Sanyo SAP-C122A Technical & Service Manual Download Page 23 | Manualshive

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4. REFRIGERANT FLOW DIAGRAM

20

Compressor

Accumulator

Wide tube
service
valve

Wide tube

O.D.
ø9.52 mm
(3/8 ")

O.D.
ø12.7 mm
(1/2 ")

Narrow
tube
service
valve

Narrow tube

O.D.
ø6.35 mm
(1/4")

Condenser

Capillary tube

Evaporator

Muffler

or

Indoor Unit

SAP – K92A
SAP – K122A

Outdoor Unit

SAP – C92A
SAP – C122A

Indoor Unit

SAP – K182A

Outdoor Unit

SAP – C182A

Capillary tube

Compressor

Accumulator

Wide tube
service
valve

Wide tube

O.D.
ø12.7 mm
(1/2 ")

Narrow
tube
service
valve

Narrow tube

O.D.
ø6.35 mm
(1/4")

Condenser

Evaporator

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Summary of Contents for SAP-C122A

Page 1: ...R SAP K92A SAP K122A SAP C92A SAP C122A Indoor Model No Product Code No Destination SAP K92A S 1 852 083 68 SAP K122A S 1 852 083 69 Outdoor Model No Product Code No Destination SAP C92A S 1 852 084 09 SAP C122A S 1 852 084 10 SAP C182A S 1 852 084 11 SAP K182A S 1 852 083 70 SAP C182A SAP C252A SAP K182A SAP K252A SAP C252A S 1 852 084 13 SAP K252A S 1 852 083 72 Australia Australia ...

Page 2: ... WARNING 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 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 units weight It may be necessary to construct a st...

Page 3: ...ntrol Unit Installation Position 38 7 3 Recommended Wire Length and Diameter 39 8 FUNCTION 8 1 Room Temperature Control 40 8 2 Dry Operation 41 8 3 Freeze Prevention 41 8 4 Outdoor Fan Speed Control 42 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting 43 9 2 Air conditioner does not operate 44 9 3 Some part of air conditioner does not operate 48 9 4 Air conditioner operates but abnormal...

Page 4: ...1 1 OPERATING 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 ...

Page 5: ...r OFF 12 hour ON or OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amount charged at shipment g R22 850 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 39 37 33 Outdoor Hi dB A 44 Refrigerant tubing connections Flare type Max allowable tubing length a...

Page 6: ...FF 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 shipment g R22 875 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 40 37 34 Outdoor Hi dB A 46 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m 7 ...

Page 7: ... 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 shipment g R22 1 350 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 41 38 36 Outdoor Hi dB A 53 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m 7 ...

Page 8: ...F 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 shipment g R22 1 700 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 43 41 39 Outdoor Hi dB A 55 Refrigerant tubing connections Flare type Max allowable tubing length at shipment m 1...

Page 9: ...020 1 No of poles rpm 240 V High 2 1 290 Nominal output W 20 Coil resistance Ambient temp 20 C Ω WHT BRN 201 WHT VLT 261 Safety Type Thermal fuse devices Operating temp Open C 130 Close Run capacitor µF 1 5 VAC 440 Type Stepping motor Model MP24GA3 Rating DC 12 V Coil resistance Ambient temp 25 C Ω A pair of each terminal 380 7 Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 4 Face area ...

Page 10: ... High 2 1 350 Nominal output W 20 Coil resistance Ambient temp 20 C Ω WHT BRN 201 WHT VLT 261 Safety Type Thermal fuse devices Operating temp Open C 130 Close Run capacitor µF 1 5 VAC 440 Type Stepping motor Model MP24GA3 Rating DC 12 V Coil resistance Ambient temp 25 C Ω A pair of each terminal 380 7 Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 4 Face area m2 0 110 Heat Exch Coil Fla...

Page 11: ...al output W 30 Coil resistance Ambient temp 20 C Ω WHT BRN 133 7 WHT PNK 168 4 Safety Type Internal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor µF 2 0 VAC 440 Type Stepping motor Model MP24GA2 Rating DC 12 V Coil resistance Ambient temp 25 C Ω Each terminals 1 2 1 3 1 4 1 5 400 7 Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 3 Face area m2 0 15...

Page 12: ...l output W 30 Coil resistance Ambient temp 20 C Ω WHT BRN 133 7 WHT PNK 168 4 Safety Type Internal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor µF 2 0 VAC 440 Type Stepping motor Model MP24GA2 Rating DC 12 V Coil resistance Ambient temp 25 C Ω Each terminals 1 2 1 3 1 4 1 5 400 7 Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 3 Face area m2 0 156...

Page 13: ...C Trip in 6 to 16 sec at 16 A Run capacitor µF 22 5 VAC 400 Type Propeller Number Dia mm 1 ø 370 Fan motor model Number UE6 21AH5PB S 1 No of poles rpm 240 V High 6 780 Nominal output W 20 Coil resistance Ambient temp 20 C Ω WHT BRN 338 3 WHT PNK 389 7 Safety Type Thermal fuse devices Operating temp Open C 145 2 Close Run capacitor µF 1 5 VAC 440 Coil Aluminum plate fin Copper tube Rows 1 Fin pitc...

Page 14: ... capacitor µF 25 0 VAC 400 Type Propeller Number Dia mm 1 ø 370 Fan motor model Number UE6S 21AC5P S 1 No of poles rpm 240 V High 6 780 Nominal output W 20 Coil resistance Ambient temp 20 C Ω BRN WHT 341 2 WHT YEL 212 7 YEL PNK 190 0 Safety Type Thermal fuse devices Operating temp Open C 145 2 Close Run capacitor µF 1 5 VAC 440 Coil Aluminum plate fin Copper tube Rows 2 Fin pitch mm 1 2 Face area ...

Page 15: ... 45 0 VAC 400 Type Propeller Number Dia mm 1 ø 420 Fan motor model Number KFG6S 51A5P S 1 No of poles rpm 240 V High 6 880 Nominal output W 50 Coil resistance Ambient temp 20 C Ω WHT BRN 67 09 WHT YEL 68 12 YEL PNK 15 66 Safety Type Thermal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor µF 4 0 VAC 440 Coil Aluminum plate fin Copper tube Rows 1 Fin pitch mm 1 ...

Page 16: ...ec at 59 A Run capacitor µF 40 0 VAC 400 Type Propeller Number Dia mm 1 ø 420 Fan motor model Number KFG4S 51C5PA S 1 No of poles rpm 240 V High 4 1 000 Nominal output W 50 Coil resistance Ambient temp 20 C Ω WHT BRN 55 1 WHT YEL 37 2 YEL PNK 15 5 Safety Type Thermal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor µF 5 0 VAC 440 Coil Aluminum plate fin Copper ...

Page 17: ...240V 50 60Hz Contact rating AC 277V 30A Outdoor Unit SAP C92A SAP C122A Thermistor Room sensor DTN TKS128B Resistance kΩ 25 C 5 0 3 Thermistor Coil sensor DTN TKS131B Resistance kΩ 0 C 15 0 2 Transformer TR ATR J105 Rating Primary AC 230V 50 60Hz Secondary 19V 0 526A Capacity 10VA Coil resistance Ω at 21 C Primary WHT WHT 205 10 Secondary BRN BRN 2 0 10 Thermal cut off temp 150 C Indoor Unit SAP K...

Page 18: ...g AC 277V 30A Outdoor Unit SAP C182A SAP C252A Thermistor Room sensor DTN TKS142B Resistance kΩ 25 C 5 0 3 Thermistor Coil sensor DTN TKS131B Resistance kΩ 0 C 15 0 2 Transformer TR ATR J105 Rating Primary AC 230V 50 60Hz Secondary 19V 0 526A Capacity 10VA Coil resistance Ω at 21 C Primary WHT WHT 205 10 Secondary BRN BRN 2 0 10 Thermal cut off temp 150 C Indoor Unit SAP K182A SAP K252A ...

Page 19: ...t SAP K92A SAP K122A 790 250 174 3 Narrow tube ø6 35 1 4 Drain hose ø18 58 5 132 41 0 41 0 Center of tubing hole 2 places Wide tube ø9 52 3 8 Wide tube ø12 7 1 2 K92 K122 Remote control unit 22 2 14 59 7 64 6 140 10 37 6 69 5 Unit mm ...

Page 20: ...A SAP K252A 285 45 995 45 147 5 147 5 196 3 Center of tubing hole 2 places Narrow tube ø6 35 1 4 Drain hose ø18 Wide tube ø12 7 1 2 K182 Wide tube ø15 88 5 8 K252 Remote control unit 22 2 14 59 7 64 6 140 10 37 6 69 5 Unit mm ...

Page 21: ...Unit SAP C92A SAP C122A 680 530 15 225 Narrow tube service valve ø6 35 1 4 150 103 55 538 2 ø12 holes 71 286 260 AIR INTAKE AIR DISCHARGE Wide tube service valve ø9 52 3 8 ø12 7 1 2 C92 C122 58 71 C92 C122 Unit mm ...

Page 22: ...9 Outdoor Unit SAP C182A SAP C252A 275 98 45 810 15 630 22 538 136 140 302 325 Narrow tube service valve ø6 35 1 4 Wide tube service valve ø12 7 1 2 ø 15 88 5 8 C182 C252 AIR INTAKE AIR DISCHARGE Unit mm ...

Page 23: ...Narrow tube O D ø6 35 mm 1 4 Condenser Capillary tube Evaporator Muffler or Indoor Unit SAP K92A SAP K122A Outdoor Unit SAP C92A SAP C122A Indoor Unit SAP K182A Outdoor Unit SAP C182A Capillary tube Compressor Accumulator Wide tube service valve Wide tube O D ø12 7 mm 1 2 Narrow tube service valve Narrow tube O D ø6 35 mm 1 4 Condenser Evaporator ...

Page 24: ... the insulation should be a min 8 mm After a tube has been 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 Compressor Wide tube service valve Wide tube O D ø15 88 mm 5 8 Narrow tube service valve Narrow tube O D ø6 35 mm 1 4 Capillary for liquid injection Capi...

Page 25: ...ve charts indicate the following rating conditions Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B NOTE Indoor Unit SAP K92A Outdoor Unit SAP C92A Indoor inlet air D B temp C Outdoor fan speed High Low 25 30 35 40 45 50 Outdoor inlet air D B temp C 12 11 10 9 8 7 6 5 4 25 30 35 40 45 50 Outdoor inlet air D B temp C Operating current A 13 Indoor inlet air ...

Page 26: ...n above charts indicate the following rating conditions Cooling Indoor air temperature 27 C D B 19 C W B Outdoor air temperature 35 C D B 24 C W B NOTE Indoor Unit SAP K182A Outdoor Unit SAP C182A Cooling Characteristics Low pressure at wide tube service valve MPa kgf cm 2 G 1 38 13 1 28 12 1 18 11 1 08 10 0 98 9 0 89 8 0 79 7 0 69 6 0 59 5 0 49 4 0 39 3 1 47 14 25 30 35 40 45 50 Outdoor inlet air...

Page 27: ...orizontal distance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High 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 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 24 Indoor Unit SAP K92A Indoor Unit SAP K122A ...

Page 28: ...stance m Axis air velocity m s Vertical distance m Room air temp 27 C Fan speed High 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 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Indoor Unit SAP K182A Indoor Unit SAP K252A ...

Page 29: ...4 2 48 2 43 2 35 2 21 2 03 TC 2 88 2 75 2 63 2 50 2 35 2 16 CM 0 67 0 72 0 77 0 83 0 88 0 94 21 SHC 1 26 1 21 1 15 1 10 1 03 0 96 19 23 SHC 1 47 1 42 1 36 1 31 1 24 1 17 25 SHC 1 68 1 63 1 57 1 52 1 45 1 38 27 SHC 1 89 1 84 1 78 1 73 1 66 1 59 29 SHC 2 10 2 05 1 99 1 94 1 87 1 80 31 SHC 2 31 2 26 2 20 2 15 2 08 2 01 TC 3 05 2 92 2 78 2 65 2 49 2 29 CM 0 69 0 74 0 80 0 85 0 91 0 96 23 SHC 1 24 1 19...

Page 30: ...5 2 55 2 44 31 SHC 2 96 2 87 2 78 2 66 TC 3 57 3 40 3 20 2 94 CM 1 11 1 19 1 30 1 43 21 SHC 1 59 1 50 1 41 1 29 19 23 SHC 1 81 1 73 1 63 1 52 25 SHC 2 04 1 95 1 86 1 74 27 SHC 2 26 2 18 2 08 1 97 29 SHC 2 49 2 41 2 31 2 19 31 SHC 2 71 2 63 2 54 2 42 TC 3 78 3 60 3 39 3 12 CM 1 14 1 23 1 33 1 47 23 SHC 1 56 1 48 1 39 1 27 21 25 SHC 1 79 1 71 1 61 1 50 27 SHC 2 01 1 93 1 84 1 72 29 SHC 2 24 2 16 2 0...

Page 31: ...0 3 87 3 70 31 SHC 4 47 4 36 4 22 4 05 TC 5 25 5 00 4 70 4 33 CM 1 81 1 94 2 12 2 37 21 SHC 2 31 2 20 2 06 1 90 19 23 SHC 2 67 2 55 2 42 2 25 25 SHC 3 02 2 91 2 77 2 61 27 SHC 3 38 3 26 3 13 2 96 29 SHC 3 73 3 62 3 48 3 32 31 SHC 4 09 3 97 3 84 3 67 TC 5 57 5 30 4 98 4 58 CM 1 86 1 99 2 18 2 43 23 SHC 2 28 2 16 2 03 1 87 21 25 SHC 2 63 2 52 2 38 2 22 27 SHC 2 99 2 87 2 74 2 58 29 SHC 3 34 3 23 3 0...

Page 32: ...1 4 90 4 63 31 SHC 5 68 5 50 5 28 5 02 TC 7 35 7 00 6 58 6 06 CM 2 37 2 54 2 78 3 09 21 SHC 3 34 3 16 2 94 2 68 19 23 SHC 3 73 3 54 3 32 3 06 25 SHC 4 11 3 92 3 71 3 45 27 SHC 4 49 4 31 4 09 3 83 29 SHC 4 88 4 69 4 48 4 22 31 SHC 5 26 5 07 4 86 4 60 TC 7 79 7 42 6 97 6 42 CM 2 44 2 62 2 86 3 17 23 SHC 3 29 3 11 2 89 2 64 21 25 SHC 3 67 3 49 3 28 3 02 27 SHC 4 06 3 87 3 66 3 41 29 SHC 4 44 4 26 4 0...

Page 33: ...nditions Indoor Air Temperature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B Indoor Unit SAP K122A Outdoor Unit SAP C122A Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 220 240V Single phase 50Hz Rating Conditions Running Amps A 0 17 0 18 0 24 0 25 3 49 3 47 3 9 3 9 Power Input kW 0 034 0 040 0 052 0 060 0 754 0 830 0 84 0 93 Full Load Conditions Running...

Page 34: ...erature 32 C D B 23 C W B Outdoor Air Temperature 43 C D B Indoor Unit SAP K252A Outdoor Unit SAP C252A Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 220 240V Single phase 50Hz Rating Conditions Running Amps A 0 37 0 38 0 48 0 50 8 65 9 22 9 5 10 1 Power Input kW 0 070 0 073 0 105 0 119 1 825 1 938 2 00 2 13 Full Load Conditions Running Amps A 0 37 0 38 0 48 ...

Page 35: ...tric Wiring Diagrams To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Indoor Unit SAP K92A Outdoor Unit SAP C92A SAP C92A SAP K92A ...

Page 36: ...33 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Indoor Unit SAP K122A Outdoor Unit SAP C122A SAP C122A SAP K122A ...

Page 37: ...34 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Indoor Unit SAP K182A Outdoor Unit SAP C182A SAP C182A SAP K182A ...

Page 38: ...35 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts WARNING Indoor Unit SAP K252A Outdoor Unit SAP C252A SAP C252A SAP K252A ...

Page 39: ...it within the maximum elevation difference H above or below the outdoor unit and within a total tubing length L from the outdoor unit as detailed Table 1 and Fig 2a Indoor Unit 5 cm min 5 cm min 5 cm min INDOOR UNIT K92 K122 Front View 15 cm min 15 cm min 15 cm min INDOOR UNIT K182 K252 Front View Fig 1 INDOOR UNIT Tubing length L OUTDOOR UNIT Elevation difference H Fig 2a Fig 1 WARNING Table 1 If...

Page 40: ...to reduce humidity and protect the unit against possible water damage and decreased service life Fig 5 use lug bolts or equal to bolt down unit reducing vibration and noise Outdoor Unit Outdoor unit Hot air Heat source Exhaust fan Fig 3 NO Fig 3 Air intake Min 10 cm Air discharge Min 5 cm Min 40 cm Valve side Min 25 cm Top View Air intake Concrete or equal About 10 cm Min 10 cm Anchor bolts 4 pcs ...

Page 41: ...unit pull it from the holder When using the remote control unit Point the transmission portion of the remote control unit at the receiver area of the indoor unit when operating the remote control unit and during operation of the air conditioner Do not place objects which may block the transmitted signals between the receiver and the remote control unit When mounting the remote control unit to prev...

Page 42: ...re 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 WARNING WARNING CAUTION WIRING SYSTEM DIAGRAM INDOOR UNIT OUTDOOR UNIT Terminal Terminal Power line Control line 1 4 2 1 4 2 5 6 B A Grounding line Power supply 50 Hz 1 phase 220 240 VAC Grounding line 7 3 Recommended Wire Length and Diameter A B A Power Supp...

Page 43: ...t 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 minutes or more of compressor operation Thermo ON When the room temperature is above T 1 C T C is set temperature Compressor ON Thermo OFF When the room temperature is equal to or below set temperature T C Comp...

Page 44: ...or more and the temperature of the indoor heat exchange coil falls below 1 C the control circuit stops the compressor for at least 6 minutes The compressor does not start again until the temperature rises above 8 C or 6 minutes has elapsed ON ON ON ON OFF OFF Set speed More than 10 minutes 6 minutes T 1 C Indoor heat exch coil temp 1 C Compressor Indoor fan Room temp Thermo OFF Thermo ON Set temp ...

Page 45: ... automatically according to the outdoor temperature If the outdoor air temperature falls below 28 5 C the fan speed switches to LOW If the outdoor air temperature rises above 31 5 C the fan speed switches to HIGH This function does not become active in heating operation H H L 31 5 28 5 Outdoor air temperature C Outdoor fan speed ...

Page 46: ...ndoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly connected Check that wiring is correct Grounding line OUTDOOR UNIT INDOOR UNIT 1 2 4 1 2 4 5 5 Power line 5P Terminal 5P Terminal Grounding line INDOOR UNIT OUTDOOR UNIT Terminal Terminal Power line Control line 1 4 2 1 4 2 5 6 Grounding line Power supply 50 Hz 1 phase 220 240 VA...

Page 47: ...arts in indoor unit 1 Remove both power supply wires and inter unit wires from terminal plate in outdoor unit Measure insulation resistance of outdoor unit 2 Remove inter unit wires from terminal plate in indoor unit Measure insulation resistance of indoor unit Insulation of outdoor unit is defective Insulation of indoor unit is defective WARNING 1 Indoor unit Ground 1 2 Outdoor unit 2 1 Circuit b...

Page 48: ...ck for residue buildup on transmitter of remote control unit Check for residue buildup on remote control receiver on front of indoor unit Clean receiver Does not run NO Check power supply Power is being supplied to the outdoor unit Circuit breaker is tripped Power failure Reset breaker Wait for recovery or contact power company Replace with suitable one larger capacity NO Check capacity of circuit...

Page 49: ... lamp to see if light is ON Light is OFF Measure resistance of primary and secondary winding of transformer TR Indoor PCB Ass y or switch Ass y is defective OK OK Measure resistance of indoor and or fan motor winding FM Measure resistance of compressor motor winding CM OK Measure coil resistance of power relay PR Replace the fuse If fuse has been blown Measure resistance of primary and secondary w...

Page 50: ...oor unit OK Measure coil resistance of power relay Check indoor PCB Ass y PR OK NO Is room temperature too low Try to lower setting temperature by temperature setting button button Outdoor unit still does not run Remote control unit is defective Try to run using another remote control unit 47 ...

Page 51: ...istance of outdoor fan motor winding Check fan motor capacitor Fan cannot 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 or replace Measure resistance of indoor fan motor winding Check fan motor capacitor OK Measure resistance of indoor fan motor w...

Page 52: ...mostat in outdoor unit 23S Measure resistance of flap motor winding FLP Check compressor motor capacitor Measure resistance of compressor motor winding NO YES YES Either internal protector or overload relay is working YES Temperature of compressor is abnormally high Refrigerant gas shortage Charge refrigerant gas R22 Rotor may be locked up Measure Power supply voltage The voltage is too low No 49 ...

Page 53: ...h approx 10 deg or more Possibility of gas shortage YES Check position of remote control unit Cool air from air conditioner reaches position directly Change position of remote control unit Wide and narrow tubes between indoor unit and outdoor unit are insulated Insulate both wide and narrow tubes separately and then tape together Measure temperature of suction and discharge air of air conditioner ...

Page 54: ...minum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate Fig 2 10 1 4 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate capacitor etc Similarly disconnect the...

Page 55: ...s and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Fuse ...

Page 56: ... Once changed you cannot restore the original address setting of the remote control unit To Change Address on PCB Ass y 1 Cut jumper wire JP02 or JP11 depending on the indoor unit PCB Use cutting pliers to cut and disconnect the Jumper wire To Change Address on Remote Control Unit Remove the batteries before changing the address ACL button 2 When it is removed the address is auto matically set to ...

Page 57: ... K122A Remote Control Unit NOTE The illustration above pictures the remote control unit after the cover has been lowered and removed Transmitter ON OFF operation button TEMP setting buttons ECONOMY button Battery compartment Pull off the cover to expose the batteries ACL button A C SENSOR button TIMER ON button TIMER OFF button TIMER SET button which advances the time displayed Cover closed Displa...

Page 58: ...SANYO Electric Co Ltd Osaka Japan SM700569 Sept 2003 50 Printed in Japan ...

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