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8-2. Dry Operation (Dehumidification)

Dry operation uses the ability of the cooling cycle to remove moisture from the air, but by running at low level to

dehumidify without greatly reducing the room temperature. The air conditioner repeats the cycle of turning ON

and OFF automatically as shown in the chart below according to the room temperature.

Intermittent ventilation occurs by switching the indoor fan speed between L 

LL.

Dry operation does not occur when the room temperature is under 15°C, which is the monitor zone.

When the compressor stops, the indoor fan stops as well.

8-3. Automatic Switching between Cooling and Heating

When  AUTO mode is selected, the microprocessor calculates the difference between the set temperature and

the room temperature, and automatically switches to COOLING or HEATING mode to maintain the desired

temperature.

Room temp. 

Set temp. 

COOL

Room temp. < Set temp. 

HEAT

This means that if the room temperature is higher than or equal to the set temperature, COOLING operation

begins. If the room temperature is lower than the set temperature, HEATING operation begins.

NOTE

Room temp.

Cooling operation

T+2 

°

C

Set temp. T 

°

C

T–1 

°

C

Monitor zone

Both the indoor and outdoor units stop.

Room temp. 15 

°

C

Dry A zone

Compressor :

FMI (indoor fan) :

 Continuous operation

L (low speed) / LL (very low speed) intermittent ventilation 
only while the compressor is ON.

Dry B zone

Compressor :

FMI (indoor fan) :

Intermittent operation (ON for 3 minutes and OFF for 9 minutes)

L (low speed) / LL (very low speed) intermittent ventilation 
only while the compressor is ON.

22

Содержание 185208378

Страница 1: ...EFERENCE NO SM700568 Indoor Unit Outdoor Unit SPLIT SYSTEM AIR CONDITIONER SAP K302AH SAP C302AH Outdoor Model No Product Code No SAP C302AH S 1 852 084 19 Indoor Model No Product Code No SAP K302AH S 1 852 083 78 Destination Australia Destination Australia ...

Страница 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 unit s weight It may be necessary to construct a st...

Страница 3: ...8 1 Room Temperature Control 20 8 2 Dry Operation 22 8 3 Automatic Switching between Cooling and Heating 22 8 4 Freeze Prevention 23 8 5 Overload Prevention 23 8 6 Cold draft Prevention 24 8 7 Defrosting Operation 25 8 8 Outdoor Fan Speed Control 27 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting 28 9 2 Air conditioner does not operate 29 9 3 Some part of air conditioner does not oper...

Страница 4: ...ANGE 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 8 C D B 9 C W B ...

Страница 5: ... Timer 1 hour OFF 12 hour ON or OFF 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 2 800 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 47 42 38 47 41 38 Outdoor Hi dB A 54 54 Refrigerant tubing connections Flare ty...

Страница 6: ...nal output W 30 Coil resistance Ambient temp 20 C Ω WHT BRN 103 3 WHT VLT 32 5 VLT ORG 75 5 ORG YEL 28 6 YEL BLK 18 9 BLK PNK 48 0 Safety Type Thermal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capacitor µF 1 0 VAC 440 Type Stepping motor Model Q ty MP24GA2 2 Rating DC 12 V Coil resistance Ambient temp 20 C kΩ Each terminals 1 2 1 3 1 4 1 5 400 7 Coil Aluminum plat...

Страница 7: ...g amp Ambient temp 25 C Run capacitor Q ty µF 35 0 2 VAC 400 2 Crank case heater 240V 25W Type Propeller Q ty Dia mm 1 ø 460 Fan motor model Q ty KFC6S 91D5P S 1 No of poles Cool Heat rpm High 6 780 760 Nominal output W 90 Coil resistance Ambient temp 20 C Ω WHT BRN 129 0 WHT YEL 57 4 YEL PNK 22 1 Safety Type Thermal protector devices Operating temp Open C 130 8 Close Automatic reclosing Run capac...

Страница 8: ...Resistance kΩ 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 4 way Valve RV CHV 01AJ504D1 Coil STF 03U1 Valve Coil rating AC 220 240V 50Hz 6W Outdoor Unit SAP C302AH 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 I Rating Primary AC 230V 50 60Hz Secondary 19V ...

Страница 9: ...ONAL DATA Indoor Unit SAP K302AH 174 Center of tubing hole 2 places Narrow tube ø9 52 3 8 Wide tube ø15 88 5 8 228 48 135 330 1 140 48 Drain hose ø18 Remote control unit 22 2 14 59 7 64 6 140 10 37 6 69 5 Unit mm ...

Страница 10: ... mm Hole for anchor bolt ø13 Narrow tube service valve ø9 52 3 8 Wide tube service valve ø15 88 5 8 Refrigerant tubing outlet Inter unit wiring outlet Power supply wiring outlet 400 380 20 50 50 340 110 660 170 1 6 5 4 3 2 1 6 5 5 4 4 3 2 6 Unit mm ...

Страница 11: ...sulation 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 Indoor Unit SAP K302AH Outdoor Unit SAP C302AH Compressor 4 way valve Accumulator Wide tube service valve Wide tube O D ø15 88 mm 5 8 Narrow tube service valve ...

Страница 12: ...p C Operating current A 19 Outdoor fan speed High Low Low 17 16 15 14 13 12 11 10 9 9 5 0 5 10 15 20 Outdoor inlet air D B temp C Operating current A 25 18 19 27 15 20 27 15 20 Indoor inlet air D B temp C Indoor inlet air D B temp C Indoor inlet air D B temp C Indoor inlet air D B temp C Outdoor fan speed High Low Outdoor fan speed High 32 27 21 32 27 21 High Overload prevention operates to protec...

Страница 13: ...ing Horizontal distance 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 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 10 Indoor Unit SAP K302AH ...

Страница 14: ...SHC 6 35 6 16 5 93 5 65 31 SHC 6 87 6 67 6 44 6 16 TC 8 40 8 00 7 52 6 92 CM 2 69 2 88 3 08 3 29 21 SHC 3 75 3 56 3 33 3 06 19 23 SHC 4 26 4 07 3 84 3 57 25 SHC 4 78 4 58 4 35 4 08 27 SHC 5 29 5 09 4 86 4 59 29 SHC 5 80 5 60 5 38 5 10 31 SHC 6 31 6 11 5 89 5 61 TC 8 90 8 48 7 97 7 34 CM 2 76 2 96 3 17 3 38 23 SHC 3 70 3 50 3 28 3 01 21 25 SHC 4 21 4 01 3 79 3 52 27 SHC 4 72 4 53 4 30 4 03 29 SHC 5...

Страница 15: ... 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 Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air c...

Страница 16: ...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 Fan Motor Fan Motor Compressor Performance at 240V Single phase 50Hz Rating Conditions Running Amps A 0 330 0 660 11 01 12 0 Power Input kW 0 072 0 146 2 632 2 85 Full Load Conditions Running Amps A 0...

Страница 17: ...ng any electrical parts WARNING Indoor Unit SAP K302AH TRANS 1 2 4 5 6 7 8 C B P Controller PCB Ass y Power transformer Fan motor capacitor Terminal plate Room thermistor Coil thermistor Indicator lamp Ass y Upper flap motor Lower flap motor GREEN MAKE on lower flap motor Grille air outlet Side View Indoor Electrical Compornent Box ...

Страница 18: ...oor Unit SAP C302AH Terminal plate 8P Terminal plate 3P Compressor motor capacitor C1 Compressor motor capacitor C2 Power relay Fan motor capacitor Controller PCB Ass y Clamp Fuse 250V 20A Outdoor Electrical Compornent Box Parts Layout in Outdoor Unit Compressor Fan motor Heat exchenger coil Coil thermistor 4 way valve coil Air thermistor ...

Страница 19: ...aintenance as well as unrestricted air flow around the unit Fig 1 install the unit 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 15 cm min 15 cm min 15 cm min INDOOR UNIT Front View INDOOR UNIT Tubing length L OUTDOOR UNIT Elevation difference H Fig 2 Fig 2a Fig 1 WARNING...

Страница 20: ... a minimum of 10 cm above ground level 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 Fig 3 Min 1 cm Min 1 cm Min 50 cm Min 10 cm Air in Air in Air discharge Anchor bolts 4 pieces Min 10 cm Min 2 m Min 2 m Obst...

Страница 21: ...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...

Страница 22: ...d to touch refrigerant tubing the compressor or any moving part To avoid the risk of electric shock each air conditioner unit must be grounded 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 WARNING WARNING CAUTION WIRING SYSTEM DIAGRAM 2 4 2 4 1 1 INDOOR UNIT 5 6 7 6 7 5 Terminal OUTDOOR UNIT B Power...

Страница 23: ...erant 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 ...

Страница 24: ... 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 below T 1 C T C is set temperature Compressor ON Thermo OFF When the room temperature is equal to or above set temperature T C Compressor OFF 1 Refer to 8 6 Cold Draft Prevention NOTE 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minu...

Страница 25: ... calculates the difference between the set temperature and the room temperature and automatically switches to COOLING or HEATING mode to maintain the desired temperature Room temp Set temp COOL Room temp Set temp HEAT This means that if the room temperature is higher than or equal to the set temperature COOLING operation begins If the room temperature is lower than the set temperature HEATING oper...

Страница 26: ...ng of the indoor heat exchange coil When the temperature of the indoor heat exchange coil rises above 55 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 exchange coil rises above 57 C the outdoor fan stops ON ON OFF ON H or M or L H H M M L M 57 55 48 45 Indoor heat exch coil temp C Outdoor fan Indoor fan ...

Страница 27: ... exchange coil have sufficiently warmed up As shown in the chart below indoor fan speed automatically changes depending upon indoor coil temperature STANDBY lamp on front of the indoor unit lights up when this function is working Compressor Set speed LL LL ON OFF OFF ON ON Indoor fan Standby lamp Indoor heat exch coil temp 35 C 20 C OFF 25 C 24 ...

Страница 28: ...defrost zone on next page Air conditioner operates with outdoor heat exchanger temperature lower than L1 for 3 minutes Integrated operating time of compressor is longer than 20 minutes Defrosting operation lasts 12 minutes maximum Outdoor heating exchanger temp is over 12 C 150 seconds has elapsed from defrosting start Compressor ON Outdoor fan OFF 4 way valve OFF Indoor fan Cold draft prevention ...

Страница 29: ...18 19 L1 L2 Outdoor air temperature C Outdoor heat exchange coil temperature C 3 1 0 1 3 5 7 9 11 13 ON ON ON ON ON ON ON ON OFF OFF OFF 60 seconds Max 12 minutes 60 seconds Start of defrosting Release of defrosting OFF Compressor Outdoor fan Solenoid coil 4 way valve 2 seconds 2 seconds 26 ...

Страница 30: ...re falls below 29 C the fan speed switches to LOW If the outdoor air temperature rises above 31 C the fan speed switches to HIGH Heating If the outdoor air temperature rises above 20 C the fan speed switches to LOW If the outdoor air temperature falls below 16 C the fan speed switches to HIGH H H L 20 16 Outdoor air temperature C Outdoor fan speed H H L 31 29 Outdoor air temperature C Outdoor fan ...

Страница 31: ...is in specified range 10 of the rating Check that power is being supplied 9 1 4 Check lead wires and connectors in indoor 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 1 2 4 5 6 7 1 2 4 5 6 7 Indoor unit Outdoor unit Ground Inter unit power wiring Ground 1 2 4 5 6 7 8 8 Power supply 1 phase 5...

Страница 32: ...O Set circuit breaker to OFF Measure insulation resistance of electrical parts 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 uni...

Страница 33: ...tor switch to ON Switch Ass y or indoor PCB Ass y is defective 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 breaker Capacity of circuit breaker is suitable Measure resistance of outdoor fan motor winding Measur...

Страница 34: ... and secondary winding of transformer TR Indoor PCB Ass y or switch Ass y is defective OK OK Measure resistance of indoor and outdoor fan motor winding FM Measure resistance of flap motor winding FLP OK Measure resistance of power relay PR Replace the fuse If fuse has been blown OK Try to run with another remote control unit First remote control unit is defective Check for residue buildup on trans...

Страница 35: ...ltage appears Outdoor PCB Ass y is defective OK 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 COOL OK NO Is room temperature too high Try to raise setting temperature by temperature setting button button Outdoor unit still does not ...

Страница 36: ...y Refer to 8 8 Outdoor Fan Speed Control Check air sensor in outdoor unit Measure resistance of flap motor winding 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 c...

Страница 37: ...or is abnormally high Refrigerant gas shortage Charge refrigerant gas R22 Rotor may be locked up C1 or C2 Measure Power supply voltage The voltage is too low No 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...

Страница 38: ... defective Check voltage between terminals No 4 and No 6 at terminal plate DC 24V No voltage appears Outdoor PCB Ass y is defective OK Remote control unit may be defective Measure resistance of 4 way valve s winding Receiver in switch Ass y may be defective COOl HEAT Check voltage between terminals No 4 and No 6 at terminal plate 0V HEAT COOL 35 ...

Страница 39: ...Possibility of gas shortage YES Check position of remote control unit Cool or warm 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 Charge refrigera...

Страница 40: ...tor is short the air conditioner will be in the following conditions as the controller tries to detect extremely high room temperature a In Cooling mode The air conditioner continues to operate Thermo ON Both the outdoor fan and compressor do not stop As a result the room becomes too cold b In Heating mode The air conditioner soon stops and will not start again Thermo OFF Neither outdoor fan nor c...

Страница 41: ... metallic part of the unit 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 con...

Страница 42: ... 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 P...

Страница 43: ...nged you cannot restore the original address setting of the remote control unit To Change Address on PCB 1 Cut jumper wire JP11 on the indoor unit PCB Use cutting pliers to cut and disconnect the Jumper wire 2 Switch the address switch on the remote control unit to B position 3 After inserting the batteries press reset button To Change Address on Remote Control Unit Remove the batteries before cha...

Страница 44: ...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 Display FLAP button 1 HR TIMER button MODE operation button FAN SPEEDselector button ADDRESS switch Sensor OPERATION TIMER ON OFF TEST STANDBY OPERATION lamp TIMER lamp Remote control rece...

Страница 45: ...SANYO Electric Co Ltd Osaka Japan SM700568 Sep 2003 50 Printed in Japan ...

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