Panasonic U-8ME2R8, Installation Instructions Manual

Page 1: ...36MM1E5A S 45MM1E5A S 56MM1E5A P1 Floor Standing S 22MP1E5 S 28MP1E5 S 36MP1E5 S 45MP1E5 S 56MP1E5 R1 Concealed Floor Standing S 22MR1E5 S 28MR1E5 S 36MR1E5 S 45MR1E5 S 56MR1E5 Z1 Slim Type Ducted S 2...

Page 2: ...ons are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructi...

Page 3: ...or re installation and while repairing refrigeration parts Handle liquid refrigerant carefully as it may cause frostbite When Transporting Be careful when picking up and moving the indoor and outdoor...

Page 4: ...ir by yourself Contact the sales dealer or service dealer for a repair and disposal CAUTION CAUTION Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured Ventil...

Page 5: ...er since it contains more than air it poses the risk of suffocation if its density should rise excessively Suffocation from leakage of refrigerant is almost non existent With the recent increase in th...

Page 6: ...s becomes more important than ever 2 Be sure to recharge the refrigerant only in liquid form 2 1 Since R410A is a non azeotrope recharging the refrigerant in gas form can lower performance and cause d...

Page 7: ...articles adhering to the outer panel can be washed away by the rain For example avoid installing a shade over the unit 3 Because water retention in the bottom plate of the outdoor unit will significan...

Page 8: ...Heavy Snow Areas 2 4 Precautions When Installing in Heavy Snow Areas 2 5 Dimensions of Wind Ducting 2 6 Dimensions of Snow Ducting 3 HOW TO INSTALL THE OUTDOOR UNIT 22 3 1 Transporting 3 2 Installing...

Page 9: ...oxidized annealed copper tube for refrigerant tubing 2 Foamed polyethylene insulation for copper tubes as required to precise length of tubing See the section 5 3 Insulating the Refrigerant Tubing for...

Page 10: ...tion main tubing LO LP portion is determined by the total capacity of the outdoor units that are connected to the tube ends 2 If the longest tubing length L1 exceeds 90 m equivalent length increase th...

Page 11: ...eter based on the total horsepower after extension However extension is not possible if the resulting tubing size is two ranks higher The balance tube outdoor unit tube diameter is 6 35 The refrigeran...

Page 12: ...vice Equivalent length conversion not needed Table 8 Refrigerant Tubing Tubing size mm Material Temper O Material Temper 1 2 H H 6 35 t0 8 22 22 t1 0 9 52 t0 8 25 4 t1 0 12 7 t0 8 28 58 t1 0 15 88 t1...

Page 13: ...door Unit U 8ME2R8 E U 10ME2R8 E U 12ME2R8 E U 14ME2R8 E U 16ME2R8 E U 18ME2R8 E U 20ME2R8 E 11 1 kg 11 1 kg 11 3 kg 11 3 kg 11 3 kg 11 0 kg 11 0 kg 1 9 System Limitations Table 12 System Limitations...

Page 14: ...0 Straight tubing length over 200mm Branch tubing angle Horizontal Straight tubing length over 200mm or 0 30 Branch tubing angle Horizontal Vertical Upward Vertical Vertical Vertical Vertical Downward...

Page 15: ...0 kW or less Example A C C B D E D E E G E H G H G H B B C D E F F F 175 135 110 97 114 72 Table 14 Size of connection point on each part Shown are inside diameters of tubing Size Part A Part B Part...

Page 16: ...135 110 97 H I J C D E F G H 114 72 G F F H G G B A C D B B A C D If the tube diameter is more than 38 1 use field supply reducer If the tube diameter is more than 19 05 use field supply reducer Tabl...

Page 17: ...fully closed Charge with R410A refrigerant in liquid form With R410A refrigerant charge while adjusting the amount being fed a little at a time in order to prevent liquid refrigerant from backing up A...

Page 18: ...per 1 meter are different for each liquid tubing size 22 22 LA 40 m 0 366 kg m 14 640 19 05 LB LO 7 m 0 259 kg m 1 813 15 88 LC LD 20 m 0 185 kg m 3 7 12 7 LE A B 14 m 0 128 kg m 1 792 9 52 C LF 1 7 7...

Page 19: ...d as follows Required minimum room volume overall refrigerant charge amount limit density 67 621 kg 0 44 kg m3 153 68 m3 Required minimum floor area minimum room volume ceiling height 153 68 m3 2 7 m...

Page 20: ...tallation of 2 units when 3 sides are open and only 1 side is shuttered More than 300 mm More than 50 mm More than 500 mm More than 50 mm More than 60 mm Make a walk in space behind the unit to erase...

Page 21: ...outdoor unit may stop running causing the unit to be damaged There may be no air flow The tubing may freeze and burst The condenser pressure may drop because of strong wind and the indoor unit may fre...

Page 22: ...e protective material such as cloth or cardboard to prevent the edges of the top panel from being scratched B B A C 3 HOW TO INSTALL THE OUTDOOR UNIT 3 1 Transporting When transporting the unit have i...

Page 23: ...lation anchor hole 8 15 21 elongated holes 8 15 21 elongated holes 2 When only using a single outdoor unit see the figure below 740 770 15 1000 C 730 B 730 A 964 18 1150 1180 15 1000 C 730 B 730 A 964...

Page 24: ...Plate leg left Plate leg right Plate leg left Plate leg right Plate leg left Plate leg right Plate leg left Plate leg right Plate leg left Plate leg right Plate leg left Plate leg right Installation...

Page 25: ...art indicated by from the tubing cover Be careful not to damage the tubing cover Model 8 hp 10 hp Model 12 hp 14 hp 16 hp Model 18 hp 20 hp Model 8 hp 10 hp Model 12 hp 14 hp 16 hp Model 18 hp 20 hp F...

Page 26: ...7 t0 8 28 58 t1 0 15 88 t1 0 31 75 t1 1 19 05 t1 2 38 1 over t1 35 41 28 over t1 45 44 45 over t1 55 50 8 over t1 8 3 5 Connect the Tubing When operating the refrigerant tube installation in the field...

Page 27: ...vice port cap width 17mm Service port cap width 17mm Service port cap width 17mm Service port cap width 17mm Service port cap width 17mm Service port cap width 17mm Valve cap width 30mm Valve cap widt...

Page 28: ...the liquid tube valve flare nut 1 Do not apply a wrench to the valve cap when removing or installing the flare nuts Doing so may damage the valve 2 If the valve cap is left off for a long period of ti...

Page 29: ...50 m 15 A M1 Max 130 m 10 16 A Y2 Max 130 m 15 A P1 Max 130 m 10 16 A K1 Max 150 m 10 16 A R1 Max 130 m 10 16 A U1 Max 130 m 10 16 A E1 73 Max 60 m 10 16 A F2 Max 130 m 10 16 A E1 106 Max 60 m 10 16 A...

Page 30: ...20 hp Power supply 8 hp 10 hp and 12 hp Type ME2 Inter outdoor unit control wiring Inter unit control wiring U2 U1 R2 R1 L N R2 R1 R2 R1 R2 R1 2 1 2 1 U2 U1 L N U2 U1 L N U2 U1 L N 2 1 2 1 2 1 D E C B...

Page 31: ...trol wiring the number of branch points should be 16 or fewer Outdoor unit Central Controller Outdoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor un...

Page 32: ...RN F which conform to CENELEC HAR rating specifications or use the cables based on IEC standard 60245 IEC57 60245 IEC66 WARNING Loose wiring may cause the terminal to overheat or result in unit malfun...

Page 33: ...and inter outdoor unit control wiring Functional earthing Wiring sample Torque values of power supply terminal board 8 10 12 HP 2 2N m 0 05N m 22 kgf cm 0 5 kgf cm 14 16 HP 2 7N m 0 1N m 27 kgf cm 1...

Page 34: ...rced Stop connection for the next system To the next system outdoor unit Forced Stop input Connect to fire alarm etc Demand controller connection Local supply Functional earthing Functional earthing F...

Page 35: ...ith Functional earthing at the bottom of the terminal block Secure the wire with the cord clamp located on the lower part of the terminal block When connecting the demand controller input It is possib...

Page 36: ...hielded cable is connected with Functional earthing at the bottom of the terminal block Secure the wire with the cord clamp located on the lower part of the terminal block 2 Connecting the shielded ca...

Page 37: ...two screws to remove 2 Secure the wires and cables with the wire clamps 3 Install the wire clamps on the outdoor unit Wire clamp Screw Wires and cables Outdoor unit Check after completing installation...

Page 38: ...Use of the Flaring Method Many of conventional split system air conditioners employ the flaring method to connect refrigerant tubes which run between indoor and outdoor units In this method the coppe...

Page 39: ...he indoor side refrigerant tubing extended from the wall with the outdoor side tubing 2 To fasten the flare nuts apply the following specified torque When removing the flare nuts from the tubing conne...

Page 40: ...d together 40 10 20 30 40 50 50 60 70 80 90 100 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 10 20 30 40 50 40 50 60 70 80 90 100 40 50 60 7...

Page 41: ...pipe and insulator Drain insulator and clamp Large Packing clamp Small hose band The procedure used for installing the insulator for both gas and liquid tubes is the same Seal Flare insulator Vinyl c...

Page 42: ...ap half of each previous tape turn 3 Clamp the tubing bundle to the wall using 1 clamp approx each meter Insulated tubes Drain hose Clamp NOTE Do not wind the armoring tape too tightly since this will...

Page 43: ...acuum drying the indoor unit and tubing 1 Confirm that the shut off valves of gas tube liquid tube and balance tube are kept closed 2 Connect the vacuum pump and vacuum gauge to the service ports of t...

Page 44: ...clockwise to fully open the valve 2 Turn the gas tube service valve stem counter clockwise to fully open the valve CAUTION To avoid gas from leaking when removing the charge hose make sure the stem of...

Page 45: ...ase heater around the feet of the compressor should be hot to the touch ON Power must be turned ON at least 5 hours before attempting test run Power mains switch 6 Both the gas and liquid tube service...

Page 46: ...B OFF Are LEDs 1 and 2 on outdoor unit P C B OFF Does system operate If the terminating resistance plug socket on outdoor main unit P C B is made link wiring more than 2 refrigerant systems set to OPE...

Page 47: ...47 7 3 Main Outdoor Unit PCB Setting LED2 LED1 SW6 SW5 SW7 SW2 SW3 SW4 SW1 CN40 CN30 CN27 CN22 TM1 CN23 CN24 CN28 CN73 CN69 CN82 CN67 JP12 JP11 CN34 CN33 00_340994_2WAY_Eng indb 47 2022 8 4 14 28 47...

Page 48: ...switch 1 unit factory setting 1 ON 2 units 2 ON 3 units 1 2 ON 4 units 3 ON Address setting of main outdoor unit SW5 Unit No setting Address setting of outdoor unit SW5 3P DIP switch Unit No 1 main u...

Page 49: ...and content of alarm message will be checked RUN pin 2P WHT CN27 When short circuited and pulse signal is given all indoor units operate in the same refrigerant system STOP pin 2P WHT CN28 When short...

Page 50: ...the process is stopped Be sure to perform auto address setting again Auto address setting is completed when LEDs 1 and 2 on outdoor main unit control P C board go out 7 Remote control operation is now...

Page 51: ...g unit 1 Unit number setting unit 2 Set the terminating resistance plug socket to SHORT side CN67 Unit number setting unit 3 Inter outdoor unit control wiring Inter outdoor unit control wiring Remote...

Page 52: ...igerant system address Rotary switch SW1 on outdoor main unit control P C board in 1 refrigerant system is set to 1 and the Dip switch SW2 is set to 0 at shipment 2 1 ON ON OFF 4 Regarding the number...

Page 53: ...simultaneously Communication for auto address setting begins and the compressor is started and auto address setting in heating mode begins All indoor units can also be operated To cancel again short c...

Page 54: ...possible to perform auto address setting in a multiple refrigerant system simultaneously Communication for auto address setting begins and the compressor starts and auto address setting in cooling mod...

Page 55: ...etting is completed 5 Repeat the same steps to perform auto address setting for each successive system Auto Address Setting from the High spec Wired Remote Controller CZ RTC5B 4 Select the O D unit no...

Page 56: ...mber of indoor units and setting number of indoor units Under auto address setting Alternately Auto address setting completed There are inconsistencies between the number of indoor units and setting n...

Page 57: ...simple settings mode 2 The address is displayed for the indoor unit that is connected to the remote controller Only the address of the indoor unit that is connected to the remote controller can be che...

Page 58: ...ontroller 1 Press the remote controller button for 4 seconds or longer Then press the button appears on the LCD display while the test run is in progress The temperature cannot be adjusted when in Tes...

Page 59: ...on n Self Diagnosis Function Table Cause and countermeasure against the symptom of auto address failure Symptom Cause and countermeasure When turning ON power to the outdoor main unit LEDs 1 and 2 ill...

Page 60: ...d blink alternately 2 If there is an error at the inter unit control wiring of the remote controller when in the indoor unit group control address setting may not occasionally be made although under s...

Page 61: ...ircuit H05 Compressor 1 discharge temperature sensor disconnected H06 Low pressure abnormal lowering H07 Oil loss error H08 Oil sensor connection error 1 H11 Compressor 2 abnormal current values Overc...

Page 62: ...re Heat exchanger temperature sensor E1 F02 Water heat exchanger temperature sensor E2 chiller F03 Heat exchanger temperature sensor E3 F10 Inlet temperature sensor F11 Outlet temperature sensor P09 C...

Page 63: ...invalid OPEN side It is prohibited making more than 3 locations of terminating resistance valid Since the use of linking the sub outdoor units of VRF systems is not connected to the inter unit control...

Page 64: ...1150 1150 1510 90 210 3990 4230 52HP 16 16 20 1180 1180 1540 60 180 4020 4260 1150 1150 1510 90 210 3990 4230 54HP 14 20 20 1180 1540 1540 60 180 4380 4620 1150 1510 1510 90 210 4350 4590 56HP 16 20...

Page 65: ...8 1518 60 180 4020 4260 52HP 16 16 20 1180 1180 1540 1158 1158 1518 60 180 4020 4260 54HP 14 20 20 1180 1540 1540 1158 1518 1518 60 180 4380 4620 56HP 16 20 20 1180 1540 1540 1158 1518 1518 60 180 438...

Page 66: ...3518 34HP 14 20 1180 1540 1158 1518 2900 2793 3878 36HP 16 20 1180 1540 1158 1518 2900 2793 3878 38HP 18 20 1540 1540 1518 1518 3260 3153 4238 40HP 20 20 1540 1540 1518 1518 3260 3153 4238 42HP 10 16...

Page 67: ...67 NOTE 00_340994_2WAY_Eng indb 67 2022 8 4 14 28 59...

Page 68: ...ACXF60 36621 DC1215 30822 Printed in Malaysia F616858 00_340994_2WAY_Eng indb 2 2022 8 4 14 28 59...