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Vivax ACP-09CH25GECI, Service Manual

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Vivax ACP-09CH25GECI Service Manual Download Page 22

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Detect malfunctions of temperature sensor at 

(2) Indoor pipe temperature sensor  

In defrosting period, the temperature sensor malfunction will not be detected. 5 min after finishing defrosting, the system beg ins to detect the temperature 

The temperature sensor overheats. In this case, the complete unit will stop for protection. At the same time, the temperature p rotection and temperature  

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Outline 

Fan control is carried out according to the following priority. 

1. Fan ON control for electric component cooling fan 

2. Fan control when defrosting 

3. Fan OFF delay when stopped 

4. ON/OFF control in cooling operation 

5. Tap control when drooping function is working 

6. Fan control in forced operation 

7. Fan control in indoor/outdoor unit silent operation 

8. Fan control in powerful mode 

9. Fan control in normal operation 

Detail 

Fan OFF Control when Stopped 

* Fan OFF delay for 60 seconds must be made when the compressor is stopped. 

Tap Control in indoor/outdoor unit silent operation

1. When Cooling Operation 

When the outdoor air temperature is lower than 99°F, the fan tap must be set to L. 

2. When Heating Operation 

When the outdoor air temperature is higher than 39°F, the fan tap must be turned to L (only for heat pump model).

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Summary of Contents for ACP-09CH25GECI

Page 1: ...ACP 09CH25GECI ACP 12CH35GECI Service manual ENG RoHS ...

Page 2: ......

Page 3: ...FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT ACP 09CH25GECI I ACP 12CH35GECI I ACP 12CH35GECI O ACP 09CH25GECI I ...

Page 4: ... repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lead to overheating and a possible fire hazard Make sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside Make sure the ceiling wall is strong ...

Page 5: ...ACP 09CH25GECI ACP 09CH25GECI I ACP 12CH35GECI ACP 12CH35GECI I ...

Page 6: ...ACP 09CH25GECI O ACP 12CH35GECI O ...

Page 7: ...2 3 4 5 6 7 8 0 20 40 60 80 100 120 Condition Indoor DB 20 Indoor air flow Super High Pipe length 5m Compressor Speed rps 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 o i t a r y t i c a p a C Condition Indoor DB27 WB19 Indoor air flow Super High Pipe length 5m 0 20 40 60 80 100 120 15 10 5 0 5 10 o i t a r y t i c a p a C Condition Indoor DB20 Indoor air flow Super High Pip...

Page 8: ... RI DLU SLSH FRQQHFWLQJ LQGRRU DQG RXWGRRU XQLW 7HPSHUDWXUH FRQGLWLRQ 0RGHO QDPH 6WDQGDUG SUHVVXUH QGRRU IDQ PRGH USP 2XWGRRU IDQ PRGH USP RPSUHVVRU 5HYROXWLRQ USV QGRRU 2XWGRRU 3 03D a a 7HPSHUDWXUH FRQGLWLRQ 0RGHO QDPH 6WDQGDUG SUHVVXUH QGRRU IDQ PRGH USP 2XWGRRU IDQ PRGH USP RPSUHVVRU 5HYROXWLRQ USV QGRRU 2XWGRRU 3 03D a a 40 50 30 20 Indoor side noise when blowing Indoor fan motor rotating spe...

Page 9: ... RQVWUXFWLRQ 9LHZV RQVWUXFWLRQ 9LHZV QGRRU 8QLW 8QLW PP ...

Page 10: ...710 658 275 550 318 470 299 Model ACP 12CH35GECI O Model ACP 09CH25GECI O ...

Page 11: ...NSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumulator Discharge Suction Muffler 4 Way valve Capillary r e n i a r t S r e n i a r t S RROLQJ 0RGHOV T I N U R O O D T U O T I N U R O O D N I HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING Accumulator Discharge Suction Muffler Capillary r e n i a r t ...

Page 12: ...8 8 5 5 1 2 5 1 3527 7 9 57 2XWGRRU 8QLW L1 REACTOR WH WHITE PCB1 PCB2 PRINTED CIRCUIT BOARD YE YELLOW S10 S11S40 S70 S80 S90 CONNECTOR RD RED SAT OVERLOAD BN BROWN COMP COMPRESSOR BU BLUE PROTECTIVE EARTH BK BLACK YEGN YELLOW GREEN ORANGE OG Symbol Parts name Symbol Color symbol L N 2 XT 3 RROLQJ 0RGHOV OHFWULFDO LULQJ ...

Page 13: ... L N 2 XT 3 2XWGRRU 8QLW the voltage of terminal DC and DC at risk of electrical shock PCB2 is higher than 30V to prevent the Please don t touch any terminal when WARNING 3 2 PE W V U RROLQJ 0RGHOV RROLQJ HDWLQJ 0RGHOV ...

Page 14: ...FW WR FKDQJH ZLWKRXW QRWLFH SOHDVH UHIHU WR WKH RQH VXSSOLHG ZLWK WKH XQLW U V W 2 3 WARNING Please don t touch any terminal when PCB2 is higher than 30V to prevent the risk of electrical shock the voltage of terminal DC and DC at RROLQJ HDWLQJ 0RGHOV ...

Page 15: ...ace of live wire of cold plasma Interface of neutral wire of cold plasma Interface of indoor fan Interface for feedback of indoor fan Interface of communication wire Interface of input live wire Interface of pipe temp sensor Interface of ambient t emp sensor Interface of motor Interface of capacitor of fan Interface of display device ...

Page 16: ... 4 No Name 1 Fan motor 2 4 way valve 3 Compressor electric heating 4 Chassis electric heating 5 Communication wire 6 Overload protection 7 Electric expansion valve 8 Low pressure valve 9 Temperature sensor 10 Compressor 11 Induction lead out wire 2 12 Induction lead out wire 1 ...

Page 17: ...et timer ON timer OFF TURBO SLEEP LIGHT Press it to turn on off the light MODE icon If MODE button is pressed current operation mode icon AUTO COOL DRY FAN or HEAT is only for heat pump models will show LOCK icon is displayed by pressing and buttons simultaneously Press them again to clear the display LIGHT icon is displayed by pressing the LIGHT button Press LIGHT button again to clear the displa...

Page 18: ... to increase set temperature Hold it down for above 2 seconds to rapidly increase set temperature In AUTO mode set temperature is not adjustable Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrease set temperature In AUTO mode set temperature is not adjustable FAN This button is used for setting fan speed in the sequence that goes from AUTO to then bac...

Page 19: ... temperature in shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed SLEEP Press this button to go into the SLEEP operation mode Press it again to cancel this function This function is available in COOL HEAT Only for models with heating function or DRY mode to maintain the most comfortabl...

Page 20: ...the horizontal louverrotates to level L the indoor fan will stop after running for 60s at setting speed In this mode the system selects the operation mode cooling heating and fan automatically according to the ambient temperature The display shows the actual operation mode and setting temperature There will be 30s delay for mode conversion The protection function is the same as that of other modes...

Page 21: ...hen the unit is off the unit will keep off state even though the setting time is reached If the timer off function is set when the unit is on the unit will stop running when the set time is reached Timer modification when the unit is under timer state start or stop of the unit can be set via remote ON OFF button and the timer can be reset The unit runs according to the latest set state When both t...

Page 22: ...tric component cooling fan 2 Fan control when defrosting 3 Fan OFF delay when stopped 4 ON OFF control in cooling operation 5 Tap control when drooping function is working 6 Fan control in forced operation 7 Fan control in indoor outdoor unit silent operation 8 Fan control in powerful mode 9 Fan control in normal operation Detail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be ma...

Page 23: ...ration Indoor fan will operate at low speed 2 In this mode 4 way valve will not be energized Temperature set range is 16 30 C 3 Protection function it is the same as that of cooling mode ċ Heating Mode 1 Working Conditions and Process 1 When Tindoor amb Tindoor compensation Tpreset 2 C the unit will start heating operation In that case compressor outdoor fan and 4 way valve will operate Indoor fan...

Page 24: ... again Once compressor starts up it will not stop operation due to change of temperature within 6 minutes 3 Compressor Discharge Temperature Protection 1 When Tdischarge 98 C frequency is forbidden to increase 2 When Tdischarge 103 C compressor decreases frequency 3 When Tdischarge 110 C compressor stops operation 4 When Tdischarge 90 C protection will be released 4 Communication malfunction if co...

Page 25: ...ressor stops operation if Toudoor amb 5 C for continuous 5s electric heating band of compressor will operate If detecting that Toutdoor amb 2 C electric heating band will not operate If 5 C Toutdoor amb 2 C electric heating band of compressor will keep its previous status 2 Control of condenser electric heating band ķWhen Toutdoor ambient 1ć condenser electric heating band starts working ĸWhen ent...

Page 26: ...ight and vibration of the unit And will not increase the noise 5 Be sure to leave enough space to allow access for routine maintenance The height of the installed location should be 250cm or more from the floor 6 Select a place about 1m or more away from TVset or any other electric appliances 7 Select a place where the filter can be easily taken out 8 Make sure that the indoor unit installation sh...

Page 27: ... Use the piping kit accessory or pipes purchased locally 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than the measured distance 4 Cut the cable 1 5m longer than the pipe length Recommended mounting plate retention spots and dimensions 770 Use tape measure as shown Position the end of a tape measure at Keep here the piece cut out from the unit for ...

Page 28: ...ure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Attach the Insulation Drain hose to the drain hose CAUTION Indoor unit tubing Flare nut Pipes Wrench Indoor unit tubing Open end wrench fixed Connection pipe Flare nut mm inch kg m Φ6 35 1 4 1 8 Φ9 52 3 8 4 2 Φ12 7 1 2 5 5 Φ15 88 5 8 6 6 Φ19 05 3 4 6 6 Outsi...

Page 29: ...iers etc For left outlet piping cut off the piping outlet cutting groove with a hacksaw CAUTION 1 In order to align the drain hose and drain cap be sure to insert securely and vertically Incline inser tion will cause water leakage 2 When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage 3 After removing drain ...

Page 30: ...in pan and make sure that the water is being drained outside Caution Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating opera tions is drained off efficiently If a centralized drain is required when installing the unit on a balcony...

Page 31: ...alve at gas side Service port Valve core Setting pin Connecting pipe Handle Lo Charge hose For R410A only 101kPa 76cmHg Vacuum pump 1 Strip the insulation from the wire 20mm 2 Connect the connection wires between the indoor and outdoor units so that the terminal numbers match Tighten the terminal screws securely The screws are packed with the terminal board 1 Check that all tubing and wiring have ...

Page 32: ......

Page 33: ...Models ACP 09CH25GECI I ACP 12CH35GECI I ...

Page 34: ...is ACP 09CH25GECI I ACP 12CH35GECI I ...

Page 35: ...Model ACP 09CH25GECI O ...

Page 36: ...is ACP 09CH25GECI O ...

Page 37: ...Model ACP 12CH35GECI O ...

Page 38: ...is ACP 12CH35GECI O ...

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Page 40: ...circuit F3 3 6 Outdoor tube sensor open or short circuit F4 4 4 Exhaust sensor open or short circuit F5 5 7 Overload limit drop frequency F6 6 3 Over current limit drop frequency F8 8 1 High exhaust temperature limit drop frequency F9 9 2 Anti freezing limit drop frequency FH 2 2 4 Defrosting H1 1 2 Compressor overload protection H3 3 8 IPM protection H5 5 4 Module temperature is too high H5 5 10 ...

Page 41: ...rror Adjust wiring Outdoor electric box error indoor and outdoor wiring error Replace main board of indoor unit Replace outdoor electric box Replace indoor and outdoor wiring Remove malfunction 2 Indoor fan does not rotate and there is no feedback Main detection point Malfunction diagnosis process Is the control panel reliably connected with the motor Is it loose Is the connecting sequence correct...

Page 42: ...necting state of the connecting terminal Reliable connection Replace main board of indoor unit Remove the error Adjust connecting state remove the error Replace motor Finish Energize the unit and start it Indoor unit display F1 F2 Indoor unit display F4 F5 Check connecting state of outdoor temperature sensor Reliable connected Replace Tesmepnesroar ture Sensor Remove error Replace parts of outdoor...

Page 43: ... Replace compressor finish 5 Diagnosis of losing synchronism for compressor Main detection points Is pressure of the system too high Is voltage too low Malfunction diagnosis process Adjust connecting wire Losing synchronism upon startup of the unit Is the stop time of compressor more than 3min Is wire of compressor well connected Replace parts of outdoor electric box Remove error Replace compresso...

Page 44: ...or unit 20min after de energization of complete unit Is electric expansion valve well connected Is overload wire reliably connected Replace electric expansion valve Remove malfunction Replace parts of outdoor electric box Remove malfunction Refrigerant leakage recharge the refrigerant Finish Adjust connecting wire E6 communication error is displayed Is connecting wire reliably connected Replace ma...

Page 45: ...charging cylinder n e p O n e p O n e p O with charging cylinder n e p O n e p O n e p O n e p O Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Flare nut To piping connection To...

Page 46: ... handle of gauge manifold Check the flare connections for gas leakage 6 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 7 Set the 3 way valve to the back seat 8 Mount the valve stem nuts to the 2 way and 3 way valves 9 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s stem nuts and from the service port nut CAUTION If gas...

Page 47: ...of the 3 way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the 3 way valve to the closed positi...

Page 48: ... closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and discharge the refriger ant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylinder and set the Liquid...

Page 49: ...ischarge the refrigerant until the gauge indi cates 0 kg cm 2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too suddenly the r...

Page 50: ... while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn off ...

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Page 56: ...U clamp 5HPRYH VKDIW FXVKLRQ UXEEHU EDVH 5HPRYH VFUHZV RI PRWRU clamp and then remove Whe motor clamp MRWRU clamp 6KDIW FXVKLRQ UXEEHU EDVH 5HPRYH PRWRU EODGH DQG VKDIW FXVKLRQ UXEEHU EDVH 5HPRYH VFUHZV RQ FURVV ÀRZ EODGH DQG WKHQ UHPRYH WKH PRWRU SFUHZ ...

Page 57: ...valve cover has 6 hooks 1 Loosen the 3 screws front right left and lift the top panel 1 Big handle 2 Remove top panel Top panel Remove the connection screw fixing the big handle and then remove the handle Model ACP 12CH35GECI O ...

Page 58: ...Front panel Axial flow fan Fan motor Lift the front panel and remove it while pushing the right side panel inwards Remove the 5 screws from the edge between right side board and condenser and from valve Lift to remove the right side plate Remove the screws of the fan by wrench and then remove the axial flow fan and fan motor 4 Remove right side plate 3 Remove grille and front panel Grille Right si...

Page 59: ...xing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift to remove the motor support Re move the 2 screws fixing the cover of electric box Lift to remove the cover Remove the screws fixing the electric box subassembly Loosen the wire and disconnect the termina Lift to remove the electric box subassembly Remove the 3 screws fixing the ...

Page 60: ...blanket inner out Since the piping ports on the sound blanket are torn easily remove the blanket carefully Loosen the screw of the four way valve coil Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to break the pipes by pressing it excessively by pliers when withdrawing it Caution Caution Caution Caution Caution Be careful ab...

Page 61: ...ssary to warp the gas valve when soldering off the welding spot Remove the 2 screws fixing liquid valve Solder off the welding spot connecting liquid valve and remove the liquid valve Solder off the pipe connected with the compressor Remove the 3 footing screws of the compressor and remove the compressor 10 Remove compressor 4 way valve assy Capillary sub assy Compressor ...

Page 62: ... cover has 6 hooks Loosen the screw of the stop valve cover Pull down the stop valve cover and remove it 1 Loosen the 3 screws front right left and lift the top panel 1 2 Remove top panel Top panel Big handle Model ACP 09CH25GECI O ...

Page 63: ...ont panel and remove it while pushing the right side panel inwards Step Procedure Points Remove the 5 screws from the edge between right side board and condenser and from valve Lift to remove the right side plate Right side plate Remove the screws of the fan by wrench and then remove the axial flow fan and fan motor Fan motor 4 Remove right Discharge grille Front panel right side plate 3 Remove di...

Page 64: ...ing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift to remove the motor support Re move the 2 screws fixing the cover of electric box Lift to remove the cover Remove the screws fixing the electric box subassembly Loosen the wire and disconnect the termina Lift to remove the electric box subassembly Remove the 3 screws fixing the i...

Page 65: ...blanket inner out Since the piping ports on the sound blanket are torn easily remove the blanket carefully Loosen the screw of the four way valve coil Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to break the pipes by pressing it excessively by pliers when withdrawing it Caution Caution Caution Caution Caution Be careful ab...

Page 66: ...ecessary to warp the gas valve when soldering off the welding spot Remove the 2 screws fixing liquid valve Solder off the welding spot connecting liquid valve and remove the liquid Solder off the pipe connected with the compressor Remove the 3 footing screws of the compressor and remove the compressor 10 Remove compressor 4 way valve assy Capillary sub assy Compressor ...

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