Panasonic CS-HZ25UKE Service Manual Download Page 1 | Manualshive

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Panasonic CS-HZ25UKE Service Manual Download Page 1

© Panasonic Corporation 2018

Order No: PAPAMY1807098CE

Indoor Unit

Outdoor Unit

CS-HZ25UKE
CS-HZ35UKE

CS-HZ25UKE-5

CU-HZ25UKE
CU-HZ35UKE

CU-HZ25UKE-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.

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.

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

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Summary of Contents for CS-HZ25UKE

Page 1: ...ormation by anyone else could result in serious injury or death 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 shoc...

Page 2: ...n Control 63 14 1 Basic Function 63 14 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 Auto Restart Control 69 14 10 Indication Panel 69 14 11 8 15 C Heat Operation 70 14 12 nanoe X Operation 71 14 13 ...

Page 3: ...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 applia...

Page 4: ...nsulation 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 vapor from entering sumps or sewers since vapor is heavier than air and may form suffocating atmospheres 3 Do not release refrigerant during piping work for installation re installation and durin...

Page 5: ...l water etc does not enter the piping Also when storing the piping securely seal the opening by pinching taping etc Handling of R32 is similar to R410A 6 Operation maintenance repairing and refrigerant recovery should be carried out by trained and certified personnel in the use of flammable refrigerants and as recommended by the manufacturer Any personnel conducting an operation servicing or maint...

Page 6: ...he risk of a flammable gas or vapour being present while the work is being performed All maintenance staff and others working in the local area shall be instructed and supervised on the nature of work being carried out Avoid working in confined spaces Always ensure away from source at least 2 meter of safety distance or zoning of free space area of at least 2 meter in radius Wear appropriate prote...

Page 7: ...ot 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 components all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers e...

Page 8: ...ements shall be followed Ensure that contamination of different refrigerants does not occur when using charging equipment Hoses or lines shall be as short as possible to minimize the amount of refrigerant contained in them Cylinders shall be kept upright Ensure that the refrigeration system is earthed prior to charging the system with refrigerant Label the system when charging is complete if not a...

Page 9: ...equipment that is at hand and shall be suitable for the recovery of concerning the equipment that is at hand and shall be suitable for the recovery of flammable refrigerants In addition a set of calibrated weighing scales shall be available and in good working order Hoses shall be complete with leak free disconnect couplings and in good condition Before using the recovery machine check that it is ...

Page 10: ...Level dB 60 Outdoor Noise H L QLo dB A 46 43 Power Level dB 61 Heating Capacity kW 0 85 3 20 7 30 BTU h 2900 10900 24900 kcal h 730 2750 6280 Running Current A 2 70 Input Power W 165 570 2 15k COP W W 5 15 5 61 3 40 BTU hW 17 58 19 12 11 58 kcal hW 4 42 4 82 2 92 ErP Pdesign kW 3 0 Tbivalent C 10 SCOP W W 5 2 Annual Consumption kWh 808 Class A Power Factor 92 Indoor Noise H L QLo dB A 45 24 18 Pow...

Page 11: ... 10 56 373 Heat m 3 min ft 3 min 12 07 426 Hi Cool m 3 min ft 3 min 14 00 495 Heat m 3 min ft 3 min 15 60 550 SHi Cool m 3 min ft 3 min 14 86 525 Heat m 3 min ft 3 min 16 48 582 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 12k 39 5 F Gas GWP 675 PREC...

Page 12: ...door 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 Power and COP m...

Page 13: ...oise H L QLo dB A 48 45 Power Level dB 63 Heating Capacity kW 0 85 4 20 7 75 BTU h 2900 14300 26400 kcal h 730 3610 6670 Running Current A 3 95 Input Power W 165 840 2 27k COP W W 5 15 5 00 3 41 BTU hW 17 58 17 02 11 63 kcal hW 4 42 4 30 2 94 ErP Pdesign kW 3 8 Tbivalent C 10 SCOP W W 5 1 Annual Consumption kWh 1043 Class A Power Factor 92 Indoor Noise H L QLo dB A 45 25 18 Power Level dB 61 Outdo...

Page 14: ...at m 3 min ft 3 min 12 07 426 Hi Cool m 3 min ft 3 min 14 00 495 Heat m 3 min ft 3 min 15 60 550 SHi Cool m 3 min ft 3 min 14 86 525 Heat m 3 min ft 3 min 16 48 582 Outdoor Airflow Hi Cool m 3 min ft 3 min 34 40 1215 Heat m 3 min ft 3 min 35 60 1255 Refrigeration Cycle Control Device Expansion Valve Refrigerant Oil cm 3 FW50S 450 Refrigerant Type g oz R32 1 12k 39 5 F Gas GWP 675 PRECHARGED AMOUNT...

Page 15: ...ure 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 Power and COP measured at 23...

Page 16: ...g soft dry operation Operation Improvement o Quiet mode to reduce the indoor 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 housing appliances which may be destroyed by...

Page 17: ... is misplaced or a malfunction occurs Vertical airflow direction louver Do not adjust by hand Indicator Aluminium fin 5 2 Outdoor Unit Air inlet rear Air outlet Air inlet side 5 3 Remote Control 8 15 Heat Operation Operation mode Check Timer setting Wireless LAN features Temperature setting Fan speed selection Clock setting Airflow direction adjustment Remote control display POWERFUL QUIET operati...

Page 18: ...ernal dimensions line Installation plate 128 439 85 137 128 432 DISTANCE TO PIPE HOLE CENTER 128 mm DISTANCE TO PIPE HOLE CENTER 128 mm PIPEHOLECENTER PIPE HOLE CENTER 128 241 5 241 5 Remote Control Transmitter 59 165 Close 217 Open 69 64 Remote Control Holder 230 295 60 41 5 0 5 0 5 Right piping hole Left piping hole Air intake direction Air outlet direction 60 41 5 0 5 0 5 870 2 0 5 2 0 5 105 8 ...

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 62 6 330 622 167 97 69 20 62 32 540 160 824 68 7 46 299 ...

Page 20: ...EMP SENSOR PIPE TEMP SENSOR TANK TEMP SENSOR INTAKE 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 DISCHARGE MUFFLER ...

Page 21: ...GLE PHASE POWER SUPPLY 1Ø 230V 50Hz SC TEMPERATURE FUSE M FUSE 501 FUSE 502 INDOOR UNIT u L N FUSE 301 TEMPERATURE FUSE 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 ...

Page 22: ...URE FUSE M FUSE 501 FUSE 502 INDOOR UNIT u L N FUSE 301 TEMPERATURE FUSE 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 ...

Page 23: ...OMMUNICATON CIRCUIT NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT FUSE301 T3 15A L250V FUSE502 20A 250V FUSE501 20A 250V ELECTRONIC CONTROLLER MAIN ELECTRONIC CONTROLLER WIFI MODULE GR GR GR GR GR W BR G Y BR R O Y P BR R O Y P BR R O Y P UP DOWN LOUVER MOTOR OUTER UP DOWN LOUVER MOTOR INNER SUCTION TEMP SENSOR THERMISTOR PIPING TEMP SENSOR 1 THERMISTOR LEFT RIGHT LOUVER MOTOR M M M Y G Y G Y G FAN M...

Page 24: ... STM1 WHT CN HOT WHT FUSE 3 T3 15A L250V 1 t t t 1 1 6 1 4 3 3 YLW YLW RED BLU YLW U RED U V P N Q1 W V BLU W YLW M RAT1 GRY RAT2 GRY GRY GRY REACTOR FUSE 6 20A 250V FUSE 1 20A 250V FUSE 8 T3 15A L250V FUSE 5 20A 250V NOISE FILTER CIRCUIT TERMINAL BOARD DATA RED AC BLK BLK AC WHT WHT GRN GRN FG1 FG2 HT2 BLU ACN2 BLU CN MTR2 WHT CN MTR1 RED W U V 10 14 16 IC19 1 1 3 3 5 MS 3 FAN MOTOR BASE PAN HEAT...

Page 25: ...ER SUPPLY NOT CONNECTED 2 3 NANOE ION GENERATOR HIGH VOLTAGE POWER SUPPLY TO OUTDOOR UNIT TEMP FUSE 102 C 3A TEMP FUSE 102 C 3A FOR INDOOR POWER SUPPLY CONNECTION FOR OUTDOOR POWER SUPPLY CONNECTION R406 NONE R403 510 Rx R404 510 Tx R402 NONE R405 2 2k R93 10k C401 1u 10V B1 Q400 R401 10k 1 8W 5 C400 R400 S D G 5V C403 NONE C402 NONE C404 1000p B1 50V 5V 5V 12V 1 16 IC03 2 15 IC03 3 14 IC03 4 13 I...

Page 26: ...D U V P N Q1 W V BLU W YLW M RAT1 GRY RAT2 GRY GRY GRY REACTOR FUSE 6 20A 250V FUSE 1 20A 250V FUSE 8 T3 15A L250V FUSE 5 20A 250V NOISE FILTER CIRCUIT TERMINAL BOARD DATA RED AC BLK BLK AC WHT WHT GRN GRN FG1 FG2 HT2 BLU ACN2 BLU CN MTR2 WHT CN MTR1 RED W U V 10 14 16 IC19 1 1 3 3 5 MS 3 FAN MOTOR BASE PAN HEATER 1 3 BLU BLU GRN TO INDOOR UNIT RED WHT BLK L N 1 2 3 BLK WHT GRN FOR OUTDOOR POWER S...

Page 27: ...1 1 Main Printed Circuit Board AC303 CN STM1 CN STM2 CN NANO CN STM3 CN RCV CN DISP CN WLAN CN TH SW01 CN FM JP1 Random Auto Restart enable disable CN RMT CN CNT 11 1 2 Indicator Printed Circuit Board LED206 CN DISP LED205 LED204 LED203 LED202 LED201 ...

Page 28: ...28 11 1 3 Receiver Printed Circuit Board CN RCV 11 1 4 High Voltage Power Supply Printed Circuit Board 11 1 4 1 nanoeX CN2 11 1 5 Wireless LAN Module Printed Circuit Board Network Adapter ...

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

Page 30: ...al refrigerant should be 50 g 10 7 5 m 20 g m 50 g Amin M 2 5 LFL 5 4 h0 2 Amin Required minimum room area in m2 M Refrigerant charge amount in appliance in kg LFL Lower flammable limit 0 306 kg m3 h0 Installation height of the appliance 1 8 m for wall mounted is standard reference installed height 2 5 m for wall mounted is recommended installed height given by manufacturer 12 1 3 Indoor Outdoor U...

Page 31: ...ll consider using anchor bolts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 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 posit...

Page 32: ...it section Below steps are done after connecting the outdoor piping and gas leakage confirmation Cover for the bottom piping 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 Drain hose Sleeve for piping hole Indoor unit Hooks at installation plate Piping marking Installation plate Unit s h...

Page 33: ...ng the screw 5 Cable connection to the power supply through Isolating Devices Disconnecting means o Connect approved type polychloroprene sheathed power supply cord 3 1 5 mm2 type designation 60245 IEC 57 or heavier cord to the 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 fr...

Page 34: ... with the holder 11 Close grille door by tighten with screw and close the front panel In case of outdoor power supply 3 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 too...

Page 35: ...ellow Green Y G in colour and longer than other AC wires for safety reason 12 2 4 1 Wire Stripping and Connecting Requirement Wire stripping No loose strand when inserted 10 1 mm 5 mm or more gap between wires Indoor 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 ...

Page 36: ...ase make flare after inserting the flare nut onto the copper pipes When properly flared the internal surface of the flare will evenly shine and be of even thickness Since the flare part comes into contact with the connections carefully check the flare finish Improper flaring Inclined Surface damaged Cracked Uneven thickness 1 To cut 2 To remove burrs 3 To flare Bar Red arrow mark Handle Core Yoke ...

Page 37: ...nits to avoid leaking Seal sufficiently 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 Apply neutral cure Alkoxy type and ammonia free silicone sealant along the circumference Neutral cure Alkoxy type ammonia free silicone sealant is only to be applied after pressure testing and cl...

Page 38: ...he Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 N m...

Page 39: ...door connection cable Indoor unit WARNING This equipment must be properly earthed In case of outdoor power supply 3 Cable connection to the power supply through Isolating Devices Disconnecting means o Connect approved type polychloroprene sheathed power supply cord 3 1 5 mm2 type designation 60245 IEC 57 or heavier cord to the terminal board and connect the others end of the cord to Isolating Devi...

Page 40: ...lder Indoor outdoor connection cable Power supply cord Indoor unit Isolating Devices WARNING This equipment must be properly earthed For wire stripping and connection requirement refer to instruction 12 2 4 of indoor unit Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason 12 3 ...

Page 41: ...PURPOSE The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec to below 8 sec A pep sound will occur at the fifth sec in order to identify the starting of Test Run operation 3 HEATING TRIAL OPERATION Press the AUTO switch continuously for more than 8 sec to below 11 sec and release when a pep pep sound is occured at eight sec However a pep sound is ...

Page 42: ... temperature and the discharge is more than 8 C during Cooling operation or more than 14 C during Heating operation Discharge air 12 3 11 How to Replace Network Adapter Remove the front grille refer how to take out front grille from the unit Remove the network adapter box by releasing the hook Figure 1 0 Remove the cover by unclipping it and pulling it out Figure 1 1 Remove the top casing by press...

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: ...izes 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 Ma...

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: ...ly loosen the charging hose in discharging side of recovery device and perform air purge the recovery cylinder needs slight inside pressure 7 Insert electric plug of recovery device into electrical outlet the fan operation starts 8 Turn the valve 1 and 2 of recovery device to pressure equalization point 9 After a few seconds turn back the valve 1 and 2 to the original position 10 Turn the switch o...

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: ...rm the provision of gas 1 Slightly open the propane valve of the torch and make sure the gas comes out from the torch crater and then close the propane valve 2 Slightly 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 propan...

Page 57: ... flame Blue color Oxidizing Flame Oxygen is more compared to the neutral flame Although the flame size is small 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 White core flame Outer flame Blue orange color 13 7 6 Closing the flame In case of short break ...

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 Gap 0 025 0 05 mm Insert diameter 10 25 mm Inner diameter ø6 45 Outer diameter ø6 35 Brazing material Runny Brazing material Hard to flow ...

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: ... side 3 way valve High temp High pressure Air Mid temp High pressure Liquid Low temp Pressure liquid Low temp Low pressure Air Evaporator EVA FM Fan Fan Capillary tube Indoor unit Temp difference Suction temp Cooling ８ or more Release temp Heating １４ or more Measured after 15 mins with strong fan operation Cooling Gas pressure 0 9 1 2MPa Low temp Low pressure Air Low temp Low pressure liquid Cooli...

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: ...ed continuously whenever the electrical power is supplied to the unit Remote Control Setting Temperature 16 C 30 C Setting Temperature Limit Checking Min 16 C Max 33 C Internal Setting Temperature Auto Operation Mode Shifting Powerful Mode Shifting Indoor Air Temperature Shifting Outdoor Air Temperature Shifting 14 1 2 Cooling Operation 14 1 2 1 Thermostat control Compressor is OFF when Intake Air...

Page 64: ...t onwards o If indoor intake temperature remote control setting temperature 3 C if previous operate in DRY mode then continue in DRY mode otherwise COOL mode is decided o If 2 C indoor intake temperature remote control setting temperature 3 C maintain with previous mode o If indoor intake temperature remote control setting temperature 2 C HEAT mode is decided Heat Maintain current mode Cool Dry 6 ...

Page 65: ... 35o C 39o C 16o C 19o C B Feedback control 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 ba...

Page 66: ...Dry Auto 65 115 58 100 Manual 65 67 94 100 115 58 63 70 80 100 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...

Page 67: ...ne Angle 90 65 77 5 102 5 115 14 5 Quiet Operation Cooling Mode Cooling Area of Dry Mode A Purpose To provide quiet cooling operation compare to normal operation B Control condition a Quiet operation start condition When POWERFUL QUIET button at remote control is pressed to select QUIET b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a POW...

Page 68: ...on When the powerful mode is selected the internal setting temperature will shift lower up to 1 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...

Page 69: ...ontrol 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 10 Indication Panel LED POWER TIMER 8 15 C HEAT DEICE Color White White White White White White Light ON Operation ON Timer Setting ON 8 15 C HEAT ON Deice ON Wireless LAN Mode ON nanoe TM X Mode ON Light OFF Operation OFF Timer Setting OFF 8 15 C HE...

Page 70: ...ry reset default condition set temperature always start with 13 0 C OFF timer activates OFF timer activates OFF timer activates ON timer activates OR ON timer activates OR ON timer activates OR OR OR OR OR OR 1 Summer house set temperature follows previously fixed set temperature 8 0 C 15 0 C Transmit 8 15 C HEAT Go back to previous LCD setting tranmit code Go back to previous LCD setting tranmit ...

Page 71: ...disabled when fan speed 360 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 72: ...de Disconnection abnormality will judged when disconnection counter 1 Abnormal code H67 will memorized in EEPROM Timer LED blinking and nanoe X LED Off o Other Than Above 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...

Page 73: ...rk Adaptor from the appliance product s during operations Data transmitted and received over radio waves may be intercepted and monitored Maximum radio frequency power transmitted in the frequency bands Type of wireless Frequency band Max EIRP dBm WLAN 2412 2472 MHz 20 dBm 14 13 2 Connecting Network Press to communicate with the home wireless LAN access point Wireless LAN LED blinks to indicate th...

Page 74: ... an interval No Signal OFF It will stop automatically after 10 minutes To stop immediately press Wireless LAN button 14 13 7 Wireless LAN Failure Diagnosis 14 13 7 1 Between ID Micon and Wireless LAN Module Failure Detect Condition When module and ID micon CN LAN communication is following below condition o No response against sending data o Reply error against sending data o Regularly sending fro...

Page 75: ... Confirm condition The interrupted condition continue more than 5 minutes and retry is implemented After confirm the failure operation Not H85 error display and Wireless LAN LED is blinking Cancel condition Communication is return between Wireless LAN router After cancel return to normal operation and Wireless LAN LED is light up ...

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