Panasonic CS-PZ25TKE Service Manual Download Page 114

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114

17.5.12 H33 (Unspecified Voltage between Indoor and Outdoor)

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

Summary of Contents for CS-PZ25TKE

Page 1: ...ienced 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 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 c...

Page 2: ...eference Analysis method for no error code no cooling no warming 79 14 Operation Control 81 14 1 Basic Function 81 14 2 Indoor Fan Motor Operation 82 14 3 Outdoor Fan Motor Operation 83 14 4 Airflow Direction 83 14 5 Timer Control 85 14 6 Random Auto Restart Control 86 14 7 Indication Panel 86 14 8 Quiet Operation Cooling Mode Cooling Area of Dry Mode 86 14 9 Quiet Operation Heating 87 14 10 Power...

Page 3: ...sit or step on the unit you may fall down accidentally 8 The appliance shall be installed and or operated in a room with floor area larger than Amin m 2 refer Table A and keep away from ignition sources such as heat sparks open flame or hazardous areas such as gas appliances gas cooking reticulated gas supply systems or electric cooking appliances etc 9 Keep plastic bag packaging material away fro...

Page 4: ...It may cause toxic gas when the refrigerant contacts with fire 28 Be aware that refrigerants may not contain an odour 29 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electrical shock in case of equipment breakdown or insulation breakdown CAUTION 1 Do not install the unit in a place where ...

Page 5: ...uthority which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification Servicing shall only be performed as recommended by the equipment manufacturer Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants Se...

Page 6: ...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 7: ...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 8: ...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 9: ... 20 Indoor Noise Power Level dB 53 54 dB A H L Q Lo 48 48 Cooling Outdoor Noise Power Level dB 64 64 kW 0 80 3 15 3 60 0 80 3 84 4 40 BTU h 2730 10700 12300 2730 13100 15000 Capacity kcal h 690 2710 3100 690 3300 3780 Running Current A 3 40 4 60 Input Power W 195 770 1 03k 195 1 04k 1 27k W W 4 10 4 09 3 50 4 10 3 69 3 46 BTU hW 14 00 13 90 11 94 14 00 12 60 11 81 COP kcal hW 3 54 3 52 3 01 3 54 3...

Page 10: ...t h 1 5 3 2 2 0 4 2 Cool m 3 min ft 3 min 4 90 173 4 90 173 QLo Heat m 3 min ft 3 min 6 74 238 6 95 245 Cool m 3 min ft 3 min 6 52 230 7 28 257 Lo Heat m 3 min ft 3 min 7 60 268 8 90 314 Cool m 3 min ft 3 min 8 41 297 9 00 318 Me Heat m 3 min ft 3 min 9 27 327 10 03 354 Cool m 3 min ft 3 min 10 3 365 10 7 380 Hi Heat m 3 min ft 3 min 11 0 390 11 2 395 Cool m 3 min ft 3 min 10 84 383 11 81 417 Indo...

Page 11: ...ration Range Heating Minimum C 15 16 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 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 We...

Page 12: ...door Noise Power Level dB 60 dB A H L Q Lo 48 Cooling Outdoor Noise Power Level dB 63 kW 0 98 5 40 7 50 BTU h 3340 18400 25600 Capacity kcal h 840 4640 6450 Running Current A 7 10 Input Power W 350 1 57k 2 44k W W 2 80 3 44 3 07 BTU hW 9 54 11 72 10 49 COP kcal hW 2 40 2 96 2 64 Pdesign kW 4 0 Tbivalent C 10 SCOP W W 4 1 Annual Consumption kWh 1366 ErP Class A Power Factor 96 dB A H L Q Lo 44 37 3...

Page 13: ...oval L h Pt h 2 8 5 9 Cool m 3 min ft 3 min 8 33 294 QLo Heat m 3 min ft 3 min 8 93 315 Cool m 3 min ft 3 min 8 93 315 Lo Heat m 3 min ft 3 min 9 63 340 Cool m 3 min ft 3 min 10 23 361 Me Heat m 3 min ft 3 min 11 03 389 Cool m 3 min ft 3 min 11 60 409 Hi Heat m 3 min ft 3 min 12 50 441 Cool m 3 min ft 3 min 12 33 435 Indoor Airflow SHi Heat m 3 min ft 3 min 13 03 460 Cool m 3 min ft 3 min 32 7 115...

Page 14: ...b 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 230 V indoor temperature of 20 C outd...

Page 15: ...door Noise Power Level dB 61 dB A H L Q Lo 49 Cooling Outdoor Noise Power Level dB 64 kW 0 98 6 80 8 50 BTU h 3340 23200 29000 Capacity kcal h 840 5850 7310 Running Current A 8 70 Input Power W 340 1 94k 2 73k W W 2 88 3 51 3 11 BTU hW 9 82 11 96 10 62 COP kcal hW 2 47 3 02 2 68 Pdesign kW 4 6 Tbivalent C 10 SCOP W W 3 9 Annual Consumption kWh 1651 ErP Class A Power Factor 97 dB A H L Q Lo 45 37 3...

Page 16: ...min 11 22 396 QLo Heat m 3 min ft 3 min 11 52 406 Cool m 3 min ft 3 min 12 56 443 Lo Heat m 3 min ft 3 min 12 71 448 Cool m 3 min ft 3 min 14 72 519 Me Heat m 3 min ft 3 min 15 20 536 Cool m 3 min ft 3 min 16 90 596 Hi Heat m 3 min ft 3 min 18 70 660 Cool m 3 min ft 3 min 17 92 632 Indoor Airflow SHi Heat m 3 min ft 3 min 19 26 680 Cool m 3 min ft 3 min 42 6 1505 Outdoor Airflow Hi Heat m 3 min ft...

Page 17: ... 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 230 V indoor temperature of 20 C outdoor 2 1 C 4 Heating ex...

Page 18: ...ong piping up to 15 meters 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 Operation Improvement o Quiet mode to reduce the indoor unit operation sound o Powerful mode to reach the desired room temperature quickly Serviceability I...

Page 19: ... Purifying Filter CS UZ60TKEW Auto OFF ON button Use when remote control is misplaced or malfunction occurs Aluminium Fin INDICATOR POWER Green TIMER Orange 5 2 Outdoor Unit 5 3 Remote Control 5 3 1 CS PZ25TKE CS PZ35TKE CS PZ50TKE FAN SPEED Fan speed selection Operation mode Sleep mode operation OFF ON Powerful Quiet operation Remote control display Timer setting Check Clock setting Temperature s...

Page 20: ...S UZ60TKE FAN SPEED Airflow direction selection Fan speed selection Operation mode Sleep mode operation OFF ON Powerful Quiet operation Temperature setting Remote control display Timer setting Check Clock setting ...

Page 21: ...E HOLE CENTER 496 6 128 228 228 128 Right piping hole Left piping hole Installation plate Indoor unit external dimensions line 425 425 43 95 134 47 61 51 Remote Control Holder Remote Control Liquid side Gas side Relative position between the indoor unit and the installation plate Front View Right piping hole 199 290 60 41 Side View Air intake direction Air outlet direction Left piping hole Side Vi...

Page 22: ...allation plate Indoor unit external dimensions line 435 435 43 95 61 51 Remote Control Holder Remote Control transmitter Relative position between the indoor unit and the installation plate Front View Side View Side View 22 214 Air intake direction Air outlet direction Left piping hole 41 61 410 Liquid side Gas side Right piping hole 214 290 61 1 45 Front View 870 1 2 1 2 Bottom View 115 60 125 60...

Page 23: ...llation plate Front View Side View Side View 22 240 Air intake direction Air outlet direction Left piping hole 41 61 360 Liquid side Gas side Right piping hole 240 290 61 1 45 Front View 1070 1 2 1 2 Bottom View 115 60 125 60 FANSPEED 134 42 Left piping hole Installation plate Indoor unit external dimensions line 266 128 128 266 1070 539 532 280 230 Right piping hole ...

Page 24: ...iew Side View Side View Anchor Bolt Pitch 320 570 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 69 5 18 61 6 542 39 289 22 104 7 60 5 155 2 85 5 34 3 570 3 104 9 780 67 6 ...

Page 25: ...w Side View Anchor Bolt Pitch 330 540 Space necessary for installation 100mm 100mm 1000mm Unit mm 6 2 6 4 2 1 2 2 330 619 167 97 32 0 6 1 0 4 5 7 8 6 4 2 8 37 299 3 way valve at Gas side Low Pressure 2 way valve at Liquid side High Pressure 69 62 20 ...

Page 26: ...e 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 34 7 131 875 613 131 72 35 82 360 5 695 320 45 386 75 25 70 5 ...

Page 27: ... OUTDOOR INTAKE AIR TEMP SENSOR INTAKE TEMP SENSOR COMP TEMP SENSOR PIPE TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR 4 WAYS VALVE HEAT EXCHANGER CONDENSER MUFFLER STRAINER EXPANSION VALVE Not a standard replacement part STRAINER ...

Page 28: ...E TEMP SENSOR COMP TEMP SENSOR PIPE TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR 4 WAYS VALVE HEAT EXCHANGER CONDENSER MUFFLER MUFFLER STRAINER EXPANSION VALVE Not a standard replacement part ...

Page 29: ... CU PZ35TKE 1 FUSE101 FUSE104 REACTOR FUSE102 RY PWR PTC1 PTC NTC TH3 CT102 4 WAYS VALVE RY AC FUSE103 IC19 MS 3 MS 3 RY PWR RY PWR2 FUSE301 TEMP FUSE TEMP FUSE SC L U M INDOOR UNIT OUTDOOR UNIT SC 2 3 N SINGLE PHASE POWER SUPPLY 1ø 230V 50Hz NOISE FILTER U ...

Page 30: ...103 RY PWR NTC TH1 CT101 C103 4 WAYS VALVE FUSE101 IC19 MS 3 MS 3 RY PWR RY PWR2 FUSE301 TEMP FUSE TEMP FUSE SC L U M INDOOR UNIT OUTDOOR UNIT SC 2 3 N SINGLE PHASE POWER SUPPLY 1ø 230V 50Hz NOISE FILTER U PTC1 PTC RY AC FUSE104 REACTOR ...

Page 31: ... PWR 4 WAY VALVE Q1 FUSE3 FAN COMPRESSOR MOTOR IC19 MS 3 MS 3 SEN1 RY PWR RY PWR2 FUSE301 TEMP FUSE TEMP FUSE L U M INDOOR UNIT OUTDOOR UNIT SC 2 3 N SINGLE PHASE POWER SUPPLY NOISE FILTER RY AC PTC2 PTC FUSE8 FUSE5 FUSE6 REACTOR TH1 NTC SC ...

Page 32: ... PHASE POWER SUPPLY 1ø 230V 50Hz ELECTRONIC CONTROLLER MAIN UP DOWN LOUVER MOTOR CN STM1 WHT BR 1 5 1 5 R O M Y P CN CNT WHT 5 1 REMARKS B BLUE P PINK BR BROWN O ORANGE BL BLACK Y YELLOW W WHITE G GREEN R RED Y G YELLOW GREEN CN DISP 1 YLW CN DISP WHT ELECTRONIC CONTROLLER DISPLAY RECEIVER 1 5 1 5 W W W W W COMMUNICATION CIRCUIT TO OUTDOOR UNIT PIPING TEMP SENSOR THERMISTOR SUCTION TEMP SENSOR THE...

Page 33: ...V 50Hz ELECTRONIC CONTROLLER MAIN UP DOWN LOUVER MOTOR CN STM1 WHT BR 1 5 1 5 R O M Y P CN CNT WHT GR 5 1 5 1 W BR G Y REMARKS B BLUE P PINK BR BROWN O ORANGE BL BLACK Y YELLOW W WHITE G GREEN R RED Y G YELLOW GREEN CN DISP YLW CN DISP WHT ELECTRONIC CONTROLLER DISPLAY RECEIVER 1 5 6 1 W W W W W COMMUNICATION CIRCUIT TO OUTDOOR UNIT PIPING TEMP SENSOR THERMISTOR SUCTION TEMP SENSOR THERMISTOR 4 1 ...

Page 34: ...UP DOWN LOUVER MOTOR CN STM1 WHT BR 1 5 1 5 R O M Y P LEFT RIGHT LOUVER MOTOR CN STM2 YLW BR 1 5 1 5 R O M Y P CN CNT WHT GR 5 1 5 1 W BR G Y REMARKS B BLUE P PINK BR BROWN O ORANGE BL BLACK Y YELLOW W WHITE G GREEN R RED Y G YELLOW GREEN GR GRAY CN DISP YLW CN DISP WHT ELECTRONIC CONTROLLER DISPLAY RECEIVER 1 5 6 1 W W W W W COMMUNICATION CIRCUIT TO OUTDOOR UNIT PIPING TEMP SENSOR THERMISTOR SUCT...

Page 35: ...XPANSION VALVE 1 3 CN HOT WHT CN TH WHT 1 6 CN STM WHT P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 2 1 COMMUNICATION CIRCUIT PFC CIRCUIT W U V FAN MOTOR ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT RED RED TRADEMARK BLUE BLU THE PARENTHESIZED LETTERS IS INDICATED ON TERMINAL COVER YELLOW YLW COMPRESSOR T...

Page 36: ...E 1 3 CN HOT WHT CN TH1 WHT P N SWITCHING POWER SUPPLY CIRCUIT FUSE103 20A 250V 3 2 1 COMMUNICATION CIRCUIT PFC CIRCUIT W U V FAN MOTOR ELECTRONIC CONTROLLER MS 3 NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT RED RED TRADE MARK BLUE BLU YELLOW YLW COMP TERMINAL ELECTRO MAGNETIC COIL EXPANSION VALVE CN STM WHT 1 6 M REMARKS BLACK BLK RED RED WHITE WHT BROWN BRW YELLOW YLW GREEN G...

Page 37: ...TOR 1 3 CN TANK WHT t 0 ELECTRO MAGNETIC COIL 4 WAYS VALVE 1 3 CN HOT WHT CN TH1 WHT P N 3 5 1 2 3 1 FUSE1 25A 250V 3 2 1 COMMUNICATION CIRCUIT FAN MOTOR ELECTRONIC CONTROLLER MS 3 NOISE FILTER CIRCUIT RED RED OR S TRADE MARK BLUE BLU OR R YELLOW YLW OR C COMP TERMINAL ELECTRO MAGNETIC COIL EXPANSION VALVE CN STM1 WHT 1 6 M REMARKS BLUE BLU BLACK BLK WHITE WHT RED RED YELLOW YLW GRAY GRY GREEN GRN...

Page 38: ...INAL BOARD GROUNDING TERMINAL L N SINGLE PHASE POWER SUPPLY 1ø 230V 50Hz COMMUNICATION CIRCUIT TO OUTDOOR UNIT NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT C25 1μ 16V B3 R62 15k 1 C27 1μ 16V B3 R61 20k 1 SUCTION TEMP SENSOR THERMISTOR 15k 3950 PIPING TEMP SENSOR THERMISTOR 20k 3950 4 3 2 1 t 5V CN TH RED 1 2 3 4 5 CN CNT WHITE t REMOTE CONTROLLER UP DOWN LOUVER MOTOR CN STM1 WHITE 1 5 4 3 2 12V 1 2 ...

Page 39: ...E 102 C 3A EVAPORATOR 1 2 3 AC303 WHT AC304 RED G301 GRN GROUNDING TERMINAL L R W G P BL BR TERMINAL BOARD GROUNDING TERMINAL L N SINGLE PHASE POWER SUPPLY 1ø 230V 50Hz COMMUNICATION CIRCUIT TO OUTDOOR UNIT NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT REMOTE CONTROLLER UP DOWN LOUVER MOTOR CN STM1 WHITE 1 5 4 3 2 12V 12V 1 2 3 4 5 6 7 16 9 8 15 14 13 12 11 10 IC03 IC03 IC03 IC03 IC03 IC03 IC03 IC03 ...

Page 40: ...t Vcc GND GND GND 2 3 PCB201 A713346 P C B 5V_ 5V_ 5V_ R204 47 e c b green POWER LED201 R201 270 5V_ Q203 10k 4 7k R202 2k R54 R37 C45 C48 R89 C47 C49 GR 5 1 2 3 4 5 1 W BR G Y 5V 5V 12V R90 10K R82 10K C52 1000p 50V C51 1000p 50V C57 L6 L5 C56 PIPING TEMP SENSOR THERMISTOR SUCTION TEMP SENSOR THERMISTOR 1 4 3 2 t t C25 1µ 16V C27 1µ 16V R62 15 0k R61 20 0k 5V BR 1 5 4 3 2 1 5 R O M Y P 12V 2 3 4 ...

Page 41: ...V V BLU W YLW U V W 3 5 1 10 14 16 P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 2 1 COMMUNICATION CIRCUIT PFC CIRCUIT W U V ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT 1 3 CN TANK WHITE 5V G8 R1 4 99k 1 G8 B1 C3 1μ 10V Q1 CN TH WHITE 5V 1 2 3 4 G8 G8 G8 R12 15 0k 1 R11 15 8k 1 C7 1μ B1 10V C6 1μ KB 10V F...

Page 42: ...R1 4 99k C5 1μ KB 10V G2 COMP TEMP SENSOR 50kΩ 3950 1 3 t P N FUSE103 20A 250V 3 2 1 PFC CIRCUIT W U V FAN MOTOR ELECTRONIC CONTROLLER MS 3 NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT EXPANSION VALVE 1 2 3 4 5 6 M MS 3 FUSE104 T3 15A L250V 5 4 3 2 1 C178 C186 0 01μ KB 50V C188 0 01μ KB 50V C187 0 01μ KB 50V CN HOT CN STM R313 1k R312 1k R311 1k 5V G2 G2 G2 G2 SWITCHING POWER SUPPLY CIRCUIT COMMUNIC...

Page 43: ...CATION CIRCUIT CN TANK 5V G5 R28 4 99k 1 C99 1µ 10V COMP TEMP SENSOR 50kΩ 3950 1 3 t CN TH1 OUTDOOR AIR TEMP SENSOR 15kΩ 3950 1 4 3 2 t t 5V G5 R22 15k 1 R21 15 8k 1 C10 1µ 10V C98 470µ 10V G5 C9 1µ 10V G5 PIPING TEMP SENSOR1 4 96kΩ 3800 CN HOT 4 WAYS VALVE 1 3 2 Q55 D57 D59 R143 S G D A K K A 16V G4A 5V G5 C401 0 1µ 25V ELECTRO MAGNETIC COIL EXPANSION VALVE 6 1 5 4 3 2 M 10 9 CN STM1 15V G4A C921...

Page 44: ...ed Circuit Board 11 1 Indoor Unit 11 1 1 Main Printed Circuit Board 11 1 1 1 CS PZ25TKE CS PZ35TKE CN FM CN STM1 CN TH CN CNT CN DISP CN NMODE CN CPU RY PWR AC303 G301 AC304 JP1 Random Auto Restart enable disable ...

Page 45: ...45 11 1 1 2 CS PZ50TKE CS UZ60TKE CN FM CN STM1 CN TH CN DISP RY PWR AC303 G301 AC304 JP1 Random Auto Restart enable disable ...

Page 46: ...46 11 1 2 Indicator Receiver Printed Circuit Board 11 1 2 1 CS PZ25TKE CS PZ35TKE CN DISP 11 1 2 2 CS PZ50TKE CS UZ60TKE CN DISP ...

Page 47: ...1 2 Outdoor Unit 11 2 1 Main Printed Circuit Board 11 2 1 1 CU PZ25TKE CU PZ35TKE CN HOT CN STM CN TH CN DIS CN MTR1 CN MTR2 CN TANK CN DEMAND AC BLK DATA AC WHT POWER TRANSISTOR IPM CURRENT TRANSFORMER CT ...

Page 48: ...48 11 2 1 2 CU PZ50TKE CN HOT CN STM CN TH1 CN MTR2 CN MTR1 CN TANK AC BLK FG1 DATA FG2 AC WHT RAT1 RAT2 POWER TRANSISTOR IPM CURRENT TRANSFORMER CT ...

Page 49: ...49 11 2 1 3 CU UZ60TKE POWER TRANSISTOR IPM CN TANK CN TH1 CN MTR1 ...

Page 50: ...m 1 2 UZ60 2 25HP Example For PZ25 If the unit is installed at 10 m distance the quantity of additional refrigerant should be 25 g 10 7 5 m x 10 g m 25 g Amin M 2 5 LFL 5 4 h0 2 Amin Required minimum room area in m2 M Required 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 12 1 3 Indoor Outdoor Unit Installation...

Page 51: ...43 mm 95 mm 3 4 5 6 Ceiling Wall Wall Installation plate 1 2 screw More than 1 More than 1 Measuring Tape Indoor unit 266 mm 128 mm 128 mm 266 mm 128 mm More than 2 For best strength of INDOOR unit installation it is highly recommended to locate at 5 position as shown Dimension Model UZ60 590 mm 85 mm 539 mm 532 mm 230 mm 280 mm The center of installation plate should be at more than 1 at right an...

Page 52: ...ter is obtained by measuring the distance namely 128 mm for left and right hole respectively o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side 12 2 2 To Drill a Hole in the Wall and Install a Sleeve of Piping 1 Insert the piping sleeve to the hole 2 Fix the bushing to the sleeve 3 Cut the sleeve until it extrudes about 15 mm from t...

Page 53: ...e outdoor piping and gas leakage confirmation Connect the piping Please refer to Insulation of piping connection column as mentioned in indoor outdoor unit installation Install the Indoor Unit Secure the Indoor Unit Insulate and finish the piping Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 In case of the cover is cut keep the cover at the rear of chassis as shown in the illustration fo...

Page 54: ...ne sheathed power supply cord 3 1 5 mm2 1 0 1 5HP or 3 2 5 mm2 2 0 2 25HP type designation 60245 IEC 57 or heavier cord to the terminal board and connect the other end of the cable to Isolating Devices Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or otherwise is too short o In unavoidable case joining of power supply cord betw...

Page 55: ... Nos are the same to the indoor s respectively Earth wire shall be Yellow Green Y G in colour and longer than other AC wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage 12 2 4 1 Wire Stripping and Connecting Requirement Wire stripping 5 mm or more Conductor over inserted No loose strand when inserted Indoor outdoor connection terminal...

Page 56: ...n the flare nut with torque wrench in specified torque as stated in the table Torque wrench Spanner or Wrench For connection joint location at inside building Decide the length Cut and remove the tube connectors at indoor copper pipings both gas and liquid piping by using pipe cutter Remove burrs from cut edge Use pipe expander to expand the end of long piping Align the center of piping and braze ...

Page 57: ... 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 with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN ...

Page 58: ... earthed Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason 12 3 5 Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form pl...

Page 59: ...der 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 occurred at fifth sec Then press Remote controller A C Reset button once Remote controller signal will activate operation to force heating mode 4 REMOTE CONTROLLER RECEIVIN...

Page 60: ...e Operate the unit at cooling heating operation mode for fifteen minutes or more Measure the temperature of the intake and discharge air Ensure the difference between the intake temperature and the discharge is more than 8 C during Cooling operation or more than 14 C during Heating operation Discharge air 12 3 12 Installation of Air Purifying Filter 1 Open the front panel 2 Remove the air filters ...

Page 61: ...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 62: ...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 Refrigerant Temperature 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 63: ...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 64: ...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 65: ...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 66: ...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 67: ...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 68: ... 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 69: ...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 70: ...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 71: ...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 72: ...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 73: ...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 74: ...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 75: ...r 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 76: ...resistance in stainless steel based brazing suitable for brazing tungsten carbide aluminum bronze and copper 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 BCuP 5 14 5 15 5 remain 4 8 5 3 approx 645 a...

Page 77: ...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 78: ... 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 79: ...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 80: ...of refrigerant Clogged capillary expansion valve malfunction Heat releasing obstruction Clog by moisture Dirty condenser attachment of impurity Lack of refrigerant gas Refrigerant pressure Compressor malfunction Excess insertion of refrigerant Lack of refrigerant gas Heat releasing obstruction Compressor malfunction Dirty condenser impurity Mixture of air Operation electric current Insufficient ev...

Page 81: ...tting temperature and it is updated continuously whenever the electrical power is supplied to the unit 14 1 2 Cooling Operation 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...

Page 82: ... 2nd judgment 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 14 2 Indoor Fan Motor Oper...

Page 83: ...2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increase fan motor is then stop and restart If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 14 3 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only It starts when compressor starts operation and it stops 30 seconds after compressor ...

Page 84: ...dew 5 35 Usual 5 12 5 20 27 5 35 Dry Manual Control with dew 5 12 5 20 27 5 35 Heating Manual Usual 5 17 5 30 42 5 55 CS PZ50TKE CS UZ60TKE 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 depends on the indoor heat exchanger temperature as Figure 1 below It does not...

Page 85: ...r Control There are 2 sets of ON and OFF timer available to turn the unit ON or OFF at different preset time If more than one timer had been set the upcoming timer will be displayed and will activate in sequence 14 5 1 ON Timer Control ON timer 1 and ON timer 2 can be set using remote control the unit with timer set will start operate earlier than the setting time This is to provide a comfortable ...

Page 86: ...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 o When POWERFUL QUIET button at remote control is pressed twice b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a POWERFUL QUIET button is pressed again b Stop by OFF...

Page 87: ...new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorized C Control contents a Fan Speed manual 1 Fan speed is changed from normal setting to quiet setting of respective fan speed 2 Fan speed for quiet operation is red...

Page 88: ...ling Soft Dry B 4 57 15 02 6 60 15 02 8 25 14 76 12 31 14 66 Cooling Soft Dry C 4 57 15 02 6 60 15 02 8 25 14 76 12 31 14 66 Heating 4 49 15 02 5 92 15 02 9 50 14 76 11 59 14 66 4 The first 30 minutes of cooling operation A will be applied 15 1 3 IPM Power transistor Prevention Control Overheating Prevention Control 1 When the IPM temperature rises to 120 C compressor operation will stop immediate...

Page 89: ...ring Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 4 C o During Heating 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 15 1 6 Low Frequency Protect...

Page 90: ...hanger is higher than 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger temperature is higher than 5 C for 5 minutes the fan speed will return to its normal operation 15 2 4 Freeze Prevention Control 2 Control start conditions o During Cooling operation and soft dry operation During thermo OFF condition indoor intake temperature is less ...

Page 91: ...rol Compressor will operate at limited freq if indoor intake air temperature is 30 C or above 15 3 2 Outdoor Air Temperature Control The Max current value is regulated when the outdoor air temperature rise above 14 C in order to avoid compressor overloading 15 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown...

Page 92: ...stop and operation LED blinks 15 3 7 Low Pressure Protection Control During low ambient heating operation below 15 C if the pipe temperature drops below 16 C the max frequency will be reduced and limited If it drops below 20 C and does not arise after 3 minutes the compressor will stop The compressor will start again if the pipe temperature rises above 18 C ...

Page 93: ... 3 REMOTE CONTROL NUMBER SWITCH MODE The Remote Control Number Switch Mode will be activated if the Auto OFF ON button is pressed continuously for more than 11 seconds 3 beep sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition and press AC RESET button and then press any button at remote control to transmit and store the desired transmission ...

Page 94: ...d Heating Operation Remote Control Number Switch Mode Remote Control Receiving Sound OFF ON Operation Time Check Mode No Setting Mode Heat Only Mode Enable Disable AC reset code AC reset code AC reset code AC reset code AC reset code CHECK code Beep s 6 3 s 6 2 s 1 2 s 6 1 s 1 1 s 8 s 5 BeepBeep BeepBeepBeep BeepBeepBeepBeep Beep No The unit will operate under forced cooling mode continuously if A...

Page 95: ... ON by the timer and run Cooling Operation DRY with Timer The unit will not turn ON by the timer Power LED blinking The unit will turn ON by the timer and run Cooling Dry Operation Cooling Test Mode The unit will stop and Power LED blinking The unit will operate according to specify Cooling test mode operation parameter Heating Test Mode The unit will operate according to specify Heating test mode...

Page 96: ...change remote control display from Degree Celsius C to Degree Fahrenheit F o Press continuously for 10 seconds 16 3 6 Special Setting mode 1 LCD display area Special setting display area highlighted in color Function No Options If any 2 Cannot enter this special setting mode under the following conditions 1 Operation ON 2 Under Real ON OFF time setting mode 3 To enter zone 1 area Enter Zone1 range...

Page 97: ...sable selection 00 01 9 Dust sensor monitoring LED enable disable selection 00 01 10 Auto restart enable disable selection 00 01 11 Dust sensor sensitivity level adjustment 1 2 3 Zone 1 12 49 Reserve 50 ECO demo ON None No display 51 Light sensor check None No display 52 nanoe G ECO sensor check None No display 53 DOA check None No display 54 Odor cut control selection Enable 01 Disable 00 00 01 5...

Page 98: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Page 99: ...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 measurements of pressure electric current and temperature fifteen minutes after an operation is started ...

Page 100: ... 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 transmitted to the main unit The power LED lights up If no...

Page 101: ...mality 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 exchang...

Page 102: ...zing 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 happen within 10 minutes Power factor correction circ...

Page 103: ...ived from outdoor unit in indoor unit signal transmission is checked whether it is normal Malfunction Caused Faulty indoor unit PCB Faulty outdoor unit PCB Indoor unit outdoor unit signal transmission error due to wiring error Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units Troubleshooting ...

Page 104: ... 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 105: ...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 106: ...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 107: ...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 108: ...determine abnormal fan motor feedback of rotation 2550rpm or 50rpm 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 109: ... 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 110: ...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 111: ...ction 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 112: ...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 113: ...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 114: ...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 115: ...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 116: ... 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 117: ...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 118: ...power supply and rotate fan by hand Does it rotate CN MTR2 WHT IC19 3 5 1 10 14 16 W U V FAN MOTOR MS CN MTR1 PCB BOARD 5 4 3 2 1 C173 5V R105 1k C176 0 01μ 50V G5 R111 1k C177 0 01μ 50V G5 R120 1k C175 0 01μ 50V G5 G5 YES NO YES Turn off power supply and disconnect fan motor CN MRT2 Check resistance of the motor Measure at fan motor connector CN MRT1 1 2 1 3 2 3 Replace outdoor PCB NO Replace fan...

Page 119: ...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 120: ...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 121: ... 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 122: ...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 123: ...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 124: ...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 125: ...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 126: ...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 127: ...vated 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...

Page 128: ...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 129: ...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 130: ...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 131: ...ic shocks 18 1 CS PZ25TKE CS PZ35TKE 18 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 18 1 1 1 To Remove Front Grille 2 Remove 2 caps and 2 screws at the bottom of discharge vane 3 Hold both sides of the front grille and remove it by pulling up and toward you gently 1 Lift to open the horizontal vane gently Figure 1 18 1 1 2 To Remove Electronic Controlle...

Page 132: ...then pull out the main controller gently 7 Detach the Earth wire screw 5 Remove the screw to dismantle the terminal board complete CN FM CN STM1 CN TH CN DISP RY PWR AC304 AC303 G301 Figure 3 Figure 4 18 1 1 3 To Remove Discharge Grille Discharge Grille 11 Pull the Discharge Grille downward gently to dismantle it 10 Pull out to remove the drain hose from the Discharge Grille Figure 5 ...

Page 133: ...together then pull out the control board Figure 6 18 1 1 5 To Remove Cross Flow Fan and Indoor Fan Motor 15 Pull the Discharge Grille downward gently to dismantle it 14 Pull out to remove the drain hose from the Discharge Grille 13 Remove stepping motor lead wire connectors Figure 7 ...

Page 134: ...134 16 Remove the screw that holds the cross flow fan and the fan motor shaft Figure 8 18 Remove the bearing by pulling it out gently 17 Remove the screw from the evaporator Figure 9 ...

Page 135: ...r To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 20 Remove the cross flow fan from the unit by pulling it to the left and downward Evaporator Figure 10 Cross Flow Fan Reminder To reinstall the cross flow fan please ensure cross flow fan is in line as shown in figure 11 Figure 11 ...

Page 136: ...2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 18 2 1 1 To Remove Front Grille 2 Remove 2 caps and 2 screws at the bottom of discharge vane 1 Lift to open the vertical vane and make intake grille gently 3 Hold both sides of the front grille and remove it by pulling up and toward you gently Figure 1 18 2 1 2 To Remove Electronic Controller 4 Remove the cont...

Page 137: ...ler Then pull out main controller gently 5 Detach the earth wire connection 6 Remove screw Terminal Board complete and earth wire CN FM CN STM1 CN TH CN CNT CN DISP RY PWR AC304 AC303 G301 Figure 3 Figure 4 18 2 1 3 To Remove Discharge Grille 11 Then pull the discharge grille downward gently to dismantle it 10 Pull out to remove the drain hose from the discharge grille Figure 5 ...

Page 138: ... Board 12 Remove 4 screws holding the control board and then pull out the control board Figure 6 18 2 1 5 To Remove Cross Flow Fan and Indoor Fan Motor 13 Remove the screw that holding the cross flow fan and fan motor shaft Figure 7 ...

Page 139: ...st to the left and lift up the evaporator 18 Fan motor can be removed after the removal of cross flow fan Reminder To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 17 Remove the cross flow fan from the unit by pulling it to the left and downward Evaporator Figure 9 ...

Page 140: ...140 Cross Flow Fan Reminder To reinstall the cross flow fan ensure cross flow fan is in line as shown in figure 10 Figure 10 ...

Page 141: ...as discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 18 3 CS UZ60TKE 18 3 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 18 3 1 1 To Remove Front Grille Figure 1 18 3 1 2 To Remove Horizontal Vane Figure 2 ...

Page 142: ...142 CN FM CN STM1 CN TH CN DISP CN RMT RY PWR AC303 G301 AC304 RY PWR2 Figure 3 Figure 4 18 3 1 3 To Remove Discharge Grille Figure 5 ...

Page 143: ...143 18 3 1 4 To Remove Control Board Figure 6 18 3 1 5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 7 Figure 8 ...

Page 144: ...144 Figure 9 Figure 10 ...

Page 145: ...the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Hooks Top Cover Hooks Terminal Board Cover Screw Control Board Fig 3 5 Remove the Control Board as follows 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 Screws Relea...

Page 146: ... 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 147: ...e 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 Electronic 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 ...

Page 148: ...7 2707 1848 405 2577 1823 535 2316 1710 691 13 3 2110 2075 566 2396 2372 425 2176 2154 541 1941 1922 689 20 15 8 2245 1695 594 2519 1837 415 2347 1767 538 2105 1661 691 Dry bulb value based on 46 humidity 19 1 2 CS PZ35TKE CU PZ35TKE Indoor C Outdoor DB C 5 16 25 35 DB WB TC SHC IP TC SHC IP TC SHC IP TC SHC IP 19 0 3712 2846 939 4179 3072 641 3896 3003 851 3400 2771 1100 27 22 0 4297 2346 748 460...

Page 149: ...4693 2725 1310 4211 2561 1681 Dry bulb value based on 46 humidity 19 1 4 CS UZ60TKE CU UZ60TKE Indoor C Outdoor DB C 5 16 25 35 DB WB TC SHC IP TC SHC IP TC SHC IP TC SHC IP 19 0 7161 5202 1264 7323 5232 1193 6799 4987 1509 6250 4825 1930 27 22 0 7763 4071 1333 8052 4170 1140 7462 3940 1530 6876 3772 1954 15 7 6615 5178 1229 6371 4966 1232 6094 4778 1523 5678 4800 1930 23 18 4 7173 4165 1273 7001 ...

Page 150: ...7 1036 20 1958 990 2600 1030 3190 1120 3840 1040 3971 1036 16 1845 937 2681 986 3211 1066 4100 1039 4209 1034 19 2 3 CS PZ50TKE CU PZ50TKE Indoor C Outdoor WB C 15 7 2 7 12 DB TC IP TC IP TC IP TC IP TC IP 24 3644 1955 4169 2103 5275 2110 5043 1572 5368 1564 20 3650 1850 4580 2090 5430 2160 5400 1570 5584 1564 16 3440 1751 4723 2001 5465 2056 5765 1568 5919 1561 19 2 4 CS UZ60TKE CU UZ60TKE TC Tot...

Page 151: ... High Pipe Length 5 0m Freq Rated Fc 20 1 1 CS PZ25TKE CU PZ25TKE 12 00 13 00 14 00 15 00 16 00 17 00 18 00 19 00 20 00 21 00 22 00 12 16 20 24 28 32 36 40 44 48 Indoor Discharge Air Temperature Ootdoor Air Temperature 0 C 1 00 1 50 2 00 2 50 3 00 3 50 4 00 12 16 20 24 28 32 36 40 44 48 Current A Outdoor Air Temperature 0C 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 1 20 1 25 1 30 12 16 20 24 28 32 36...

Page 152: ...4 28 32 36 40 44 48 Indoor Discharge Air Temperature Outdoor Air Temperature 0 C 2 00 2 50 3 00 3 50 4 00 4 50 5 00 5 50 6 00 12 16 20 24 28 32 36 40 44 48 Current A Outdoor Air Temperature 0C 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 1 20 12 16 20 24 28 32 36 40 44 48 Lo Pressure MPa Outdoor Air Temperature 0 C ...

Page 153: ...0 3 00 4 00 5 00 6 00 7 00 8 00 9 00 10 00 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 0 600 0 700 0 800 0 900 1 000 1 100 1 200 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 Outdoor Air Temperature o C Outdoor Air Temperature o C Outdoor Air Temperature o C Current A Low Pressure MPa Indoor Discharge Air Temperature ...

Page 154: ... 45 Outdoor Air Temperature oC 4 00 5 00 6 00 7 00 8 00 9 00 10 00 11 00 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 0 80 0 90 1 00 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 Outdoor Air Temperature oC Outdoor Air Temperature oC ndoor Discharge Air Temperature Current A Low Pressure MPa ...

Page 155: ...0m Freq Rated Fh 20 2 1 CS PZ25TKE CU PZ25TKE 10 15 20 25 30 35 40 45 15 10 5 0 5 10 15 Indoor Discharge Air Temperature Outdoor Air Temperature 0C 1 50 2 00 2 50 3 00 3 50 4 00 4 50 15 10 5 0 5 10 15 Current A 1 00 1 50 2 00 2 50 3 00 3 50 15 10 5 0 5 10 15 Hi Pressure MPa Outdoor Air Temperature 0C Outdoor Air Temperature 0C ...

Page 156: ...5 10 5 0 5 10 15 Indoor Discharge Air Temperature Outdoor Air Temperature 0 C 2 00 2 50 3 00 3 50 4 00 4 50 5 00 15 10 5 0 5 10 15 Current A 1 00 1 50 2 00 2 50 3 00 3 50 15 10 5 0 5 10 15 Hi Pressure MPa Outdoor Air Temperature 0 C Outdoor Air Temperature 0 C ...

Page 157: ...6 3 00 4 00 5 00 6 00 7 00 8 00 9 00 10 00 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 1 80 2 30 2 80 3 30 3 80 4 30 4 80 5 30 5 80 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Indoor Discharge Air Temperature Current A Hi Pressure MPa Outdoor Air Temperature 0 C Outdoor Air Temperature 0 C Outdoor Air Temperature 0 C ...

Page 158: ...0 6 00 7 00 8 00 9 00 10 00 11 00 12 00 13 00 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Indoor Discharge Air Temperature Current A Hi Pressure MPa Outdoor Air Temperature 0 C Outdoor Air Temperature 0 C Outdoor Air Temperature 0 C ...

Page 159: ...Z25TKE CS PZ35TKE CU PZ35TKE 0 92 0 94 0 96 0 98 1 00 1 02 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Cooling Capacity Correction Factor Pipe Length m 0 90 0 92 0 94 0 96 0 98 1 00 1 02 1 04 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Heating Capacity Correction Factor Pipe Length m Note The graphs show the factor after added right amount of additional refrigerant ...

Page 160: ... 14 15 16 Cooling Capacity Correction Factor Pipe Length m 0 95 0 96 0 97 0 98 0 99 1 00 1 01 1 02 1 03 1 04 1 05 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Heating Capacity Correction Factor Pipe Length m Note The graphs show the factor after added right amount of additional refrigerant ...

Page 161: ...72829303132 Cooling Capacity Correction Factor Pipe Length m 0 96 0 97 0 97 0 98 0 98 0 99 0 99 1 00 1 00 1 01 1 01 2 3 4 5 6 7 8 9 1011121314151617181920212223242526272829303132 Heating Capacity Correction Factor Pipe Length m Note The graphs show the factor after added right amount of additional refrigerant ...

Page 162: ...Z25TKE CS PZ35TKE 12 29 30 27 3 4 2 5 1 18 14 8 28 6 7 32 33 34 36 CWH55025J CWH55051J 31 35 9 23 17 25 19 20 21 26 16 15 13 10 11 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 163: ...R 1 CWD933865 16 CONTROL BOARD FRONT COVER CO 1 CWH13C1314 17 DISCHARGE GRILLE COMPLETE 1 CWE20C3433 18 BACK COVER CHASSIS 1 CWD933857 19 FULCRUM 1 CWH621164 20 VERTICAL VANE 10 CWE241447 21 CONNECTING BAR 2 CWE261308 23 AIR SWING MOTOR 1 CWA981264 O 25 CAP DRAIN TRAY 1 CWH521259 26 HORIZONTAL VANE COMPLETE 1 CWE24C1496 27 REMOTE CONTROL COMPLETE 1 ACXA75C00450 O 28 FRONT GRILLE COMPLETE 1 ACXE10C...

Page 164: ...5 1 18 14 8 28 6 7 32 33 34 36 CWH55025J CWH55051J 31 35 9 23 17 25 19 20 21 26 16 15 13 10 11 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 165: ...16 CONTROL BOARD FRONT COVER CO 1 CWH13C1247 17 DISCHARGE GRILLE COMPLETE 1 CWE20C3236 18 BACK COVER CHASSIS 1 CWD933233 19 FULCRUM 1 CWH621131 20 VERTICAL VANE 8 CWE241374 21 CONNECTING BAR 2 CWE261251 23 AIR SWING MOTOR 1 CWA981264 O 25 CAP DRAIN TRAY 1 CWH521259 26 HORIZONTAL VANE COMPLETE 1 CWE24C1385 27 REMOTE CONTROL COMPLETE 1 ACXA75C00450 O 28 FRONT GRILLE COMPLETE 1 ACXE10C01180 O 29 INTA...

Page 166: ... 1 18 13 10 16 15 14 12 29 23 17 26 19 19 20 21 22 24 27 36 35 31 32 33 7 30 CWH55025 J CWH55051 J 40 6 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 167: ...0C3242 18 BACK COVER CHASSIS 1 CWD933031 19 FULCRUM 2 CWH621138 20 VERTICAL VANE 11 CWE241374 21 CONNECTING BAR 1 CWE261257 22 CONNECTING BAR 1 CWE261258 23 AIR SWING MOTOR 1 CWA98K1018 24 AIR SWING MOTOR 1 CWA981241 O 26 CAP DRAIN TRAY 1 CWH521259 27 HORIZONTAL VANE COMPLETE 1 CWE24C1392 29 CONTROL BOARD COVER COMPLETE 1 CWH13C1247 30 REMOTE CONTROL COMPLETE 1 ACXA75C00430 O 31 FRONT GRILLE COMPL...

Page 168: ...5 33 11 22 5 4 2 7 6 24 34 3 1 43 30 36 17 16 27 40 32 38 12 I I O I 44 O I 45 46 I I 47 I I 48 I I 49 I I 50 I I 51 I I 52 I I 53 I I 54 I I 55 42 56 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 169: ... TEMP 1 CWA50C2894 O 28 CONTROL BOARD COVER TOP 1 CWH131264 29 ELECTRONIC CONTROLLER MAIN 1 ACXA73C22660R ACXA73C22670R O 30 TERMINAL BOARD ASSY 1 CWA28K1036J O 31 CABINET SIDE PLATE CO 1 ACXE04C00210 32 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C3267 O 33 CABINET SIDE PLATE 1 ACXE04 00130A 34 CABINET FRONT PLATE CO 1 CWE06C1566 35 CABINET TOP PLATE 1 CWE031230A 36 PLATE C B COVER TERMINAL 1 CWH1313...

Page 170: ... CU PZ35TKE REMARK 54 INSTALLATION INSTRUCTION 1 ACXF60 07350 55 INSTALLATION INSTRUCTION 1 ACXF60 07360 56 PANASONIC BADGE 1 CWE373439 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 171: ...23 26 22 25 2 7 6 4 33 11 27 32 42 40 5 28 16 43 O I 44 O I 45 I I 46 I I 47 I I 48 I I 51 I I 52 I I 49 I I 50 I I 54 55 I I I I 53 38 56 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 172: ...TERIAL 1 CWG302630 26 SOUND PROOF MATERIAL 1 CWG302745 27 SENSOR CO COMP TEMP 1 CWA50C2894 O 28 CONTROL BOARD COVER TOP 1 CWH131473 29 ELECTRONIC CONTROLLER MAIN 1 ACXA73C22680R O 30 TERMINAL BOARD ASSY 1 CWA28K1036J O 31 CABINET SIDE PLATE CO 1 CWE04C1481 32 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2893 O 33 CABINET SIDE PLATE 1 CWE041616A 34 CABINET FRONT PLATE CO 1 CWE06C1441 35 CABINET TOP PLA...

Page 173: ...ACXF60 07330 53 INSTALLATION INSTRUCTION 1 ACXF60 07340 54 INSTALLATION INSTRUCTION 1 ACXF60 07350 55 INSTALLATION INSTRUCTION 1 ACXF60 07360 56 PANASONIC BADGE 1 CWE373439 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 174: ... 32 3 27 29 x 2 x 2 17 18 15 41 14 42 43 13 45 46 I I 47 I I 48 I I 49 I I 50 I I 51 I I 52 I I 53 I I 54 I I 55 57 38 37 31 30 O I O I I I 56 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 175: ...ROOF MATERIAL 1 CWG302636 27 SENSOR CO COMP TEMP 1 CWA50C2185 O 28 CONTROL BOARD COVER TOP 1 ACXH13 00490 29 ELECTRONIC CONTROLLER MAIN 1 ACXA73C22790R O 30 TERMINAL BOARD ASSY 1 CWA28K1036J O 31 CABINET SIDE PLATE CO 1 ACXE04C00980 32 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C3079 O 33 HANDLE 1 CWE161010 34 CABINET SIDE PLATE 1 ACXE04 00660A 35 CABINET FRONT PLATE CO 1 ACXE06K00050 36 CABINET TOP ...

Page 176: ...STALLATION INSTRUCTION 1 ACXF60 07340 55 INSTALLATION INSTRUCTION 1 ACXF60 07350 56 INSTALLATION INSTRUCTION 1 ACXF60 07360 57 PANASONIC BADGE 1 CWE373439 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock PAPAMY Printed in Malaysia SW0517 2 ...

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Panasonic CS-PZ25TKE, Service Manual, Page: 114 / 176

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