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TECHNICAL & SERVICE MANUAL

OUTDOOR UNIT: SAP-CMRV3143GJ

DC INVERTER MULTI-SYSTEM AIR CONDITIONER

SAP -CMRV3143GJ

Destination: General area (50Hz)

Europe (50Hz)
Australia (50Hz)
General area (60Hz)

Indoor Model No.

Product Code No.

SAP -CMRV3143GJ-C

1 852 084 47

REVISION NO.

700544-01

IMPORTANT

These air conditioners employ new
refrigerant R410A.

Pay special attention when
servicing the unit.

4-room multi Outdoor unit

< Combined Indoor Units >

1. How these units may be combined is given in

the Unit Combination Tables in the Appendix.

2. Be sure to operate the air conditioning

system only when 2 or more indoor units

have been installed. If operated with only a

single unit installed, the returning fluid to the

compressor may cause a malfunction.

NOTE

●

Concealed duct type

SAP-DMRV93GJ

SAP-DMRV123GJ

SAP-DMRV183GJ

SAP-DMRV243GJ

●

Wall mounted type

SAP-KMRV93GJ

SAP-KMRV123GJ

SAP-KMRV183GJ

SAP-KMRV243GJ

Capacity

9.0 kW

Revised Edition

NOV.2003

Содержание SAP-CMRV3143GJ

Страница 1: ...ervicing the unit 4 room multi Outdoor unit Combined Indoor Units 1 How these units may be combined is given in the Unit Combination Tables in the Appendix 2 Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause a malfunction NOTE Concealed duct type SAP DMRV9...

Страница 2: ...ing 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 aluminum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal fra...

Страница 3: ...8 FUNCTIONS 8 1 Current Control 15 8 2 Low Start Current 15 8 3 Compressor Temperature Control 15 8 4 Outdoor Fan Control 15 9 TROUBLESHOOTING 9 1 Outdoor Unit Trouble Diagnostics 17 9 2 Checking the Outdoor System 18 9 3 Unit Problems and Inspection Points 19 9 4 Explanation of Functions 22 10 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN SERVICING UNIT 10 1 Characteristics of New Refrigerant R410A ...

Страница 4: ...1 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C DB 23 C W B 43 C D B Minimum 19 C DB 14 C W B 19 C D B ...

Страница 5: ...nt Amount charged at shipment g R410A 4 000 Refrigerant control Electric Expansion Valve Operation sound Hi dB A 53 53 Refrigerant tubing connections Flare type Max allowable tubing length per unit m 30 Refrigerant Narrow tube mm in 6 35 1 4 4 tube diameter Wide tube mm in 9 52 3 8 3 mm in 12 7 1 2 1 Dimensions Weight Unit dimensions Height mm 880 Width mm 940 Depth mm 340 Package dimensions Heigh...

Страница 6: ...t off control YES Compressor discharge temp control YES Operation cut off control in abnormal ambient temp Run capacitor µF VAC Crankcase heater Fan Fan Motor Type Propeller Q ty Dia mm 1 ø460 Fan motor model Q ty KFC6S 61C3PA C 1 No of poles rpm 220V High 6 712 Nominal output W 60 Coil resistance Ambient temp 20 C Ω BRN WHT 66 53 WHT YEL 33 95 YEL PNK 12 50 Safety devices Type Thermal protector O...

Страница 7: ...3143GJ 0 0 10 20 30 40 50 60 70 80 90 40 60 80 100 120 140 160 180 200 20 Temperature C Compressor temp sensor Outdoor air temp sensor Narrow tube sensor Wide tube sensor 40 35 30 25 20 15 10 5 0 20 15 10 5 0 5 10 15 20 Temperature C Resistance Ω Resistance Ω ...

Страница 8: ... 18 880 940 33 7 Wide tube service valve ø9 52 3 8 Wide tube service valve ø12 7 1 2 Narrow tube service valve ø6 35 1 4 336 256 416 176 25 13 380 AIR DISCHARGE 25 13 465 Unit mm 25 25 10 405 13 13 660 109 Drain hole AIR INTAKE 296 340 AIR INTAKE 15 ...

Страница 9: ...ator Insulation of Refrigerant Tubing Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To prevent heat loss 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 never try to bend it ...

Страница 10: ...door air temp 30 C 27 C 24 C Indoor air temp 30 C 27 C 24 C Lo fan Hi fan Lo fan Hi fan Lo fan Hi fan Cooling Characteristics 1 Low pressure performance chart RH 46 Indoor fan speed High fan 2 Operating current performance chart RH 46 Indoor fan speed High fan 50 60Hz 220V 50 60Hz 220V 3 Indoor discharge air performance chart RH 46 Indoor fan speed High fan 50 60Hz 220V Operating current A Low pre...

Страница 11: ...n Lo fan Hi fan Cooling Characteristics 1 Low pressure performance chart RH 46 Indoor fan speed High fan 2 Operating current performance chart RH 46 Indoor fan speed High fan 50 60Hz 220V 3 Indoor discharge air performance chart RH 46 Indoor fan speed High fan 50 60Hz 220V Low pressure MPa Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C 25 30 35 40 11 10 9 8 ...

Страница 12: ... ORG BLU 6 WHT BLK BRN WHT RE1 RE2 RE1 RE2 D TR BD 6 ORG RED 4 FMO 3 2 1 YEL BLU WHT BRN GRY GRN YEL BLK 1 3 1 5 7 3 1 2 3 4 5 1 2 3 4 1 2 GRY WHT 3 1 5 AC200 L1 G1 G2 DC280 DC280 1 2 3 4 5 5 4 3 2 SOLDERED TERMINAL TERMINAL TERMINAL BASE CONNECTOR THERMISTOR ROOM A WIDE PIPE THERMISTOR ROOM A NARROW PIPE THERMISTOR COMPRESSOR TEMP THERMISTOR OUTDOOR TEMP THERMISTOR HEAT EXCHANGER BOARD IN WIRE HE...

Страница 13: ...3 H4 above or below the outdoor unit and within a total tubing length L1 L2 L3 L4 from the outdoor unit as detailed in Table 1 and Fig 1 INDOOR UNIT 1 INDOOR UNIT 4 INDOOR UNIT 3 INDOOR UNIT 2 Tubing length L1 L2 L3 L4 Elevation difference H1 H2 H3 H4 OUTDOOR UNIT Fig 1 WARNING To prevent abnormal heat generation and the possibility of fire do not place obstacles enclosures and grilles in front of...

Страница 14: ... unit Union φ12 7 Flare φ9 52 φ12 7 D φ12 7 φ9 52 Optional parts STK 43TCA 93 123 types 93 123 types 93 123 types 183 type More than 17 m 2 Connecting indoor unit type 183 at D Length of tube more than 17 m φ6 35 φ6 35 φ6 35 φ6 35 φ9 52 φ9 52 φ9 52 φ9 52 φ9 52 A φ9 52 B φ9 52 C Outdoor unit Indoor unit Union φ9 52 Flare φ12 7 φ12 7 D φ12 7 φ9 52 Supplied Reducer 93 123 types 93 123 types 93 123 ty...

Страница 15: ...and that will not magnify operating noise or vibration Fasten in place with the anchor bolts M10 provide a base using concrete or similar material and ensure proper drainage select a location where there is no danger of flammable gas leakage in snowy or rainy regions be sure to construct a roof to keep off the snow and rain and inhibit freezing and condensation select a location that is at least 3...

Страница 16: ...to maintain performance Install in a location where the dimensions indicated by are ensured and where 2 or more faces of the unit are unobstructed In principle the top direction should be unobstructed A B C D Tubing panel Base not provided concrete or similar material Ensure 150 mm of space if a drain hose is to be used Fasten with anchor bolts not provided 3 8 or M10 4 locations Inspection panel ...

Страница 17: ...nit B Unit A Unit C Unit D Unit B Unit C Unit D A Terminal plate 16P Grounding line Power supply Single phase AC 220V 240V B Terminal plate 3P CAUTION Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit 7 5 Wiring System Diagram WARNING Be sure to comply with local codes on running the wire from the indoo...

Страница 18: ...ues shown in the table below 8 1 2 Current control The operating frequency upper limits shown in the figure below are established for frequency reduction and increase prohibit Example of operation for cooling Example of operation during cooling Operates at the target frequency at Point A and below Stops increases to the frequency between Points A and B Reduces the frequency by 1 Hz per 0 5 seconds...

Страница 19: ... any electrified parts before the control circuit board LED red turns OFF If the outdoor control circuit board is normal approximately 60 seconds will be required for the charge to dissipate However allow at least 30 minutes for the charge to dissipate if it is thought there might be trouble with the outdoor control circuit board If the outdoor control circuit board fuse has blown approximately 30...

Страница 20: ...bing D sensor narrow tubing Outdoor air temperature sensor Branch tubing A sensor wide tubing Branch tubing B sensor wide tubing Branch tubing C sensor wide tubing Branch tubing D sensor wide tubing CT current sensor HIC protective device current temperature OTP data failure Current peak exceeded Current control failure Active failure Compressor discharge temperature high Zero cross failure DC com...

Страница 21: ...cuit the T RUN terminal to the COM terminal NOTE If the above check items are okay but the outdoor unit does not operate there may be a faulty connection between the indoor unit and the outdoor unit Control No 1 2 The LED red on the control circuit board must illuminate The compressor and fan motor must turn ON They turn ON a few seconds after the power is turned ON Check items unit operation ...

Страница 22: ...9 HIC Electrolytic capacitor Compressor Compressor protective thermistor Outdoor fan motor Coil thermistor Electric expansion valve Branch tubing temperature sensor Breaker Refrigerant gas pressure Measure during a test run Operation lamp flashes Indoor fan does not turn Operation lamp does not illuminate The compressor only does not operate The compressor stops on occasion The compressor speed do...

Страница 23: ...ctive sensor compressor discharge temperature thermistor Check that the sensor is securely contained in the thermostat holder 9 3 6 Outdoor fan motor Turn the fan slowly by hand If the fan rotates easily a Replace the running capacitor on the outdoor control circuit board b Check for an open circuit in the fan motor coil winding c Use the tester AC range to check whether voltage is reaching the co...

Страница 24: ...e circuit is charged 2 3 times with refrigerant gas 200 g each time or if the change is small then the problem may not be refrigerant shortage The problem may be a blockage of the refrigerant circuit Check that the electric expansion valve is not blocked Check as described on the preceding page NOTE Cool the main unit with a damp cloth or other means while welding When applying vacuum use the spec...

Страница 25: ... f o g n i n o i t i s o P d e p p o t s d e m r o f r e p s i e v l a v n o i s n a p x e operation F F O N O e h T button on the remote controller is pressed n e e b s a h e d o m n o i t a r e p o c i t a m o t u a f I n o i t a r e p o r e l l o r t n o c e t o m e r e h t h t i w d e t c e l e s begins in SENSOR DRY or COOL mode depending on the temperature at the time operation starts c i t ...

Страница 26: ... h t s e t u n i m 3 r e t f A y l l a c i t a m o t u a g n i t a r e p o s i e c n a l a b e r u s s e r p a s e t u n i m 3 e s e h t g n i r u D t r a t s o t r o s s e r p m o c e h t g n i w o l l a d e v e i h c a y l i s a e e r o m n o i t n e v e r p e z e e r F t a e h r o o d n i e h t f o e r u t a r e p m e t e h t n e h W C 2 y l e t a m i x o r p p a o t s p o r d r e g n a h c x e...

Страница 27: ...i a m n o i t a r e p o A Y R D n e e w t e b s e g n a h c n a f r o o d n i e h T Low and LL very low over a 6 minute n o i t a r e p o n a f n o i t a u t c u l f f 1 s i s i h T e l c y c g 1 below i F o t r e f e R r i a e h t y f i d i m u h e d y l e v i t c e f f e o t s e t a r e p O r o o d n i e h t g n i c u d e r y l e v i s s e c x e t o n e l i h w e r u t a r e p m e t n o i t a u ...

Страница 28: ...its normal mixed composition state in liquid phase When refrigerant R410A is used the composition 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 Thus always charge the refrigerant while it is in liquid phase 10 2 Checklist Before Servicing Use a clutch typ...

Страница 29: ...ng R22 and R407C No addition of compressor oil for R410A No additional charge of compressor oil is permitted No use of refrigerant other than R410A Never use a refrigerant other than R410A If refrigerant R410A is exposed to fire Through welding etc toxic gas may be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work Caution in ...

Страница 30: ...rging cylinder Refrigerant recovery unit Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended Vacuum pump 2 can be used if the following adapter is attached Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scal...

Страница 31: ...alve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standa...

Страница 32: ...76Kg using a capacity of a 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 0 20 2 76Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer If using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand Do not use the r...

Страница 33: ... refrigerant other than R410A Also do not use oxygen or any flammable gas 5 Evacuation Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly When using a vac...

Страница 34: ...g 0 76Kg using a capacity of a 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 0 20 2 76Kg For the remaining refrigerant refer to the instructions of the refrigerant manufacturer If using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand Do not use t...

Страница 35: ...ant R410A for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 10 8 2 Use of Existing Tubing If replacing an older unit that used refrigerant R22 with a R410A unit do not use its existing tubing Instead completely new tubing must be used CAUTION Never charge additional refrigerant if refrigerant is leaking from the unit ...

Страница 36: ...LES APPENDIX Be sure to operate the air conditioning system only when 2 or more indoor units have been installed If operated with only a single unit installed the returning fluid to the compressor may cause a malfunction NOTE ...

Страница 37: ...C Room D Total Performance Power Input W Current A Min Max Min Max 2 8 2 8 Cooling 2 80 2 80 5 6 1 710 8 1 1 1 6 7 540 1 870 2 8 3 6 Cooling 2 80 3 60 6 4 1 780 8 4 1 3 7 6 670 1 920 3 6 3 6 Cooling 3 60 3 60 7 2 1 840 8 7 1 4 8 1 720 1 940 2 8 5 0 Cooling 2 80 5 00 7 8 1 880 8 8 1 4 8 1 720 1 940 3 6 5 0 Cooling 3 60 5 00 8 6 1 920 9 0 1 4 10 5 720 2 380 2 8 7 0 Cooling 2 55 6 45 9 0 1 940 8 8 1 ...

Страница 38: ...tion Room A Room B Room C Room D Total Performance Power Input W Current A Min Max Min Max 2 8 2 8 Cooling 2 25 2 25 2 25 2 25 9 0 1 940 8 8 2 8 2 8 1 2 10 5 620 2 380 2 8 2 8 Cooling 2 10 2 10 2 10 2 70 9 0 1 940 8 8 2 8 3 6 1 2 10 5 620 2 380 2 8 2 8 Cooling 2 00 2 00 2 50 2 50 9 0 1 940 8 8 3 6 3 6 1 2 10 5 620 2 380 2 8 2 8 Cooling 1 90 1 90 1 90 3 30 9 0 1 940 8 8 2 8 5 0 1 2 10 5 620 2 380 2...

Страница 39: ...SANYO Electric Co Ltd Osaka Japan SM700544 MAY 2003 Printed in Japan ...

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