Panasonic CS-Z25UFEAW Service Manual Download Page 146

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146

SAFETY REF. NO.

PART NAME & DESCRIPTION

QTY

CS-Z50UFEAW

REMARK

CHASSIS-COMPLETE

ACXD50C01620

FAN MOTOR BRACKET (BOTTOM)

ACXD54-01370

FAN MOTOR BRACKET (TOP)

ACXD54-01380

FAN MOTOR

L6CBYYYL0253

SCREW-BRACKET FAN MOTOR

XTN4+12CFJ

CROSS-FLOW FAN-COMPLETE

ACXH02C00850

EVAPORATER COMPLETE

ACXB30C17150

FLARE NUT (LIQUID)

CWT251048

FLARE NUT (GAS)

CWT251032

PARTICULAR PIECE -TERMINAL

ACXD93-15770

TERMINAL BOARD-COMPLETE

ACXA28C05290

ELECTRONIC CONTROLLER - MAIN

ACXA73C41810

ELECTRONIC CONTROLLER - INDICATOR

ACXA73-19200

INDICATOR HOLDER

ACXD93-10910

ELECTRONIC CONTROLLER - RECEIVER

ACXA73-19210

SENSOR-CO. (PIPING AND SUCTION TEMP)

ACXA50C13490

DISCHARGE GRILLE-COMPLETE

ACXE20C02960

WIRE NET

ACXD04-00980A

FULCRUM

ACXH62-00470

SHAFT

ACXH63-01090

AIR SWING MOTOR (FRONT)

CWA981264

AIR SWING MOTOR (TOP)

CWA981299

SHAFT

ACXH63-01340

VERTICAL VANE

ACXE24-02100

VERTICAL VANE

ACXE24-02110

CONNECTING BAR

ACXE26-01530

HORIZONTAL VANE

ACXE24-02070

PARTICULAR PIECE

ACXD93-16690

GENERATOR COMPLETE

ACXH94C00580

DUCT-COMPLETE

ACXD22C00190

CONTROL BOARD COVER-COMPLETE

ACXH13C05030

DRAIN PAN-COMPLETE

ACXH40C00700

FLEXIBLE PIPE

ACXH85-02890

FRONT GRILLE-COMPLETE

ACXE10C06700

SELF TAPPING SCREW-FRONT GRILLE

XTT4+16CFJ

VANE-COMPLETE

ACXE24C02790

GRILLE DOOR-COMPLETE

ACXE14C00960

INTAKE GRILLE-COMPLETE

ACXE22C02330

38A

LOCK-INTAKE GRILLE

ACXD93-10630

STRING-COMPLETE

ACXH84C00190

AIR FILTER

ACXD00-01370

REMOTE CONTROL COMPLETE

ACXA75C13500

OPERATING INSTRUCTION

ACXF55-19350

OPERATING INSTRUCTION

ACXF55-19360

OPERATING INSTRUCTION

ACXF55-19370

OPERATING INSTRUCTION

ACXF55-20140

INSTALLATION INSTRUCTION

ACXF60-28280

Summary of Contents for CS-Z25UFEAW

Page 1: ...his service information by anyone else could result in serious injury or death PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit CAUTION R32 REFRIGERANT This Air Conditioner contains and operates with refrigerant R32 THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL Refer t...

Page 2: ... 14 4 Airflow Direction 73 14 5 Quiet Operation Cooling Mode Cooling Area of Dry Mode 73 14 6 Quiet Operation Heating 74 14 7 Powerful Mode Operation 74 14 8 Timer Control 74 14 9 Auto Restart Control 75 14 10 Indication Panel 75 14 11 HA Terminal HAJEM A 75 14 12 nanoeX Operation 76 15 Operation Control For Multi Split Connection 77 15 1 Cooling operation 77 15 2 Soft Dry Operation 77 15 3 Heatin...

Page 3: ...3 Specifications designs and contents in this Service Manual are subject to change without notice 22 Exploded View and Replacement Parts List 143 22 1 Indoor Unit 143 22 2 Outdoor Unit 148 ...

Page 4: ...utdoor unit near handrail of veranda When installing air conditioner unit on veranda of a high rise building child may climb up to outdoor unit and cross over the handrail causing an accident 3 Do not use unspecified cord modified cord joint cord or extension cord for power supply cord Do not share the single outlet with other electrical appliances Poor contact poor insulation or over current will...

Page 5: ...onnection point of terminal fire or electrical shock 22 This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD with sensitivity of 30mA at 0 1 sec or less Otherwise it may cause electrical shock and fire in case of equipment breakdown or insulation breakdown 23 During installation install the refrigerant piping properly before ...

Page 6: ...15 16A 3 4 1 5HP 16A 2 0HP power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent connection Use an approved 16A 1 2 1 75HP circuit breaker for the permanent connection It must be a double pole switch with a minimum 3 0 mm contact gap 9 Installation or servicing work It may need two people to carry out the installation or servici...

Page 7: ...rvice personnel Any qualified person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority which authorizes their competence to handle refrigerants safely in accordance with an industry recognised assessment specification Servicing shall only be performed as recommended by the equipment manufa...

Page 8: ...ing the system That there is continuity of earth bonding At all times the manufacturer s maintenance and service guidelines shall be followed If in doubt consult the manufacturer s technical department for assistance If a fault exists that could compromise safety then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with If the fault cannot be corrected immed...

Page 9: ...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 already Extreme care shall be taken not to over fill the refrigeration system Prior to recharging the system it shall be pr...

Page 10: ...with a set of instructions 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 in satisfactory working order has been pr...

Page 11: ... dB A 38 25 20 39 26 20 Power Level dB 54 55 Outdoor Noise H L QLo dB A 46 48 Power Level dB 61 63 Heating Capacity kW 0 85 3 40 5 00 0 85 4 30 6 00 BTU h 2900 11600 17100 2900 14700 20500 kcal h 730 2920 4300 730 3700 5160 Running Current A 3 50 4 80 Input Power W 240 760 1 35k 240 1 08k 1 75k COP W W 3 54 4 47 3 70 3 54 3 98 3 43 BTU hW 12 08 15 26 12 67 12 08 13 61 11 71 kcal hW 3 04 3 84 3 19 ...

Page 12: ...irflow QLo Cool m 3 min ft 3 min 5 0 177 5 0 177 Heat m 3 min ft 3 min 5 0 177 5 0 177 Lo Cool m 3 min ft 3 min 5 8 205 6 0 212 Heat m 3 min ft 3 min 5 9 208 6 1 215 Me Cool m 3 min ft 3 min 7 5 265 7 7 272 Heat m 3 min ft 3 min 7 8 275 8 0 283 Hi Cool m 3 min ft 3 min 9 60 340 9 90 350 Heat m 3 min ft 3 min 9 90 350 10 10 355 SHi Cool m 3 min ft 3 min 9 8 346 10 2 360 Heat m 3 min ft 3 min 10 2 3...

Page 13: ...rmostat Electronic Control Electronic Control Protection Device Electronic Control Electronic Control Dry Bulb Wet Bulb Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum C 32 23 32 23 Minimum C 16 11 16 11 Heating Maximum C 30 30 Minimum C 16 16 Outdoor Operation Range Cooling Maximum C 43 26 43 26 Minimum C 10 10 Heating Maximum C 24 18 24 18 Minimum C 15 16 15 16 1 Cooling capacities are ...

Page 14: ...L QLo dB A 44 31 27 Power Level dB 60 Outdoor Noise H L QLo dB A 48 Power Level dB 63 Heating Capacity kW 0 90 5 80 8 10 BTU h 3070 19800 27600 kcal h 770 4990 6970 Running Current A 7 00 Input Power W 260 1 55k 2 60k COP W W 3 46 3 74 3 12 BTU hW 11 81 12 77 10 62 kcal hW 2 96 3 22 2 68 ErP Pdesign kW 4 4 Tbivalent C 10 SCOP W W 4 3 Annual Consumption kWh 1433 Class A Power Factor 96 Indoor Noise...

Page 15: ... 5 9 Indoor Airflow QLo Cool m 3 min ft 3 min 6 4 226 Heat m 3 min ft 3 min 7 0 247 Lo Cool m 3 min ft 3 min 7 1 251 Heat m 3 min ft 3 min 7 9 279 Me Cool m 3 min ft 3 min 9 2 325 Heat m 3 min ft 3 min 9 9 350 Hi Cool m 3 min ft 3 min 11 60 410 Heat m 3 min ft 3 min 13 20 465 SHi Cool m 3 min ft 3 min 12 0 424 Heat m 3 min ft 3 min 13 5 477 Outdoor Airflow Hi Cool m 3 min ft 3 min 39 7 1400 Heat m...

Page 16: ...Wet Bulb Indoor Operation Range Cooling Maximum C 32 23 Minimum C 16 11 Heating Maximum C 30 Minimum C 16 Outdoor Operation Range Cooling Maximum C 43 26 Minimum C 10 Heating Maximum C 24 18 Minimum C 15 16 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...

Page 17: ...m 20 20 20 Allowable elevation m 10 10 10 Total allowable pipe length m 30 30 30 Total pipe length for maximum chargeless length m 20 20 20 Additional gas amount over chargeless length g m 15 15 15 Note Available Remarks for CU 2Z35TBE CU 2Z41TBE CU 2Z50TBE 1 The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor...

Page 18: ... 10 Total allowable pipe length m 30 30 30 Total pipe length for maximum chargeless length m 20 20 20 Additional gas amount over chargeless length g m 15 15 15 Note Available Remarks for CU 2E12SBE CU 2E15SBE CU 2E18SBE 1 The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor unit as shown in the table above Exam...

Page 19: ...Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickl...

Page 20: ...r Air Outlet Aluminium Fin Air filters Air Inlet String Front Panel INDICATOR Auto OFF ON button Use when remote control is misplaced or a malfunction occurs nanoe X operation LCD display Quiet operation Operation mode Fan speed selection Powerful operation OFF ON Temperature setting Airflow direction adjustment Clock setting Timer setting ...

Page 21: ... Dimensions 6 1 Indoor Unit Unit mm Remote Control Holder Remote Control 59 165 69 64 750 207 Side View Side View Front View Top View Back View Bottom View 49 7 101 3 71 6 60 45 106 5 600 65 4 80 4 75 80 5 ...

Page 22: ... View Front View Top View Unit mm 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure 1000 mm 100 mm 100 mm Top View Front View Side View Side View Anchor Bolt Pitch 330 540 Space necessary for installation 100 mm 100 mm 1000 mm Unit mm 3 way valve at Gas side Low Pressure 2 way valve at Liquid side High Pressure 22 124 62 6 330 619 167 97 69 20 62 32 540 160 824 68 7 37 ...

Page 23: ...7 7 613 34 7 131 72 875 35 82 360 5 131 Side View Side View Front View Top View Unit mm 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure Anchor Bolt Pitch 360 5 613 Space necessary for installation 100 mm 100 mm 1000 mm ...

Page 24: ...OOR OUTDOOR INTAKE AIR TEMP SENSOR AIR TEMP SENSOR PIPE TEMP SENSOR 1 PIPE TEMP SENSOR 2 TANK SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR 4 WAYS VALVE CONDENSER MUFFLER MUFFLER STRAINER STRAINER EXPANSION VALVE ...

Page 25: ...MP SENSOR PIPE TEMP SENSOR AIR TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR CONDENSER PROCESS TUBE STRAINER EXPANSION VALVE 4 WAYS VALVE TANK SENSOR PIPE TEMP SENSOR 1 PIPE TEMP SENSOR 2 RECEIVER ...

Page 26: ...301 VA301 SC TEM P FUSE SINGLE PHASE POWER SUPPLY M COMPRESSOR FAN MOTOR Q1 Q35 Q36 D19 RY AC RY PWR DB103 D24 NTC NTC PTC PTC1 SC NTC REACTOR TH2 TH3 4 WAY VALVE TH1 IC25 FUSE101 DB101 FUSE2 FUSE104 FUSE103 SEN1 FUSE3 NOISE FILTER L 1 2 3 N MS 3 MS 3 INDOOR UNIT OUTDOOR UNIT ...

Page 27: ...OUTDOOR UNIT INDOOR UNIT FUSE 301 VA301 SC TEM P FUSE SINGLE PHASE POWER SUPP LY M NOISE FILTER MS 3 COMPRESSOR Q1 MS 3 IC19 FAN MO TOR FUSE3 FUSE6 FUSE5 REAC TOR FUSE8 4 WAY VALVE RY AC RY PWR PTC PTC2 TH1 NTC SEN1 FUSE1 L N 1 2 3 ...

Page 28: ... CN RCV YLW CN RCV WHT ELECTRONIC CONTROLLER DISPLAY ELECTRONIC CONTROLLER RECEIVER REMOTE CONTROLLER 1 4 GR R GR W W BL GR GR 1 1 2 5 CN1 WHT CN2 WHT NANOE ION GENERATOR CN RMT WHT 4 1 CN STM1 BLU 1 5 CN NANO BLU 1 4 HAJEM A WHT CN STM2 WHT 1 5 6 1 CN TH RED 1 M 5 PIPING TEMPERATURE SENSOR 1 THERMISTOR PIPING TEMPERATURE SENSOR 2 THERMISTOR UP DOWN LOUVER MOTOR TOP UP DOWN LOUVER MOTOR FRONT t SU...

Page 29: ...A FUSE 3 20A GRN GRN 1 2 3 TERMINAL BOARD L N YELLOW YEL OR T W TRADEMARK COMPRESSOR TERMINAL THE PARENTHESIZED LETTERS IS INDICATED ON TERMINAL COVER BLUE BLU OR S V RED RED OR R U CN TH1 WHT CN TANK WHT RED RED BLU BLU BLK PNK WHT YLW YLW RED U BLU V YLW W U V W 1 4 1 3 CN STM WHT 1 6 P N Q1 OUTDOOR AIR TEMP SENSOR THERMISTOR PIPING TEMP SENSOR THERMISTOR COMPRESSOR TEMP SENSOR THERMISTOR CN HOT...

Page 30: ... CIRCUIT SWITCHING POWER SUPPLY CIRCUIT CN TH1 WHT CN TANK WHT CN HOT WHT 1 1 1 1 3 3 6 4 OUTDOOR AIR TEMP SENSOR THERMISTOR PIPING TEMP SENSOR THERMISTOR COMPRESSOR TEMP SENSOR THERMISTOR ELECTRO MAGNETIC COIL 4 WAY VALVE YLW YLW YLW RED BLU COMPRESSOR ELECTRO MAGNETIC COI EXPANSION VALVE MS 3 ELECTRONIC CONTROLLER MS 3 COMPERSSOR TERMINAL THE PARENTHESIZED LETTERS IS INDICATED ON TERMINAL COVER ...

Page 31: ...PERATURE SENSOR 1 THERMISTOR PIPING TEMPERATURE SENSOR 2 THERMISTOR UP DOWN LOUVER MOTOR TOP UP DOWN LOUVER MOTOR FRONT t SUCTION TEMPERATURE SENSOR THERMISTOR t t 1 M 5 HIGH VOLTAGE POWER SUPPLY BR R O Y P BR R O Y P 5V C25 1µ 16V R62 15 0k 1 C27 1µ 16V R61 20 0k 1 C28 1µ 16V R63 20 0k 1 13V 1 2 3 4 5 6 7 16 9 15 14 13 12 11 10 IC02 13V 1 2 3 4 5 6 7 16 9 15 14 13 12 11 10 IC03 C52 1000p 50V C57 ...

Page 32: ...STOR COMPRESSOR TEMP SENSOR THERMISTOR CN HOT WHT 1 3 ELECTRO MAGNETIC COIL 4 WAY VALVE COMPRESSOR MS 3 ELECTRONIC CONTROLLER MAIN 1 1 3 5 3 W 10 14 16 IC25 V U CN MTR2 WHT CN MTR1 RED RAT2 GRY GRY RAT1 GRY GRY SOUND PROOF BOARD MS 3 FAN MOTOR D20 1A5 G2 15V e c 13V C174 G2 G2 D76 D75 D73 D74 A K A K A K A K 5V G5 C5 1u KB 10V R1 4 99k 1 5V G5 G5 R11 15 8k 1 B1 C9 1u 10V KY C88 220u 10V R12 15k 1 ...

Page 33: ...TIFICATION CIRCUIT PFC CIRCUIT COMMUNICATION CIRCUIT RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY CIRCUIT CN TH1 WHT CN TANK WHT CN HOT WHT 1 1 1 1 3 3 6 4 OUTDOOR AIR TEMP SENSOR THERMISTOR PIPING TEMP SENSOR THERMISTOR COMPRESSOR TEMP SENSOR THERMISTOR ELECTRO MAGNETIC COIL 4 WAY VALVE YLW YLW YLW RED BLU COMPRESSOR ELECTRO MAGNETIC COI EXPANSION VALVE MS 3 ELECTRONIC CONTROLLER MS 3 FUSE 8 T3 1...

Page 34: ...Printed Circuit Board 11 1 Indoor Unit 11 1 1 Main Printed Circuit Board CN RCV AC306 G301 CN FM AC304 AC303 CN NANO CN RMT CN CNT CN STM1 CN STM2 HAJEM A CN TH CN DISP JP1 Random Auto Restart enable disable ...

Page 35: ...35 11 1 2 Display Printed Circuit Board 11 1 3 Receiver Printed Circuit Board CN DISP CN RCV LED201 ...

Page 36: ...Outdoor Unit 11 2 1 Main Printed Circuit Board 11 2 1 1 CU Z25UBEA CU Z35UBEA POWER TRANSISTOR IPM CURRENT TRANSFORMER CT CN DEMAND CN TH1 CN MTR1 CN TANK CN HOT CN MTR2 CN V1 CN STM AC BLK DATA AC WHT FG1 FG2 ...

Page 37: ...37 11 2 1 2 CU Z50UBEA CN HOT CN STM1 CN TH1 CN MTR1 CN MTR2 CN TANK AC BLK DATA AC WHT POWER TRANSISTOR IPM CURRENT TRANSFORMER CT ...

Page 38: ... Refrigerant charge amount in appliance in kg LFL Lower flammable limit 0 306 kg m3 h0 Installation height of the appliance 0 6m for floor console 12 1 1 Selecting the Installation Location 12 1 1 1 Indoor Unit Before choosing the installation site obtain user approval There should not be any heat source or steam near the unit There should not be any obstacles blocking the air circulation A place ...

Page 39: ... Pipe size reducer CZ MA1P for CS Z50 when connect to multi 12 1 3 Installing the Indoor Unit 12 1 3 1 Exposed Installation 12 1 3 1 1 Refrigerant piping 1 Drill a hole 70mm in diameter in the spot indicated by the symbol in the illustration as below 2 The location of the hole is different depending on which side of the pipe is taken out 3 For piping see 12 1 5 Connecting the refrigerant piping 4 ...

Page 40: ...he front panel to remove it Slide Shaft to disassemble top vane Remove 2 screws and disengage center hook then dismount front grille For Moldings and Side Piping Remove the pillars Remove the slit portions on the bottom frame using nippers CAUTION When the wall is hollow please be sure to use the sleeve for tube ass y to prevent dangers caused by mice biting the connecting cable 15 mm ø70 through ...

Page 41: ...llustration on the right 12 1 3 2 2 Installation of supplemental plate for attaching indoor unit The rear of the unit can be fixed with screws at the points shown in the illustration as below Be sure to install the supplemental plate in accordance with the depth of the inner wall Floor Installation Wall Installation Casing 6 screws 2 M4 25L To access these 2 locations long screw driver is required...

Page 42: ...eps below o Press continuously for more than 5 seconds to enter special setting mode o Press to choose function 69 and then press or to set 01 o Press to activate Up down air swing upper limit restriction 12 1 3 3 2 Refrigerant piping Left bottom piping Right bottom piping 70 10 80 Hole location 5 Wall 45 50 Wall Right left side piping Unit piping position Unit mm SET T 5secs Special setting mode ...

Page 43: ...erting the flare nut locate at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table Do not overtighten overtightening may cause gas leakage Piping size Torque 6 35 mm 1 4 18 N m 1 8 kgf cm 9 52 mm 3 8 42 N m 4 3 kgf cm 12 7 mm 1 2 55 N m 5 6 kgf cm 15 88 mm 5 8 65 N m 6 6 kgf cm 19 05 mm 3 4 100 N m 10 2 kgf c...

Page 44: ... should be approved polychloroprene sheathed 4 x 1 5 mm2 flexible cord designation type 60245 IEC 57 H05RN F or heavier cord Allowable connection cable length of each indoor unit shall be 30 m or less o Ensure that the terminal numbers on the indoor unit are connected to the same terminal numbers on the outdoor unit by the right coloured wires as shown in the diagram o Earth lead wire should be lo...

Page 45: ...n terminal board gap between wires WARNING RISK OF FIRE JOINING OF WIRES MAY CAUSE OVERHEATING AND FIRE Do not joint wires OR OR OR Use complete wire without joining Use approved socket and plug with earth pin Wire connection in this area must follow to national wiring rules ACCEPT PROHIBITED PROHIBITED Wire stripping No loose strand when inserted 10 1 mm ...

Page 46: ...tart installation according to Indoor Outdoor Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø10 mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails Model A B C D Z25 570 mm 105 mm 18 5 mm 320 mm Z35 540 mm 160 mm 18 5 mm 330 mm Z50 613 mm 131 mm 24 mm 360 5 m...

Page 47: ...N m 6 6 kgf m 19 05 mm 3 4 100 N m 10 2 kgf m 12 2 4 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve o Be sure to connect the end of the charging hose with the push pin to the servi...

Page 48: ...tion 60245 IEC 57 or heavier cord Allowable connection cable length of each indoor unit shall be 30 m or less 4 Connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below 5 Secure the power supply cord and connection cable onto the control board with the holder 6 Attach the control board cover back to the original position with screw 7 Fo...

Page 49: ... unit is used in an area where temperature falls below 0 C for 2 or 3 days in succession it is recommended not to use a drain elbow for the drain water freezes and the fan will not rotate 1 To cut 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 Bar Handle ...

Page 50: ...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 51: ...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 52: ...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 53: ...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 54: ...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 55: ...or 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 56: ...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 57: ... 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 58: ...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 59: ...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 60: ...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 61: ...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 62: ...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 63: ...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 64: ...mall 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 ...

Page 65: ...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 66: ...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 67: ... 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 68: ...an obstructing heat suction 3 Is the setting temperature on the remote controller correct is the setting temperature set at lower higher than the room temperature 13 8 2 Understanding and verification of refrigerant cycle Heat exchanger Heat exchanger Compressor COMP 4 way valve Condenser COND Expansion valve Liquid side 2 way valve Gas side 3 way valve High temp High pressure Air Mid temp High pr...

Page 69: ...ure Excess insertion of refrigerant Clogged capillary expansion valve malfunction Heat releasing obstruction Clog by moisture Dirty condenser attachment of impurity Lack of refrigerant gas Compressor malfunction Operation electric current Excess insertion of refrigerant Lack of refrigerant gas Heat releasing obstruction Compressor malfunction Dirty condenser impurity Mixture of air Insufficient ev...

Page 70: ...n 14 1 2 1 Thermostat control 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 14 1 3 1 Thermostat contro...

Page 71: ...OOL mode is decided o If 2 5 C indoor intake temperature remote control setting temperature 4 0 C maintain with previous mode o If indoor intake temperature remote control setting temperature 2 5 C HEAT mode is decided 14 2 Indoor Fan Motor Operation 14 2 1 Basic Rotation Speed rpm A Basic Rotation Speed rpm i Manual Fan Speed Cooling Dry Fan motor s number of rotation is determined according to r...

Page 72: ...otor error is detected Operation stops and cannot on back 14 3 Outdoor Fan Motor Operation It starts when compressor starts operation and it stops 30 seconds after compressor stops operation During cooling operation and outdoor ambient temperature is below 8 C outdoor fan speed will be controlled according to outdoor piping temperature as following OD Pipe Temperature A 26 C B 33 C During above co...

Page 73: ... as stated above and the positions of the vane are as Figure 2 below When the air conditioner is stopped using remote control the vane will shift to close position 14 4 2 Horizontal Airflow The horizontal airflow direction louver can be adjusted manually by hand 14 5 Quiet Operation Cooling Mode Cooling Area of Dry Mode Purpose o To provide quiet cooling operation compare to normal operation Contr...

Page 74: ...al setting to quiet setting of respective fan speed Fan speed for quiet operation is reduced from setting fan speed o Fan Speed Auto Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger 14 7 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift lower up to 2 0 C for Cooling Soft Dry or higher up to 3 5 C for Heating than remote control...

Page 75: ...eration mode judgment or ON timer sampling If Timer LED is blinking there is an abnormality operation occurs 14 11 HA Terminal HAJEM A Enable digital connection from indoor unit to external devices Control items 1 Start stop input 2 Start stop signal output Condition 1 1 2 Pulse input Unit ON OFF condition switching with a pulse signal 1 pulse signal shortage status 200 300msec 2 3 4 Static output...

Page 76: ...6 14 12 nanoeX Operation To purify the air in order to enjoy freshness and cleaner environment This operation provides clean air moisturises your skin and hair reduces and neutralises odours in the room ...

Page 77: ...etting temperature Capability supply OFF point 15 3 Heating Operation 15 3 1 Thermostat control Capability supply to indoor unit is OFF Expansion valve closed when Intake Air Temperature Internal setting temperature 1 0 C During this condition the indoor fan is stopped if compressor is ON Capability resume supply to indoor unit after waiting for 3 minutes if the Intake Air Temperature Internal set...

Page 78: ...ode Operation When the powerful mode is selected the internal setting temperature will shift lower up to 4 0 C for Cooling Soft Dry or higher up to 6 0 C for heating than remote control setting temperature This operation stops automatically after 20 minutes 15 7 Auto Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate between thre...

Page 79: ...4 66 10 41 14 66 Cooling Soft Dry B C 4 71 5 52 9 96 Heating 5 25 7 69 10 41 4 The first 30 minutes of cooling operation A will be applied 16 1 3 IPM Power transistor Prevention Control 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 temperature decreases to 110 C 3 If this condi...

Page 80: ...eating operations Indoor piping temperature indoor suction is under 5 C Control contents o Compressor stops and restart after 3 minutes o If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 16 1 6 Low Frequency Protection Control 1 When the compressor operate at frequency lower than 24 Hz continued for 20 minutes the operation fr...

Page 81: ...tdoor high pressure rise protection 16 2 3 Freeze Prevention Control 1 When indoor heat exchanger temperature is lower than 0 C continuously for 6 minutes compressor will stop operating Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger temperatu...

Page 82: ...ary operation this control is not applicable o Control content Depends on compressor conditions 1 Compressor OFF Compressor ON The indoor unit fan stops temporarily and then starts to blow at minimum airflow for 30 seconds 2 Compressor ON Compressor OFF The indoor unit fan stops for 90 seconds and then blows at minimum airflow for 20 seconds 16 3 Protection Control for Heating Operation 16 3 1 Int...

Page 83: ... indoor fan speed will be reduced 16 3 6 Deice Operation When outdoor pipe temperature and outdoor air temperature is low deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks 16 3 7 Low Pressure Protection Control During low ambient heating operation if the pipe temperature drops below 24 C the max frequency will be reduced and limited If it does not ris...

Page 84: ...e is in standby condition and press AC RESET button and then press any 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 i...

Page 85: ...sor 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 ru...

Page 86: ...on o Press TEMP increment or decrement button to choose No 5 o Press Timer increment or decrement button to select desired temperature low limit of set temperature for HEAT mode o Press Timer Set button to confirm low limit selection o Press TEMP increment or decrement button to choose No 6 o Press Timer decrement or increment button to select desired temperature high limit of set temperature for ...

Page 87: ...s 1 Operation ON 2 Under Real ON OFF time setting mode 3 To enter zone 1 area 4 To enter zone 2 area Press continuously for T 5 secs Special setting display area highlighted in color Function No Options If any Enter Zone1 range 1 49 Normal display mode Once T 5secs Enter Zone2 range 50 99 Enter Zone1 Normal display mode ...

Page 88: ...r check None No display 53 DOA check None No display 54 Odor cut control selection Enable 01 Disable 00 00 01 55 Frequency tolerance selection 3Hz 03 7Hz 07 03 07 56 Fixed fan speed selection during heat mode compressor OFF Enable 01 Disable 00 00 01 57 nanoe check None No display 58 Heat mode thermo shift adjustment 3 C 3 C 59 Others Cool Dry mode thermo shift adjustment 3 C 3 C 60 Deice start de...

Page 89: ...cient compressor Insufficient refrigerant Excessive amount of refrigerant Dusty condenser preventing heat radiation Measuring the air temperature difference Measuring electric current during operation Less than 8 C at the cooling mode Less than 14 C at the heating mode Higher than specified Gas side pressure Clogged strainer or capillary tube Measuring gas side pressure Cooling Mode High Lower tha...

Page 90: ...e Electric current during operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry out the measurement of pressure electric current and temperature fifteen minutes after an operation is started ...

Page 91: ...lay Memorized Error Code Protective Operation 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 92: ...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 93: ...d 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 wire and connector F90 Power factor correction PFC circuit protection 4 times hap...

Page 94: ...ly abnormal fluctuation Defect in communication circuitry of outdoor unit PCB Replace the PCB Measure the DC voltage at terminal 2 3 communication Is the measured DC voltage fluctuate between 10 70V Measure the AC voltage at terminal 1 2 of indoor unit Is the measured voltage 230 240V YES Measure the DC voltage at terminal 2 3 of indoor unit Is the measured DC voltage fluctuate between 10 70V For ...

Page 95: ...are interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error due to wrong wiring Indoor outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units Troubleshooting ...

Page 96: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 97: ...n Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 98: ...ion Conditions An input current detected by Current Transformer CT is below threshold value when the compressor is operating at certain frequency value for 3 minutes Malfunction Caused Lack of gas Broken CT current transformer Broken Outdoor PCB Troubleshooting ...

Page 99: ...termine abnormal fan motor feedback of rotation 2550 rpm or 50 rpm Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty indoor unit PCB Troubleshooting ...

Page 100: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 101: ... Replace the outdoor unit PCB Defect in outdoor intake air temperature sensor Replace the outdoor intake air temperature sensor NO NO YES YES Check the connector connection Plug out connector from the indoor unit PCB Is the connector connection normal Measure the resistance of the indoor pipe temperature sensor Check the outdoor air temperature sensor Is the measured resistance of the outdoor inta...

Page 102: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 103: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 104: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 105: ...unction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 106: ...Malfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused Wrong models interconnected Wrong indoor unit and outdoor unit PCBs used Indoor unit or outdoor unit PCB defective Troubleshooting ...

Page 107: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 108: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 109: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 110: ... it rotate Is the resistance normal Use an inverter check to check on the power transistor on board Connect it to PCB s CN MRT2 port Turn power ON and run the unit Do all 6 LED light turn ON and turn OFF periodically Does the voltage at each terminal becomes 5 and 0Vdc repeatedly U NO YES V W NO YES NO YES NO YES When abnormality indication starts again Turn off power supply and rotate fan by hand...

Page 111: ...gh pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation Phenomena unit is stopping and re starting very often in heating mode Malfunction Caused Indoor heat exchanger thermistor Clogged air filter or heat exchanger Over bent pipe liquid side Troubleshooting ...

Page 112: ...l takes place when indoor pipe temperature is lower than 2 C Malfunction Caused Air short circuit at indoor unit Clogged indoor unit air filter Dust accumulation on the indoor unit heat exchanger 2 3 way valve closed Faulty indoor unit fan motor Refrigerant shortage refrigerant leakage Clogged expansion valve or strainer Faulty indoor pipe temperature sensor Faulty indoor unit PCB Troubleshooting ...

Page 113: ... is cold during heating except deice or when indoor heat exchanger is hot during cooling and compressor operating the 4 way valve is detected as malfunction Malfunction Caused Indoor heat exchanger pipe thermistor 4 way valve malfunction Troubleshooting Check gas side pipe for hot gas flow in cooling mode ...

Page 114: ...erature and indoor pipe temperature is above 10 C or indoor pipe temperature is below 1 0 C Remark When the indoor standby unit is freezing the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit s Malfunction Caused Wrong wiring connection Faulty sensor Faulty expansion valve Troubleshooting ...

Page 115: ...startup and operation of cooling and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors When DC voltage detected is LOW transistor switching will turn ON by controller to push up the DC level When DC voltage detected is HIGH 391Vdc 425Vdc active LOW signal will send by the controller to turn OFF relay RY...

Page 116: ...frigeration Cycle Abnormality Malfunction Decision Conditions The input current is low while the compressor is running at higher than the setting frequency Malfunction Caused Lack of gas 3 way valve close Troubleshooting ...

Page 117: ...tion Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disconnect Faulty Outdoor PCB Faulty compressor Troubleshooting ...

Page 118: ...y the outdoor unit heat exchanger thermistor Malfunction Caused Outdoor heat exchanger temperature rise due to short circuit of hot discharge air flow Outdoor heat exchanger temperature rise due to defective of outdoor fan motor Outdoor heat exchange temperature rise due to defective outdoor heat exchanger thermistor Outdoor heat exchanger temperature rise due to defective of outdoor unit PCB Trou...

Page 119: ...ted o Heat Sink Overheating During operation of cooling and heating when heat sink temperature data 90 C is detected by the heat sink temperature sensor Malfunction Caused IPM overheats due to short circuit of hot discharge air flow IPM overheats 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 M...

Page 120: ...ling and heating when compressor tank temperature data 112 C is detected by the compressor tank temperature sensor Malfunction Caused Faulty compressor tank temperature sensor 2 3 way valve closed Refrigerant shortage refrigerant leakage Faulty outdoor unit PCB Faulty compressor Troubleshooting ...

Page 121: ...ion of cooling and heating when an input over current X value in Total Running Current Control is detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Excessive refrigerant Faulty outdoor unit PCB Troubleshooting ...

Page 122: ...heating when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry Malfunction Caused DC current peak due to compressor failure DC current peak due to defective power transistor s DC current peak due to defective outdoor unit PCB DC current peak due to short circuit Troubleshooting ...

Page 123: ...he capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 19 1 Remove the Front Panel 1 Push in the tab on the both side of the Front Panel Front Panel 2 Release the string 3 Slide up to take out the Front Panel ...

Page 124: ...ille 2 Take out the Front Vane Slide the hook to left side 1 Release the hook in the right side of the Top Vane and then take out the Top Vane Top Vane Front Vane 3 Release the 2 screws to take out of the Front Grille Front Grille ...

Page 125: ... Remove the Control Board cover 5 Release the screw to remove the nanoeX Generator complete 4 Release the Terminal and connectors as below from the main PCB 6 Release the 2 screws to take out of the Discharge Grille Discharge Grille Main PCB nanoeX Generator Complete 1 CN TH 2 CN STM2 3 CN STM1 4 CN NANO 5 AC303 6 CN FM Caution Do not pull out these connectors lead wire CN DISP CN RCV due to it fi...

Page 126: ...inal 3 Detach the 2 terminal black red color 4 Release the screw of the Terminal Board 5 Release the screw at bottom of the Control Board and then slide out hold Control Board 6 Remove the Control Board plate 7 Detach the Main PCB from the 4 hooks Main PCB ...

Page 127: ...127 19 5 Remove the Drain Pan 19 6 Remove the Cross Flow Fan and Fan Motor 1 Release the 2 screws to remove the Drain Pan Drain Pan 1 Release the 3 screws from the particular piece Evaporator Evaporator ...

Page 128: ...128 2 Remove the screw that holding Cross Flow Fan Motor axis 3 Release the 4 screws of the Fan Motor Fan Motor can be removed after the removal of the Cross Flow Fan Cross Flow Fan ...

Page 129: ... by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 Top Panel Screws Screw Screws Screws Screws Screw Front Panel Hooks Top Cover Hooks Terminal Board Cover Screw Control Board Control Board Release 3 Terminal Connectors L N and Earth Wire Screw Then Remove 4 Terminal Connectors of DRM Remove 2 Screws of Plate Terminal Board Remove of Screw Control Board Release 2 Earth Wire ...

Page 130: ... electrostatic discharge 1 Remove the 5 screws of the Top Panel Fig 1 2 Remove the 8 screws of the Front Panel Fig 2 3 Remove the 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 ...

Page 131: ...Controller by 4 hooks Fig 3 5 Remove 2 screws for the plate of Terminal Board Cover Fig 4 6 Remove the Control Board Fig 5 7 Remove the 4 screws of the Electronic Controller Fig 6 Screw Top Panel Screws Screws Screws Screw Screws Front Panel Hooks Screw Terminal Board Cover Hooks Top Cover Screws Plate of Terminal Board Cover Control Board Release screw of Control Board Release 3 terminal connecto...

Page 132: ...0 2937 860 22 0 4608 2532 599 4662 2541 533 4644 2549 560 4642 2537 535 4870 2660 479 4443 2510 651 3890 2265 857 23 15 7 3563 2957 517 3493 2925 671 3792 3156 571 3554 3003 618 3789 3018 500 3618 3002 668 2998 2670 851 18 4 3264 2150 334 3916 2420 657 4170 2589 584 4169 2565 534 4186 2489 490 3988 2466 665 3277 2106 850 20 13 3 2739 2519 265 2817 2627 405 2794 2688 416 2899 2702 363 3041 2718 374...

Page 133: ...60 20 2 2 CS Z35UFEAW CU Z35UBEA Indoor C Outdoor WB C DB 15 7 2 7 12 TC IP TC IP TC IP TC IP TC IP 24 2554 1188 3180 1392 4140 1584 3923 1083 3803 871 20 2710 1180 3370 1410 4350 1550 4300 1080 4496 1047 16 2945 1146 3223 1335 4294 1435 4509 1084 4851 1080 20 2 3 CS Z50UFEAW CU Z50UBEA Indoor C Outdoor WB C DB 15 7 2 7 12 TC IP TC IP TC IP TC IP TC IP 24 3534 1792 4746 2034 5586 2361 5292 1555 51...

Page 134: ...Voltage 230V 21 1 1 CS Z25UFEAW CU Z25UBEA Indoor Discharge Air Temperature C Indoor Discharge Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Low Pressure MPa Current A 2 00 2 50 3 00 14 19 24 29 34 39 44 0 90 1 00 1 10 1 20 14 19 24 29 34 39 44 13 00 13 50 14 00 14 50 15 00 15 50 16 00 14 19 24 29 34 39 44 Outdoor Air Temperature C 16 30 35 43 14 2...

Page 135: ...rent A Outdoor Air Temperature C 16 30 35 43 10 55 11 63 12 50 13 44 Indoor Discharge Air Temperature C Outdoor Air Temperature C 16 30 35 43 3 17 3 57 3 90 4 28 Current A Outdoor Air Temperature C 16 30 35 43 0 88 0 96 0 97 1 01 Low Pressure MPa 2 00 2 50 3 00 3 50 4 00 4 50 5 00 14 19 24 29 34 39 44 0 60 0 80 1 00 1 20 14 19 24 29 34 39 44 8 00 9 00 10 00 11 00 12 00 13 00 14 00 14 19 24 29 34 3...

Page 136: ...1 0 11 8 Indoor Discharge Air Temperature C Outdoor Air Temperature C 10 30 35 40 5 04 5 66 6 20 6 81 Current A Outdoor Air Temperature C 10 30 35 40 0 81 0 88 0 90 0 91 Low Pressure MPa 2 00 3 00 4 00 5 00 6 00 7 00 8 00 9 00 8 0 9 0 10 0 11 0 12 0 13 0 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 7 9 11 13 15 17 19 21 23 25 2...

Page 137: ... Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C High Pressure MPa Current A 1 00 2 00 3 00 4 00 5 00 6 00 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 20 24 28 32 36 40 44 20 15 10 5 0 5 10 15 20 15 10 5 0 5 10 15 20 15 10 5 0 5 10 15 Outdoor Air Temperature C 15 10 7 2 33 17 33 97 35 51 38 68 7 39 45 12 39 89 Indoor Discharge Air Temperature C Outdoor Air Temperatu...

Page 138: ... 5 0 5 10 15 20 15 10 5 0 5 10 15 1 00 2 00 3 00 4 00 5 00 6 00 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 20 24 28 32 36 40 44 48 High Pressure MPa Outdoor Air Temperature C 15 10 7 2 29 41 32 39 34 41 40 36 7 43 44 12 46 03 Indoor Discharge Air Temperature C Outdoor Air Temperature C 15 10 7 2 3 45 3 75 3 94 4 50 7 4 80 12 5 10 Current A Outdoor Air Temperature C 15 10 7 2 1 90 2 04 2 14 2 46 7 2 69 12...

Page 139: ...ature C 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 Outdoor Air Temperature C 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 0 00 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 High Pressure MPa Outdoor Air Temperature C 15 10 7 2 31 74 34 71 36 69 42 15 7 45 42 12 48 10 Indoor Discharge Air Temperature C Outdoor Air Temperature C 15 10 7 2 4 29 4 78 5 27 6 59 7 7 00 12 7 41 Current A ...

Page 140: ...25UBEA Cooling Capacity Correction Factor Cooling Capacity Correction Factor Heating Capacity Correction Factor Pipe Length m Pipe Length m 3 1 0096 5 1 0000 10 0 9781 20 0 9628 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 0 80 0 90 1 00 1 10 3 1 0042 5 1 0000 10 0 9896 20 0 9688 ...

Page 141: ...ection Factor Heating Capacity Correction Factor Pipe Length m Pipe Length m 3 1 0080 5 1 0000 10 0 9850 20 0 9656 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 3 1 0118 5 1 0000 10 0 9800 20 0 9392 0 90 1 00 1 10 0 80 0 90 1 00 1 10 ...

Page 142: ... Cooling Capacity Correction Factor Cooling Capacity Correction Factor Heating Capacity Correction Factor Pipe Length m Pipe Length m 3 1 0134 5 1 0000 20 0 9677 30 0 9576 3 1 0075 5 1 0000 20 0 9286 30 0 8905 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 0 80 ...

Page 143: ...non numbered parts are not kept as standard service parts CWH55025J x 11 x 2 CWH55051AJ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I O I O I O I O I 18 25 24 19 26 27 28 22 21 20 23 1 62 6 7 4 3 5 13 14 12 31 65 66 63 10 15 11 33 40 32 34 29 30 35 38A 37 39 38 17 36 8 9 41 61 64 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 42 43 44 45 2 16 ...

Page 144: ...70 20 SHAFT 2 ACXH63 01090 21 AIR SWING MOTOR FRONT 1 CWA981264 O 22 AIR SWING MOTOR TOP 1 CWA981299 O 23 SHAFT 2 ACXH63 01340 24 VERTICAL VANE 8 ACXE24 02100 25 VERTICAL VANE 2 ACXE24 02110 26 CONNECTING BAR 2 ACXE26 01530 27 HORIZONTAL VANE 1 ACXE24 02070 28 PARTICULAR PIECE 1 ACXD93 16690 29 GENERATOR COMPLETE 1 ACXH94C00580 O 30 DUCT COMPLETE 1 ACXD22C00190 31 CONTROL BOARD COVER COMPLETE 1 AC...

Page 145: ...TION 1 ACXF60 28360 55 INSTALLATION INSTRUCTION 1 ACXF60 28370 56 INSTALLATION INSTRUCTION 1 ACXF60 28380 57 INSTALLATION INSTRUCTION 1 ACXF60 28390 58 INSTALLATION INSTRUCTION 1 ACXF60 28400 59 INSTALLATION INSTRUCTION 1 ACXF60 28410 60 INSTALLATION INSTRUCTION 1 ACXF60 28420 61 ACCESSORY COMPLETE 1 ACXH82C06370 62 INSTALLING HOLDER 1 CWH361122 63 BAG 1 ACXG86 03890 64 SHOCK ABSORBER R 1 ACXG70 0...

Page 146: ...2 ACXH63 01090 21 AIR SWING MOTOR FRONT 1 CWA981264 O 22 AIR SWING MOTOR TOP 1 CWA981299 O 23 SHAFT 2 ACXH63 01340 24 VERTICAL VANE 8 ACXE24 02100 25 VERTICAL VANE 2 ACXE24 02110 26 CONNECTING BAR 2 ACXE26 01530 27 HORIZONTAL VANE 1 ACXE24 02070 28 PARTICULAR PIECE 1 ACXD93 16690 29 GENERATOR COMPLETE 1 ACXH94C00580 O 30 DUCT COMPLETE 1 ACXD22C00190 31 CONTROL BOARD COVER COMPLETE 1 ACXH13C05030 3...

Page 147: ...CTION 1 ACXF60 28360 55 INSTALLATION INSTRUCTION 1 ACXF60 28370 56 INSTALLATION INSTRUCTION 1 ACXF60 28380 57 INSTALLATION INSTRUCTION 1 ACXF60 28390 58 INSTALLATION INSTRUCTION 1 ACXF60 28400 59 INSTALLATION INSTRUCTION 1 ACXF60 28410 60 INSTALLATION INSTRUCTION 1 ACXF60 28420 61 ACCESSORY COMPLETE 1 ACXH82C06370 62 INSTALLING HOLDER 1 CWH361122 63 BAG 1 ACXG86 03890 64 SHOCK ABSORBER R 1 ACXG70 ...

Page 148: ...d replacement The non numbered parts are not kept as standard service parts 34 15 17 11 10 9 23 21 20 38 39 19 26 28 25 32 30 12 22 6 5 3 8 7 2 31 4 1 41 27 33 16 14 24 29 36 40 46 44 13 43 42 I I 52 I I 60 I I 53 I I 61 I I 54 I I 62 I I 55 I I 63 I I 56 I I 64 I I 57 I I 65 I I 58 I I 66 I I 59 93 94 92 90 91 ...

Page 149: ...F MATERIAL 1 CWG302948 24 SENSOR CO COMP TEMP 1 CWA50C2205 O 25 CONTROL BOARD COVER TOP 1 ACXH13 00450 26 ELECTRONIC CONTROLLER MAIN 1 ACXA73C39660R O 27 TERMINAL BOARD ASSY 1 CWA28K1110J O 28 CABINET SIDE PLATE CO 1 ACXE04C00460 29 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C3079 O 30 CABINET SIDE PLATE LEFT 1 CWE041858A 31 CABINET FRONT PLATE CO 1 CWE06C1566 32 CABINET TOP PLATE 1 CWE031230A 33 PLA...

Page 150: ...2 INSTALLATION INSTRUCTION 1 ACXF60 27560 63 INSTALLATION INSTRUCTION 1 ACXF60 27570 64 INSTALLATION INSTRUCTION 1 ACXF60 27580 65 INSTALLATION INSTRUCTION 1 ACXF60 27590 66 INSTALLATION INSTRUCTION 1 ACXF60 27600 90 BAG 1 CWG861078 91 BASE BOARD COMPLETE 1 CWG62C1223 92 SHOCK ABSORBER L 1 CWG713779 93 SHOCK ABSORBER R 1 CWG713778 94 C C CASE 1 ACXG50 06590 NOTE All parts are supplied from PAPAMY ...

Page 151: ...ment The non numbered parts are not kept as standard service parts 32 40 26 27 33 28 34 38 19 39 21 20 9 31 11 10 15 1 16 17 4 23 46 22 2 3 8 7 5 30 12 24 29 41 43 13 6 25 45 I I 49 I I 57 I I 50 I I 58 I I 51 I I 59 I I 52 I I 60 I I 53 I I 61 I I 54 I I 62 I I 55 I I 63 I I 56 44 42 93 92 94 90 91 14 ...

Page 152: ...OMP TEMP 1 CWA50C2894 O 25 CONTROL BOARD COVER TOP 1 CWH131473 26 ELECTRONIC CONTROLLER MAIN 1 ACXA73C39670R O 27 TERMINAL BOARD ASSY 1 CWA28K1110J O 28 CABINET SIDE PLATE CO RIGHT 1 CWE04C1411 29 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C3078 O 30 CABINET SIDE PLATE 1 CWE041579A 31 CABINET FRONT PLATE CO 1 ACXE06C02830 32 CABINET TOP PLATE 1 CWE031148A 33 PLATE C B COVER TERMINAL 1 CWH131470 34 CO...

Page 153: ...0 INSTALLATION INSTRUCTION 1 ACXF60 27570 61 INSTALLATION INSTRUCTION 1 ACXF60 27580 62 INSTALLATION INSTRUCTION 1 ACXF60 27590 63 INSTALLATION INSTRUCTION 1 ACXF60 27600 90 BAG 1 ACXG86 03760 91 BASE BOARD COMPLETE 1 CWG62C1144 92 SHOCK ABSORBER L 1 CWG713416 93 SHOCK ABSORBER R 1 CWG713415 94 C C CASE 1 CWG568358 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked part...

Page 154: ...The non numbered parts are not kept as standard service parts 46 67 41 6 3 24 23 12 47 10 59 11 45 9 1 22 7 4 42 2 58 68 66 5 31 40 30 8 25 38 x 2 x 2 20 19 62 14 15 27 28 18 I I 72 I I 80 I I 73 I I 81 I I 74 I I 82 I I 75 I I 83 I I 76 I I 84 I I 77 I I 85 I I 78 I I 86 I I 79 54 93 92 94 90 91 48 49 43 33 ...

Page 155: ...C00250 O 28 V COIL COMPLETE EXP VALVE 1 ACXA43C00640 O 30 SENSOR COMPLETE AIR PIPE TEMP 1 CWA50C3079 31 REACTOR 1 G0C392J00027 O 33 TERMINAL BOARD ASSY 1 CWA28K1110J O 38 ELECTRONIC CONTROLLER MAIN 1 ACXA73C39680R O 40 CONTROL BOARD COVER TOP 1 ACXH13 00490 41 CABINET SIDE PLATE LEFT 1 ACXE04 00580 42 HANDLE 1 CWE161010 43 CABINET SIDE PLATE RIGHT 1 ACXE04C00720 45 CABINET FRONT PLATE CO 1 ACXE06K...

Page 156: ... 27560 83 INSTALLATION INSTRUCTION 1 ACXF60 27570 84 INSTALLATION INSTRUCTION 1 ACXF60 27580 85 INSTALLATION INSTRUCTION 1 ACXF60 27590 86 INSTALLATION INSTRUCTION 1 ACXF60 27600 90 BAG 1 CWG861461 91 BASE BOARD COMPLETE 1 CWG62C1131 92 SHOCK ABSORBER L 1 CWG713217 93 SHOCK ABSORBER R 1 CWG713218 94 C C CASE 1 CWG568359 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked...

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Panasonic CS-Z25UFEAW, Service Manual

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