Motor1 Error Bit9 Motor2 Error Bit10 System parameters error Bit11 Reserved Bit12 Reserved Bit13 Reserved Bit14 Reserved Bit15 Reserved Fan speed status 400006 R Low 04 H Medium 02 H High 01 H Mode status 400007 R Cooling mode 01 H Dehumidify mode 02 H Fan mode 04 H Heating 08 H Setting temperature status 400008 R Testing only Room temperature in w...

Page 52: ...face D 1 Remote Control Handset Attention When unit with handset is the master unit settings are automatically sent to the slave units Auto Cool Heat operation will be applicable in 4 pipe system only Swing function is not applicable Swing It is not available ...

Page 53: ... will recognize the main board model automatically whether it is 2 pipe or 4 pipe system Auto Cool Heat operation is applicable in 4 pipe system only When the wall pad is installed the wall pad temperature sensor automatically overrides the default return air sensor attached to the unit s return air grille ...

Page 54: ...ill show Press DAY button to change the day the ON timer is to be programmed for Press TIMER button again and O FF symbol blinking indicates OFF timer programming mode The setting method is the same as the ON timer setting above Press TIMER button again to exit the ON OFF timer setting function Should there be any ON or OFF timer settings programmed will light up Should there be any unexecuted ON ...

Page 55: ... synchronization by master unit is as follows Press TIME and TIME buttons for 3 seconds to activate clock synchronization to all slave units Master wall pad will respond with a beeping sound f Key lock In order to prevent unauthorized access to the system setting a key lock function is provided Hold down and for 3 seconds to activate key lock symbol will lights up Repeat the same to exit key lock ...

Page 56: ...sing Hold down CANCEL and FAN buttons for 3 seconds to enter into operation parameters browsing mode Unit s display area shows the address of the slave unit being viewed Slave unit selection method is the same as in networking control above Press or to browse various parameters as follow Wall pad display temperature area Wall pad display time area C0 Return air temperature displayed C1 Indoor coil...

Page 57: ...ed wall pad LCD will display the following 5 After selecting the RPM setting turn the DIP switch 1 to the OFF position The wired wall pad display will resume its normal appearance This is the motor RPM setting Press TEMP button to increase the RPM setting by 10RPM step This is the speed level setting d0 means low speed d1 means medium speed d2 means high speed Press PARAMETER button to select spee...

Page 58: ... 16 16 18 84 5 88 11 91 85 16 14 69 15 05 15 41 17 79 8 83 17 86 64 17 14 03 14 37 14 7 16 75 39 78 53 81 76 18 13 41 13 72 14 03 15 71 26 74 18 77 19 19 12 81 13 1 13 4 14 67 37 70 1 72 9 20 12 24 12 52 12 79 13 63 73 66 26 68 88 21 11 7 11 96 12 22 12 60 3 62 67 65 1 22 11 19 11 43 11 67 11 57 08 59 28 61 55 23 10 71 10 93 11 15 10 54 05 56 1 58 22 24 10 24 10 45 10 66 9 51 19 53 12 55 08 25 9 8...

Page 59: ...2 3 225 3 326 3 43 89 0 8998 0 9401 0 9818 53 3 105 3 204 3 305 90 0 8721 0 9115 0 9522 54 2 99 3 086 3 185 91 0 8455 0 8839 0 9237 55 2 88 2 974 3 07 92 0 8198 0 8573 0 8961 56 2 774 2 866 2 959 93 0 795 0 8316 0 8696 57 2 673 2 762 2 854 94 0 7711 0 8069 0 8439 58 2 576 2 663 2 752 95 0 748 0 783 0 8192 59 2 483 2 568 2 655 96 0 7258 0 7599 0 7953 60 2 394 2 477 2 562 97 0 7043 0 7376 0 7722 61 ...

Page 60: ...Page 60 of 62 SK2014 SON 002 TechMnl FMCD 003 F Module Layout SK DFPS HWC 006 220V 230V Electrical heater kit for FMCD Electrical heater ...

Page 61: ... presence of voltage Place in the ON position Check the room control Check fan motor Filter clogged Air flow obstructed Room control regulation Incorrect water temperature Air present Insufficient output Clean the filter Remove obstacles Check the room air sensor Check the water source Check the air vent Contact between metal parts Loose screws Noise and vibrations Check for loosening parts Tighte...

Page 62: ...Page 62 of 62 SK2014 SON 002 TechMnl FMCD 003 ...