Sanyo SAP-CMRV1923GJH Technical & Service Manual Download Page 38 | Manualshive

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New operating mode is determined based on
the temperature conditions at the time the
ON/OFF operation button is pressed.

Frequency control

Table 2

Outdoor air temperature is below 0

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Outdoor air temperature is 0

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25 Hz

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60 seconds

35 Hz

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60 seconds

45 Hz

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18 seconds

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90 seconds

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Summary of Contents for SAP-CMRV1923GJH

Page 1: ...Pay special attention when servicing the 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 DMR...

Page 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...

Page 3: ...tion and End 24 8 2 Current Control 25 8 3 Low Start Current 25 8 4 Compressor Temperature Control 25 8 5 Outdoor Fan Control 25 8 6 Control at HEAT Start up 26 9 TROUBLESHOOTING 9 1 Conditions That Do Not Represent Trouble 27 9 2 Outdoor Unit Trouble Diagnostics 28 9 3 Checking the Outdoor System 29 9 4 Unit Problems and Inspection Points 30 9 5 Explanation of Functions 33 10 REFRIGERANT R410A SP...

Page 4: ...G RANGE 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 15 C W B ...

Page 5: ...Narrow tube mm in 6 35 1 4 2 tube diameter Wide tube mm in 9 52 3 8 2 Dimensions Weight Unit dimensions Height mm 730 Width mm 940 Depth mm 340 Package dimensions Height mm 831 Width mm 1 016 Depth mm 440 Weight Net kg 69 Shipping kg 71 Shipping volume m3 0 37 DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 Rating conditions are Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C...

Page 6: ... tube diameter Wide tube mm in 9 52 3 8 3 Dimensions Weight Unit dimensions Height mm 730 Width mm 940 Depth mm 340 Package dimensions Height mm 831 Width mm 1 016 Depth mm 440 Weight Net kg 70 Shipping kg 72 Shipping volume m3 0 37 DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 Rating conditions are Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B Heating Indoor...

Page 7: ...f control YES Compressor discharge temp control YES Operation cut off control in abnormal ambient temp Run capacitor µF VAC Crankcase heater 18W 240V Fan Fan Motor Type Propeller Q ty Dia mm 1 ø460 Fan motor model Q ty KFC6S 61C4P C 1 No of poles rpm 220V High 6 670 Nominal output W 60 Coil resistance Ambient temp 20 C Ω WHT BRN 82 02 WHT YEL 41 94 YEL PNK 18 97 Safety devices Type Thermal protect...

Page 8: ...ischarge temp control YES Operation cut off control in abnormal ambient temp Run capacitor µF VAC Crankcase heater 18W 240V Fan Fan Motor Type Propeller Q ty Dia mm 1 ø460 Fan motor model Q ty KFC6S 61C4P C 1 No of poles rpm 220V High 6 670 Nominal output W 60 Coil resistance Ambient temp 20 C Ω WHT BRN 82 02 WHT YEL 41 94 YEL PNK 18 97 Safety devices Type Thermal protector Operating temp Open C 1...

Page 9: ......

Page 10: ... SAP CMRV1923GJH 18 730 940 AIR INTAKE 465 25 25 25 25 296 13 13 19 20 15 10 380 405 340 13 13 660 110 Drain hole AIR DISCHARGE AIR INTAKE AIR INTAKE Unit mm 166 86 Wide tube service valve ø9 52 3 8 Narrow tube service valve ø6 35 1 4 ...

Page 11: ...23GJH 18 730 940 AIR INTAKE 465 25 25 25 25 296 13 13 19 20 15 10 380 405 340 13 13 660 110 Drain hole AIR DISCHARGE AIR INTAKE AIR INTAKE 246 166 86 Wide tube service valve ø9 52 3 8 Narrow tube service valve ø6 35 1 4 unit mm ...

Page 12: ...een insulated never try to bend it into a narrow curve because it can cause the tube to break or crack IMPORTANT CAUTION Wide tube Thickness Min 8 mm Insulation Narrow tube Thickness Min 8 mm Indoor unit Service valve on wide tube side Unit mm Service valve on narrow tube Compressor Strainer Muffler Muffler Sub accumulator Four way valve When cooling When heating When defrosting Outdoor heat excha...

Page 13: ... never try to bend it into a narrow curve because it can cause the tube to break or crack IMPORTANT CAUTION Wide tube Thickness Min 8 mm Insulation Narrow tube Thickness Min 8 mm When cooling When heating When defrosting Outdoor heat exchanger Solenoid valve for hot gas bypass Electric expansion valve Electric expansion valve Main accumulator Compressor Muffler Muffler Sub accumulator Four way val...

Page 14: ...220V Operating current A Low pressure MPa High pressure MPa Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Indoor air temp 23 C 17 C Indoor air temp 23 C 20 C 17 C Indoor air temp 23 C 27 C 24 C Indoor...

Page 15: ... pressure MPa High pressure MPa Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Indoor air temp 23 C 17 C Indoor air temp 23 C 20 C 17 C Indoor air temp 23 C 27 C 24 C Indoor air temp 30 C Indoor air te...

Page 16: ... Low pressure MPa High pressure MPa Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C 27 C 17 C 24 C 24 C Indoor air temp 30 C Indoor air temp 30 C Indoor air temp 23 C 20 C 17 C Indoor air temp 23 C 27 C...

Page 17: ...ating current performance chart RH 85 Indoor fan speed High fan 50 60Hz 220V 1 High pressure performance chart RH 85 Indoor fan speed High fan 50 60Hz 220V 50 60Hz 220V 50 60Hz 220V Operating current A Low pressure MPa High pressure MPa Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperatu...

Page 18: ...rmance chart RH 85 Indoor fan speed High fan 50 60Hz 220V 1 High pressure performance chart RH 85 Indoor fan speed High fan 50 60Hz 220V 50 60Hz 220V 50 60Hz 220V Operating current A Low pressure MPa High pressure MPa Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air te...

Page 19: ...erformance chart RH 85 Indoor fan speed High fan 50 60Hz 220V 1 High pressure performance chart RH 85 Indoor fan speed High fan 50 60Hz 220V 50 60Hz 220V 50 60Hz 220V Operating current A Low pressure MPa High pressure MPa Operating current A Indoor discharge air temperature C Indoor discharge air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor air temperature C Outdoor ai...

Page 20: ...PAM PAM CN23 4 4 5 5 WHT BLK WHT 1 1 2 2 BLK BLK WHT CT CT WHT CN08 1 1 3 3 BLK BLK WHT PRY PRY RED CN21 W W AC200 L2 CN29 BLK YEL YEL BLK YEL YEL YEL TH7 TH6 RED YEL 4 3 2 1 BTH CN22 TH5 TH4 TH2 TH1 BLK DEF BLU CN05 BLU 3 1 DEF WHT ORG BLU BRN YEL RED RED BLU ORG WHT YEL BRN BD C0 BLK WHT BLK WHT WHT WHT RED 3 GRY MC01 MC02 ORG GRY 6 TH3 1 BLK WHT L2 L1 W W G2 TR D HIC PCB YEL BLU BRN YEL RED WHT...

Page 21: ...S ORG 7 9 CN35 WHT 3 1 5 SI BRN TERMINAL BASE 3P 6 6 7 7 WHT BLK WHT PAM PAM CN23 4 4 5 5 WHT BLK WHT 1 1 2 2 BLK BLK WHT CT CT WHT CN08 1 1 3 3 BLK BLK WHT PRY PRY RED CN21 W W AC200 L2 CN29 BLK YEL YEL BLK TH9 TH8 BLU YEL YEL 4 3 2 1 CTH CN20 TH7 TH6 RED YEL YEL 4 3 2 1 BTH CN22 TH5 TH4 TH2 TH1 BLK DEF BLU CN05 BLU 3 1 DEF WHT ORG BLU BRN YEL RED BLU 6 RED BLU ORG WHT YEL BRN MVC MVC CN39 1 BD C...

Page 22: ...tdoor unit and within a total tubing length L1 L2 L1 L2 L3 from the outdoor unit as detailed in Table 1 and Fig 1 Table 1 INDOOR UNIT 1 INDOOR UNIT 3 INDOOR UNIT 2 Tubing length L1 L2 L3 Elevation difference H1 H2 H3 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 or surrounding the air conditioner...

Page 23: ...7 m A φ6 35 φ6 35 φ9 52 φ9 52 A B 93 123 types Outdoor unit Indoor unit 183 type φ9 52 φ9 52 Less than 17 m B Fig 2a Fig 2b Fig 2c Fig 2d φ6 35 φ6 35 φ6 35 φ9 52 φ9 52 Union φ12 7 φ9 52 φ9 52 φ9 52 A B C 93 123 types Outdoor unit Indoor unit 93 123 types 183 type Flare φ9 52 Union φ12 7 φ12 7 Flare φ9 52 φ9 52 φ12 7 Optional parts STK 34TC φ12 7 φ9 52 Optional parts STK 43TCA A joint for connectin...

Page 24: ...at 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 meter...

Page 25: ... with the indoor unit Use caution Connecting any other model may result in operation failure and malfunction The dimensions indicated by in the figure below are spaces that are required in order 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 Cove...

Page 26: ...upply Single phase AC 220 240 V B 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 indoor unit to the outdoor unit size of wire and wiring method etc Each wire must be firmly connected No wire shou...

Page 27: ...ture is less than 0 C Compressor 100 Hz operation 4 way valve ON Outdoor fan OFF Solenoid valve ON for hot gas bypass Indoor fan OFF Temperature of the outdoor heat exchanger is at or above the temperature shown in the table below Defrost operation has continued for 12 minutes max length HEAT operation Frost detection Defrost end Non stop defrost operation Outdoor heat exchanger temperature 13 0 8...

Page 28: ...rent control The operating frequency upper limits shown in the figure below are established for frequency reduction and increase prohibit Example of operation for heating 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 when Point B is exceeded Stops operat...

Page 29: ...ecrease Stop operation 58 54 60 Fan H Fan H Fan H Fan L Fan L Fan L Less than 35 Hz Above 35 Hz Above 5 C 5 C or below Outdoor air 5 C 35 Hz Frequency 8 6 Control at HEAT Start up If HEAT operation is started when the outdoor air temperature is 15 C or below the unit operates at the HEAT start up frequency 120 Hz or above Reset conditions 1 The compressor frequency exceeds the start up frequency o...

Page 30: ...roximately 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 minutes will be required to discharge the high capacity electrolytic capacitors Trouble diagnostics contents 1 Conditions t...

Page 31: ...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...

Page 32: ...N NOTE The dashed line for the defrost or clean defrost lamp indicates lamp illumination at clean defrost only The maximum length of defrost operation is 12 minutes Defrost can also be ended based on the below conditions for the outdoor heat exchanger sensor Less than 2 minutes Not ended 2 minutes or more 10 C or higher However the condition is 7 C or higher when the outdoor air temperature is bel...

Page 33: ... Compressor Compressor protective thermistor Outdoor fan motor 4 way valve 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 does not increase ...

Page 34: ...and 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 connector on the outdoor fan motor circuit board If the needle moves the result is normal If the fan does not rotate easily a Check whether something is obstructing the fan or ...

Page 35: ...y not be refrigerant shortage The problem may be a blockage of the refrigerant circuit a Check that there is no internal leakage inside the 4 way valve At the low pressure side tubing check that there is no temperature difference between the intake and discharge of the 4 way valve b Check that the electric expansion valve is not blocked Check as described on the preceding page NOTE Cool the main u...

Page 36: ...e h T h g i h e r a s e r u t a r e p m e t r o o d t u o d n a r o o d n i e h t f I y n a g n i p p o t s s e t a v i t c a f f o t u c k a e p t n e r r u c e h t y c n e u q e r f n i s e s a e r c n i e r u t a r e p m e t m o o r e h T d e r i s e d e h t d e h c a e r s a h e r u t a r e p m e t e t o m e r e h t d n a e r u t a r e p m e t r o o d n i e h T e r a g n i t t e s e r u t a r ...

Page 37: ... t s o r f e D N O s n r u t n a f r o o d n I r o f e v l a v d i o n e l o s e h t s d n o c e s 0 1 r e t f A F F O s n r u t s s a p y b s a g t o h d e r a e p p a s i d s a h l e e f r i a d l o c e h t n e h W y l l a u d a r g d n a s t r a t s n a f r o o d n i e h t t e s e h t s e h c a e r t i l i t n u d e e p s s e s a e r c n i d e e p s P O T S t s o r f e d n a e l C d e m r o f r...

Page 38: ... 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...

Page 39: ...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 2 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 ...

Page 40: ...refrigerant at 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 U...

Page 41: ...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 ...

Page 42: ...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...

Page 43: ...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...

Page 44: ...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...

Page 45: ... 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...

Page 46: ...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...

Page 47: ...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 ...

Page 48: ...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 ...

Page 49: ...in Max 2 8 2 8 Heating 3 65 3 65 7 3 2 110 9 9 1 7 8 4 780 2 370 Cooling 2 80 2 80 5 6 1 790 8 5 1 4 6 5 540 2 060 2 8 3 6 Heating 3 30 4 00 7 3 2 110 9 9 1 7 8 4 780 2 370 Cooling 2 45 3 15 5 6 1 790 8 5 1 4 6 5 540 2 060 3 6 3 6 Heating 3 65 3 65 7 3 2 110 9 9 1 7 8 4 780 2 370 Cooling 2 80 2 80 5 6 1 790 8 5 1 4 6 5 540 2 060 2 8 5 0 Heating 2 65 4 65 7 3 2 170 10 2 1 6 9 0 780 2 390 Cooling 2 ...

Page 50: ... Min Max 2 8 2 8 Heating 4 00 4 00 8 0 2 140 10 0 1 6 9 0 800 2 350 Cooling 2 80 2 80 5 6 1 730 8 2 1 1 6 7 540 2 020 2 8 3 6 Heating 3 90 4 70 8 6 2 260 10 6 1 7 9 0 820 2 350 Cooling 2 80 3 60 6 4 1 940 9 2 1 3 7 6 590 2 250 3 6 3 6 Heating 4 30 4 30 8 6 2 260 10 6 1 7 9 0 820 2 350 Cooling 3 40 3 40 6 8 2 040 9 7 1 4 8 1 620 2 380 2 8 5 0 Heating 3 10 5 50 8 6 2 260 10 6 1 7 9 0 820 2 350 Cooli...

Page 51: ...ating 2 30 2 30 4 00 8 6 2 260 10 6 1 7 9 0 820 2 350 Cooling 1 80 1 80 3 20 6 8 2 040 9 7 1 4 8 1 620 2 380 2 8 3 6 3 6 Heating 2 50 3 05 3 05 8 6 2 260 10 6 1 7 9 0 820 2 350 Cooling 1 90 2 45 2 45 6 8 2 040 9 7 1 4 8 1 620 2 380 3 6 3 6 3 6 Heating 2 86 2 86 2 86 8 6 2 260 10 6 1 7 9 0 820 2 350 Cooling 2 26 2 26 2 26 6 8 2 040 9 7 1 4 8 1 620 2 380 2 8 3 6 5 0 Heating 2 15 2 60 3 85 8 6 2 260 ...

Page 52: ...SANYO Electric Co Ltd Osaka Japan SM700539 MAY 2003 Printed in Japan ...

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