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Indoor Unit

MCAV180R5VAA

6-2 Electric Wiring Diagrams

MCAV220R5VAA

WARNING

To avoid electrical shock hazard, be
sure to disconnect power before
checking, servicing and/or cleaning
any electrical parts

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Содержание GRV180R7TAA

Страница 1: ...TA SERVICE MANUAL Indoor Unit Outdoor Unit MCAV180 220R5VAA GRV180R7TAA KPAV180 220R5VAA GRV220R7TAA SPLIT SYSTEM AIR CONDITIONER GRV180R7TAA GRV220R7TAA KP KPAV180 220R5TAA MCAV180 220R5VAA 0 8180 14...

Страница 2: ...ARNING When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu...

Страница 3: ...between Cooling and Heating 47 7 4 Freeze prevention 47 7 5 Overload prevention 48 7 6 Cold draft prevention 49 7 7 Defrosting operation 50 7 8 Outdoor Fan Speed Control 51 8 REFRIGERANT R407C SPECIAL...

Страница 4: ...NGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C D B 23 C W B 43 C D B Minimum 19 C D B 14 C W B 19 C D B Heating Maximum 27 C D B 24 C D B 18 C W B Minimum 16 C D B...

Страница 5: ...Daily Program Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount char...

Страница 6: ...ogram Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at sh...

Страница 7: ...remote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Compress...

Страница 8: ...mote control unit Timer ON OFF 24 hours Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Compressor...

Страница 9: ...23 WHT VLT 80 1 92 2 VLT ORG 80 1 92 2 ORG YEL 200 230 WHT PNK 238 274 Safety Type Internal protector devices Operating temp Open C 145 5 Close Automatic reclosing Run capacitor F 2 0 VAC 440 Model M2...

Страница 10: ...nt temp 20 C GRY WHT 124 144 WHT VLT 69 3 79 8 VLT ORG 69 3 79 8 ORG YEL 200 233 WHT PNK 255 294 Safety Type Internal protector devices Operating temp Open C 145 5 Close Automatic reclosing Run capaci...

Страница 11: ...ominal output W 30 Coil resistance Ambient temp 20 C WHT BRN 130 4 WHT PNK 169 8 Safety Type Thermal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor F 2 0 VAC 440...

Страница 12: ...inal output W 30 Coil resistance Ambient temp 20 C WHT BRN 130 4 WHT PNK 169 8 Safety Type Thermal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor F 2 0 VAC 440 T...

Страница 13: ...Safety devices Type Open C Close F VAC HEAT EXCH COIL Coil Rows Fin pitch mm Face area m2 EXTERNAL FINISH C 2RN173H8A 80242088 5 62 5 51 5 62 Data subject to change without notice Automatic reclosing...

Страница 14: ...WHT YEL Safety devices Type Open C Close F VAC HEAT EXCH COIL Coil Rows Fin pitch mm Face area m2 EXTERNAL FINISH Acrylic baked on enamel finish Data subject to change without notice 380 400 V 3N 50 H...

Страница 15: ...20 C 6 3 4 40 C 2 7 4 25 C 5 0 4 50 C 1 8 4 Thermistor Coil sensor TH1 PBC 41E S14 Resistance k 20 C 40 1 5 20 C 6 5 5 10 C 24 4 5 30 C 4 4 5 0 C 15 3 5 40 C 3 0 5 10 C 9 9 5 50 C 2 1 5 Transformer TR...

Страница 16: ...Coil sensor DTN TKS131B Resistance k 0 C 15 0 2 Transformer TR ATR J105 Rating Primary AC 230V 50Hz Secondary 19V 0 526A Capacity 10VA Coil resistance at 21 C Primary WHT WHT 205 10 Secondary BRN BRN...

Страница 17: ...rating AC 220 240V 50Hz 6W Coil resistance at 20 C 1 740 7 Electro Magnetic Contactor MG HOE 10TB TH 5A Magnetic contactor Coil rating AC 220 240V 50Hz AC 240 260V 60Hz Coil resistance at 25 C 1 260...

Страница 18: ...7C RDR S400 Rating AC 415V 3 phase 50Hz Contact rating AC 400V 1A Operation Positive phase ON Negative phase OFF 4 way Valve 20S LB64012 Coil V26 110D Valve Coil rating AC 220 240V 50Hz 6W Coil resist...

Страница 19: ...V180R5VAA KPAV220R5VAA Remote control unit 86 74 74 Center of tubing hole 75 4 places Wide tube 12 7 1 2 Narrow tube 6 35 1 4 Drain hose 26 74 74 61 18 5 900 86 41 41 190 680 Wide tube 15 88 5 8 KPAV1...

Страница 20: ...V180R5VAA 285 45 995 45 147 5 147 5 206 3 Remote control unit Center of tubing hole 2 places Narrow tube 6 35 1 4 Drain hose 18 Wide tube 12 7 1 2 MCAV180 Wide tube 15 88 5 8 MCAV220 61 18 5 172 5 Uni...

Страница 21: ...18 Outdoor Unit GRV180R7TAA Air discharge Air intake 538 146 307 337 4 12 holes 830 19 630 305 61 95 Wide tube service valve 12 7 1 2 Narrow tube service valve 6 35 1 4 Unit mm...

Страница 22: ...tdoor Unit GRV220R7TAA Wide tube service valve 15 88 5 8 Narrow tube service valve 6 35 1 4 86 88 155 57 73 86 229 285 835 620 130 100 20 20 325 850 250 250 560 6 3 1 holes Air intake Air discharge Un...

Страница 23: ...4 REFRIGERANT FLOW DIAGRAM Indoor Unit MCAV180R5VAA KPAV180R5VAA Outdoor Unit GRV180R7TAA 20...

Страница 24: ...Indoor Unit MCAV220R5VAA KPAV220R5VAA Outdoor Unit GRV220R7TAA 21...

Страница 25: ...and wet floors due to dripping of condensation both tubes must be well insulated with a proper insulation material The thickness of the insulation should be a min 8 mm After a tube has been insulated...

Страница 26: ...ance m Room air temp 27 C Fan speed High Axis air verocity Flap angle 60 45 Floor mounted Cooling 0 1 2 3 4 5 6 7 3 2 1 0 Horizontal distance m Axis air verocity m s Vertical distance m Room air temp...

Страница 27: ...0 1 2 3 4 5 6 7 1 0 2 3 Horizontal distance m Axis air verocity m s Vertical distance m Axis air verocity Flap angle 45 30 Ceiling mounted 0 1 2 3 4 5 6 7 1 0 2 3 Horizontal distance m Axis air veroci...

Страница 28: ...rocity m s Vertical distance m Room air temp 27 C Fan speed High Axis air verocity Flap angle 60 45 Floor mounted Cooling 0 1 2 3 4 5 6 7 3 2 1 0 Horizontal distance m Axis air verocity m s Vertical d...

Страница 29: ...0 1 2 3 4 5 6 7 1 0 2 3 Horizontal distance m Axis air verocity m s Vertical distance m Axis air verocity Flap angle 45 30 Ceiling mounted 0 1 2 3 4 5 6 7 1 0 2 3 Horizontal distance m Axis air veroci...

Страница 30: ...stance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4...

Страница 31: ...stance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4...

Страница 32: ...mode Refer to 5 5 Overload prevention Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 C DB 19 C WB Heating Indoor air t...

Страница 33: ...h in heating mode Refer to 5 5 Overload prevention Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 C DB 19 C WB Heating...

Страница 34: ...56 21 SHC 2 29 2 21 2 11 1 98 1 84 23 SHC 2 69 2 62 2 51 2 39 2 24 19 25 SHC 3 08 3 02 2 91 2 80 2 64 27 SHC 3 47 3 42 3 32 3 19 3 05 29 SHC 3 86 3 82 3 71 3 60 3 44 31 SHC 4 27 4 23 4 12 4 00 3 85 T...

Страница 35: ...64 4 47 4 25 31 SHC 5 17 5 02 4 85 4 63 TC 6 41 6 10 5 73 5 28 CM 2 29 2 45 2 70 3 05 21 SHC 2 86 2 71 2 53 2 32 19 23 SHC 3 24 3 09 2 91 2 70 25 SHC 3 62 3 47 3 29 3 08 27 SHC 4 00 3 85 3 67 3 46 29...

Страница 36: ...2 15 2 36 2 56 21 SHC 2 29 2 21 2 11 1 98 1 84 23 SHC 2 69 2 62 2 51 2 39 2 24 19 25 SHC 3 08 3 02 2 91 2 80 2 64 27 SHC 3 47 3 42 3 32 3 19 3 05 29 SHC 3 86 3 82 3 71 3 60 3 44 31 SHC 4 27 4 23 4 12...

Страница 37: ...269 82 21 SHC 2713 70 2626 96 2503 04 2354 35 2180 87 23 SHC 3190 76 3110 22 2986 30 2837 61 2664 13 19 25 SHC 3655 43 3581 09 3457 17 3320 87 3135 00 27 SHC 4126 30 4064 35 3940 43 3791 74 3618 26 29...

Страница 38: ...following rating condition Indoor 20 C D B Outdoor 7 C D B 6 C W B 2 Above characteristics indicate instantaneous operation which does not take into account defrost operation 3 Fan speed High 4 Becaus...

Страница 39: ...rature 27 C D B 19 C W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B HEATING Indoor Unit Outdoor Unit Complete Unit...

Страница 40: ...Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B HEATING Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Comp...

Страница 41: ...C WB Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230 V 50Hz Rating Conditions Running Amps A 0 33 0 40 3 47 4 2 Power Input kW 0 071 0 082 2 097 2 25 Full Load...

Страница 42: ...door Air Temperature 32 C DB 23 C WB Outdoor Air Temperature 43 C DB Rating Conditions Indoor Air Temperature 20 C DB Outdoor Air Temperature 7 C DB 6 C WB Full Load Conditions Indoor Air Temperature...

Страница 43: ...ndoor Unit MCAV180R5VAA 6 2 Electric Wiring Diagrams MCAV220R5VAA WARNING To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts 40...

Страница 44: ...Indoor unit KPAV180R5VAA To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING 41 KPAV220R5VAA...

Страница 45: ...Outdoor unit GRV180R7TAA To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING 42...

Страница 46: ...Outdoor unit GRV220R7TAA 43...

Страница 47: ...igerant pressure the control circuit has a built in automatic time delay to allow the internal pressure to equalize As a protective measure the control circuit switches the compressor OFF after 5 minu...

Страница 48: ...rotective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation Thermo ON When the room temperature is below T 1 C T C is set temperature Compressor O...

Страница 49: ...outdoor units stop Room temp 15 C Dry A1 zone Compressor FMI indoor fan Intermittent operation ON for 5 minutes and OFF for 5 minutes L low speed LL very low speed intermittent ventilation only while...

Страница 50: ...lower than the set temperature HEATING operation begins 7 4 Freeze Prevention Cooling This function prevents freezing of the indoor heat exchange coil When the compressor has been running for 10 minut...

Страница 51: ...temperature of the indoor heat exchange coil rises above 59 C and if the indoor fan is L low speed then the fan speed changes from L low speed to M medium speed When the temperature of the indoor heat...

Страница 52: ...exchange coil have sufficiently warmed up STANDBY lamp on front of the indoor unit lights up when this function is working when 10 minutes has elapsed the fan speed is automatically switched to set s...

Страница 53: ...Integrated operating time of compressor is more than 1 5 hours Thermo OFF Compressor OFF C D Temperature of indoor heat exchanger coil is below 45 C Continuous operating time of compressor is more th...

Страница 54: ...ON ON ON ON ON Set speed OFF OFF OFF OFF 32 seconds 11 minutes 32 seconds Start of defrosting g OFF OFF Release of cold draft prevention Compressor Outdoor fan Solenoid coil 4 way valve Indoor fan St...

Страница 55: ...utdoor air temperature falls below B C the fan speed switches to LOW If the outdoor air temperature rises above A C the fan speed switches to HIGH This function does not become active in heating opera...

Страница 56: ...osition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state T...

Страница 57: ...tallation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 54 Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Ch...

Страница 58: ...quickly 3 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R407C Also do not use oxygen or any flammable gas 4 Evacuation Use a solenoid valve insta...

Страница 59: ...f the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the re...

Страница 60: ...ubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas for the pressurized gas and never us...

Страница 61: ...ing the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 x 0 20 2 76K...

Страница 62: ...ns given in 10 6 In case refrigerant is leaking and completely carry out repairs Only then should you recharge the refrigerant 8 8 Retro fitting existing systems 8 8 1 Use of existing units Never use...

Страница 63: ...range 10 of the rating Check that power is being supplied 9 1 3 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and c...

Страница 64: ...terminals L1 L2 L3 and N on the terminal plate in the outdoor unit 1 Indoor unit Outdoor unit Inter unit control wiring Ground Power supply 380 V 400 V 3N 50 Hz L1 L2 L3 N 7 2 4 5 L1 L2 L3 N 6 7 6 Int...

Страница 65: ...e NO Measure insulation resistance of electrical parts in outdoor unit NO NO Set circuit breaker to OFF Measure insulation resistance of electrical parts in indoor unit 1 Remove both power supply wire...

Страница 66: ...t breaker is suitable Measure resistance of outdoor fan motor winding Measure resistance of compressor motor winding Measure coil resistance of magnetic contactor MG Measure resistance of 4 way valve...

Страница 67: ...ng FMI FMO Measure resistance of flap motor winding FLP OK Measure resistance of either power relay or magnetic contactor PR or MG Replace the fuse If fuse has been blown OK Try to run with another re...

Страница 68: ...emote control unit is defective Try to run using another remote control unit COOL OK NO Is room temperature too high Try to raise setting temperature by temperature setting button warmer Outdoor unit...

Страница 69: ...r NO 90 or more of rated voltage YES YES YES YES Rewire power supply wires MG Check compressor motor internal protector 49C Check thermal relay 51C to see if it has operated Check power supply voltage...

Страница 70: ...be turned OK Check fan rotation Turn fan gently once or twice by hand Check fan casing foreign matter on inside Fan motor burnout or foreign matter in bearings Remove foreign matter or repair Repair...

Страница 71: ...S A C olgiate olona printed in italy R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728...

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