Panasonic CS-25XKE Service Manual Download Page 1

© Panasonic Corporation 2021 

 

Order No: PAPAMY2107051CE 

 

 
 

 

Indoor Unit 

Outdoor Unit

CS-HZ25XKE 
CS-HZ35XKE 

CS-HZ25XKE-5 

CU-HZ25XKE
CU-HZ35XKE

CU-HZ25XKE-5

Destination

North Europe

 

 

  

WARNING

 

This service information is designed for experienced repair technicians only and is not designed for use by the general public. 
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. 
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service 
or repair the products dealt with in this service information by anyone else could result in serious injury or death.

 

 

 

 

 

  

CAUTION

 

R32 REFRIGERANT

 – This Air Conditioner contains and operates with refrigerant R32. 

THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL. 

Refer to National, State, Territory and local legislation, regulations, codes, installation & operation manuals, before the installation, 
maintenance and/or service of this product.

 

 

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by       in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of
manufacturer.

Summary of Contents for CS-25XKE

Page 1: ...nformation by anyone else could result in serious injury or death CAUTION R32 REFRIGERANT This Air Conditioner contains and operates with refrigerant R32 THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer to National State Territory and local legislation regulations codes installation operation manuals before the installation maintenance and or service of this product IMP...

Page 2: ...2 Indoor Fan Motor Operation 64 14 3 Outdoor Fan Motor Operation 65 14 4 Airflow Direction 66 14 5 Quiet Operation Cooling Mode Cooling Area of Dry Mode 67 14 6 Quiet Operation Heating 68 14 7 Powerful Mode Operation 68 14 8 Timer Control 68 14 9 Sleep Mode Operation 69 14 10 Auto Restart Control 70 14 11 Indication Panel 70 14 12 8 15 C Heat Operation 71 14 13 nanoe X Operation 72 14 14 Wireless ...

Page 3: ...dren it may cling to nose and mouth and prevent breathing 8 When installing or relocating air conditioner do not let any substance other than the specified refrigerant eg air etc mix into refrigeration cycle piping Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion injury etc 9 Do not pierce or burn as the appliance is pressurized Do not expose the a...

Page 4: ...nt must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electrical shock in case of equipment breakdown or insulation breakdown CAUTION 1 Do not install the unit in a place where leakage of flammable gas may occur In case gas leaks and accumulates at surrounding of the unit it may cause fire 2 Prevent liquid or...

Page 5: ...larly check the alarms mechanical ventilation and detectors at least once a year where as required by national regulations to ensure their correct functioning 8 A logbook shall be maintained The results of these checks shall be recorded in the logbook 9 In case of ventilations in occupied spaces shall be checked to confirm no obstruction 10 Before a new refrigerating system is put into service the...

Page 6: ...essary to ensure that the risk of ignition is minimised For repair to the refrigerating system the precautions in 2 3 to 2 7 must be followed before conducting work on the system 2 3 Work procedure Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable gas or vapour being present while the work is being performed 2 4 General work area All maintenance staff ...

Page 7: ...e safety then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with If the fault cannot be corrected immediately but it is necessary to continue operation an adequate temporary solution shall be used The owner of the equipment must be informed or reported so all parties are advised thereinafter 3 Repairs to sealed components During repairs to sealed component...

Page 8: ...adhered to remove refrigerant purge the circuit with inert gas evacuate purge with inert gas open the circuit by cutting or brazing The refrigerant charge shall be recovered into the correct recovery cylinders The system shall be purged with OFN to render the appliance safe remark OFN oxygen free nitrogen type of inert gas This process may need to be repeated several times Compressed air or oxygen...

Page 9: ...mptied of refrigerant The label shall be dated and signed Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant 11 Recovery When removing refrigerant from a system either for servicing or decommissioning it is recommended good practice that all refrigerants are removed safely When transferring refrigerant into cylinders ensure that only appropriate refr...

Page 10: ...l dB A 60 Outdoor Noise H L QLo dB A 46 43 Power Level dB A 61 Heating Capacity kW 0 85 3 20 7 50 BTU h 2900 10900 25600 kcal h 730 2750 6450 Running Current A 2 60 Input Power W 165 570 2 16k COP W W 5 15 5 61 3 47 BTU hW 17 58 19 12 11 85 kcal hW 4 42 4 82 2 99 ErP Pdesign kW 3 0 Tbivalent C 10 SCOP W W 5 3 Annual Consumption kWh 792 Class A Power Factor 95 Indoor Noise H L QLo dB A 45 24 18 Pow...

Page 11: ...n 10 34 365 Heat m 3 min ft 3 min 11 13 395 Hi Cool m 3 min ft 3 min 14 10 500 Heat m 3 min ft 3 min 15 70 555 SHi Cool m 3 min ft 3 min 15 22 540 Heat m 3 min ft 3 min 16 80 595 Outdoor Airflow Hi Cool m 3 min ft 3 min 32 70 1155 Heat m 3 min ft 3 min 32 70 1155 Refrigeration Cycle Control Device Expansion Valve Refrigerant Oil cm 3 FW50S 450 Refrigerant Type g oz R32 1 06k 37 4 F Gas GWP 675 PRE...

Page 12: ...0 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb 3 Heating low temp...

Page 13: ...se H L QLo dB A 48 45 Power Level dB A 63 Heating Capacity kW 0 85 4 20 7 90 BTU h 2900 14300 26900 kcal h 730 3610 6790 Running Current A 3 80 Input Power W 165 840 2 25k COP W W 5 15 5 00 3 51 BTU hW 17 58 17 02 11 96 kcal hW 4 42 4 30 3 02 ErP Pdesign kW 4 0 Tbivalent C 10 SCOP W W 5 3 Annual Consumption kWh 1057 Class A Power Factor 96 Indoor Noise H L QLo dB A 45 25 18 Power Level dB A 61 Out...

Page 14: ...eat m 3 min ft 3 min 11 44 405 Hi Cool m 3 min ft 3 min 14 10 500 Heat m 3 min ft 3 min 15 70 555 SHi Cool m 3 min ft 3 min 15 22 540 Heat m 3 min ft 3 min 16 80 595 Outdoor Airflow Hi Cool m 3 min ft 3 min 34 40 1215 Heat m 3 min ft 3 min 34 40 1215 Refrigeration Cycle Control Device Expansion Valve Refrigerant Oil cm 3 FW50S 450 Refrigerant Type g oz R32 1 06k 37 4 F Gas GWP 675 PRECHARGED AMOUN...

Page 15: ...are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb 3 Heating low temperature capacity Input ...

Page 16: ...mpressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor outdoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 24 hour timer setting o 8 15 C HEAT operation is designed to provide heating at low temperature settings It is used in houses unoccupied during winter for the purpose of protecting equipment or hou...

Page 17: ...ection louver Do not adjust by hand Auto OFF ON button Use when remote control is misplaced Remote Control Receiver Maximum distances 8m or a malfunction occurs 8 15 C Heat Operation Operation mode Timer setting Temperature setting FAN SPEED QUIET selection Sleep operation Check Wireless LAN ON OFF Airflow direction adjustment Remote control display Transmitter POWERFUL operation nanoe X operation...

Page 18: ... Gas side Liquid side Relative position between the indoor unit and the installation plate Front View 14 9 270 150 420 633 4 450 117 65 216 150 247 Right piping hole Left piping hole Installation plate Indoor unit external dimensions line PIPE HOLE CENTER 150 mm TO HOLE CENTER PIPE HOLE CENTER 150 mm TO HOLE CENTER 150 mm Unit mm 102 77 Remote Control Holder 58 171 85 06 63 37 Remote Control ...

Page 19: ...e View Side View Anchor Bolt Pitch 330 x 540 Space necessary for installation 100mm 100mm 1000mm Unit mm 3 way valve at Gas side Low Pressure 2 way valve at Liquid side High Pressure 22 124 53 4 330 622 167 97 69 23 61 32 540 160 824 68 5 46 299 ...

Page 20: ...P SENSOR PIPE TEMP SENSOR TANK TEMP SENSOR AIR TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER HEATING COMPRESSOR STRAINER EXPANSION VALVE MUFFLER STRAINER MUFFLER ...

Page 21: ...ection SINGLE PHASE POWER SUPPLY 1Ø 230V 50Hz SC TEMPERATURE FUSE M INDOOR UNIT u L N FUSE 301 OUTDOOR UNIT 1 L N 3 2 MS 3 MS 3 FUSE1 PTC NOISE FILTER SEN1 REACTOR NTC TH1 RY PWR RY AC PTC2 IC19 FUSE3 FUSE5 FUSE8 FUSE6 SC 4 WAYS RY HT2 HEATER VALVE ...

Page 22: ...SC TEMPERATURE FUSE M INDOOR UNIT u L N FUSE 301 OUTDOOR UNIT 1 L N 3 2 MS 3 MS 3 FUSE1 PTC NOISE FILTER SEN1 REACTOR NTC TH1 RY PWR RY AC PTC2 IC19 FUSE3 FUSE5 FUSE8 FUSE6 SC 4 WAYS VALVE SINGLE PHASE POWER SUPPLY 1Ø 230V 50Hz RY HT2 HEATER ...

Page 23: ...SE301 T3 15A L250V GR GR GR GR ELECTRONIC CONTROLLER WIFI MODULE CN WLAN BLK CN WLAN WHT 4 1 3 8 1 RECTIFICATION CIRCUIT SW01 CN DISP YLW M B BL Y W R t t 1 4 1 11 UP DOWN LOUVER MOTOR LOWER UP DOWN LOUVER MOTOR UPPER LEFT RIGHT LOUVER MOTOR P BR R O Y CN STM3 BLU 5 1 1 M 5 BL W B P W BL W 1 5 1 2 HIGH VOLTAGE POWER SUPPLY NANOE ION GENERATOR CN2 WHT CN1 WHT CN NANO YLW 4 1 P BR R O Y CN STM2 YLW ...

Page 24: ... GREEN L N 1 2 3 RED WHT BLK L N BLK YLW GRN GROUNDING TERMINAL TERMINAL BOARD FOR OUTDOOR POWER SUPPLY CONNECTION SINGLE PHASE POWER SUPPLY YLW GRN GROUNDING TERMINAL FOR INDOOR POWER SUPPLY CONNECTION POWER SUPPLY NOT CONNECTED TO INDOOR UNIT FAN MOTOR BASE PAN HEATER REACTOR RAT2 GRY RAT1 GRY GRY GRY ELECTRONIC CONTROLLER SWITCHING POWER SUPPLY CIRCUIT COMMUNICATION CIRCUIT RECTIFICATION CIRCUI...

Page 25: ...P FUSE 102 C TERMINAL BOARD FOR INDOOR POWER SUPPLY CONNECTION FOR OUTDOOR POWER SUPPLY CONNECTION SINGLE PHASE POWER SUPPLY 1Ø 230V 50Hz TERMINAL BOARD POWER SUPPLY NOT CONNECTED N L 5V C401 R405 C402 R406 C403 F301 R82 10k R90 10k 5V 12V_1 C52 1000p 50V C51 1000p 50V C57 C56 L6 L5 5V 5V C3 0 1u 16V C14 3300p 50V B1 C15 3300p 50V B1 R38 510 R119 10k C599 C554 1000p 50V B1 C598 R40 R39 5 1k R89 R5...

Page 26: ...Y YLW GRN GROUNDING TERMINAL FOR INDOOR POWER SUPPLY CONNECTION POWER SUPPLY NOT CONNECTED TO INDOOR UNIT FAN MOTOR BASE PAN HEATER REACTOR RAT2 GRY RAT1 GRY GRY GRY ELECTRONIC CONTROLLER SWITCHING POWER SUPPLY CIRCUIT COMMUNICATION CIRCUIT RECTIFICATION CIRCUIT NOISE FILTER CIRCUIT PFC CIRCUIT RECTIFICATION CIRCUIT RED BLU YLW U RED V BLU W YLW YLW YLW U P Q1 N V W W U V 10 14 16 IC19 FUSE 3 T3 1...

Page 27: ...nted Circuit Board 11 1 Indoor Unit 11 1 1 Main Printed Circuit Board AC303 G301 CN FM SW01 CN STM1 CN DISP CN STM2 CN STM3 CN TH CN RMT CN CNT CN WLAN CN NANO AC304 JP1 Random Auto Restart Enable Disable AC306 ...

Page 28: ...28 11 1 2 Indicator Receiver Printed Circuit Board 11 1 3 nanoe X Printed Circuit Board 11 1 4 Wireless LAN Module Printed Circuit Board Network Adapter CN DISP ...

Page 29: ...29 11 2 Outdoor Unit 11 2 1 Main Printed Circuit Board CN HOT CN MTR1 CN MTR2 CN TH1 RY HT2 CN STM1 CN TANK AC BLK DATA AC WHT POWER TRANSISTOR IPM CURRENT TRANSFORMER CT RAT1 HT2 FG2 FG1 ACN2 RAT2 ...

Page 30: ...5 1 5HP 10 3 20 10 7 5 1 19 Not applicable Systems with total refrigerant charge mc lower than 1 84kg are not subjected to any room area requirements Example For HZ25 If the unit is installed at 10 m distance the quantity of additional refrigerant should be 25 g 10 7 5 m x 10 g m 25g Amin mc 2 5 LFL 5 4 h0 2 not less than safety factor margin Amin Required minimum room area in m2 mc Refrigerant ch...

Page 31: ...0 mm hole core drill o Line according to the left and right side of the installation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 150 mm for left and right hole respectively o Drill the piping hole at either the right or the le...

Page 32: ...f indoor unit Holes at Installation plate Screw slot at chassis Screw 2 location Cover for the bottom piping Tape it with piping in a position as mentioned in Fig below Cover for the right piping Piping Drain hose Cover for the left piping Right and Right bottom piping Cover for piping How to keep the cover In case of the cover is cut keep the cover at the rear of chassis as shown in the illustrat...

Page 33: ... standard 6 Bind all the power supply cord lead wire with tape and route the power supply cord via the left escapement 7 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 1 5 mm2 flexible cord type designation 60245 IEC 57 or heavier cord Do not use joint connection cable Replace the wire if the existing wire from concealed wiring or otherwise is to...

Page 34: ...am below Terminals on the outdoor unit L N 1 2 3 Colour of wires Connection cable Terminals on the indoor unit L N 1 2 3 Power supply cord Terminals on the isolating devices Disconnecting means L N Recommended length mm a b c d e f g 30 30 60 45 40 35 55 Isolating Devices Outdoor Unit a b c 6 d e f g 8 1 1 1 Terminal Board Panel Panel Flip the panel down until click sound before connect indoor and...

Page 35: ...door outdoor connection terminal board Conductor fully inserted Conductor over inserted Conductor not fully inserted ACCEPT PROHIBITED PROHIBITED WARNING In case of indoor power supply In case of outdoor power supply R O R O OR OR OR OR RISK OF FIRE JOINING OF WIRES MAY CAUSE OVERHEATING AND FIRE CAUTION Do not connect power supply to indoor and outdoor unit at the same time Risk of fire if wrong ...

Page 36: ...the flare nut both gas and liquid sides with neutral cure Alkoxy type ammonia free silicone sealant and insulation material to avoid the gas leak caused by freezing Neutral cure Alkoxy type ammonia free silicone sealant is only to be applied after pressure testing and cleaning up by following instructions of sealant only to the outside of the connection The aim is to prevent moisture from entering...

Page 37: ...e system to reach min 1 04 MPa 10 4 barg 7 Wait and monitor the pressure reading on the gauges Check if there is any pressure drop Waiting time depends on the size of the system 8 If there is any pressure drop perform step 9 12 If there is no pressure drop perform step 13 9 Use Gas Leak Detector to check for leaks Must use the detection equipment with a sensitivity of 5 grams per year of test gas ...

Page 38: ...e terminal board and connect the others end of the cord to Isolating Devices Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or otherwise is too short o In unavoidable case joining of power supply cord between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug with earth pin ra...

Page 39: ...other AC wires for safety reason 12 3 5 Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or...

Page 40: ...curred at fifth sec then press Remote controller A C Reset button once Remote controller signal will activate operation to force heating mode 4 REMOTE CONTROLLER RECEIVING SOUND ON OFF The ON OFF of Remote controller receiving sound can be change over by the following steps a Press AUTO switch continuously for more than 16 sec to below 21 sec A pep pep pep pep sound will occur at the sixteenth sec...

Page 41: ...e of the intake and discharge air Ensure the difference between the intake temperature and the discharge is more than 8 C during Cooling operation or more than 14 C during Heating operation Note During extremely cold winter turn on the power supply and standby the unit for at least 15 minutes before test run Allow sufficient time to warm up refrigerant and prevent wrong error code judgement 12 3 1...

Page 42: ...ditioner o The compressor has a failure history o Oil color is darken ASTM 4 0 and above o The existing air conditioner is gas oil heat pump type Do not reuse the flare to prevent gas leak Make sure to install a new flare If there is a welded part on the existing refrigerant piping conduct a gas leak check on the welded part Replace deteriorated heat insulating material with a new one Heat insulat...

Page 43: ...In 2010 the regulations of American Society of Heating Refrigerating and Air Conditioning Engineers in the United States ANSI ASHRAE34 was issued adopting the grades for refrigerants which are difficult to inflame due to their slow burning rates and as a result have smaller damages in cases of fire The burning rate of R32 is lower by 10cm per second and safety standardization for various usage is ...

Page 44: ...e of R410A it is necessary to do installation and service using high pressure tools and components Table 2 Saturated vapor pressure comparison table Unit MPa Temperature Refrigerant R32 R410A R22 20 0 30 0 30 0 14 0 0 71 0 70 0 40 20 1 37 1 35 0 81 40 2 38 2 32 1 43 60 3 84 3 73 2 33 65 4 29 4 17 2 60 Reference Thermal properties table of Japan Society of Refrigerating and Air Conditioning Enginee...

Page 45: ...tools such as screw drivers metal saws electric drills long nose pliers hole core drills ø70 or ø65 linen tape levels temperature gauges clamp meters electric knives nippers pipe cutters reamers or scrapers spring benders diameters 1 4 3 8 1 2 5 8 monkey wrenches fixing wrenches 17 or 12 mm feeler gauges hexagon wrenches 4 mm testers megohm testers etc Tools used for services Works R32 R410A R22 I...

Page 46: ... sizes R32 common R410A R22 Port sizes 1 2 UNF20 7 16 UNF20 5 Charging hoses The pressure resistance of charge hoses is increased At the same time the material is changed to HFC resistant and the size of each manifold adopter is changed as the port size of manifold gauge itself Further some hoses are with anti gas pressure backflow valves placed near the adopters hoses with the valves recommended ...

Page 47: ...ame time the digital scale for refrigerant charging is strengthened by receiving the weight of the refrigerant cylinders with four pillars at the corners The connection ports of charging hoses have two separate ports for R22 7 16 UNF20 and R32 R410A 1 2 UNF20 therefore they can be used for the insertion of the existing refrigerants Digital scale for refrigerant charging 9 Refrigerant cylinders Ref...

Page 48: ...for each HCF type can be used Knowledge for the common usage of tools for R410A R32 R410A and R32 machines use different compressor oils If unregulated compressor oil gets mixed into it may cause damage to the machine function Careful pump down will ensure the recovery of compressor oil and it will minimize the remaining amount of the oil in the manifold gauge and charging hose If you only perform...

Page 49: ...vention of impurity Leakage checking Insertion of refrigerant Dismantling indoor outdoor units Repairing by brazing Evacuation Air purging new installation and relocation for at or more than 15 minutes re charging at or more than 60 minutes Indoor outdoor units and piping Displacing pipes and wires and displacing indoor outdoor units Indoor outdoor units installation and piping and wiring Removal ...

Page 50: ... of moisture and dirt do not get into the pipes and make sure of no refrigerant leakage The procedure of flaring and precautions a Cutting of pipes use pipe cutter and cut the pipe slowly not to de shape the pipe b Removal of burrs on the edge of pipe reamer or scraper If the condition of pipe edge after the deburring is no good or if burrs attaches on the flaring it may cause refrigerant leakage ...

Page 51: ...nd leave it for 1 2 minutes Then remove the connection side of the charging hose of vacuum pump adopter after checking the needle of manifold gauge does not turn back 4 Open the stem of 2 way valve to 90 in anti clock wise and close the 2 way valve after 10 seconds and perform gas leakage test 5 Remove the charge hose from the service port of 3 way valve and open the stems of 2 way and 3 way valve...

Page 52: ...lectric plug of recovery device into electrical outlet the fan operation starts 6 Turn the valve 1 and 2 of recovery device to pressure equalization point 7 After a few seconds turn back the valve 1 and 2 to the original position 8 Turn the switch of the recovery device to ON the compressor operation starts 9 When the low pressure of manifold gauge is close to 0 close the low pressure side valve t...

Page 53: ...tach and tighten the caps of two way and three way valves with torque wrench 6 Remove the connecting pipes liquid side and gas side b Removal of indoor and outdoor units 1 Remove the connecting pipes and wires between the indoor and outdoor units 2 Attach capping flare nuts on the edges of the pipes connecting the indoor and outdoor units in order to prevent dust and moisture get into the pipes 3 ...

Page 54: ...ures below 6 Remove the charging hose red of the manifold gauge from the vacuum pump adopter 7 After adjusting the digital scale to zero open the cylinder valve and the valve Lo of the manifold gauge and insert the refrigerant 8 If it is not possible to insert the refrigerant at regulated amount at once operate the cooling mode and gradually insert the refrigerant recommended amount approx 150 g 1...

Page 55: ...side check and make sure no refrigerant is contained in the air be careful with vaporized refrigerant Furthermore protect the compressor terminal with metal plates and heat but use wet clothes to cool down releasing the heat the expansion valves and four way valves prevent destruction of parts In brazing it is important to pour the brazing material without melting the base metal based on capillary...

Page 56: ...tly open the oxygen valve of the torch and make sure the gas comes out from the torch crater and then close the oxygen valve Check there is no gas leakage around the hose connection 13 7 4 Adjustment of flame 1 Slightly open the propane valve of the torch and lit with spark lighter This moment the flame is only by propane and the color is red 2 Gradually open the oxygen valve of the torch to mix o...

Page 57: ...all this has the highest flame heat However due to the excessive oxygen contained in the flame the brazing point gets oxidized This flame may cause holes due to the high heat The pipe may get melt 13 7 6 Closing the flame In case of short break 1 Close the propane valve of the torch 2 Close the oxygen valve of the torch In case of finishing work 1 As above close the flame following the procedure o...

Page 58: ...resistance in stainless steel based brazing suitable for brazing tungsten carbide aluminum bronze and copper BCuP BCuP 2 remain 6 8 7 5 approx 710 approx 785 690 815 21 24 5 Cu Good liquidity suitable for brazing copper tube BCuP 3 4 8 5 2 remain 5 8 6 7 approx 645 approx 815 720 815 21 24 5 Cu Suitable for brazing when the joint spacing is not constant BCuP 5 14 5 15 5 remain 4 8 5 3 approx 645 a...

Page 59: ...n Further by bending the brazing portion of dryer side of the capillary tube at 15 mm from the tube top to the angle of about 120 you can prevent the damage of dryer inside and the clogging of brazing material caused by the excessive insertion of capillary tube 13 7 11 Brazing and heating 1 Place the flame to a pipe which has more heat capacity in order to let the brazing material melt by the pipe...

Page 60: ... capillary tube and dryer etc caution has to be taken to apply the flame to the dryer side thick pipe side in order to prevent burn out by the heat 4 When brazing the compressor connection pipes suction and discharge remove the sound insulation plate and the fan and place the compressor stand vertically to prevent the leakage of compressor refrigerating machine oil and apply the flame from the com...

Page 61: ...ometer 2 2 way valve pipe temperature in cooling mode is low temperature benchmark 5 10 C in heating mode is medium temperature benchmark 25 35 C 3 3 way valve pipe temperature in cooling mode is low temperature benchmark 7 15 C in heating mode is high temperature benchmark 38 50 C 2 Measuring electric current Measuring electric current in operation check by clump meter refer to table of technical...

Page 62: ...nction Dirty condenser impurity Mixture of air Insufficient evacuation 2 way valve temperature Excess insertion of refrigerant Clogged capillary expansion valve malfunction Compressor malfunction Lack of refrigerant gas 3 way valve temperature Lack of refrigerant gas Compressor malfunction Excess insertion of refrigerant Clogged capillary expansion valve malfunction Suction temperature Release air...

Page 63: ...t control 14 1 2 1 Compressor is OFF when Intake Air Temperature Internal Setting Temperature 1 5 C continue for 3 minutes When compressor is OFF Thermostat OFF and AUTO FAN is set the fan will stop periodically Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 14 1 3 Soft Dry Operation Thermostat control 14 1 3 1 Compresso...

Page 64: ... temperature 3 0 C maintain with previous mode o If indoor intake temperature remote control setting temperature 2 0 C HEAT mode is decided 14 1 6 Fan Operation Fan Operation is used to circulate air in a room During operation indoor fan run continuously but outdoor fan and compressor stop Temperature setting is not applicable 14 2 Indoor Fan Motor Operation A Basic Rotation Speed rpm i Manual Fan...

Page 65: ...ol Immediately after the fan motor started feedback control is performed once every second During fan motor on if fan motor feedback 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increase fan motor is then stop and restart If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 14 3 Outdoor Fan Motor Operation It st...

Page 66: ...g 20 56 25 49 Manual 15 20 35 50 56 19 25 34 43 49 1 Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stated above For heating mode operation the angle of the vane depands on the indoor heat exchanger temperature as Figure 1 below It does not swing during fan motor stop When the air conditioner is stopped using remote control the...

Page 67: ...ovide quiet cooling operation compare to normal operation B Control condition a Quiet operation start condition When FAN SPEED QUIET button at remote control is pressed continuously until QUIET will be shown on remote control display b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a POWERFUL button is pressed b Stop by OFF ON switch c Time...

Page 68: ... C for Cooling Soft Dry or higher up to 1 C for Heating than remote control setting temperature to achieve the setting temperature quickly 14 8 Timer Control There are 2 sets of ON and OFF timer available to turn the unit ON or OFF at different preset time If more than one timer had been set the upcoming timer will be displayed and will activate in sequence ON Timer Control 14 8 1 1 ON timer 1 and...

Page 69: ...n will not resume Sleep operation can be set together with Timer operation Sleep operation has priority over OFF Timer Indicator shall be dimmed when this operation is activated Control pattern Cooling mode SLEEP Cancel This operation is incorporated with the activation timer 0 5 1 2 3 4 5 6 7 8 or 9 hours 1 C 1 C 1 C Selection of OFF Timer by 0 5 hr 1 0 hr 2 0 hr 3 0 hr 4 0 hr 5 0 hr 6 0 hr 7 0 h...

Page 70: ...ted randomly after power supply resumes 2 This type of control is not applicable during ON OFF Timer setting 3 This control can be omitted by open the circuit of JP1 at indoor unit printed circuit board 14 11 Indication Panel LED POWER TIMER DEICE 8 15 C HEAT Color White White White White White White Light ON Operation ON Timer Setting ON Deice ON 8 15 C HEAT ON Wireless LAN Mode ON nanoe TM X Mod...

Page 71: ...vention control is disabled Control condition Caution If the indoor temperature constantly is less than 0 C Door windows not close properly the error code F11 may occur This is because in open area the indoor sensor will misjudge operation condition and will give error code NOTE But after battery reset default condition set temperature always start with 13 0 C OFF timer activates OFF timer activat...

Page 72: ...disabled when fan speed 430 rpm o During nanoe X individual operation fan speed follow remote control setting Auto Fan Speed for nanoe X individual operation is cooling medium fan Powerful Quiet is disabled during nanoe X Airflow direction control o During any operation mode combines with nanoe X operation airflow direction follows respective operation mode o During nanoe X individual operation Ai...

Page 73: ...Disconnection abnormality will judged when disconnection counter 3 Abnormal code H67 will memorized in EEPROM and nanoe X LED OFF Timer LED not blinking Disconnection counters clear condition Disconnection counter will be cleared when operation stop Not nanoe X Check Mode o nanoe X Discharge Abnormality Abnormal detection condition After 30 minutes nanoe X power ON abnormal signal is being detecte...

Page 74: ...d monitored Maximum radio frequency power transmitted in the frequency bands Type of wireless Frequency band Max EIRP dBm WLAN 2412 2472 MHz 20 dBm Usage precautions Before using the product be sure to read all the precautions in this manual The Company is not liable for any defects and damages incurred by the use of this product that occur through incorrect use by yourself or a third party unless...

Page 75: ...r charges may be incurred for network connection and operation 14 14 4 To Disconnect Wireless LAN Off Wireless LAN LED Press and release one time at the Remote Control Wireless LAN button and the LED will turn off LED ON LED OFF 14 14 5 To Delete Wireless LAN Information If Wireless LAN is off LED is Off turn on Wireless LAN first by press and release one time the Wireless LAN button LED OFF LED O...

Page 76: ...o light After confirm failure No light Blinking Cancel Condition From the module the reply data or the regularly sending data normal data is recognized by ID micon Wireless LAN LED Timer LED When failure canceled Light up No light Failure communication parameter setting H85 communication error time retry counter 10 min 3 count Wireless LAN disconnection judgment time 300 sec 14 14 8 Between ID AC ...

Page 77: ...ation Mode X A Y A X A Y A Cooling Soft Dry A 3 98 14 66 5 61 14 66 Cooling Soft Dry B 3 53 5 16 Heating 8 60 9 14 4 The first 30 minutes of cooling operation A will be applied 15 1 3 IPM Power Transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 120 C compressor operation will stop immediately 2 Compressor operation restarts after 3 minutes the temper...

Page 78: ...ndoor piping temperature indoor suction is under 5 C b Control contents Compressor stops and restart after 3 minutes If the conditions above happen 2 times within 20 minutes the unit will o Stop operation o Timer LED blinks and F91 indicated 15 1 6 Low Frequency Protection Control 1 When the compressor operate at frequency lower than 24 Hz continued for 240 minutes the operation frequency will be ...

Page 79: ...same time indoor fan speed will be higher than during its normal operation 4 If indoor heat exchanger temperature is higher than 13 C for 5 minutes the fan speed will return to its normal operation 15 2 4 Freeze Prevention Control 2 1 Control start conditions During Cooling operation and soft dry operation o During thermo OFF condition indoor intake temperature is less than 10 C or o Compressor st...

Page 80: ...rol The Max current value is regulated when the outdoor air temperature rise above 14 C in order to avoid compressor overloading 15 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below If the heat exchanger temperature exceeds 60 C compressor will stop 15 3 4 Compressor Oil Return Control When compressor s...

Page 81: ...y button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there are 2 or more indoor units installed nearby to...

Page 82: ...or Old Auto Mode HEAT The unit will run Heating operation The unit will run Heating operation COOL The unit will stop and Power LED blinking The unit will run Cooling operation DRY The unit will stop and Power LED blinking The unit will run Cooling Dry operation NANOE Stand alone The unit will stop and Power LED blinking The unit will run Nanoe Stand alone operation Force Cooling The unit will run...

Page 83: ...ote control does not operate for 30 seconds o Press SW special setting is immediately cancelled and normal mode starts o If no SW is pressed for 30 secs then special setting mode is cancelled and normal mode starts o Under this function only and SW s are effective Transmit Remote control no code Normal display mode If jumper JA Open JB Open RC number B If jumper JA Short JB Short RC number C If ju...

Page 84: ...limit of set temperature for COOL DRY mode o Press Timer Set button to confirm high limit selection Memorize new Low2 range Normal display mode Press SW to enter customer zone Press SW s to choose function 3 Press SW to comfirm selection Use SW or SW to change Low2 range SET i Display latest set temp Low2 ii After reset Low2 16 C by default Range 16 C High2 No code transmission SET Memorize new Hi...

Page 85: ...imer Set button to confirm high limit selection Memorize new Low1 range Normal display mode Press SW to enter customer zone Press SW to comfirm selection Use SW or SW to change Low1 range SET i Display latest set temp Low1 ii After reset Low1 16 C by default Range 16 C High1 No code transmission SET Press SW s to choose function 5 Memorize new High1 range Normal display mode Press SW to enter cust...

Page 86: ...turns to original display if remote control does not operate for 30 seconds or press Timer Cancel button Memorize new Low3 range Normal display mode Press SW to enter customer zone Press SW to comfirm selection Use SW or SW to change Low3 range SET i Display latest set temp Low3 ii After reset Low3 16 C by default Range 16 C High3 No code transmission SET Press SW s to choose function 12 Memorize ...

Page 87: ... If no SW is pressed for 30secs then special setting mode is cancelled and normal mode starts Under this function only SW s are effective Note By default is enable Normal display mode Transmit Enable or Disable code Control Disable Control Enable Press SW to enter customer zone press SW s to choose function 10 SET ...

Page 88: ... o Press once to restore the unit s setting 16 3 4 TIMER To change indoor unit indicators intensity o Press continuously for 5 seconds 16 3 5 TIMER To change remote control display from Degree Celsius C to Degree Fahrenheit F o Press continuously for 10 seconds Normal display mode Press SW t 0secs When SW pressed continuously for t 5secs to enter service zone press SW s to choose function 60 Trans...

Page 89: ...peration ON Under Real ON OFF time setting mode 3 To enter Customer zone 4 To enter Service zone Press continuously for T 5 secs Customization display area highlighted in color Function No Options If any Customer Zone range 1 49 Normal display mode Once T 5secs Service Zone range 50 99 Customer Zone Normal display mode ...

Page 90: ...h3 selection Low3 30 C 14 Indoor unit installation position selection ct Center lt Left rt Right 15 ECO status memorize selection 00 Disable 01 Enable 16 49 Reserve Service Zone 50 ECO demo ON None No display 51 Light sensor check None No display 52 nanoe G ECO sensor check None No display 53 DOA check None No display 54 Odor cut control selection 00 Disable 01 Enable 55 Frequency tolerance select...

Page 91: ...ttern 1 02 Pattern 2 03 Pattern 3 69 Up Down air swing upper limit restriction selection 00 Disable 01 Enable 70 Failure diagnosis mode disable None No display 71 Compressor Fhmax setting selection 01 Offset 1 02 Offset 2 03 Offset 3 72 Compressor Max Fc setting selection 00 Disable 01 Enable 73 99 Reserve ...

Page 92: ... Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right Clogged strainer capillary tube or expansion valve Clogged strainer capillary tube or expansion valve ...

Page 93: ...c current during operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged strainer capillary tube or expansion valve Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started ...

Page 94: ...y Memorized Error Protective Operation Status 1 Turn power on 2 Press the CHECK button on the remote controller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be ...

Page 95: ...ality Port is ON for 10s during ion device off ion device PCB H27 Outdoor air temperature sensor abnormality Continuous for 5s Outdoor air temperature sensor open or short circuit Outdoor air temperature sensor lead wire and connector H28 Outdoor heat exchanger temperature sensor 1 abnormality Continuous for 5s Outdoor heat exchanger temperature sensor 1 open or short circuit Outdoor heat exchange...

Page 96: ... times happen within 30 minutes 4 way valve switching abnormal 4 way valve Lead wire and connector F17 Indoor standby units freezing abnormality 3 times happen within 40 minutes Wrong wiring and connecting pipe expansion valve leakage indoor heat exchanger sensor open circuit Check indoor outdoor connection wire and pipe Indoor heat exchanger sensor lead wire and connector Expansion valve lead wir...

Page 97: ...240V AC power supply abnormal fluctuation NO Defect in communication circuitry Improper connection at terminals Measure the DC voltage at terminal 2 3 communication terminals of outdoor unit terminal board Is the measured DC voltage fluctuate between 10 70V NO Improper connection at terminals NO Measure the AC voltage at terminal 1 2 of indoor unit terminal board Is the measured voltage 230 240V D...

Page 98: ... indoor and outdoor units Troubleshooting When abnormality indication starts again Is there any wiring error YES Matched compatibility Correct the indoor outdoor unit connection wires Check the indoor and outdoor unit connection wires Check the spare part numbers of the indoor and outdoor unit PCBs and compare with their Part Lists NO YES NO NO Is indoor unit and outdoor unit model numbers matched...

Page 99: ...heck the indoor intake air temperature sensor Plug out connector from the indoor unit PCB Measure the resistance of the indoor intake air temperature sensor For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Is the measured resistance of the indoor intake air temperature sensor matches the value specified in its characteristic c...

Page 100: ...pressor temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor compressor temperature sensor For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Is the measured resistance of the outdoor compressor temperature sensor matches the value specified in its characteristic chart Check the c...

Page 101: ... Graph In forced cooling check suction ressure Running current and suction pressure is Compressor Lack Compression Replace Compressor Check replace defected CT Running current is much too low and Check for gas leaking source Repair For safety reason and to prevent component breakdown always switch off the power before remove and connect the component normal Suction pressure and running current is ...

Page 102: ...rts again Turn off power supply and rotate fan by hand Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Replace indoor PCB Replace fan motor Turn off power supply and disconnect fan motor connector then turn power on NO YES YES NO Does it rotate Check the rotation output from fan motor Is the rotation feedback voltage 5 15Vdc pin 6 4 generated Check the output of fan...

Page 103: ...erature sensor Plug out connector from the indoor unit PCB Measure the resistance of the indoor intake air temperature sensor Defect in indoor intake air temperature sensor Replace the indoor intake air temperature sensor Detect in indoor unit PCB Replace the indoor unit PCB For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Che...

Page 104: ...tarts again Check the outdoor air temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor air temperature sensor Is the measured resistance of the outdoor airtemperature sensor matches the value specified in its characteristic chart Defect in outdoor air temperature sensor Replace the outdoor air temperature sensor Defect in outdoor unit PCB Replace th...

Page 105: ... temperature sensor matches the value specified in its characteristic chart YES When abnormality indication starts again Check the outdoor heat exchanger temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor heat exchanger temperature sensor Defect in outdoor heat exchanger temperature sensor Replace the outdoor heat exchanger temperature sensor Defe...

Page 106: ... unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor discharge pipe temperature sensor matches the value specified in its characteristic chart Defect in outdoor discharge pipe Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off the...

Page 107: ...or unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor heat exchanger temperature sensor matches the value specified in its characteristic chart Defect in outdoor discharge pipe Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off t...

Page 108: ...roubleshooting When abnormality indication starts again Is indoor unit and outdoor unit model numbers matched NO Match the compatible model follow specification Check indoor and outdoor units model number Check the indoor and outdoor PCB part number and compare if they matched part list Change for the specified indoor or outdoor unit PCB NO YES Replace the indoor and outdoor unit PCB For safety re...

Page 109: ...unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor gas pipe temperature sensor matches the value specified in its characteristic chart Defect in outdoor discharge pipe Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off the power ...

Page 110: ...B Measure the resistance of the outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor gas pipe temperature sensor matches the value specified in its characteristic chart Defect in outdoor discharge pipe Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off the power Check t...

Page 111: ... unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor liquid pipe temperature sensor matches the value specified in its characteristic chart Defect in outdoor discharge pipe Replace the outdoor discharge pipe temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Check the connector connection Turn off the po...

Page 112: ... off power supply and rotate fan by hand Does it rotate YES NO YES Turn off power supply and disconnect fan motor CN MRT2 Check resistance of the motor Measure at fan motor connector CN MRT1 1 2 1 3 2 3 Replace outdoor PCB NO Replace fan motor YES NO Replace fan motor Replace fan motor NO Replace outdoor PCB Stop the fan motor YES YES Is the resistance normal Check the rotation feedback output fro...

Page 113: ...dirty Clean the air filter Clean the indoor unit heat exchanger YES Check the dust accumulation on the indoor unit heat exchanger Is the indoor unit heat exchanger dirty Defect in indoor pipe temperature NO Check the indoor pipe temperature thermistor Check the piping installation condition YES Is the measured resistance of the indoor pipe temperature Plug out connector CN TH from the indoor unit ...

Page 114: ...at exchanger dirty Clean the indoor unit heat exchanger Check the dust accumulation on the indoor unit heat exchanger Does it conform to the sensor characteristic chart Check the indoor pipe temperature sensor Replace the indoor pipe temperature sensor Reclaim and recharge with correct amount of refrigerant Replace the indoor unit PCB YES NO NO NO NO YES YES NO YES Check if 2 3 way valve is closed...

Page 115: ...curs in heating mode only Defect in indoor pipe temperature Is 4 way solenoid valve being energised 4 way valve not working Check CN HOT Check V coil attach to Check valve v coil Measure voltage For safety reason and to prevent component breakdown always switch off the power before remove and connect the component OK Depending on 4 way valve model YELLOW 2 1 COIL COMPLETE CN HOT WHT YELLOW 4 WAYS ...

Page 116: ...nsor Faulty expansion valve Troubleshooting YES YES NO When F17 indication happens Check the system wiring connection Is the wiring connection ok Perform Auto Wiring to correct the Replace the indoor intake air or indoor NO Replace the solenoid coil or expansion YES Check the indoor intake air and indoor pipe temperature sensors Does it conform to the sensor characteristic chart Check the expansio...

Page 117: ...uctuation AC power supply abnormal surge Defect in PFC circuitry Replace the outdoor unit PCB NO 280Vdc Defect in outdoor fan motor Replace outdoor fan motor NO Defect in compressor Replace compressor NO Defect in reactor Replace reactor YES YES Verify PFC abnormality by measuring DC voltage between Is the DC voltage between DCP and DCN normal Confirm the DC voltage between CN FM 1 and 4 when YES ...

Page 118: ... gas amount is OK NO closed When F91 indication happens Check 3 way valve 3 way valve opened Open 3 way valve YES Check for gas leaking source Check for gas leaking source Refer to H16 Gas leaking Check other parts in refrigeration cycles Repair or replace defected part s Re claim and then re charge the right amount For safety reason and to prevent component breakdown always switch off the power b...

Page 119: ...emove and connect the component Check the U V and W conector connection Turn OFF the power Check the U V and W conector connection at outdoor PCB and compressor terminal Is the connector connection normal From thw disconnected harnesses U V and Disconnect the harnesses U V and W from the compressor terminal Is the blinking of the 6 LEDs in same sequence condition IPM defective Replace outdoor unit...

Page 120: ...diation Reset the error code and turn on the unit Reinstall the outdoor unit Remove the obstacle s Clean the outdoor heat exchanger Is the outdoor fan motor operating Measure the AC DC voltage between pins of connector CN FM outdoor unit PCB Is the voltage supplied to the outdoor NO Defect in outdoor heat exchanger thermistor Replace the outdoor heat exchanger thermistor NO 0V Defect in outdoor un...

Page 121: ...verheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor Multi Models Only o Compressor OL connector poor contact o Compressor OL faulty Troubleshooting Is outdoor fan motor operating When F96 indication happens For safety reason and to prevent component breakdown always switch off the power bef...

Page 122: ...eakdown always switch off the power before remove and connect the component Check the compressor tank temperature sensor Open the 2 3 way valve YES NO Does it conform to the sensor characteristic chart Replace the compressor tank temperature sensor NO YES Check for gas leakage Oil oozing out from the 2 3way valve Repair the pipe flare or union nuts Reclaim and recharge refrigerant Replace the capi...

Page 123: ...oting Turn off power supply Check the main circuit electrolytic capacitor When F98 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Get restarted and measure the input current NO Input current limit Replace the outdoor unit PCB NO YES Normal Check refrigerant amount Repair the pipe flare or union nuts Reclai...

Page 124: ...re a sound when compressor starts NO Compressor stops YES Outdoor electronic circuit defect due to power transistor short Replace the outdoor unit PCB Amplification IC defect Diode defect Defect in microcontroller Replace the outdoor unit PCB Is compressor vibration even NO Quite a lot of vibration at start operation YES Excessive amount of refrigerant Check the compressor winding resistance Turn ...

Page 125: ...iciently before proceeding with repair work Failure to heed this caution may result in electric shocks 18 1 Indoor Unit 18 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures To Remove Front Grille 18 1 1 1 Figure 1 Figure 2 2 Remove 3 screws at the Front Grille 1 Lift up the Intake Grille 3 Remove 3 caps and 3 screws at Bottom Plate ...

Page 126: ...126 Figure 3 Figure 4 Figure 5 4 Detach the hook from left and right Then remove the Bottom Plate 5 Open the hooks on top of the Front Grille 6 Remove the Front Grille ...

Page 127: ...r first then remove the second front cover 2 Remove the particular piece 4 Disconnect CN DISP connector from indicator complete 3 Disconnect lead wire from the terminal board 5 Pull out the Main Electronic Controller halfway Then disconnect all connectors from the controller Remove the Electronic controller ...

Page 128: ...e Discharge Grille 18 1 1 3 Figure 9 Figure 10 Figure 11 2 Disconnect CN STM1 CN STM2 and CN STM3 from electronic controller 1 Remove indicator complete 3 Remove drain hose 4 Pull out the discharge grille to remove ...

Page 129: ...129 To Remove Cross Flow Fan 18 1 1 4 Figure 12 Figure 13 Figure 14 1 Loosen the cross flow fan screw 2 Remove 2 screws from Evaporator 4 Pull out cross flow fan 3 Lift up the Evaporator ...

Page 130: ...17 1 Disconnect CN FM from electronic controller 2 Remove earth wire from evaporator 3 Remove air temperature and pipe temperature sensor 4 Remove 1 screw from control board complete Then pull out the control board complete 5 Remove 4 screws from fan motor cover ...

Page 131: ...or holder 4 After that network adaptor can be easily replaced Reminder Serviceman or owner must setting again Panasonic Comfort Cloud app after replace Wireless LAN Module 6 Remove Fan Motor Reminder To reinstall the fan motor adjust the fan motor connector to 60 towards you before fixing control board 3 Unscrew NanoeX complete Then remove NanoeX complete 1 Remove discharge Grille 2 Remove CN NANO...

Page 132: ...he screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 Screws Screws Screw Top Plate Screws Screws Screws Screw Cabinet Front Plate complete Control Board Terminal Board Cover Hooks Hooks Screw Top Cover Remove 2 connectors from reactor Remove 1 screw Remove 2 screws Remove earth wire Remove 5 connec...

Page 133: ...ser log in using your Panasonic ID and password Use Panasonic Comfort Cloud app as an option to control this product Please enter your Panasonic ID and password Panasonic ID Password Password Remember me Forgot ID Password Create new Panasonic ID View an example Login Login Panasonic ID Before using the Panasonic Comfort Cloud app you need to register this product Commercial air conditioner My Hom...

Page 134: ...2 Select the status of the Wireless LAN LED Wireless LAN LED Connection Guide Step 1 Step 2 Step 3 LED is OFF LED is ON LED is Blinking Cancel Connection Guide Cancel Next Step 1 Step 2 Step 3 Step 1 Step 2 Step 3 SET CANCEL Note If the Wireless LAN LED blinks continuously and you do not want to use the app press the Wireless LAN button to turn it off Fast blink The unit is establishing the connec...

Page 135: ...to the air conditioner and press SET Connection Guide Step 1 Step 2 Step 3 Cancel Next SET CANCEL 4 If the Wireless LAN LED keeps blinking check the wireless router connection Searching for air condi oner Please wait Connection Guide Step 1 Step 2 Step 3 Cancel 3 When the air conditioner is successfully connected to the router the Wireless LAN LED stops blinking and turns ON Connection Guide Step ...

Page 136: ...on once 4 A er step 1 3 have been done tap Next Connection Guide Step 1 Step 2 Step 3 Cancel Next SET CANCEL If Wireless LAN LED is OFF during the connec on setup please enable again by pressing Wireless LAN bu 1 p e t s o t g n i d e e c o r p e r o f e b e c n o n o 1 Press and hold Wireless LAN bu on for 5 secs un l easy se ng 1 is shown 2 Press up or down bu on un l Advance se ng 2 is shown 3 ...

Page 137: ...ON If Wireless LAN LED keep blinking tap Check If the Wireless LAN LED is ON tap Next If the Wireless LAN LED is ON tap Next Cancel Check Connection Guide Step 1 Step 2 Step 3 When the connec on of air condi oner to router is successful the Wireless LAN LED changes from blinking to ON It may take up to few minutes before changes to ON If Wireless LAN LED keep blinking tap Check Cancel Check t x e ...

Page 138: ...ep 1 Step 2 Step 3 CS HZ25UKE 5 Retry searching Cancel Register Set a password to complete the registration The password must be 8 15 characters with letters and numbers Model CS HZ25UKE 5 Input the password to complete the registra on Password must be 8 15 characters with le ers and numbers Password password Re enter password Device password settings Step 1 Step 2 Step 3 Cancel Register Note Keep...

Page 139: ...he estimated energy consumption and do comparison for different time frame by referring to the statistic s graph Enter your preferred name for this air condi oner Air condi oner name Model CS HZ25UKE New air conditioner settings Step 3 Step 1 Step 2 Model CS HZ25UKE 5 Cancel Register Living Room My Home 26 28 18 Jan 13 02 24 5 C Cool Living Room Statistics Weekly timer Quiet Powerful ON AUTO AUTO ...

Page 140: ...ID Start a demonstration My Home OFF 27 0 c Living Room OFF 25 0 c Bedroom OFF 26 0 c Dining OFF 26 0 c Kitchen OFF 30 0 c 2F Kids room ON 23 0 c Bedroom 2 First Floor Back Information Outdoor temperature Air conditioner OFF ON toggle Statistics Change fan speed Weekly timer Switching between device Indoor temperature Subject to model compatibility Setting the temperature Setting the temperature O...

Page 141: ...s User approval My Home Living Room User A Do not approve Only allow monitoring air conditioner status Allow both monitoring and controlling air conditioner Approval note Air conditioner name Individual air conditioner OFF ON toggle All OFF All ON Air conditioners status OFF ON operating mode and set temperature Turn on all air conditioners Air conditioners My Home All OFF All ON Bedroom 2 ON 23 0...

Page 142: ...upported by certain models For Multi split AC system energy consumption value displayed is for whole system Statistics My Home Living Room Day Week Month Year Note This is an approximated value 50 30 10 10 30 20 15 10 5 0 24 22 20 18 16 14 12 10 8 6 4 2 Hour Estimated Energy consumption kWh Temperature ºC Compare 2 Dec 2017 kWh 1 Dec 2017 Estimated Energy consumption Estimated Energy consumption 1...

Page 143: ... 0 C 25 0 C 27 0 C M T W T F S S Delete No 1 Time SET 10 00 25 0 c Change Please select the day you would like to copy to Mon Tue Wed Thu Fri Sat Sun OK Edit timer Copy timer Weekly timer SET Living Room My Home ON 24 5 C Cool Set time Set conditions Weekly timer 10 58 14 02 11 12 00 59 13 01 OK My Home 26 28 18 Jan 13 02 24 5 C Cool Living Room Statistics Weekly timer Quiet Powerful ON AUTO AUTO ...

Page 144: ... ID Replace the device List of devices List of groups Change the router settings Changing device password Make sure the device is correct and enter old password and new password Password must be 8 15 characters with letters and numbers My Home Living Room Target device Old password C123456789 Old password New password New password Re enter new password Register Edit the name of the user Input old ...

Page 145: ...t Change router settings My Home Living Room Device ID Set up the wireless network again when you replaced the wireless router or changed the password You will have to set up each device if two or more air conditioners are connected to the same router C123456789 Cancel Start Tap Start Tap Start Edit the device information and settings Delete the device Device list My Home Living Room Air condition...

Page 146: ... 450 18 4 3139 2060 264 2885 1999 352 2498 1815 450 20 13 3 2618 2557 277 2391 2343 356 2163 2119 450 15 8 2880 2056 271 2614 1931 354 2327 1778 451 Dry bulb value based on 46 humidity 19 1 2 CS HZ35XKE CU HZ35XKE Indoor C Outdoor DB C DB WB 16 25 35 TC SHC IP TC SHC IP TC SHC IP 27 19 0 4348 3596 455 4226 3576 615 3500 3230 800 22 0 4888 2775 432 4613 2635 611 4086 2465 796 23 15 7 3982 3503 476 ...

Page 147: ...0 20 3600 1620 4200 1750 4780 1880 5000 1940 5430 1910 7500 2160 7867 2131 16 3627 1520 4364 1693 4838 1742 4998 1830 5557 1912 7813 2152 8235 2143 19 2 2 CS HZ35XKE CU HZ35XKE Indoor C Outdoor WB C DB 25 26 20 21 15 16 7 8 2 1 7 6 12 11 TC IP TC IP TC IP TC IP TC IP TC IP TC IP 24 3573 1685 4014 1900 4863 2108 4647 1992 5316 1990 7224 2243 7671 2240 20 3700 1680 4300 1820 5000 1980 5120 2000 5720...

Page 148: ...Z25XKE CU HZ25XKE CS HZ25XKE 5 CU HZ25XKE 5 Indoor Discharge Air Temperature C Low Pressure MPa Low Pressure Psi Current A Outdoor Air Temperature C 15 20 25 30 35 40 45 Outdoor Air Temperature C 15 20 25 30 35 40 45 Outdoor Air Temperature C Outdoor Air Temperature C 15 25 35 45 1 00 1 20 1 40 1 60 1 80 2 00 2 20 2 40 2 60 1 10 1 12 1 14 1 16 1 18 1 20 1 22 1 24 1 26 1 28 159 000 162 000 165 000 ...

Page 149: ...Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C 15 25 30 20 35 40 45 50 15 25 30 20 35 40 45 50 15 25 30 20 35 40 45 50 0 95 1 00 1 05 1 10 1 15 138 000 145 000 152 000 159 000 166 000 13 00 13 50 14 00 14 50 15 00 15 50 16 00 16 50 17 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 ...

Page 150: ...ndoor Discharge Air Temperature C High Pressure MPa High Pressure Psi Current A Outdoor Air Temperature C 30 25 20 15 10 5 0 5 10 30 25 20 15 10 5 0 5 10 Outdoor Air Temperature C 30 25 20 15 10 5 0 5 10 Outdoor Air Temperature C 12 16 20 24 28 32 36 0 80 1 00 1 20 1 40 1 60 1 80 2 00 2 20 2 40 2 60 2 80 3 00 0 80 1 00 1 20 1 40 1 60 1 80 2 00 2 20 116 000 145 000 174 000 203 000 232 000 261 000 2...

Page 151: ...ssure Psi Current A Outdoor Air Temperature C 30 25 20 15 10 5 0 5 10 Outdoor Air Temperature C 30 25 20 15 10 5 0 5 10 Outdoor Air Temperature C 30 25 20 15 10 5 0 5 10 1 2 1 4 1 6 1 8 2 0 2 2 2 4 174 000 203 000 232 000 261 000 290 000 319 000 348 000 16 20 24 28 32 36 1 4 2 0 2 6 3 2 3 8 4 4 ...

Page 152: ... 9812 15 0 9773 20 0 9698 Note The graphs show the factor after added right amount of additional refrigerant Heating Capacity 3 1 0041 5 1 0000 7 5 0 9956 10 0 9897 12 0 9853 15 0 9795 20 0 9690 0 94 0 95 0 96 0 97 0 98 0 99 1 00 1 01 1 02 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Correction Factor Pipe Length m 0 90 0 95 1 00 1 05 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 153: ...pose of parts disassembly and replacement The non numbered parts are not kept as standard service parts O I 41 O I 42 I I 49 I I 51 I I 47 I I 48 I I 50 CWH55025J CWH55051AJ 4 2 5 8 9 35 39 20 10 12 11 18 15 13 14 38 17 16 1 3 7 27 25 26 29 28 24 23 21 22 19 33 36 37 37 36 32 31 62 40 30 58 59 60 61 36 63 62 ...

Page 154: ... ACXH62 00790 22 VERTICAL VANE 10 ACXE24 04000 23 CONNECTING BAR 1 ACXE26 02550 24 AIR SWING MOTOR ASSY 1 ACXA98K00220 O 25 AIR SWING MOTOR 1 ACXA98 02420 O 26 GEAR COMPLETE 1 ACXH68C00520 O 27 CAP DRAIN TRAY 1 CWH521096 28 HORIZONTAL VANE COMPLETE BIG 1 ACXE24C04660 29 HORIZONTAL VANE COMPLETE 1 ACXE24C04670 30 REMOTE CONTROL COMPLETE 1 ACXA75C21260 O 31 FRONT GRILLE COMPLETE 1 ACXE10C14210 32 IN...

Page 155: ...RK 60 SHOCK ABSORBER RIGHT 1 ACXG70 12970 61 C C CASE 1 ACXG50 58840 62 MODEL LABEL 2 ACXF85 74510 ACXF85 74520 ACXF85 74530 63 PARTICULAR PIECE LOCK 3 ACXD93 18690 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 156: ...he purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 42 40 52 50 48 49 51 41 33 3 46 47 21 15 54 23 24 25 32 37 35 43 34 31 20 7 12 11 8 10 9 4 36 39 44 29 1 2 13 26 22 16 28 14 5 18 45 6 30 38 5 19 27 17 ...

Page 157: ...ER 1 CWB121021 19 STRAINER 1 ACXB11 01560 20 HOLDER COUPLING 1 CWH351233 21 2 WAYS VALVE 1 ACXB02 03370 22 EXPANSION VALVE 1 ACXB05 00400 O 23 TERMINAL COVER 1 CWH171039A 24 NUT TERMINAL COVER 1 CWH7080300J 25 SOUND PROOF BOARD 1 CWH151273 26 V COIL CO FOR 4 WAY VALVE 1 ACXA43C00250 O 27 HOLDER SENSOR 1 CWH32075 28 V COIL CO FOR EXP VALVE 1 ACXA43C01520 O 29 REACTOR 1 G0C392J00039 O 30 SOUND PROOF...

Page 158: ...CWG302745 46 PANASONIC BADGE 1 CWE373439 47 NORDIC HEATPUMP LABEL 1 CWE373985 48 BAG 1 ACXG86 03760 49 BASE BOARD COMPLETE 1 CWG62C1162 50 SHOCK ABSORBER R 1 CWG713415 51 SHOCK ABSORBER L 1 CWG713416 52 C C CASE 1 ACXG50 48900 54 MODEL LABEL 2 ACXF85 69250 ACXF85 69260 ACXF85 69270 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in st...

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