Toshiba RAS-5M34UAV-E Service Manual Download Page 37

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5-2. Outdoor Unit

RAS-5M34UAV-E

POWER

SUPPLY

CIRCUIT

Summary of Contents for RAS-5M34UAV-E

Page 1: ...R410A FILE NO A09 011 PRINTED IN JAPAN Feb 2010 ToMo SERVICE MANUAL AIR CONDITIONER SPLIT TYPE RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E RAS M18PKVP E RAS 5M34UAV E ...

Page 2: ...N VIEWS 34 5 WIRING DIAGRAM 36 6 SPECIFICATIONS OF ELECTRICAL PARTS 38 7 REFRIGERANT CYCLE DIAGRAM 39 8 CONTROL BLOCK DIAGRAM 46 9 OPERATION DESCRIPTION 48 10 INSTALLATION PROCEDURE 74 11 HOW TO DIAGNOSE THE TROUBLE 93 12 HOW TO REPLACE THE MAIN PARTS 121 13 EXPLODED VIEWS AND PARTS LIST 141 ...

Page 3: ...t R410A air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure f...

Page 4: ... R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PERSONNEL INJURIES IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY...

Page 5: ...V E RAS M10GDV E RAS M13GDV E RAS M16GDV E RAS M10SMUV E RAS M13SMUV E RAS M16SMUV E Type Heat pump Outdoor unit RAS 5M34UAV E Combinations of indoor unit models that can be connected Refer to page 7 to 18 Indoor unit RAS M07SKV E RAS M10SKV E RAS M16SKV E RAS M13SKV E RAS M10GDV E RAS M13GDV E RAS M16GDV E RAS B10SKVP E RAS B13SKVP E RAS B16SKVP E RAS M10SMUV E RAS M13SMUV E RAS M16SMUV E File No...

Page 6: ...difference m Name of refirigerant Weight kg Wiring connection Power supply interconnection Usable temperature range Indoor Cooling Heating C Outdoor Cooling Heating C Unit model RAS Installation plate Wireless remote controller Batteries Indoor unit Remote controller holder Accessory Remote controller holder mounting screw Owner s manual Mounting screw Installation manual Outdoor unit Unit model R...

Page 7: ...6 7 8 4 1 8 6 7 9 4 1 8 7 7 6 3 8 8 2 7 7 3 9 8 3 7 7 4 0 8 5 7 7 4 0 8 5 7 7 4 0 8 5 7 8 4 1 8 6 7 8 4 1 8 6 7 9 4 1 8 7 7 8 4 1 8 6 7 9 4 1 8 7 7 8 4 1 8 6 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 Total Power consumption W 650 640 700 750 640 950 1200 640 1520 1650 640 2000 1950 640 2100 1520 640 1770 1530 640 1910 1810 660 2130 1810 660 2220 2040 670 2400 1530 640 2040 1810 6...

Page 8: ...2 9 2 7 9 4 0 8 7 7 9 4 1 8 8 7 9 4 1 9 0 8 0 4 1 9 0 8 0 4 1 9 0 8 0 4 2 9 1 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 7 9 4 0 8 7 7 9 4 1 8 8 8 0 4 1 9 0 8 0 4 1 9 0 8 0 4 1 9 0 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 ...

Page 9: ... 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 ...

Page 10: ... 3 9 8 3 7 7 4 0 8 5 7 7 4 0 8 5 7 7 4 0 8 5 7 8 4 1 8 6 7 8 4 1 8 6 7 9 4 1 8 7 7 8 4 1 8 6 7 9 4 1 8 7 7 8 4 1 8 6 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 Total Power consumption W 650 640 700 750 640 950 1200 640 1520 1650 640 2000 1950 640 2100 1520 640 1770 1530 640 1910 1810 660 2130 1810 660 2220 2040 670 2400 1530 640 2040 1810 660 2220 2040 670 2400 2040 670 2400 2040 ...

Page 11: ... 2 9 2 7 9 4 0 8 7 7 9 4 1 8 8 7 9 4 1 9 0 8 0 4 1 9 0 8 0 4 1 9 0 8 0 4 2 9 1 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 7 9 4 0 8 7 7 9 4 1 8 8 8 0 4 1 9 0 8 0 4 1 9 0 8 0 4 1 9 0 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 1 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9 2 8 0 4 2 9...

Page 12: ... 8 3 7 10 8 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 ...

Page 13: ... 3 9 8 3 7 7 4 0 8 5 7 7 4 0 8 5 7 7 4 0 8 5 7 8 4 1 8 6 7 8 4 1 8 6 7 9 4 1 8 7 7 8 4 1 8 6 7 9 4 1 8 7 7 8 4 1 8 6 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 7 9 4 1 8 7 Total Power consumption W 650 640 700 750 640 950 1200 640 1520 1650 640 2000 1950 640 2100 1520 640 1770 1530 640 1910 1810 660 2130 1810 660 2220 2040 670 2400 1530 640 2040 1810 660 2220 2040 670 2400 2040 670 2400 2040 ...

Page 14: ... 2 11 1 56 2 63 1 92 1 92 1 42 2 99 1 79 1 79 1 33 3 23 1 74 1 74 1 29 2 45 2 45 1 79 1 32 2 79 2 29 1 67 1 24 2 99 2 21 1 61 1 19 2 63 2 63 1 58 1 17 2 82 2 54 1 52 1 13 2 72 2 72 1 47 1 09 2 26 2 26 2 26 1 22 2 59 2 13 2 13 1 15 2 78 2 06 2 06 1 11 2 45 2 45 2 01 1 09 2 63 2 37 1 95 1 05 2 55 2 55 1 89 1 02 1 98 1 98 1 98 1 98 2 48 1 81 1 81 1 81 2 86 1 71 1 71 1 71 3 05 1 65 1 65 1 65 2 31 2 31...

Page 15: ...9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10 9 9 9 3 7 10...

Page 16: ... 10 5 8 7 2 0 10 5 8 7 2 0 10 5 8 7 2 0 10 5 8 8 2 0 10 6 8 8 2 0 10 6 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 8 2 0 10 6 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 Total Power consumption W 900 300 1340 1450 300 1980 2050 310 2750 2400 310 3000 2630 310 3200 2050 320 3200 2080 320 3200 2320 320 3210 2480 320 3230 2480 320 3230 2100 320 3200 2320 320 3210 2480 320 3230 2480 ...

Page 17: ...2 10 8 8 9 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 8 9 2 2 10 8 8 9 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0...

Page 18: ... 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 ...

Page 19: ... 10 5 8 7 2 0 10 5 8 7 2 0 10 5 8 7 2 0 10 5 8 8 2 0 10 6 8 8 2 0 10 6 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 8 2 0 10 6 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 Total Power consumption W 900 300 1340 1450 300 1980 2050 310 2750 2400 310 3000 2630 310 3200 2050 320 3200 2080 320 3200 2320 320 3210 2480 320 3230 2480 320 3230 2100 320 3200 2320 320 3210 2480 320 3230 2480 ...

Page 20: ... 8 2 2 10 8 8 9 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 8 9 2 2 10 8 8 9 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 ...

Page 21: ... 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 ...

Page 22: ... 10 5 8 7 2 0 10 5 8 7 2 0 10 5 8 7 2 0 10 5 8 8 2 0 10 6 8 8 2 0 10 6 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 8 2 0 10 6 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 8 9 2 0 10 7 Total Power consumption W 900 300 1340 1450 300 1980 2050 310 2750 2400 310 3000 2630 310 3200 2050 320 3200 2080 320 3200 2320 320 3210 2480 320 3230 2480 320 3230 2100 320 3200 2320 320 3210 2480 320 3230 2480 ...

Page 23: ... 2 11 0 9 0 2 2 11 0 8 8 2 2 10 8 8 9 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 8 9 2 2 10 8 8 9 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 10 9 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 0 2 2 11 0 9 ...

Page 24: ... 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 4 13 7 11 7 3 ...

Page 25: ... flow High 5 units operating 110 105 100 95 90 85 80 0 10 20 30 40 50 60 70 80 Total pipe length m Heating capacity ratio Conditions Indoor DB20 C Outdoor DB7 C WB6 C Indoor air flow High 5 units operating 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44 Outdoor temp C Cooling capacity ratio Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 5 5 units operating Curren...

Page 26: ...se pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charge...

Page 27: ...es of socket joints Nominal diameter 1 4 3 8 1 2 5 8 Reference outer diameter of copper pipe jointed mm 6 35 9 52 12 70 15 88 Minimum joint thickness mm 0 50 0 60 0 70 0 80 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the ins...

Page 28: ...entional flare tool clutch type Clutch type Wing nut type 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 1 5 to 2 0 0 to 0 5 1 0 to 1 5 2 0 to 2 5 0 to 0 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm Flare tool for R22 Conventional flare tool clutch ty...

Page 29: ...ightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by th...

Page 30: ...R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 7 Screwdriver Use vacuum pump by attaching vacuum pump adapter 8 Spanner or Monkey wrench 2 Torque wrench For Ø6 35 Ø9 52 9 Hole core drill Ø65 3 Pipe cutter 10 Hexagon wrench Oppo...

Page 31: ...er and the connecting port of the electronic balance and charge liquid refrigerant Outdoor unit Indoor unit Opened Opened Refrigerant cylinder with siphon Check valve Open close valve for charging Electronic balance for refrigerant charging Opened Closed Service port 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according ...

Page 32: ...composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solderability 2 Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhes...

Page 33: ...ore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring i...

Page 34: ...ommend 70 or more Drain hose detail dia 28 dia 16 dia 14 Inner diameter Outer diameter Heat insulation 19 19 Wireless remote controller 163 58 Remote controller holder 4 5 74 5 64 34 dia 4 2 125 5 Refrigerant pipe connecting port Liquid side Flare dia 6 35 Outside length 0 4m Refrigerant pipe connecting port Gas side Flare dia 9 52 16 18PKVP E dia 12 7 Outside length 0 35m Drain hose VP16 Outside ...

Page 35: ... 35 4 2 Outdoor Unit RAS 5M34UAV E ...

Page 36: ...03 CN01 CN21 WHI CN401 RED CN604 RED CN212 CN301 WHI CN261 WHI BLK BLK 10 12 14 16 18 8 9 8 7 6 5 4 3 2 1 10 10 0 10 0 11 12 13 14 15 16 17 7 18 8 19 9 21 2 22 22 23 23 24 24 9 8 7 6 5 4 3 2 1 5 5 1 1 TCj BLK BLK 1 Thermo sensor TA BLK BLK Humidity sensor BLK WHI WHI RED WHI BLU BLU BLU WHI YEL YEL WHI YEL RED WHI RED BLK 1 3 4 6 1 2 1 3 2 1 5 4 3 2 1 5 4 CN221 WHI 10 0 10 0 3 2 1 5 1 1 2 4 3 2 1 ...

Page 37: ... 37 5 2 Outdoor Unit RAS 5M34UAV E POWER SUPPLY CIRCUIT ...

Page 38: ...mp sensor at D room gas side TGd sensor Temp sensor at E room gas side TGe sensor Compressor thermo Terminal block 9P Model name DA270A2F 20L ICF 280 A100 1 A CH 56 CH 76 VHV H UKV A MCC 1571 MCC 5071 MCC 1436 US 622 Rating Output 100 W 5 8 mH 18 5 A 9 9 mH 1 A AC 200 240 V DC 12 V AC 220 240 V AC 220 240 V AC 220 240V AC 250V 25 A AC 250V 10 A AC 250V 3 15 A 10 k 25 C 10 k 25 C 50 k 25 C 10 k 25 ...

Page 39: ... You need not add refrigerant if the piping length is 40m or less If the length exceeds 41m add 20g of refrigerant per 1 meter over Connection of only one indoor unit is unavailable Two or more indoor units should be connected 3m Gas leak check position Refrigerant flow Cooling Refrigerant flow Heating NOTE ...

Page 40: ... exchanger pipe temperature T1 C T2 C 15 to 17 36 to 42 12 to 14 36 to 42 10 to 12 36 to 44 9 to 11 36 to 46 10 to 12 36 to 47 10 to 12 47 to 49 10 to 12 49 to 51 9 to 11 51 to 53 9 to 11 52 to 54 10 to 12 47 to 49 10 to 12 49 to 51 9 to 11 51 to 53 9 to 11 52 to 54 9 to 11 52 to 54 11 to 13 51 to 53 11 to 13 51 to 53 11 to 13 51 to 53 11 to 13 51 to 53 11 to 13 51 to 53 11 to 13 51 to 53 11 to 13...

Page 41: ... 2 1 0 to 1 2 1 0 to 1 2 Heat exchanger pipe temperature T1 C T2 C 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 51 to 53 12 to 14 ...

Page 42: ...1 2 1 0 to 1 2 1 0 to 1 2 1 0 to 1 2 1 0 to 1 2 1 0 to 1 2 1 0 to 1 2 1 0 to 1 2 Heat exchanger pipe temperature T1 C T2 C 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 17 51 to 53 15 to 1...

Page 43: ... 2 7 2 5 to 2 7 2 5 to 2 7 Heat exchanger pipe temperature T1 C T2 C 36 to 38 3 to 5 44 to 46 2 to 4 52 to 54 2 to 4 53 to 55 2 to 4 53 to 55 2 to 4 45 to 47 0 to 2 46 to 48 0 to 2 47 to 49 1 to 1 48 to 50 1 to 1 46 to 48 0 to 2 46 to 48 0 to 2 48 to 50 1 to 1 48 to 50 1 to 1 48 to 50 1 to 1 38 to 40 1 to 1 38 to 40 1 to 1 38 to 40 1 to 1 38 to 40 1 to 1 38 to 40 1 to 1 38 to 40 1 to 1 38 to 40 1 ...

Page 44: ...4 2 2 to 2 4 2 2 to 2 4 2 2 to 2 4 2 2 to 2 4 2 2 to 2 4 2 2 to 2 4 2 2 to 2 4 2 2 to 2 4 Heat exchanger pipe temperature T1 C T2 C 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 35 to 37 2 to 0 34 to 36 2 to 0 33 to 35 2 to 0 35 to 37 2 to 0 35 to 37 2 t...

Page 45: ... 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 2 0 to 2 2 Heat exchanger pipe temperature T1 C T2 C 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32 to 35 2 to 0 32...

Page 46: ...on START STOP Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver AUTO Swing Louver Direction Setting Hi POWER Operation Mode Selection AUTO COOL DRY HEAT REMOTE CONTROLLER SLEEP Mode Air Purifier Heat Exchanger Sensor Tc Heat Exchanger Sensor Tcj Humidity sensor Room Temperature Sensor Ta Infrared Rays Signal Receiver and Indication Functions Cold Draft Preventing Functio...

Page 47: ...al communication Noise filter High power factor correction circuit Converter AC DC Gate drive circuit Inverter DC AC Output current sensor Output current sensor Input current sensor E unit serial signal communication circuit D unit serial signal communication circuit C unit serial signal communication circuit B unit serial signal communication circuit A unit serial signal communication circuit Clo...

Page 48: ...o outdoor unit controller The following three types of signals are sent from the indoor unit controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room temperature and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger For these sign...

Page 49: ...0 3 Swing 60 11 SLEEP MODE operation 61 12 Temporary operation 62 13 Air purifying control 62 1 Purpose 62 2 Description 63 3 Operation 63 14 Discharge temperature control 64 15 Pulse motor valve PMV control 64 16 Clean operation 65 17 Clean operation cancel 66 18 Select switch on remote controller 67 19 Set temperature correction 68 20 Various setting on outdoor unit Power save Cooking only etc 6...

Page 50: ...ion Defrost operation function Compressor Outdoor fan motor 4 way valve Pulse motor valve P M V Signal receiving Indoor unit control Operation command Serial signal send receive Selection of operation conditions ON OFF Serial signal send receive Outdoor unit control Inverter Item 1 Basic operation Operation flow and applicable data etc 1 Operation control Receiving the user s operation condition s...

Page 51: ... according to the operation signal sent from the indoor unit 1 The relay of 4 way valve is turned on for a few seconds when 4 way valve is driven Description No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Indoor unit Pushed first Pushed last Pushed first Pushed last Pushed first Pushed last Pushed first Pushed last Pushed first Pushed last Pushed first Pushed last Pushed first Pushed last Pushed first ...

Page 52: ...ription 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta in the left figure 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode for 3 minutes Then select an ope...

Page 53: ... the constant speed shown in Fig 1 2 When the fan speed mode is manual and TA 22 C and the compressor stops the fan speed is controlled from W2 20 seconds to 0 rpm 40 seconds 3 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger...

Page 54: ...able data etc In heating operation Heat pump model This operation controls the fan speed at indoor unit side The indoor fan cross flow fan is operated by the phase control induction motor The fan rotates in 5 stages in MANUAL mode and in 5 stages in AUTO mode respectively Table 2 Fig 3 Fig 4 Fig 5 Cold draft preventive control Fig 6 Description 1 When setting the fan speed to L L M M or H on the r...

Page 55: ...d level WF WE UH WD H WC M WB WA M W9 W8 L W7 L W6 L W5 UL W4 W3 SUL W2 W1 RAS M10PKVP E Fan speed Air flow rate rpm m3 h 1140 640 1140 640 1070 590 980 530 900 470 850 430 810 400 710 330 710 330 650 290 650 290 650 290 650 290 560 220 420 120 RAS M13PKVP E Fan speed Air flow rate rpm m3 h 1200 690 1200 690 1100 610 1010 550 930 490 850 430 810 400 710 330 710 330 650 290 650 290 650 290 650 290 ...

Page 56: ...r conditioner continues with the fan motor stopped 3 Whether the fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is locked 4 According to each operation mode by the conditions of outdoor temperature To and compressor revolution the speed of the outdoor fan shown in the table is selected Compressor revolution rps Outdoor temp sensor T...

Page 57: ...tions from the indoor units and the inverter operates the compressor at the calculated revolutions 3 The compressor operation range in each operating mode is shown in the left table In case that any multiple indoor units are combined 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According to the detected outdoor temperature the specified value of...

Page 58: ...ondensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Description 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is re duced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone 3 When temperature of t...

Page 59: ... does not continue Description Winding Coil heating is performed when the following conditions are met Condition 1 When the discharge sensor temperature Td is less than 30 C Condition 2 When the outdoor sensor temperature To is as shown in the left figure The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost opera...

Page 60: ...door unit The position is automatically controlled according to the operation mode COOL HEAT The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling heating memory position The angle of the louver is indicated as the horizontal angle is 0 When the louver closes fully it directs approx 10 upward 1 Lo...

Page 61: ...n This function operates the air conditioner with the differ ence between the set and the room temperature as shown in the following figure The time correction is performed for 8 minutes each Heating operation Description Cooling operation 1 The indoor fan speed is controlled between W6 and W3 The compressor speed in control as shown in the left figure 2 The set temperature increased 0 5 C per hou...

Page 62: ... beep beep sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pushed for 10 seconds or more beep sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on push RESET button to go off the filter lamp and then push RESET button again 5 To stop the temporary operation push the button again 1 Purpose This function generates negative ion while clean...

Page 63: ...rror is determined to have occurred indicated by the PURE indicator Orange in the following two cases 1 When the panel switch has been set to OFF by the opening of the air inlet grill etc 2 When an abnormal discharge caused by a symptom such as the build up of dirt has been detected while the air purifier is ON NOTE The above case 1 or 2 is deemed to have occurred when the action concerned continu...

Page 64: ... as described in the left table based upon the discharge temperature 1 When starting the operation move the valve once until it fits to the stopper Initialize In this time Click sound may be heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was excessively up adjust the open degree of valve so that it is in the range of set temperature Discharge...

Page 65: ...hen the cooling or dry operation shuts down the unit automatically starts the clean operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the clean operation stops The clean operation is not performed after a heating operation 2 Operation 1 When the stop signal from the remote controller is received the S...

Page 66: ...s at 5 Hz intervals This completes the clean operation setting J231 IC231 J231 MCC 5068B Item 17 Clean operation Operation flow and applicable data etc Setting the clean operation cancel Setting the clean operation Indoor P C board Description CAUTION J231 will be near the MCU so take steps to ensure that it will not be exposed to excessive levels of heat Also take care to avoid solder bridging wi...

Page 67: ...B is enabled by cutting the jumper wire inside the battery box using pliers 1 Slide open the remote controller cover and remove the batteries 2 Cut the jumper wire inside the battery compartment using nippers The jumper wire should not remain in contact after being cut Also be careful not to let plastic scraps jumper wire cuttings or other debris enter the inside of the remote controller 3 Insert ...

Page 68: ...g on outdoor unit Power save Cooling only etc Function Power save setup Setting position Control contents Turn the switch to ON when using the power save function SW802 No 1 ON ON OFF OFF No 2 OFF ON ON OFF Current limit 11A 8 5A Full Full Default When using the air conditioner as a cooling only conditioner turn the switch to ON If the heating mode is selected by rimote controll outdoor unit will ...

Page 69: ...n NOTE After restarting the air conditioner by the AUTO RESTART OPERATION the louver swing AUTO operation doesn t resume While the PURE indicator Orange is on the RESET button has the function of air purifier reset button Operation Push RESET button for more than 3 seconds Less than 10 seconds Motions The unit is on standby p Push RESET button for more than 3 seconds The unit starts to operate The...

Page 70: ...ller even if it stopped due to a power failure Operation Push RESET button for more than 3 seconds Less than 10 seconds Motions The unit is on standby p Push RESET button for more than 3 seconds The unit starts to operate The green indicator is on p After approx 3 seconds The unit beeps 3 times and continues to operate If the unit is not required to operate at this time push RESET button once more...

Page 71: ... the clock and ON timer times To move up the time push of the ON ON button To move down the time push of the ON ON button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time push of the OFF OFF button To move down the time push of the OFF OFF button 10 Reserve button SET Push this button to store the time settings A receiving beep is heard 11 Cancel button CLR ...

Page 72: ...ated except during TIMER operation 7 Hi POWER indicator Indicates when the Hi POWER operation starts Push the Hi POWER button to start and push it again to stop the operation 8 MEMORY indicator Flashes for 3 seconds when the MEMO button is pushed during operation The mark is shown when holding down the button for 3 seconds or more while the mark is flashing Push another button to turn off the mark...

Page 73: ...o off occurred the following operations start Refer to the figure below 1 The indoor unit of the room A room in which thermo off did not occur starts a continuous operation with the setup number of revolution 2 The indoor unit of the room B room in which thermo off occurred starts intermittent operation of the indoor fan The indoor fan operates with number of revolution of UL or SUL Fan ON time is...

Page 74: ...right Rear left Bottom left Left 8 mm thick heat resisting polyethylene foam The indoor unit shall be installed so that the top of the indoor unit is positioned at least 2 m high Also avoid putting anything on the top of the indoor unit Hook Hook Hook Hook 70 mm or more 160 mm or more 180 mm or more 1 Installation plate 5 Mounting screw 2 Wireless remote controller 2 Wireless remote controller 4 R...

Page 75: ...rcially available one Name Owner s manual Indoor unit Installation manual Important information and warning B W strips Energy efficiency labels 10 2 2 Accessory and Installation Parts Part No 7 8 Part Code Y Z Parts name Refrigerant piping Indoor unit name Liquid side Gas side Outer diameter Outer diameter RAS M10PKVP E RAS M13PKVP E 6 35 mm 9 52 mm RAS M16PKVP E RAS M18PKVP E 6 35 mm 12 7 mm Shie...

Page 76: ...ditioner New tools for R410A Gauge manifold Charge hose Electronic balance for refrigerant charging Torque wrench nominal diam 1 2 5 8 Flare tool clutch type Gauge for projection adjustment Vacuum pump adapter Gas leakage detector Applicable to R22 model Changes As pressure is high it is impossible to measure by means of conventional gauge In order to prevent any other refrigerant from being charg...

Page 77: ... and Mounting Installation Plate K Drilling When installing the refrigerant pipes from the rear Fig 10 3 2 1 Decide the installation plate mounting position on the wall 2 Mark the corresponding pipe hole wall positions according to the positioning marks ð on the installation plate 3 Drill the pipe holes Dia 65 mm or Dia 80 mm slightly slanted downward to the outside NOTE When drilling into a wall ...

Page 78: ...ig 10 3 5 CAUTION Failure to securely install the unit may result in personal injury and or property damage if the unit falls In case of block brick concrete or similar type walls drill 5 mm dia holes in the wall Insert clip anchors for the 5 mounting screws NOTE Install the installation plate using between 4 to 6 mounting screws making sure all four corners are secure Anchor bolt NO GOOD OK NO GO...

Page 79: ...tightly with screws Make a loop with the earth wire under the terminal block and secure it with the earth screw 6 Tightening torque 1 2 N m 0 12 kgf m 7 Secure the connecting cable with the cord clamp 8 Attach the terminal cover and moving panel on the indoor unit CAUTION Be sure to refer to the wiring system diagram labelled inside the front panel Check local electrical regulations for any specif...

Page 80: ... 3 12 Die cutting Front panel slit Changing drain hose Piping preparation Rear right Rear left Bottom left Left Bottom right Right 4 mm No gap Insert a hexagon wrench Ø4mm Do not apply lubricating oil refrigerant machine oil when inserting the drain cap If applied deterioration and drain leakage of the drain plug may occur 4 Attach the drain cap Insert hexagonal wrench 4 mm Fig 10 3 13 5 Firmly in...

Page 81: ... diameter 6 35 mm 9 52 mm 12 7 mm Bending radius 30 mm 40 mm 50 mm Slit 43 mm Use a screwdriver handle etc To the front flare Outward form of indoor unit Gas side 270 mm 230 mm R30 or less Dia 6 35 R40 or less Dia 9 52 R50 or less Dia 12 7 Make sure to use a spring bender to avoid crushing the pipe Liquid side CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In ca...

Page 82: ...0 3 7 Drainage 1 Run the drain hose at a downward sloped angle NOTE Hole should be made at a slight downward slant on the outdoor side Fig 10 3 21 2 Put water in the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Fig 10 3 22 CAUTION Install the drain pipe for proper drainag...

Page 83: ...1 Install the outdoor unit without anything blocking the air discharging 2 When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 3 Especially in windy area install the unit to prevent the admission of wind Fig 10 4 1 4 Installation in the following places may result i...

Page 84: ...ed below Total piping length Non Additional refrigerant 40 m Additional refrigerant 80 m 41 to 80 m Additional 20 g of refrigerant Per every 1 m Minimum piping length A or B or C or D or E 3 m or more Maximum indoor piping length A or B or C or D or E 25 m or less Maximum piping height difference A or B or C or D or E 15 m or less Maximum piping height difference between 2 units 15 m or less Fig 1...

Page 85: ...l 2 Pull the front panel downward Tightening torque of flare pipe The pressure of R410A is higher than R22 Approx 1 6 times Therefore securely tighten the flare pipes which connect the outdoor unit and indoor unit with the specified tightening torque using a torque wrench If any flare pipe is incorrectly connected it may cause not only a gas leakage but also trouble in the refrigeration cycle Fig ...

Page 86: ...ep full closed Manifold valve 101kPa 76cmHg Handle Lo Service port Valve core Setting pin Packed valve at gas side Packed valve at liquid side Charge hose For R410A only Charge hose For R410A only Vacuum pump adapter for counter flow prevention For R410A only Vacuum pump 10 4 6 Refrigerant Piping Connection CAUTION KEEP IMPORTANT 4 POINTS FOR PIPING WORK 1 Keep dust and moisture from entering the ...

Page 87: ...ock of indoor and outdoor unit 3 Insert the power cord and the connecting cable fully into the terminal block and secure it tightly with screws 4 Insulate the unused cords conductors from water entering in the outdoor unit Locate them so that they do not touch any electrical or metal parts 5 Secure the power cord and the connecting cable with the cord clamp 6 Attach the front panel on the outdoor ...

Page 88: ...swiring Mispiping Check Make sure that the wiring and piping for each room have the same alphabetical codes A B C D E Connect and secure the power cord Use the power cord cables with thickness type and protective devices specified in this manual Insulate the unused cords conductors with PVC tape 1 Detach the front panel of the outdoor unit Do not remove the air discharge grille 2 Turn on the circu...

Page 89: ...ble in unit D Trouble in unit E Trouble in unit A and B Trouble in unit A and C Trouble in unit A and D Trouble in unit A and E Trouble in unit B and C Trouble in unit B and D Trouble in unit B and E Trouble in unit C and D Trouble in unit C and E Trouble in unit D and E Trouble in unit A B and C Trouble in unit A B and D Trouble in unit A B and E Trouble in unit A C and D Trouble in unit A C and ...

Page 90: ...e same remote controller signal and operate This can be prevented by changing one of the indoor units and remote controllers to setting B the default setting for both units is A If the indoor unit and remote controller settings are different the remote controller signal is not accepted Setting the remote controller 1 Slide open the remote controller cover and remove the batteries 2 Cut the jumper ...

Page 91: ... 4 Close the moving panel to remove the clips on the top side as shown below Push your finger down on the clip on the front panel top and lift up the panel back edge so that the clip is released 5 locations Fig 10 6 3 Moving panel Front panel Panel support Clip Clip Clip Clip Clip 10 6 2 Removing the Moving Panel 1 Open the moving panel and support the moving panel by the panel support on the righ...

Page 92: ...the right side joint first before pushing in the left side joint 10 6 5 Attaching the Vertical Air Flow Louvres 1 Attach the vertical air flow louvres by inserting the connector joints in the order of left right and centre 2 Secure the horizontal air flow louvres to the connector joints Left side joint Right side joint Panel stopper Screw Screw Lead wire cover Fig 10 6 12 3 After pushing in the co...

Page 93: ...may not normally discharge according to error contents and the voltage may remain Therefore be sure to discharge the capacitor WARNING For discharging never use a screwdriver and others for short circuiting between and electrodes As the electrolytic capacitor is one with a large capacity it is very dangerous because a large electric spark will occur Discharging method Connect the discharge resista...

Page 94: ...re In AUTO mode the operation mode is changed In HEAT mode the compressor motor speed does not increase up to the maximum speed or decreases before the temperature arrives at the set temperature Cool Dry or Heat operation cannot be performed Description The OPERATION lamp of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in ...

Page 95: ...3 1 NOTE The contents of items B and C and a part of item E are displayed when air conditioner operates When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B The check codes can be confirmed on the remote controller for servicing Indoor indication lamp flashes Which lamp does flash Item A B C D E Check code Block display OPERATION Green Flash...

Page 96: ...troller Push ON or OFF button If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to as shown in Table 11 4 1 Press ON or OFF button to change the check code backward If there is a fault the indoor unit...

Page 97: ...wiring of connecting cable 2 Operation of compres sor thermo Gas shortage Gas leak Air conditioner status Operation continues Operation continues Operation continues All off Operation continues Operation continues Remarks Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Flashes when ...

Page 98: ...erial signal and normal status when signal is reset Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and action Even if trying operation again all operations stop immediately Replace P C board 1 Even if connecting lead wire of compressor is removed position detect circuit error occurred Replace P C board 2 ...

Page 99: ... controller Is voltage DC12V or 5V indicated on rear of indoor control board normal Does transmission mark on remote controller flash normally and is its signal transmitted properly Is DC310 340V supplied between CN10 1 3 Does fan motor connector between CN301 1 3 short circuit Item by symptoms Operation Check Item Considerable principle cause Measures Parts R01 R02 DB01 C01 C03 IC01 and T101 are ...

Page 100: ...detect DC 1V or more between 5 and 3 of motor connector CN301 Is it possible to detect DC 1V or more between 5 and 3 of motor connector CN301 Is it possible to detect DC 310 340V between 1 and 3 of motor connector CN301 Motor connection condition Is it possible to detect DC 15V between 4 and 3 of motor connector CN301 Is it possible to detect DC 15V between 4 and 3 of motor connector CN301 Is it p...

Page 101: ...lace motor 4 Indoor fan motor automatically starts to rotate by turning on power supply Cause The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply Inspection procedure 1 Remove the front panel Remove 2 screws 2 Remove th...

Page 102: ...t Batteries are exhausted Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio Is transmission mark indicated P C board is defective Replace P C board Replace batteries Replace remote controller Normal operation Remote controller is defective NO YES NO YES NO YES NO YES NO YES NO YES NO YES Does indoor unit start to operate by automatic rest...

Page 103: ...Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Normal time Voltage swings between DC15 and 60V Inverter Assembly check Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while afte...

Page 104: ...W801 SW802 Specifications Pushdown button switch DIP switch DIP switch Operation contents Performs the specific operation to check maintenance and various initial settings Part No D502 D511 D517 D524 D531 D501 D508 D515 D520 D527 D800 D801 to D805 Specifications Orange LED Green LED Green LED Red LED Operation contents Indoor Outdoor communication Serial communication signal display Receive signal...

Page 105: ...l l l l Indoor check code 07 14 16 17 1C 19 1A 1B 1D 1E 1F 18 18 1C 1C 1C 1C 1C 1C 1C 1C 1C 20 20 20 20 20 Description During normal operation Case thermo operation Power supply error Driving element short circuit Position detection circuit error Current detection circuit error Compressor system error Compressor lock Discharge temp sensor TD error Fan system error Outside temp sensor TO error Comp...

Page 106: ...e valve fully YES NO YES NO NO NO NO NO Is PMV under correct conditions Is service valve fully opened Are CN609 of P C board MCC 1571 connection and case thermostat correct Check ourdoor P C B MCC 1571 Defect Replace Short each pins of CN609 Can compressor operate Repair defective position Recharge refrigerant Is there gas leak Is there refrigerant shortage Check compressor Rare short etc Defect R...

Page 107: ...r Sensor error Replace Check outdoor P C B MCC 5071 Defect Replace Check wiring construction Ask repair of power supply Check outdoor P C B MCC 1571 Defect Replace Is connection of CN600 on P C B MCC 5071 correct Is resistance value of TD sensor correct Correct connector Sensor error Replace Check outdoor P C B MCC 5071 Defect Replace Is connection of CN602 on P C B MCC 5071 correct Is resistance ...

Page 108: ...eck outdoor P C B MCC 1571 and MCC 5071 Defect Replace Compressor lock Replace 1 1 Does PMV correctly operate Is there refrigerant stagnation Is compressor under correct condition Is AC mains voltage correct 198 to 264V Does something block the ventilation around the heat sink Does something air flow from the fan Apply radiation grease to objective parts Retightening of screws Be sure not to forge...

Page 109: ...Is connection of CN608 on P C B MCC 5071 correct Is resistance value of TGe sensor correct Open service valve fully Is service valve fully opened Is PMV under correct conditions Correct connector Sensor error Replace Check outdoor P C B MCC 5071 Defect Replace Correct connector Sensor error Replace Check outdoor P C B MCC 5071 Defect Replace Correct connector Sensor error Replace Check outdoor P C...

Page 110: ...stagnation Compressor lock Replace Does PMV correctly operate Check TE TS sensors and PMV Detect Replace Is PMV under correct conditions Is connection of CN600 on P C B MCC 5071 Is resistance value of TD sensor correct Is there gas leak Is there refrigerant shortage Repair defective position Recharge refrigerant Correct connector Sensor error Replace Check outdoor P C B MCC 5071 Defect Replace Rep...

Page 111: ...Sensor error Replace Check outdoor P C B MCC 5071 and indoor B room P C board Defect Replace Is PMV under correct conditions Check temp sensor of B room indoor unit TA sensor TC sensor YES NO OK Error Repair defective position Replace defective part Correct connector Sensor error Replace Check outdoor P C B MCC 5071 and indoor A room P C board Defect Replace Is PMV under correct conditions Check t...

Page 112: ... error Replace Check outdoor P C B MCC 5071 and indoor E room P C board Defect Replace Is PMV under correct conditions Check temp sensor of E room indoor unit TA sensor TC sensor YES NO OK Error Repair defective position Replace defective part Correct connector Sensor error Replace Check outdoor P C B MCC 5071 and indoor D room P C board Defect Replace Is PMV under correct conditions Check temp se...

Page 113: ...402 of the high voltage generator Is DC12V applied between and of CN402 of the main P C board MCC5068 Micro switch is stuck Micro switch malfunction To item Power supply is not turned on Replace the main P C board MCC 1571 Replace micro switch Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on Are the electric dust collector and ionizer dried...

Page 114: ...oard hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C board part DC power supply circuit 5V 12V 35V Indoor fan motor control circuit CPU and peripheral circuits buzzer and D...

Page 115: ...d CN501 DC 15 60V Check whether or not all indicators OPERATION TIMER PURE are lit for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the com pressor operates 2 Check whether or not the OPERA TION indicator flashes 1 Check whether or not the com pressor operates 2 Check whether or not the OPERA TION indicator flashes 1 Check it is impossible to detect the voltage DC 15V...

Page 116: ...20 30 40 50 Resistance value kΩ Temperature C TD Discharge temp sensor TA Room temp sensor TC TCj Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor TGa to TGe Gas side temp sensor TA TC TCj TO TE TS TGa to TGe TD 1 Sensor characteristic table ...

Page 117: ...ly No 1 2 3 4 Part name Compressor Model DA270A2F 20L Outdoor fan motor Model ICF 280 A100 1 Compressor thermo Bimetal type Model US622KXTMQO Outdoor temperature sensor TO pipe temperature sensor TGa TGb TGc TGd TGe discharge temperature sensor TD suction temperature sensor TS evaporator temperature sensor TE Checking procedure Measure the resistance value of each winding by using the tester Under...

Page 118: ...t error inside of the outdoor fan motor or 4 Motor drive circuit error of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Fan motor is normal Does the fan rotate without trouble when rotating it with hands Disconnect connector of the outdoor fan motor from P C board MCC 1436 Outdoor P C board error Fan motor error YES YES NO NO If the resis...

Page 119: ... UART communication connector CN802 Blue Case thermo connector CN609 Blue Reactor connecting connectors Electrolytic capacitors 760μF 400V Compressor Compressor output terminals output terminals CN200 CN200 CN201 CN201 CN202 CN202 Fan motor output Fan motor output CN300 CN300 Red White Black Red White Black Power supply circuit protective fuse Power supply circuit protective fuse F100 F100 250V 3 ...

Page 120: ... CN607 Blue TGC CN606 Green TGB CN605 Red TGA CN604 Yellow UART communication connector CN804 White UART communication connector CN802 Blue PMV connector A room CN700 Yellow B room CN701 Red C room CN702 Green D room CN703 Blue E room CN704 Black Power Power Alarm display LED Alarm display LED D800 Green D800 Green D801 to D805 Red D801 to D805 Red Specific operation pecific operation and Initial ...

Page 121: ...fter repairs have been completed and the front panel and cabinet have been attached perform test run and check for smoke unusual sound and other abnormalities Failure to do so may cause fire or electric shock Make sure that the cabinet is attached before starting test run Perform the following when repairing the refrigeration cycle Watch out for fire in the surrounding area If a gas stove or other...

Page 122: ...tor 5P for movable panel Minus ion charger connector 4P 6 Remove the motor base assembly by releasing the claw 7 Remove the earth screw TC sensor and TCj sensor CAUTION When attaching the electric parts assembly Insert the projection at the rear of the indoor unit into the upper hole in the electric parts assembly Check that the fan motor lead wires are con nected as shown in the figure When attac...

Page 123: ...f the vertical air flow louver and turn in the counter clockwise direction to remove Fig 12 1 7 4 After pushing in the right and left connector joints remove the vertical air flow louvres Remove the centre joint and bend the louver downward Remove the right side joint first and then remove the left side joint Fig 12 1 8 Fig 12 1 6 Electric parts cover detached Electric parts cover Screw Claw 2 loc...

Page 124: ...t Panel and Moving Panel and 12 1 3 Electric Parts Cover Detached 2 Loosen the hexagon socket set screw of the cross flow fan from the air outlet 3 Remove the two fixing screws of the motor band right 4 Pull the motor band right and the fan motor out of the unit Fig 12 1 9 CAUTION Check that the claw is engaged with the end plate hook and then secure the heat exchanger with screws Fig 12 1 10 CAUT...

Page 125: ... right joint section of the cross flow fan Detail A Fig 12 1 12 Fig 12 1 11 CAUTION Check and perform items 1 and 2 in the following right side Fig 12 1 13 2 Check that the fan motor shaft end projects by 9 mm above the screw boss of the cross flow fan If the motor shaft end is below the screw boss the cross flow fan may have been assembled improperly Check again whether the cross flow fan have be...

Page 126: ...shing down the hook at the upper part of the high voltage power supply unit detach the upper part of the power supply unit 5 Lift the high voltage power supply unit and pull the projection at the bottom of the high voltage power supply unit out of the fixing frame Fig 12 2 1 Fig 12 2 2 CAUTION Carry out this work taking care of the end of the sheet metal on the back of the discharger unit 6 Gently...

Page 127: ...el Hexagonal screw Ø4 10 5 pcs After taking off screws draw the front panel 2 to this side and remove it while pulling the front panel downward 1 3 Remove the power supply cable and the indoor outdoor connecting wire from the cord clamp and the terminal 4 Remove the upper cabinet Hexagonal screw Ø4 10 4 pcs 2 Attachment 1 Mount the upper cabinet Hexagonal screw Ø4 10 4 pcs In this time insert the ...

Page 128: ...xagonal screw Ø4 10 2 pcs 4 Take off screws for the discharge port cabinet and the motor base ST1T Ø4 8 2 pcs 5 Take off screw for the discharge port cabinet and the heat exchanger ST1T Ø4 8 1 pc 6 Take off screws for the discharge port cabinet and the fin guard Hexagonal screw Ø4 10 2 pcs 1 Detachment 1 Perform work of Detachment 1 of 1 2 Take off screw for the rear cabinet and the valve fixed bo...

Page 129: ...ectors that are connected from CDB P C board to the other parts CN600 TD sensor 3P White CN601 TE sensor 2P White CN602 TO sensor 2P White CN603 TS sensor 3P White CH608 TGa sensor 2P Black CH607 TGb sensor 2P Blue CH606 TGc sensor 2P Green CH605 TGd sensor 2P Red CH604 TGe sensor 2P Yellow CN704 PMV coil 6P Black CN703 PMV coil 6P Blue CN702 PMV coil 6P Green CN701 PMV coil 6P Red CN700 PMV coil ...

Page 130: ...e the terminal cover of the compressor and then remove the compressor lead of the compressor 10 Pull up the inverter assembly and then remove it Hold up both the reactor cover side and the inverter box side and then remove the inverter assembly upward Caution to mount the inverter assembly When mounting the inverter assembly to the partition plate be sure to do hooking NOTE Using the bundling band...

Page 131: ... then remove the connectors 3 Remove the earth wire of CDB P C board Truss head B tight Ø4 6 1 pc 4 Remove CDB P C board from CDB fixed board 5 Mount a new CDB P C board When connecting the connectors on CDB P C board to support CDB fixed board with hand 1 Perform works of Detachment 1 of 1 3 of 2 4 and 2 3 of 5 CAUTION Never disassemble the inverter until 5 minutes after the power supply was turn...

Page 132: ...s NOTE Be careful that DI P C board is difficult to be taken out by radiating grease for the heat sink 10 Mount a new DI P C board NOTE Take note that the compressor lead V CN201 white and the reactor lead CN05 CN06 are correctly attached For the compressor lead the transparent sleeve is attached to the circular terminal and for the reactor lead the transparent sleeve is not attached to the circul...

Page 133: ...lay connector of the reactor 3 Remove the reactor cover Truss head B tight screw Ø4 6 4 pcs 4 Remove the reactor ST1T Ø4 6 2 pcs 5 Mount a new reactor 2 Reactor to be attached to the partition plate 1 Perform works of Detachment 1 of 1 and 4 2 Remove the reactor from the partition plate ST1T Ø4 8 2 pcs 3 Mount a new reactor Caution to mount the inverter assembly When mounting the inverter assembly...

Page 134: ...eller fan 4 Remove the relay connector for fan motor from the inverter 5 Remove the fan motor lead from the fan motor lead fixing rubber of the penetrating part of the partition plate 6 Take off the fixing screws 4 pcs each while supporting the fan motor so that it does not fall Caution to assembly of fan motor Tighten the flange nut with 4 95N m 50kgf cm Adjust length of the fan motor lead fixing...

Page 135: ... the heat exchanger ST1T Ø4 8 2 pcs 7 Take off fixing screws for the anchor board and the valve fixing plate ST1T Ø4 8 2 pcs 8 Using a burner remove the welded parts discharge pipe suction pipe connected to the compressor NOTE Take care that the electric parts sensors compressor and etc are not caught by flame Otherwise operation trouble may occur 9 Pull out the refrigerating cycle upward NOTE Pul...

Page 136: ...ischarge port cabinet and put it as the fan guard side directs downward 3 Take off the hooking claws 8 positions of the fan guard 2 Attachment 1 Push the hooking claws 8 positions with hands from the front side and then fix the claws CAUTION Check all the hooking claws are fixed at each specified position 1 Detachment 1 Remove the top plate Hexagonal screw Ø4 10 6 pcs 2 Take off fixing screws for ...

Page 137: ...2 13 Part name 4 way valve coil PMV Coil Black Coil Blue Coil Green Coil Red Coil Yellow Procedure Attachment Mount 4 way valve coil so that the label side directs upper side of the cabinet 1 Detachment 1 Perform work of Detachment 1 of 1 2 Turn the coil clockwise counterclockwise and then remove it from PMV main unit All 5 pcs 2 Attachment 1 Mount the PMV coil so that the coil lead wire taking ou...

Page 138: ...he suction pipe and then mount it Attachment Mount TD sensor on the straight part of the discharge pipe so that the lead wire directs upward and the sensor directs upward of the cabinet Attachment Insert TO sensor holder claw into the heat exchange terminal block hole and then mount it Remarks NOTE At working time finish time be sure not to damage the cover of the sensor lead wire with edge of she...

Page 139: ...wiring process Procedure Attachment Mount these sensors on the directly arranged part of the header connecting pipe at gas side so that the cabinet turns toward the front side and the sensors turn toward upper cabinet NOTE When mounting the sensors check paint color of the sensor lead tube part and the pipe color Mount the sensors to the position of same color Using bundling band bind PMV coil Bla...

Page 140: ...ensor wiring process Continued Procedure Bind TS sensor TE sensor and TO sensor with the bundling band Pass TE sensor and TO sensor through upper part of the inverter fixing board and then bind them with the bundling band NOTE Using the bundling band being on the market be sure to bind the position which was bound Remarks ...

Page 141: ...13 4301V104 Cover Ass y Motor M10 13 16 214 43022458 Base Bearing Ass y M18 215 43022459 Base Bearing Ass y M10 13 16 216 43020372 Fan Ass y Cross Flow 217 43039376 Band Motor Right 218 43125171 Bearing Ass y Mold 219 4301V083 Holder Pipe 220 43049787 Pipe Shield 221 43044870 Refrigeration Cycle Ass y M10 13 Location Part No Description No 222 43044876 Refrigeration Cycle Ass y M16 223 43044875 Re...

Page 142: ...art Description No No 417 4306V206 P C board Ass y M10PKVP E 418 4306V207 P C board Ass y M13PKVP E 419 4306V208 P C board Ass y M16PKVP E 420 4306V209 P C board Ass y M18PKVP E Location Part Description No No 401 4306A132 Terminal Block 3P 402 43050425 Sensor Ass y Service 403 43050426 Sensor Service 404 4306V137 P C board Ass y WRS LED 405 43051349 Switch Ass y Micro 416 43067115 Clamp Cord 417 ...

Page 143: ... 5 32 33 42 35 53 36 52 25 39 40 23 24 14 17 20 O D 6 35mm 15 18 21 O D 9 52mm 12 47 O D 9 52mm 16 19 22 O D 12 7mm 13 46 48 O D 12 7mm 1 2 54 49 Holder Sensor 9 52 TE TG 50 Holder Sensor 9 52 TD 51 Holder Sensor 12 7 TG 13 3 Outdoor Unit ...

Page 144: ...at Bimetal 29 43063317 Holder Thermostat 30 43049739 Cushion Rubber 31 43122120 Supporter Motor 32 43047669 Nut Flange 33 43120244 Fan Propeller PB521 34 4312C037 Motor Fan ICF 280 A100 1 35 43058290 Reactor CH 56 2FC 36 43148170 Accumulator Ass y 39 43046500 Valve 4 way STF H0218 40 43046502 Coil Solenoid VHV H01AP1768A1 42 43043808 Condenser Ass y 43 43032441 Nipple Drain 46 43047674 Cap Charge ...

Page 145: ...TE TS 703 43050446 Sensor Ass y Service TGa to TGe 704 43150319 Sensor Ass y Service TD 705 43158192 Reactor Location Part Description No No 706 43155188 Reactor CH 56 2Z T 707 43160589 Fuse 708 43163059 Spacer Bush 709 43163060 Spacer Collar 710 4316V393 P C board Ass y MCC 1436 711 43163062 Spacer Ass y 712 4316V414 P C board Ass y MCC 1571 713 4316V415 P C board Ass y MCC 5071 13 4 Inverter Ass...

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Toshiba RAS-5M34UAV-E, Service Manual

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