Toshiba RAS-3M26GAV-E1 Service Manual Download Page 70

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Item

18. Set temperature

correction

Operation flow and applicable data, etc.

Indoor Control P.C. Board (Factory Default)

Description

1. Purpose

When the difference between the set temp.
of the remote controller and the room temp.
is wide due to the installation condition, etc,
the set temp. is corrected.
(HEAT operation only)

2. Description

The set temp. received from the remote
controller is corrected.

The correct value from –2°C to +4°C is
changed by the jumper wire on P.C. board of
the indoor microcomputer.

L01

DB01

C03

T101

IC801

J804
J805

J806
J807

Jumper wire

J804
J805
J806
J807

In HEAT Operation

Jumper wire setup

J804

J805

HEAT

shift value

–2

←

At shipment

: With Jumper wire

: Cut Jumper wire

Summary of Contents for RAS-3M26GAV-E1

Page 1: ...16 PRINTED IN JAPAN Apr 2009 ToMo SERVICE MANUAL AIR CONDITIONER SPLIT TYPE RAS M10PKVP E RAS M13PKVP E RAS M16PKVP E RAS M18PKVP E RAS M10PKVP ND RAS M13PKVP ND RAS M16PKVP ND RAS M18PKVP ND RAS 3M26GAV E1 RAS 4M27GAV E1 ...

Page 2: ...N VIEWS 35 5 WIRING DIAGRAM 37 6 SPECIFICATIONS OF ELECTRICAL PARTS 39 7 REFRIGERANT CYCLE DIAGRAM 40 8 CONTROL BLOCK DIAGRAM 48 9 OPERATION DESCRIPTION 50 10 INSTALLATION PROCEDURE 76 11 HOW TO DIAGNOSE THE TROUBLE 96 12 HOW TO REPLACE THE MAIN PARTS 118 13 EXPLODED VIEWS AND PARTS LIST 129 ...

Page 3: ...he concrete cautious contents For general public use Power supply cord of outdoor unit shall be more than 1 5 mm H07RN F or 60245IEC66 polychloroprene sheathed flexible cord Read this SAFETY PRECAUTIONS carefully before servicing The precautions described below include the important items regarding safety Observe them without fail After the servicing work perform a trial operation to check for any...

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: ...0GDV E RAS M13GDV E RAS M16GDV E RAS M10SMUV E RAS M13SMUV E RAS M16SMUV E Type Heat pump Outdoor unit RAS 3M26GAV E1 RAS 4M27GAV E1 Combinations of indoor unit models that can be connected Refer to page 8 to 13 Refer to page 14 to 25 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 M1...

Page 6: ...r 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 Unit model RAS Outdoor unit Installation manual Owner s manual M10PKVP E M13PKVP E M16PKVP E M18PKVP E 4M27GAV E1 3M26GAV E1 8 0 7 5 1 4 9 2 1 4 8 9 9 0 9 0 0 8 11 0 0 8 10...

Page 7: ...ating 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 Unit model RAS Outdoor unit Installation manual Owner s manual M10PKVP ND M13PKVP ND M16PKVP ND M18PKVP ND 4M27GAV E1 3M26GAV E1 8 0 7 5 1 4 9 2 1 4 8 9 9 0 9 0 0 8 11 0 0 8 10 8 220 2...

Page 8: ... 4 4 0 8 5 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 1 8 8 7 5 4 1 8 8 7 4 3 8 8 2 7 4 3 9 8 3 7 4 4 0 8 5 7 4 4 0 8 5 7 4 4 0 8 5 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 2 8 9 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 2...

Page 9: ...4 0 8 6 7 5 4 1 8 8 7 5 4 1 8 8 7 4 3 8 8 2 7 4 3 9 8 3 7 4 4 0 8 5 7 4 4 0 8 5 7 4 4 0 8 5 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 2 8 9 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 ...

Page 10: ... 4 0 8 6 7 5 4 1 8 8 7 5 4 1 8 8 7 4 3 8 8 2 7 4 3 9 8 3 7 4 4 0 8 5 7 4 4 0 8 5 7 4 4 0 8 5 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 0 8 6 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 1 8 8 7 5 4 2 8 9 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...

Page 11: ... 8 8 2 0 10 6 8 6 2 0 10 4 8 7 2 0 10 5 8 8 2 0 10 6 8 8 2 0 10 6 8 8 2 0 10 6 8 8 2 0 10 6 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 9 2 0 10 7 9 0 2 0 10 8 Power consumption W 950 300 1400 1500 300 1980 2050 310 2750 2400 310 3000 2630 310 3200 2040 320 3200 2050 320 3200 2320 320 3210 2380 320 3230 2380 320 3230 2050 320 3200 2240 320 3210 2380 320 3230 2380 320 3230 23...

Page 12: ...6 8 8 2 0 10 6 8 6 2 0 10 4 8 7 2 0 10 5 8 8 2 0 10 6 8 8 2 0 10 6 8 8 2 0 10 6 8 8 2 0 10 6 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 9 2 0 10 7 9 0 2 0 10 8 Power consumption W 950 300 1400 1500 300 1980 2050 310 2750 2400 310 3000 2630 310 3200 2040 320 3200 2050 320 3200 2320 320 3210 2380 320 3230 2380 320 3230 2050 320 3200 2240 320 3210 2380 320 3230 2380 320 3230 2...

Page 13: ...10 6 8 8 2 0 10 6 8 6 2 0 10 4 8 7 2 0 10 5 8 8 2 0 10 6 8 8 2 0 10 6 8 8 2 0 10 6 8 8 2 0 10 6 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 9 2 0 10 7 9 0 2 0 10 8 Power consumption W 950 300 1400 1500 300 1980 2050 310 2750 2400 310 3000 2630 310 3200 2040 320 3200 2050 320 3200 2320 320 3210 2380 320 3230 2380 320 3230 2050 320 3200 2240 320 3210 2380 320 3230 2380 320 323...

Page 14: ...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 8 4 1 8 6 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 2 8 9 7 9 4 2 8 9 8 0 4 3 9 0 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 670 240...

Page 15: ...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 1 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 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 Power consumption W 2450 930 2800 2450 930 2800 2450 940 2820 2500 940 2860 2500 940 2860 2450 930 2800 2450 940 2820 2500 940 286...

Page 16: ... 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 8 4 1 8 6 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 2 8 9 7 9 4 2 8 9 8 0 4 3 9 0 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 670 24...

Page 17: ...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 1 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 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 Power consumption W 2450 930 2800 2450 930 2800 2450 940 2820 2500 940 2860 2500 940 2860 2450 930 2800 2450 940 2820 2500 940 286...

Page 18: ...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 8 4 1 8 6 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 2 8 9 7 9 4 2 8 9 8 0 4 3 9 0 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 670 2...

Page 19: ...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 1 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 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 Power consumption W 2450 930 2800 2450 930 2800 2450 940 2820 2500 940 2860 2500 940 2860 2450 930 2800 2450 940 2820 2500 940 286...

Page 20: ...0 4 8 7 2 0 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 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 9 0 2 0 10 8 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 320 3230...

Page 21: ... 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 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 Power consumption W 2100 450 2810 2100 450 2810 2100 460 2830 2250 460 2830 2250 460 2830 2100 450 2810 21...

Page 22: ...0 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 9 0 2 0 10 8 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 320 3230 2480 320 3230 2700 320 3240 2700 320 3240 2860 320 3250 2860 320 3250 2860 320 3250 2290 380 2750 2300 380 2750 2300...

Page 23: ...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 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 Power consumption W 2100 450 2810 2100 450 2810 2100 460 2830 2250 460 2830 2250 460 2830 2100 450 2810 2100 460 2...

Page 24: ...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 9 0 2 0 10 8 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 320 3230 2480 320 3230 2700 320 3240 2700 320 3240 2860 320 3250 2860 320 3250 2860 320 3250 2290 380 2750 2300 380 ...

Page 25: ... 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 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 Power consumption W 2100 450 2810 2100 450 2810 2100 460 2830 2250 460 2830 2250 460 2830 2...

Page 26: ...th 20m 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 4 units operating Standard pipe length 20m 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 x 4 4 units operating C...

Page 27: ...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 28: ...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 29: ...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 30: ...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 31: ...elow shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary ...

Page 32: ...the connecting port of the electronic balance and charge liquid refrigerant Water heat exchanger unit Outdoor 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 acc...

Page 33: ...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 34: ...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 35: ...re Recommend 180 or more Recommend 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 ND dia 12 7 Outside length...

Page 36: ... hole dia 25 Knock out Gas valve Z Service port Liquid port Hanger 95 2 dia 3 5 hole 5 dia 3 5 hole Tightly seal the knock out holes and screw thread areas using a silicon adhesive etc to ensure that there is no water drippage Under some conditions condensation may form on the base plate and arain use the drain pan Fin guard Hanger 4 Units Multi Model Only D Unit Connecting pipe port dia 6 35 Conn...

Page 37: ...t CN601 WHI CN603 YEL CN501 CN03 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...

Page 38: ...nit B 1 2 3 To Indoor unit C 1 2 3 To Indoor unit D Power supply 220 240V 50Hz 220 220V 60Hz 2 1 2 1 TE CN604 2 1 2 1 TS CN603 3 1 3 1 TGa 3 1 3 1 YEL BLU BLK CN606 TGb 3 1 3 1 BRW BLU YEL BZ BY BX EW BW EV BV EU BU CN20 CN21 CN22 CN607 TGc 3 1 3 1 GRN CN608 TGd 2 1 2 1 BLU BLK WHI RED RED Compressor Fan motor 4 way valve coil 3 1 3 1 3 1 3 1 BLU YEL 2 1 2 1 2 1 2 1 2 1 2 1 PUR ORN 2 1 2 1 2 1 2 1...

Page 39: ...ctrolytic capacitor Transistor module Compressor Compressor thermo Diode block Rectifire Reactor Main Reactor Sub Model name ADR25H200RBTB SC 20 03J SWT 75 ICF 140 63 2R G5NB 1A G4A 1A PE Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached Inverter attached For protection of switching power source F04 For protection of power...

Page 40: ...an To B room P T2 TE TO Propeller fan Outdoor unit TD TGa Strainer Packed valve Gas side Ø12 7 Compressor DA220A2F 20L Muffler Ø25 x 160L Packed valve Liquid side Ø9 52 TGc TGb Per 1 unit Max 25m Min 2m Total Max 50m Ø6 35 Ø9 52 Ø9 52 Ø12 7 Ø6 35 Ø6 35 TS Pulse motor valve at liquid side UKV 18D Refrigerant amount 2 4kg R410A NOTE Gas leak check position Refrigerant flow Cooling Refrigerant flow H...

Page 41: ... Allowable height difference 15m Allowable pipe length Evaporator Cross flow fan To C room To B room P T2 TO Propeller fan Outdoor unit TA TD TGa Strainer Packed valve Gas side Ø12 7 Accumulating tank 1500cc Compressor DA220A2F 20L Muffler Ø25 x 160L Packed valve Liquid side Ø9 52 TGd TGc TGb Per 1 unit Max 25m Min 2m Total Max 70m Ø6 35 Ø9 52 Ø9 52 Ø9 52 Ø12 7 Ø6 35 Ø6 35 Ø6 35 Pulse motor valve ...

Page 42: ...T1 C T2 C 11 to 13 44 to 46 9 to 11 45 to 47 8 to 10 46 to 48 7 to 9 47 to 49 7 to 9 48 to 50 11 to 13 46 to 48 10 to 12 47 to 49 10 to 12 47 to 49 10 to 12 47 to 49 10 to 12 47 to 49 10 to 12 47 to 49 10 to 12 48 to 50 10 to 12 49 to 51 10 to 12 49 to 51 10 to 12 50 to 52 9 to 11 51 to 53 9 to 11 51 to 53 9 to 11 52 to 54 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...

Page 43: ...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 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 1...

Page 44: ... 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 44 to 46 1 to 3 44 to 46 1 to 3 45 to 47 0 to 2 45 to 47 0 to 2 46 to 48 0 to 2 45 to 47 0 to 2 45 to 47 0 to 2 46 to 48 0 to 2 46 to 48 0 to 2 46 to 48 0 to 2 47 to 49 1 to 1 47 to 49 1 to 1 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...

Page 45: ...o 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 to 35 2 to 0 33 t...

Page 46: ... T1 C T2 C 11 to 13 44 to 46 9 to 11 45 to 47 8 to 10 46 to 48 7 to 9 47 to 49 7 to 9 48 to 50 11 to 13 46 to 48 10 to 12 47 to 49 10 to 12 47 to 49 10 to 12 48 to 50 10 to 12 49 to 51 10 to 12 47 to 49 10 to 12 48 to 50 10 to 12 49 to 51 10 to 12 49 to 51 10 to 12 50 to 52 9 to 11 51 to 53 9 to 11 51 to 53 9 to 11 52 to 54 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 t...

Page 47: ...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 1 to 3 55 to 57 1 to 3 55 to 57 1 to 3 44 to 46 1 to 3 44 to 46 1 to 3 45 to 47 0 to 2 45 to 47 0 to 2 46 to 48 0 to 2 45 to 47 0 to 2 45 to 47 0 to 2 46 to 48 0 to 2 46 to 48 0 to 2 46 to 48 0 to 2 47 to 49 0 to 2 47 to 49 0 to 2 50 to 52 0 to 2 50 to 52 0 to 2 50 to 52 0 to 2 38 to 40 1 to 1 38 to 40 1 to...

Page 48: ...an 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 Function 3 minute Delay at Restart fo...

Page 49: ...on M C U Discharge temp sensor Gas side pipe temp sensor Suction temp sensor Evaporator temp sensor Outdoor air temp sensor MCC 818 SUB P C B MCC 1438 MAIN P C B 220 240V 50Hz 220V 60Hz Driver circuit of P M V Signal communication to MCU Inverter DC AC Over current sensor Compressor B unit P M V C unit P M V D unit P M V 4 Way valve Relay circuit Noise filter Over current sensor Inverter DC AC Out...

Page 50: ...ration control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Operation control of outdoor fan motor P M V control 4 way valve control Operations followed to judgment of serial signal from indoor side Detection of inverter input current and current release operati...

Page 51: ...on adjustment 62 3 Swing 62 10 SLEEP MODE operation 63 11 Temporary operation 64 12 Air purifying control 64 1 Purpose 64 2 Description 65 3 Operation 65 13 Discharge temperature control 66 14 Pulse motor valve PMV control 66 15 Clean operation 67 16 Clean operation cancel 68 17 Select switch on remote controller 69 18 Set temperature correction 70 9 3 Auto Restart Function 71 9 3 1 Setting the Au...

Page 52: ... OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH Sleep mode ON timer setup OFF timer setup High power Indoor unit control Command signal generating function of indoor unit operation Calculation function temperature calculation Activation compensation function of indoor fan Cold draft preventive f...

Page 53: ...PMV and 4 way valve according to the operation signal sent from the indoor unit 1 The power coupler of 4 way valve is usually turned off and it is turned on during defrost operation Only in heating 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 las...

Page 54: ...er selecting an operation mode COOL HEAT reselect an operation mode 5 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature 1 Detects the room temperature Ta when the DRY operation started 2 Starts operation under conditions ...

Page 55: ...ssor stops the fan speed is controlled from W2 20 seconds to 0 rpm 40 seconds Fig 1 Fig 2 Table 1 Indoor fan air flow rate Cooling Dry 2 5 Ta C 2 0 1 5 1 0 0 5 Tsc a b c d e M WC 3 4 5 L W7 Fan speed H WD 6 7 8 L W8 Hi Power L L M M H W8 L M 2 WC M H 2 WE Indication Hi Power W7 L M 2 WA M H 2 WD Fan speed Fan speed setup COOL ON AUTO MANUAL 3 Fan speed M L 3 4 L 4 Fan speed M L 2 4 L 5 Fan speed M...

Page 56: ...Min air flow rate is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 4 4 Cold draft prevention the fan speed is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 6 Fig 3 Fig 4 Fig 5 Cold draft preventive control Fig 6 1 Fan speed M L 1 5 L 3 5 L 5 Fan speed 1 5 M Fan speed 24 A is 24 and when Tsc 24 A is Tsc Tsc Set value TSC TA C b 0 5 c 1 0 d 1 5...

Page 57: ...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 RAS M13PKVP ND Fan speed Air flow rate rpm m3 h 1200 690 1200 690 1100 610 1010 550 930 490 850 430 810 400 710 330 710 330 650 290 650 290 650 290 650 290 560 220 420 120 RAS M16PKVP E RAS M16PKVP ND Fan speed Air flow rate rpm m3 h 1280 750 1280 750 1180 670 1090 610 980 530 900 470 ...

Page 58: ...tdoor unit 2 When strong wind blows at outdoor side the operation of air 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 i...

Page 59: ...ues Outdoor temp 40 C 9 6A 14 2A 14 4A 14 4A 14 5A 16 C 39 C 11 C 15 5 C 10 5 C Cooling current release value Heating current release value Current decrease Outdoor unit inverter main circuit control current High Low Reduce compressor speed Operating current Setup value 1 Four indoor units from A to D determine the respective instruction revolutions from the differ ence between the remote controll...

Page 60: ...C the compressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 48 C to under 55 C the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 52 C or when it drops below to 48 C the capacity control oper...

Page 61: ...nvert OFF 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor ...

Page 62: ... 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 Louver position in cooling operation 2 Air direction adjustment 1 When pushing SWING...

Page 63: ...n in the left figure 2 The set temperature increased 0 5 C per hour up to 2 C starting from the set temperature when SLEEP MODE has been received Heating operation Heating operation 1 The indoor fan speed is controlled within W7 as maximum value 2 The louver position is set horizontally Standard cooling position when the room temperature comes close to the set temperature or when 25 minutes passed...

Page 64: ...ving panel Open Fan ON Air purifier ON Air purifier ON PURE indicator OFF Air purifier OFF 1 Louver Open memory position Cooling Fan OFF Air purifier OFF Louver close All stop WC WF W7 WA W5 W7 W2 W3 Fan speed level Hi Power Air conditioner operates Air purifying operation Air conditioner air purifier operation 1 Fan speed at Fan Auto mode Present status Stop Air purifier only Air conditioner Join...

Page 65: ... determine the error and turn on the PURE indicator Orange 3 The FILTER indicator keeps lighting even if the operation is stopped by the remote controller The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on the indoor unit FILTER indicator goes off 1 Reset by RESET button 2 Reset by RESET button or by the stop direction from the remote con...

Page 66: ...If the discharge temperature was excessively up adjust the open degree of valve so that it is in the range of set temperature Discharge temp control 4 When defrost operation is performed the open degree of PMV is adjusted according to each setup conditions during preparation for defrost and during defrost operation 4 way valve is inversed 5 When turning off the compressor by thermo OFF or STOP by ...

Page 67: ...tion 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 CLEAN indicator Orange on the main body lights and the clean operation starts Neither the OPERATION indicator nor the PURE indicator light 2 The period of ...

Page 68: ...tion Set Cancel of AUTO RESTART function Refer to 9 3 Auto Restart Function Setting the clean operation Indoor P C board Add J231 of the wireless unit P C board assembly This cancels the auto restart function Hold down the RESET button on the indoor unit for at least 3 seconds but not more than 10 seconds The indoor unit s buzzer emits three beeps This completes the clean operation cancel setting ...

Page 69: ...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 70: ...installation condition etc the set temp is corrected HEAT operation only 2 Description The set temp received from the remote controller is corrected The correct value from 2 C to 4 C is changed by the jumper wire on P C board of the indoor microcomputer L01 DB01 C03 T101 IC801 J804 J805 J806 J807 Jumper wire J804 J805 J806 J807 In HEAT Operation Jumper wire setup J804 J805 HEAT shift value 2 4 2 0...

Page 71: ...ction This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning 3 minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 S...

Page 72: ...rox 3 seconds The unit beeps 3 times If the unit is required to operate at this time push RESET button once more or use the remote controller to turn it on 9 3 2 Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps 3 times The unit will be required to be turned on with the remote controller after the...

Page 73: ...e 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 Pus...

Page 74: ...ion 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 9 SLEEP mode indicator Indicat...

Page 75: ...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 76: ...ook 70 mm or more 160 mm or more 180 mm or more 1 Installation plate 5 Mounting screw 2 Wireless remote controller When installing the outdoor unit leave open in at least two of directions A B C and D shown in the right figure As shown in the figure position power cord and connecting cable downward and lead out along piping connection port 80 mm or more only when unobstructed to the front and both...

Page 77: ... piping Indoor unit name Liquid side Gas side Outer diameter Outer diameter RAS M10PKVP E RAS M10PKVP ND 6 35 mm 9 52 mm RAS M13PKVP E RAS M13PKVP ND RAS M16PKVP E RAS M16PKVP ND 6 35 mm 12 7 mm RAS M18PKVP E RAS M18PKVP ND Shield pipe for extension drain hose polyethylene foam 8 mm thick Q ty 1 ea 1 Attachment bolt arrangement of outdoor unit Secure the outdoor unit with the attachment bolts and ...

Page 78: ... and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and...

Page 79: ... and Mounting Installation Plate u 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 80: ... 10 3 4 Fig 10 3 5 CAUTION Failure to securely install the unit may result in per sonal 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 Projec...

Page 81: ...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 82: ... 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 83: ... 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 84: ... 20 10 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 dr...

Page 85: ...s Q ty Each one 1 Each one Strong wind 10 4 Outdoor Unit 10 4 1 Accessory and Installation Parts 10 4 2 Refrigerant Piping Piping kit used for the conventional refrigerant cannot be used Use copper pipe with 0 8 mm or more thickness Flare nut and flare works are also different from those of the conventional refrigerant Take out the flare nut attached to the main unit of the air conditioner and use...

Page 86: ...o 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 Outer dia of copper pipe 6 35 9 52 12 7 R410A R22 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 5 to 2 0 Flaring size A Unit mm Fig 10 4 4 Outer dia of copper pipe 6 35 9 52 12 7 A R410A R22 9 1 9 0 13 2 13 0 16 6 16 2 0 0 4 In the case of flaring for R410A with the conventional flare tool pull out it approx 0 5 mm more than that for R22 to adjust ...

Page 87: ... on a wall make sure that the platform supporting it is sufficiently strong The platform should be designed and manufac tured to maintain its strength over a long period of time and sufficient consideration should be given to ensuring that the outdoor unit will not fall 6 When the outdoor unit is to be mounted high on a wall take particular care to ensure that parts do not fall installer is protec...

Page 88: ... pump u Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops If inside oil of the vacuum pump enters into the air conditioner which adopts R410A a trouble of the refrigeration cycle may be caused 1 Connect the charge hose from the manifold valve to the service...

Page 89: ...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 side panel on the outdoor unit 3 units A B C Multi Fig 10 4 14 4 units A B C D Multi Fig 10 4 15 CAUTION Wrong wiring connection may cause so...

Page 90: ...r less and a capacity of approximately 30 mA is usually used Service port cap connection Valve stem cap connection Flare nut connections Outdoor unit Flare nut connections Indoor unit 10 4 9 Miswiring Mispiping Check Make sure that the wiring and piping for each room have the same alphabetical codes A B C D Connect and secure the power cord Use the power cord cables with thickness type and protect...

Page 91: ...LEDs 1 Yellow 4 Red LEDs D800 to D804 are provided on P C board of the inverter 2 2 1 LED indication D800 D801 D802 D803 D804 l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l Indoor alarm code None 14 16 17 18 18 19 1A 1B 1C 1C 1C 1C 1C 1C 1C 1C 1C 1D 1E 1F Contents Normal running IGBT short circuit Compressor motor rare short Trou...

Page 92: ...itioner 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 charge...

Page 93: ...ly one unit both units may receive the 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 r...

Page 94: ... 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 95: ...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 96: ...d Page 97 98 98 99 102 107 108 109 110 115 NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolyt...

Page 97: ...ure 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 98: ... 3 1 Item A B C D E Check code Block display OPERATION Green Flashing display 1 Hz OPERATION Green Flashing display 5 Hz OPERATION Green TIMER Orange Flashing display 5 Hz OPERATION Green Flashing display 5 Hz OPERATION Green TIMER Orange Flashing display 5 Hz Description for self diagnosis Power failure when power is ON Protective circuit operation for indoor P C board Protective circuit operatio...

Page 99: ...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 100: ... the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory 3 After servicing push CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Table 11 4 1 Block distinction Operation of diagnosis function Block Indoor P C board etc Not displayed C...

Page 101: ...ion Block Outdoor P C board Not displayed Outdoor P C board Others including compressor Operation of diagnosis function Cause of operation Inverter over current protective circuit operates Short time Position detect circuit error or short circuit between windings of compressor Current detect circuit error Being out of place disconnection or short circuit of the outdoor heat exchanger sensor TE or ...

Page 102: ... 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 103: ...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 104: ...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 105: ...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 106: ...irm 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 11 8 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while a...

Page 107: ... l l l l l Indoor check code 14 16 17 1C 19 1A 1B 1D 1E 1F 18 18 1C 1C 1C 1C 1C 1C 1C 1C Description During normal operation IGBT short circuit compressor motor rare short Position detect circuit error Current detect circuit error Compressor system error Discharge temp sensor TD error Outdoor fan error Outside temp sensor TO error Compressor lock Discharge temp sensor error gas leakage Compressor ...

Page 108: ...N402 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 MCC5068 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 109: ... with or Summary If fuse was blown be sure to check the electrolytic capacitor and diode block Connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electrolytic capacitor 760µF of C14 with printed CAUTION HIGH VOLTAGE on P C board OK if 760µF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resist...

Page 110: ...1 Operating precautions 1 When removing the front panel or the P C board be sure to shut off the power supply breaker 2 When removing the P C board hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a P C board is judged to be defecti...

Page 111: ...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 112: ...70 80 90 20 10 0 0 10 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 TA TC TCj TO TE TS TD 1 Sensor characteristic table ...

Page 113: ...controller Louver motor right left Horizontal MP24Z3N Indoor fan motor Under 20 C Position Yellow Pink Red White White Black Black Red Resistance value 5 to 20 kΩ 29 3 to 35 9 kΩ 29 3 to 35 9 kΩ 29 3 to 35 9 kΩ 2 3 4 Outdoor fan motor Model ICF 140 63 2R Compressor thermo Bimetal type Model US622KXTMQO Outdoor temperature sensor TO pipe temperature sensor TGa TGb TGc TGd discharge temperature sens...

Page 114: ...mal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test once again under another polarity the pointer should return C10 C11 C12 C13 760µF 400V 2 IGBT module 1 Turn OFF the power supply switch 2 Discharge all four electrolytic capacitors completely 3 Execute continuity test with a tester MCC 1438 S...

Page 115: ... outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad If the resistance value between 1 Yellow lead 4 Pink lead of the connector CN301 Motor position detection is 5k to 20k it is normal If the resistance value between 1 Red lead 2 White lead 2 White lead 3 Black lead 3 Black lead 1 Red lead of the connector CN300 Motor winding is 25 to 55 it is normal CN300 Turn OFF the...

Page 116: ... 116 MCC 1438 ...

Page 117: ... 117 MCC 818 ...

Page 118: ...rigerant gas and may cause fire or burn injury Do not use welding equipment in an airtight room Carbon monoxide poisoning may be caused if the room is not well ventilated Do not use welding equipment near flammable materials Flames from the equipment may cause the flammable materials to catch fire and may result in fire or burn injury CAUTION WEAR GLOVES Wear thick gloves such as cotton work glove...

Page 119: ...or 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 attach...

Page 120: ...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 121: ...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 CAUTIO...

Page 122: ... 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 table 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 been as...

Page 123: ...ing 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 w...

Page 124: ...abinet perform work from 6 to 7 of 1 and remove the partition fixing plate ST1T Ø4 10L 1 pc Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting the discharging resistance approx 100Ω 40W or plug of soldering iron to terminals of the C15 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760µF on P C board Be careful t...

Page 125: ...cting cable 5P Red Sub control board assembly side CN302 Connecting cable 3P White CN303 Connecting cable 2P White CN501 Connecting cable 3P Red CN800 Connecting cable 5P Red 3 The connecting cable connecting compressor and P C board base and that connecting reactor and P C board base are fixed to the inverter box with bundling band Cut off bundling band 4 The connecting cables of the main P C boa...

Page 126: ...board Take care that the reactor and the partition fixing plate remain Ø4 10L 3 pcs 4 Remove the sound insulation materials 5 Remove terminal cover of the compressor and disconnect lead wires of the compressor and the compressor thermo assembly from the terminal 6 Remove pipes connected to the compressor with a burner 7 Remove the fixing screws of the bottom plate and heat exchanger Ø4 10L 2 pcs 8...

Page 127: ...rk Positioning bracket at coil side Positioning concavity at PMV unit side 72 pitch PMV unit Mounting Method of Pulse Motor Valve PMV Coil Set the positioning bracket on the PMV coil to a concavity at PMV unit side and fix PMV coil In this time match color of ID mark at the coil side with that of ID mark at the PMV unit side Make sure also that pipes do not deform when inserting and fixing the coi...

Page 128: ... dryer and constring them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again Remarks 1 2 3 4 5 6 Parts name Sensor Sensor Spring A Sensor Spring B Thermal constringent tube Color tape Terminal Q ty 1 1 1 3 1 3 Cutting here Cutting here Cutting here Soldered part Dryer Winding the color tape 100 200 Connector T...

Page 129: ...or M18 213 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 223 430...

Page 130: ...and replacing Location Part Description No No 417 4306V206 P C board Ass y M10PKVP E ND 418 4306V207 P C board Ass y M13PKVP E ND 419 4306V208 P C board Ass y M16PKVP E ND 420 4306V209 P C board Ass y M18PKVP E ND 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 ...

Page 131: ... 131 6 42 50 35 39 40 23 24 25 52 44 4 32 33 34 7 5 8 38 3 30 50 9 36 49 27 16 19 22 13 46 48 15 18 21 14 17 20 1 37 2 29 28 31 10 12 45 47 43 13 3 Outdoor Unit ...

Page 132: ...etal 29 43063317 Holder Thermostat 30 43049739 Cushion Rubber 31 43097212 Nut 32 43047669 Nut Flange 33 43120213 Fan Propeller PJ491 34 4302C069 Motor Fan DC ICF 140 63 2R 35 43058276 Reactor CH 47 Z T 36 43048066 Accumulator Ass y 37 4301V021 Hanger 38 43119390 Hanger 39 43046445 Valve 4 way STF 0213Z 40 43146722 Coil 4 way STF 01A 42 43043747 Condenser Ass y 43 43032441 Nipple Drain 44 43158192 ...

Page 133: ...Terminal Block 6P AC 250V 20A 704 43050424 Sensor TD Ø4 705 43050425 Sensor TO TE TS Ø6 Location Part Description No No 706 43150320 Sensor TG Ø4 707 4316V192 Plate 708 4306V203 P C board Ass y MCC 818 4M27GAV E1 710 4306V205 P C board Ass y IPDU MCC 1438 715 43150259 Rectifier 30A 800V TO Sensor 705 704 710 708 701 702 700 715 TE Sensor TS Sensor TD Sensor 707 TGa Sensor 706 TGb Sensor TGc Sensor...

Page 134: ...airing and replacing Location Part Description No No 700 43162042 Base P C board ABS 701 43160565 Terminal Block 3P 702 43160566 Terminal Block 6P AC 250V 20A 704 43050424 Sensor TD Ø4 705 43050425 Sensor TO TE TS Ø6 Location Part Description No No 706 43150320 Sensor TG Ø4 707 4316V192 Plate 709 4306V204 P C board Ass y MCC 818 3M26GAV E1 710 4306V205 P C board Ass y IPDU MCC 1438 715 43150259 Re...

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Toshiba RAS-3M26GAV-E1, Service Manual

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