Panasonic CS-E7PKEW Service Manual Download Page 98

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14. Operation Control (For Multi Split Connection)

During multi split connection, indoor unit’s operation controls are same with single split connection unless specified in
this chapter.

14.1 Cooling

operation

14.1.1 Thermostat

control

•

Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting

temperature < -2.0°C.

•

Capability resume supply to indoor unit after waiting for 3 minutes, if the Intake Air temperature — Internal setting

temperature > Capability supply OFF point.

14.2 Soft Dry Operation

14.2.1 Thermostat

control

•

Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature

—

Internal setting

temperature < -3.0°C.

•

Capability resume to indoor unit after waiting for 3 minutes, if the Intake Air temperature

—

Internal setting

temperature > Capability supply OFF point.

14.3 Heating

Operation

14.3.1 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

setting temperature < Capability supply OFF point.

14.3.2

Temperature Sampling Control

•

Temperature sampling is controlled by outdoor unit where room temperature for all power supply ON indoor unit

could be obtained.

•

When capability supply to the indoor unit is OFF and the compressor is ON, the indoor fan motor is stopped.

During this condition, 15 seconds after sampling signal from outdoor unit is received, the indoor fan start
operation at low fan speed.

•

However, within first 4 minutes of capability stopped supply to the indoor unit, even sampling signal is received,

the sampling control is cancelled.

Summary of Contents for CS-E7PKEW

Page 1: ...LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product...

Page 2: ...le Outdoor Unit B Multiple Connection Multiple Indoor Unit connect with Single Outdoor Unit Both connections have different connecting methods Any mismatch connections will result in malfunctions The following illustration demonstrates the correct electrical works for both type A Single Connection B Multiple Connection Please refer to the provided Installation Instructions for the detailed procedu...

Page 3: ...mer Control 86 13 9 Auto Restart Control 86 13 10 Indication Panel 86 13 11 nanoe G Operation 87 13 12 In filter Deactivation Operation 89 13 13 Mild Dry Cooling Operation 90 13 14 AUTO COMFORT and ECONAVI Operation 90 14 Operation Control For Multi Split Connection 98 14 1 Cooling operation 98 14 2 Soft Dry Operation 98 14 3 Heating Operation 98 14 4 Automatic Operation 99 14 5 Indoor Fan Motor O...

Page 4: ...D Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not use joint cable for indoor outdoor connection cable Use the specified Indoor Outdoor connection cable refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor outdoor connection Clamp the cable so that no external force will be acted on the t...

Page 5: ...Connect the power supply cord of the air conditioner to the mains using one of the following method Power supply point should be in easily accessible place for power disconnection in case of emergency In some countries permanent connection of this air conditioner to the power supply is prohibited 1 Power supply connection to the receptacle using power plug Use an approved 15 16A 3 4 1 75HP or 16A ...

Page 6: ...9 25 20 Indoor Noise H L QLo Power Level dB 53 55 dB A 45 46 Cooling Outdoor Noise H L Power Level dB 60 61 kW 0 75 2 80 4 00 0 85 3 40 5 00 BTU h 2560 9550 13600 2900 11600 17100 Capacity Kcal h 650 2410 3440 730 2920 4300 Running Current A 2 85 3 35 Input Power W 230 630 1 01k 240 730 1 29k W W 3 26 4 44 3 96 3 54 4 66 3 88 BTU hW 11 13 15 16 13 47 12 08 15 89 13 26 COP Kcal hW 2 83 3 83 3 41 3 ...

Page 7: ... m 3 min ft 3 min 6 30 222 6 71 237 QLo Heat m 3 min ft 3 min 7 40 261 7 40 261 Cool m 3 min ft 3 min 7 40 261 7 95 281 Lo Heat m 3 min ft 3 min 8 63 305 9 59 339 Cool m 3 min ft 3 min 9 87 348 10 42 368 Me Heat m 3 min ft 3 min 10 97 387 11 93 421 Cool m 3 min ft 3 min 12 2 430 12 7 450 Hi Heat m 3 min ft 3 min 12 8 450 13 1 460 Cool m 3 min ft 3 min 12 61 445 13 30 470 Indoor Airflow SHi Heat m ...

Page 8: ...ntol Electronic Contol Protection Device Electronic Contol Electronic Contol Dry Bulb Wet Bulb Dry Bulb Wet Bulb Maximum C 32 23 32 23 Cooling Minimum C 16 11 16 11 Maximum C 30 30 Indoor Operation Range Heating Minimum C 16 16 Maximum C 43 26 43 26 Cooling Minimum C 10 10 Maximum C 24 18 24 18 Outdoor Operation Range Heating Minimum C 15 16 15 16 1 Cooling capacities are based on indoor temperatu...

Page 9: ...25 Indoor Noise H L QLo Power Level dB 58 59 dB A 48 49 Cooling Outdoor Noise H L Power Level dB 63 64 kW 0 85 4 00 6 00 0 85 5 30 6 80 BTU h 2900 13600 20500 2900 18100 23200 Capacity Kcal h 730 3440 5160 730 4560 5850 Running Current A 4 1 6 4 Input Power W 245 925 1 69k 255 1 43k 1 93k W W 3 47 4 32 3 55 3 33 3 71 3 52 BTU hW 11 84 14 70 12 13 11 37 12 66 12 02 COP Kcal hW 2 98 3 72 3 05 2 86 3...

Page 10: ... 1 Cool m 3 min ft 3 min 6 71 237 850 300 QLo Heat m 3 min ft 3 min 7 54 266 9 87 348 Cool m 3 min ft 3 min 8 63 305 9 59 339 Lo Heat m 3 min ft 3 min 11 79 416 12 34 436 Cool m 3 min ft 3 min 11 38 402 12 06 426 Me Heat m 3 min ft 3 min 13 44 475 13 98 494 Cool m 3 min ft 3 min 13 9 490 14 1 500 Hi Heat m 3 min ft 3 min 14 3 505 15 0 530 Cool m 3 min ft 3 min 14 95 528 15 22 537 Indoor Airflow SH...

Page 11: ...c Contol Electronic Contol Protection Device Electronic Contol Electronic Contol Dry Bulb Wet Bu b Dry Bulb Wet Bu b Maximum C 32 23 32 23 Cooling Minimum C 16 11 16 11 Maximum C 30 30 Indoor Operation Range Heating Minimum C 16 16 Maximum C 43 26 43 26 Cooling Minimum C 10 10 Maximum C 24 18 24 18 Outdoor Operation Range Heating Minimum C 15 16 15 16 1 Cooling capacities are based on indoor tempe...

Page 12: ...34 Indoor Noise H L QLo Power Level dB 60 61 dB A 47 48 Cooling Outdoor Noise H L Power Level dB 61 62 kW 0 98 5 80 8 00 0 98 7 20 8 50 BTU h 3340 19800 27300 3340 24600 29000 Capacity Kcal h 840 4990 6880 840 6190 7310 Running Current A 6 8 9 4 Input Power W 340 1 52k 2 57k 340 2 09k 2 73k W W 2 88 3 82 3 11 2 88 3 44 3 11 BTU hW 9 82 13 03 10 62 9 82 11 77 10 62 COP Kcal hW 2 47 3 28 2 68 2 47 2...

Page 13: ... 9 3 5 7 4 Cool m 3 min ft 3 min 14 03 495 14 06 496 QLo Heat m 3 min ft 3 min 13 68 483 13 68 483 Cool m 3 min ft 3 min 15 08 532 15 08 532 Lo Heat m 3 min ft 3 min 15 60 551 15 60 551 Cool m 3 min ft 3 min 16 83 594 17 00 600 Me Heat m 3 min ft 3 min 17 53 619 18 58 656 Cool m 3 min ft 3 min 17 9 630 18 9 670 Hi Heat m 3 min ft 3 min 19 3 680 20 0 705 Cool m 3 min ft 3 min 19 00 671 19 50 689 In...

Page 14: ...ctronic Contol Electronic Contol Protection Device Electronic Contol Electronic Contol Dry Bulb Wet Bulb Dry Bulb Wet Bulb Maximum C 32 23 32 23 Cooling Minimum C 16 11 16 11 Maximum C 30 30 Indoor Operation Range Heating Minimum C 16 16 Maximum C 43 26 43 26 Cooling Minimum C 10 10 Maximum C 24 18 24 18 Outdoor Operation Range Heating Minimum C 15 16 15 16 1 Cooling capacities are based on indoor...

Page 15: ...e H L QLo Power Level dB 63 65 dB A 52 53 Cooling Outdoor Noise H L Power Level dB 66 67 kW 0 98 8 60 9 90 0 98 9 60 11 00 BTU h 3340 29300 33800 3340 32700 37500 Capacity Kcal h 840 7400 8510 840 8260 9460 Running Current A 11 8 14 6 Input Power W 450 2 60k 3 13k 450 3 26k 3 70k W W 2 18 3 31 3 16 2 18 2 94 2 97 BTU hW 7 42 11 27 10 80 7 42 10 03 10 14 COP Kcal hW 1 87 2 85 2 72 1 87 2 53 2 56 Pd...

Page 16: ...9 5 Cool m 3 min ft 3 min 13 40 473 13 40 473 QLo Heat m 3 min ft 3 min 15 20 537 15 20 537 Cool m 3 min ft 3 min 15 70 554 15 70 554 Lo Heat m 3 min ft 3 min 17 00 600 17 00 600 Cool m 3 min ft 3 min 17 81 629 18 50 653 Me Heat m 3 min ft 3 min 19 10 674 19 40 685 Cool m 3 min ft 3 min 19 8 700 21 1 745 Hi Heat m 3 min ft 3 min 21 2 750 21 9 775 Cool m 3 min ft 3 min 20 90 738 21 7 767 Indoor Air...

Page 17: ...l Electronic Contol Protection Device Electronic Contol Electronic Contol Dry Bulb Wet Bu b Dry Bulb Wet Bu b Maximum C 32 23 32 23 Cooling Minimum C 16 11 16 11 Maximum C 30 30 Indoor Operation Range Heating Minimum C 16 16 Maximum C 43 26 43 26 Cooling Minimum C 10 10 Maximum C 24 18 24 18 Outdoor Operation Range Heating Minimum C 15 16 15 16 1 Cooling capacities are based on indoor temperature ...

Page 18: ...0 30 30 40 Pipe length Additional gas amount over chargeless length g m 20 20 20 20 20 Note Available Remarks for CU 2E15PBE CU 2E18PBE 1 At least two indoor units must be connected 2 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 Example The indoor units combination below...

Page 19: ...EW Outdoor Unit CU 2E18PBE 2Room 1Room Indoor Unit Capacity kW Total Indoor Capacity kW Indoor Unit Capacity kW Total Indoor Capacity kW 16 16 32 16 16 16 20 36 20 20 16 25 41 25 25 16 28 44 28 28 16 32 48 32 32 20 20 40 20 25 45 20 28 48 20 32 52 25 25 50 25 28 53 25 32 57 28 28 56 28 32 60 32 32 64 Cooling capacities are based on indoor temperature of 80 F DRY BULB 67 F WET BULB and outdoor air ...

Page 20: ...25 40 65 16 20 50 86 25 50 75 16 25 25 66 28 28 56 16 25 28 69 28 32 60 16 25 32 73 28 40 68 16 25 40 81 28 50 78 16 28 28 72 32 32 64 16 28 32 76 32 40 72 16 28 40 84 32 50 82 16 32 32 80 40 40 80 16 32 40 88 40 50 90 20 20 20 60 20 20 25 65 20 20 28 68 20 20 32 72 20 20 40 80 20 20 50 90 20 25 25 70 20 25 28 73 20 25 32 77 20 25 40 85 20 28 28 76 20 28 32 80 20 28 40 88 20 32 32 84 25 25 25 75 2...

Page 21: ...16 32 32 96 16 28 40 84 32 50 82 16 16 32 40 104 16 28 50 94 32 60 92 16 20 20 20 76 16 28 60 104 40 40 80 16 20 20 25 81 16 32 32 80 40 50 90 16 20 20 28 84 16 32 40 88 40 60 100 16 20 20 32 88 16 32 50 98 50 50 100 16 20 20 40 96 16 32 60 108 50 60 110 16 20 20 50 106 16 40 40 96 16 20 25 25 86 16 40 50 106 16 20 25 28 89 20 20 20 60 16 20 25 32 93 20 20 25 65 16 20 25 40 101 20 20 28 68 16 20 2...

Page 22: ...20 20 28 32 100 20 28 32 80 28 40 68 20 20 28 40 108 20 28 40 88 28 50 78 20 20 28 50 118 20 28 50 98 28 60 88 20 20 28 60 128 20 28 60 108 28 70 98 20 20 32 32 104 20 28 70 118 32 32 64 20 20 32 40 112 20 32 32 84 32 40 72 20 20 32 50 122 20 32 40 92 32 50 82 20 20 32 60 132 20 32 50 102 32 60 92 20 20 40 40 120 20 32 60 112 32 70 102 20 20 40 50 130 20 32 70 122 40 40 80 20 25 25 25 95 20 40 40 ...

Page 23: ...0 20 20 20 60 140 20 20 20 60 120 20 20 60 100 20 70 90 60 60 20 20 20 20 70 150 20 20 20 70 130 20 20 70 110 25 25 50 70 70 20 20 20 25 25 110 20 20 25 25 90 20 25 25 70 25 28 53 20 20 20 25 28 113 20 20 25 28 93 20 25 28 73 25 32 57 20 20 20 25 32 117 20 20 25 32 97 20 25 32 77 25 40 65 20 20 20 25 40 125 20 20 25 40 105 20 25 40 85 25 50 75 20 20 20 25 50 135 20 20 25 50 115 20 25 50 95 25 60 8...

Page 24: ... 32 70 150 28 32 50 110 20 20 32 32 50 154 20 28 40 40 128 28 32 60 120 20 20 32 32 60 164 20 28 40 50 138 28 32 70 130 20 20 32 32 70 174 20 28 40 60 148 28 40 40 108 20 20 32 40 40 152 20 28 40 70 158 28 40 50 118 20 20 32 40 50 162 20 28 50 50 148 28 40 60 128 20 20 32 40 60 172 20 28 50 60 158 28 40 70 138 20 20 32 50 50 172 20 28 50 70 168 28 50 50 128 20 20 40 40 40 160 20 28 60 60 168 28 50...

Page 25: ...5 32 32 50 139 20 32 32 40 40 164 25 32 32 60 149 20 32 32 40 50 174 25 32 32 70 159 20 32 40 40 40 172 25 32 40 40 137 25 25 25 25 25 125 25 32 40 50 147 25 25 25 25 28 128 25 32 40 60 157 25 25 25 25 32 132 25 32 40 70 167 25 25 25 25 40 140 25 32 50 50 157 25 25 25 25 50 150 25 32 50 60 167 25 25 25 25 60 160 25 40 40 40 145 25 25 25 25 70 170 25 40 40 50 155 25 25 25 28 28 131 25 40 40 60 165 ...

Page 26: ...0 174 25 28 40 40 40 173 32 40 40 40 152 25 32 32 32 32 153 32 40 40 50 162 25 32 32 32 40 161 32 40 40 60 172 25 32 32 32 50 171 32 40 50 50 172 25 32 32 40 40 169 40 40 40 40 160 28 28 28 28 28 140 40 40 40 50 170 28 28 28 28 32 144 28 28 28 28 40 152 28 28 28 28 50 162 28 28 28 28 60 172 28 28 28 32 32 148 28 28 28 32 40 156 28 28 28 32 50 166 28 28 28 40 40 164 28 28 28 40 50 174 28 28 32 32 3...

Page 27: ...on only o CS CU E24 28PK long piping up to 30 meter 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 Powerf...

Page 28: ...28 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Page 29: ...29 5 Dimensions 5 1 Indoor Unit 5 1 1 CS E7PK CS E9PK CS E12PK CS E15PK CS XE7PK CS XE9PK CS XE12PK CS XE15PK ...

Page 30: ...30 5 1 2 CS E18PK CS E21PK CS E24PK CS E28PK CS XE18PK CS XE21PK ...

Page 31: ...31 5 2 Outdoor Unit 5 2 1 CU E7PKE CU E9PKE 5 2 2 CU E12PKE CU E15PKE ...

Page 32: ...32 5 2 3 CU E18PKE CU E21PKE ...

Page 33: ...33 5 2 4 CU E24PKE CU E28PKE ...

Page 34: ... CU E9PKE CU E12PKE CU E15PKE INDOOR OUTDOOR INTAKE AIR TEMP 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 EXPANSION VALVE ...

Page 35: ...R PIPE TEMP 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 OIL SEPERATOR E21PKE only 4 WAYS VALVE TANK SENSOR DIS TEMP SENSOR ...

Page 36: ...INTAKE AIR TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR F COND PROCESS TUBE DISTRIBUTOR STRAINER STRAINER RECEIVER EXPANSION VALVE DISCHARGE MUFFLER 4 WAYS VALVE ...

Page 37: ... 7 Block Diagram 7 1 CU E7PKE NOISE FILTER FUSE101 FUSE102 FUSE103 FAN MOTOR COMPRESSOR RY PWR RY AC1 Q1 RY C C101 PTC PTC2 TH2 3 2 1 MS 3 CT102 REACTOR EXPANSION VALVE 4 WAYS VALVE SC PTC NTC PTC1 U M M ...

Page 38: ...38 7 2 CU E9PKE CU E12PKE CU E15PKE NOISE FILTER FUSE101 FUSE102 RY PWR RY AC 3 2 1 MS 3 CT102 4 WAYS VALVE SC PTC PTC1 U FUSE104 MS 3 REACTOR FUSE103 Q1 FAN MOTOR COMPRESSOR IC19 TH3 NTC ...

Page 39: ... 7 3 CU E18PKE CU E21PKE FUSE3 FUSE2 DB2 DB1 FUSE1 COMPRESSOR P N U V W Q1 C101 3 2 1 MS 3 4 WAYS VALVE RY C CR3 M CT400 FAN MOTOR REACTOR TH1 NTC RY HOT SC RY AC RY PWR PTC2 DB3 TH2 NTC PTC1 NOISE FILTER ...

Page 40: ...40 7 4 CU E24PKE CU E28PKE MS 3 M 1 COMPRESSOR SC SSR NTC NTC 1 2 3 NOISE FILTER FUSE REACTOR PTC REACTOR FUSE U ...

Page 41: ...41 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 CS E7PK CS E9PK CS E12PK CS E15PK CS E18PK CS E21PK CS E24PK CS XE7PK CS XE9PK CS XE12PK CS XE15PK CS XE18PK CS XE21PK ...

Page 42: ...42 8 1 2 CS E28PKES ...

Page 43: ...43 8 2 Outdoor Unit 8 2 1 CU E7PKE Resistance of Compressor Windings MODEL CU E7PKE CONNECTION 5RS092XCD21 Ω U V 1 152 U W 1 152 V W 1 152 Note Resistance at 20 C of ambient temperature ...

Page 44: ...sistance of Compressor Windings MODEL CU E9PKE MODEL CU E12PKE CU E15PKE CONNECTION 5RS102XBC21 Ω CONNECTION 5RS102XNA21 Ω U V 0 858 U V 1 211 U W 0 858 U W 1 211 V W 0 858 V W 1 211 Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 45: ...45 8 2 3 CU E18PKE CU E21PKE Resistance of Compressor Windings MODEL CU E18PKE CU E21PKE CONNECTION 5RD102XBA21 Ω U V 1 897 U W 1 907 V W 1 882 Note Resistance at 20 C of ambient temperature ...

Page 46: ...46 8 2 4 CU E24PKE Resistance of Compressor Windings MODEL CU E24PKE CONNECTION 5KD240XAF21 Ω U V 0 720 U W 0 726 V W 0 708 Note Resistance at 20 C of ambient temperature ...

Page 47: ...47 8 2 5 CU E28PKE Resistance of Compressor Windings MODEL CU E28PKE CONNECTION 5KD240XAF21 Ω U V 0 720 U W 0 726 V W 0 708 Note Resistance at 20 C of ambient temperature ...

Page 48: ...48 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 49: ... GRY REACTOR RED BLU YLW RED BLU YLW U V W 1 3 4 WAYS VALVE 1 2 P N FUSE102 T3 15A L250V FUSE101 20A 250V FUSE103 T3 15A L250V 3 RED 2 WHITE S1 BLACK FAN MOTOR ELECTRONIC CONTROLLER MS 3 RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY CIRCUIT ELECTRO MAGNETIC COIL EXPANSION VALVE CN STM WHT 1 6 M 7 4 1 M COMMUNICATION CIRCUIT NOISE FILTER CIRCUIT TERMINAL BOARD RECTIFICATION CIRCUIT PFC CIRCUIT 5V 5V...

Page 50: ... P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 RED 2 WHITE S1 BLACK COMMUNICATION CIRCUIT PFC CIRCUIT W U V ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT M TANK TEMP SENSOR 50kΩ 3950 1 3 CN TANK WHITE 5V G8 R1 4 99k 1 G8 C3 1µ 10V CN TH WHITE OUTDOOR TEMP SENSOR 15kΩ 3950 PIPE TEMP SENSOR1 4 96kΩ 3800 5V 4 ...

Page 51: ...RED BLU YLW U V W P N RECT FICATION CIRCUIT PFC CIRCUIT RY HOT S1 BLK COMPRESSOR RED BLU YLW RED BLU YLW MS 3 Sensor Thermistor Characteristics 70 60 50 40 30 20 10 0 10 0 10 Temperature o C Resistance kΩ 20 30 40 50 1 2 1 2 Outdoor Air Sensor Outdoor Heat Exchanger Sensor Compressor Temp Sensor Thermistor Characteristics 70 60 50 40 30 20 10 0 20 40 60 Temperature o C Resistance kΩ 80 100 120 140...

Page 52: ...C WHT WHITE COM3 RED FUSE3 25A 250V 1 2 3 4 1 2 3 4 COMMUNICATION CIRCUIT REACTOR REACTOR FUSE2 T3 15A L250V FUSE1 T2 5A L250V RECTIFICATION CIRCUIT PFC CIRCUIT CN FM WHITE 7 1 4 M RED BLK WHT BLU YLW COMPRESSOR RED BLU YLW RED BLU YLW MS 3 ELECTRO MAGNETIC COIL 4 WAYS VALVE 1 3 4 WAY VALVE C RCUIT RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY CIRCUIT Q1 RED BLU YELLOW U V W P N TANK TEMP SENSOR 50...

Page 53: ...IT PFC CIRCUIT CN FM WHITE 7 1 4 M RED BLK WHT BLU YLW COMPRESSOR RED BLU YLW RED BLU YLW MS 3 ELECTRO MAGNETIC COIL 4 WAYS VALVE 1 3 4 WAY VALVE CIRCUIT RECTIFICATION CIRCUIT SWITCH NG POWER SUPPLY CIRCUIT Q1 RED BLU YELLOW U V W P N 221 152 R427 47k 1 10W R426 5 6k 1 10W R425 20 0k 1 10W 156 157 158 159 542 554 555 CN RY1 JP1 5V G1 G1 e b Q25 Q26 4 7k 10k c e b c 5V G1 5V G6 5V R159 10k C63 1000...

Page 54: ...54 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 2 Indicator Printed Circuit Board ...

Page 55: ...55 10 1 3 Receiver Printed Circuit Board 10 1 4 High Voltage Power Supply Printed Circuit Board 10 1 5 Fuse Printed Circuit Board ...

Page 56: ...56 10 1 6 Human Activity Sensor Printed Circuit Board ...

Page 57: ...57 10 2 Outdoor Unit 10 2 1 CU E7PKE ...

Page 58: ...58 10 2 2 CU E9PKE CU E12PKE CU E15PKE ...

Page 59: ...59 10 2 3 CU E18PKE CU E21PKE ...

Page 60: ...60 10 2 4 CU E24PKE CU E28PKE ...

Page 61: ...t least 2 5 m 11 1 2 Outdoor Unit If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of ...

Page 62: ...ts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill o Line according to the left and right side of the installation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram ...

Page 63: ...1 2 2 Indoor Unit Installation 11 2 2 1 For the right rear piping 11 2 2 2 For the right and right bottom piping 11 2 2 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 64: ...Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or otherwise is too short o In unavoidable case joining of power supply cord between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug rated 15 16A Wiring work to both socket and plug must follow to national wiring standard 4 Bin...

Page 65: ...ghten with screw and close the front panel Note Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap Ensure the colour of wires of outdoor unit and the terminal 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 fr...

Page 66: ...66 ...

Page 67: ...ith fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 11 3 2 2 Connecting the Piping to Outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut located at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque ...

Page 68: ...68 For Gas side piping please refer table and diagram below ...

Page 69: ...tely five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT 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 using a he...

Page 70: ...door unit WARNING This equipment must be properly earthed Earth wire shall be Yellow Green Y G in colour and longer than the other AC wires for safety reason 11 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 c...

Page 71: ...t shall be at least 2 5 m 12 1 2 Outdoor Unit If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short...

Page 72: ...zontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill o Line according to the left and right side of the installation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole center is obtained by measurin...

Page 73: ...2 2 2 Indoor Unit Installation 12 2 2 1 For the right rear piping 12 2 2 2 For the right and right bottom piping 12 2 2 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 74: ...Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or otherwise is too short o In unavoidable case joining of power supply cord between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug rated 15 16A Wiring work to both socket and plug must follow to national wiring standard 4 Bin...

Page 75: ...ghten with screw and close the front panel Note Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap Ensure the colour of wires of outdoor unit and the terminal 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 fr...

Page 76: ...76 ...

Page 77: ...r pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 12 3 2 2 Connecting the Piping to Outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut located a...

Page 78: ...tely five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT 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 using a he...

Page 79: ...ING This equipment must be properly earthed Earth wire shall be Yellow Green Y G in colour and longer than the other AC wires for safety reason 12 3 5 Piping Insulation 3 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 4 If drain hose or connecting pipi...

Page 80: ...tting temperature and it is updated continuously whenever the electrical power is supplied to the unit 13 1 2 Cooling Operation 13 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 81: ...e 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 13 2 Indoor Fan Motor Operation 13 2 1 Basic Rotation Speed rpm A Basic Rotation Speed rpm i Manual Fan Speed Co...

Page 82: ...tor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 13 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...

Page 83: ...n 1 2 3 4 5 1 2 3 4 5 A 25 17 B 55 32 Auto with Heat Exchanger Temperature C 25 17 Summer House 55 37 Heating Manual 20 45 55 65 70 17 25 32 42 55 Auto 45 70 2 36 Cooling Manual 20 25 50 55 70 2 8 18 27 36 Auto 45 70 2 36 Soft Dry Manual 20 25 50 55 70 2 8 18 27 36 1 Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stated above F...

Page 84: ...0 100 110 CS E18 21 24 28PK CS XE18 21PK 13 5 Quiet operation Cooling Mode Cooling area of Dry Mode Purpose o To provide quiet cooling operation compare to normal operation Control condition o Quiet operation start condition When POWERFUL QUIET button at remote control is pressed twice POWERFUL QUIET LED illuminates o Quiet operation stop condition When one of the following conditions is satisfied...

Page 85: ... is shifted to normal operation with previous setting When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed When operation mode is changed quiet operation is shifted to quiet operation of the new mode except fan mode only During quiet operation if timer on activates quiet operation maintains After off when on back quiet operation is not memorised Control cont...

Page 86: ... remote control the unit with timer set will stop operate at set time 13 9 Auto Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes This type of control is not applicable durin...

Page 87: ...Auto Fan Speed and no Powerful operation is allowed Even if Fan Speed button is pressed no signal is sent to the unit and no change on remote control display Auto Fan Speed for nanoe G operation changes from SHi to Hi after 4 hours of operation Airflow direction control o During any operation mode combines with nanoe G operation airflow direction follows respective operation mode o During nanoe G ...

Page 88: ...peration the nanoe G system has abnormal discharge due to short circuit caused by water or dust adhesion and so forth with Lo feedback voltage at microcontroller When abnormal discharge occurred every 30 minutes the unit supplies power to the nanoe G system When abnormal discharge occurs for 24 times continuously nanoe G indicator blinks o Troubleshooting method Press nanoe G button or OFF ON butt...

Page 89: ...In filter deactivation stop condition o The unit is turned on o nanoe G generator operation time during in filter deactivation operation has achieved 120 minutes o The unit received disable signal from remote control o Nanoe G abnormality occurs Control contents o When the unit operate in Cool or Dry mode before turned off 1 The unit will operate fan operation fan motor will operate at approximate...

Page 90: ...and when AUTO AIR SWING is set the vertical airflow direction fixed at lower limit position 13 14 AUTO COMFORT and ECONAVI Operation Area of human availability activity level and absent is judged based on pulses by using 2 infrared sensors The internal setting temperature shift fan speed and horizontal airflow direction are adjusted in order to provide comfort environment while maintain the energy...

Page 91: ...using infrared sensor The internal setting temperature shift fan speed and horizontal airflow direction are adjusted in order to provide comfort environment while maintain the energy saving level Human activity judgment is as following 13 14 1 1 Signal Detection Presumption flow of human position o Detection outline ...

Page 92: ...inutes then it will judge as absence 13 14 1 6 Area of Living Classification Judgment The system is able to judge area of living according to human activity database classified as following o Zone I Living Area In front of television dining table etc o Zone II Walkway Human detection is relatively less o Zone III Non Living Area Near windows wall etc 13 14 1 7 Target Area and Position Judgment By ...

Page 93: ...or Dry mode under ECONAVI or AUTO COMFORT operation and o Human activity sensor detects low activity level and o Neuro stable zone continuously for 60 minutes Stop condition o Unit is off or o ECONAVI or AUTO COMFORT is off or o Human activity sensor detects high activity level or absent or Control contents o When all start conditions complied set temperature will shift accordingly as following ...

Page 94: ...ormality o 70 seconds after power ON if human activity sensor judge Lo level continuously for 25 seconds Error Code judgment When abnormality happened internal counter increase by 1 time Human activity sensor power OFF retry after 5 seconds When the human activity sensor maintains normal condition for 120 seconds the counter reset or AC reset When abnormality counter reached 4 times H59 occurred N...

Page 95: ...essing ECONAVI button again If the human activity sensor has no abnormality the CHECK process will end and continue with normal operation 13 14 2 Sunlight Sensor During ECONAVI operation the sunlight sensor detects sunlight intensity coming through windows and differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature Sunlight judgment is as fol...

Page 96: ...intensity database The sunlight sensor sensitivity could be adjusted 13 14 2 3 Judge Ambient Condition According to sunlight intensity over a period of time the system will analyze the ambient condition is sunny cloudy or night 13 14 2 4 Temperature Shift In a room without window or with thick curtain the sunlight sensor will judge as cloudy night ...

Page 97: ...sunlight sensor check mode o After check mode is ended 5 minutes counter elapsed press AUTO OFF ON button at indoor unit o If the sunlight sensor detected sunlight intensity is at abnormal range the check mode will be ended Please check for error code 13 14 2 6 Sunlight Sensor Abnormality Abnormality detection o When ECONAVI is ON if the sunlight intensity value below minimum level continuously fo...

Page 98: ...etting temperature Capability supply OFF point 14 3 Heating Operation 14 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 99: ... heating than remote control setting temperature the powerful operation continue until user cancel the Powerful operation by pressing powerful button again 14 7 Auto restart control When the power supply is cut off during the operation of air conditioner the compressor will re operate between three to four minutes 10 patterns to be selected randomly after power resume During multi split connection...

Page 100: ...4 20 15 06 5 49 14 98 7 23 14 91 8 18 14 91 10 07 14 75 11 81 14 75 Model E24PKE E28PKE Operation Mode X A Y A X A Y A Cooling Soft Dry A 14 39 19 05 14 82 19 05 Cooling Soft Dry B 11 78 19 05 13 7 19 05 Heating 12 75 19 05 14 91 19 05 4 The first 30 minutes of cooling operation A will be applied E7 9 12 15 21 24PK E28PK 15 1 3 IPM Power transistor Prevention Control Overheating Prevention Control...

Page 101: ... 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 Protection Control 1 When the compressor op...

Page 102: ...r 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 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...

Page 103: ... Air Temperature Control The Max current value is regulated when the outdoor air temperature rise above 14 C E7 9 12 15PK and 14 C E18 21PK in order to avoid compressor overloading 15 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below If the heat exchanger temperature exceeds 60 C compressor will stop 15...

Page 104: ...e 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 code to the EEPROM There are 4 types of...

Page 105: ...emote Control Receiving Sound OFF ON Mode is restarted 16 2 Remote Control Button 16 2 1 SET Button To check remote control transmission code and store the transmission code to EEPROM o Press Set button continuously for 10 seconds by using pointer o Press Timer Set button until a beep sound is heard as confirmation of transmission code changed 16 2 2 RESET RC To clear and restore the remote contro...

Page 106: ...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 Normal Pressure and Outlet Air Temperature Standard Gas Pressure Mpa kg cm 2 G Outlet air Temperature C Cooling Mode 0 9 1 2 9 12 12 16 Heating Mode 2 3 2 9 23 29 36 45 Condition Indoor fan speed High Outdoor temperature ...

Page 107: ...ation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Ô Ô Ô Ô Ô Ô Clogged capillary tube or Strainer Ô Ô Ô Ò Ò Ò Short circuit in the indoor unit Ô Ô Ô Ò Ò Ò Heat radiation deficiency of the outdoor unit Ò Ò Ò Ô Ô Ô Inefficient compression Ò Ô Ô Ò Ô Ô Carry out the measurement of pressure electric current and temperature fifteen minutes after an op...

Page 108: ...To Display 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 w...

Page 109: ...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 110: ...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 111: ...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 112: ... 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 113: ...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 114: ...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 115: ...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 116: ...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 117: ... 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 118: ...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 119: ...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 120: ...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 121: ...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 122: ...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 123: ...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 124: ... 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 125: ...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 126: ...eration is used to determine abnormal fan motor 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 outdoor unit PCB Troubleshooting ...

Page 127: ...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 128: ...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 129: ... 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 130: ...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 131: ...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 132: ...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 133: ...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 134: ...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 135: ...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 136: ...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 137: ...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 138: ...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 139: ... sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 18 1 CS E7PK CS E9PK CS E12PK CS E15PK CS XE7PK CS XE9PK CS XE12PK CS XE15PK 18 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 18 1 1 1 To remove front grille Figure 1 18 1 1 2 To remove electronic controller Figure 2 ...

Page 140: ...140 Figure 3 Figure 4 18 1 1 3 To remove discharge grille Figure 5 ...

Page 141: ...141 18 1 1 4 To remove control board Figure 6 18 1 1 5 To remove cross flow fan and indoor fan motor Figure 7 ...

Page 142: ...142 Figure 8 Figure 9 ...

Page 143: ...143 Figure 10 ...

Page 144: ...E21PK CS E24PK CS E28PK CS XE18PK CS XE21PK 18 2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 18 2 1 1 To remove front grille Figure 11 18 2 1 2 To remove horizontal vane Figure 12 ...

Page 145: ...145 18 2 1 3 To remove power electronic controller Figure 13 Figure 14 Figure 15 Figure 16 ...

Page 146: ...146 18 2 1 4 To remove discharge grille Figure 17 18 2 1 5 To remove control board Figure 18 18 2 1 6 To remove cross flow fan and indoor fan motor Figure 19 ...

Page 147: ...147 Figure 20 Figure 21 ...

Page 148: ...148 Figure 22 ...

Page 149: ...ronic controller be careful of electrostatic discharge 1 Remove the 3 screws of the Top Panel Fig 1 2 Remove the 6 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 150: ...ul of 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 151: ...2 Remove the 10 screws of the Front Panel Fig 2 3 Remove the Top Cover of the Electronic Controller Fig 3 4 Remove the Control Board Fig 4 5 Remove the 8 screws of the Electronic Controller Fig 5 Caution When handling electronic controller be careful of electrostatic discharge ...

Page 152: ... 2 Remove the 8 screws of the Front Panel Fig 2 3 Remove the Top Cover of the Electronic Controller Fig 3 4 Remove the Control Board Fig 4 5 Remove the 6 screws of the Electronic Controller Fig 5 Caution When handling electronic controller be careful of electrostatic discharge ...

Page 153: ... 19 Technical Data 19 1 Operation Characteristics 19 1 1 CS E7PKEW CU E7PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 154: ...154 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 155: ...155 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 156: ...156 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 157: ...157 19 1 2 CS E9PKEW CU E9PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 158: ...158 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 159: ...159 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 160: ...160 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 161: ...161 19 1 3 CS E12PKEW CU E12PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 162: ...162 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 163: ...163 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 164: ...164 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 165: ...165 19 1 4 CS E15PKEW CU E15PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 166: ...166 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 167: ...167 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 168: ...168 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 169: ...169 19 1 5 CS E18PKEW CU E18PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 170: ...170 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 171: ...171 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 172: ...172 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 173: ...173 19 1 6 CS E21PKEW CU E21PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 174: ...174 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 175: ...175 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 176: ...176 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 177: ...177 19 1 7 CS E24PKEW CU E24PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 178: ...178 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 179: ...179 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 180: ...180 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 181: ...181 19 1 8 CS E28PKES CU E28PKE Cooling Characteristic Condition Indoor temperature 27 19 C Piping Length 5m Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 182: ...182 Piping Length Characteristic Condition Indoor temperature 27 19 C 35 C Remote condition High fan speed Cool 16 C Comp Hz Fc ...

Page 183: ...183 Heating Characteristic Condition Indoor temperature 20 C Piping Length 5m Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 184: ...184 Piping Length Characteristic Condition Indoor temperature 20 C 7 6 C Remote condition High fan speed Heat 30 C Comp Hz Fh ...

Page 185: ...C 46 C Indoor wet bulb TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 3 47 2 63 0 78 3 24 2 52 0 84 3 02 2 43 0 90 2 74 2 30 0 97 19 0 C 3 50 0 85 19 5 C 3 81 2 76 0 79 3 56 2 65 0 85 3 31 2 55 0 91 3 01 2 43 0 98 22 0 C 4 15 2 86 0 81 3 88 2 75 0 87 3 61 2 65 0 93 3 28 2 53 1 00 CU E15PKE 230V Outdoor Temperature 30 C 35 C 40 C 46 C Indoor wet bulb TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 4...

Page 186: ... 6 75 5 11 1 91 6 30 4 90 2 05 5 86 4 71 2 19 5 33 4 48 2 36 19 0 C 6 80 2 08 19 5 C 7 41 5 35 1 94 6 92 5 14 2 09 6 44 4 95 2 23 5 85 4 71 2 41 22 0 C 8 07 5 55 1 98 7 54 5 34 2 13 7 02 5 15 2 27 6 38 4 91 2 45 CU E28PKE 230V Outdoor Temperature 30 C 35 C 40 C 46 C Indoor wet bulb TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 7 59 5 75 2 31 7 09 5 52 2 48 6 59 5 30 2 66 6 00 5 04 2 87 19 0 C 7 6...

Page 187: ... Indoor Unit 20 1 1 CS E7PKEW CS E9PKEW CS E12PKEW CS E15PKEW CS XE7PKEW CS XE9PKEW CS XE12PKEW CS XE15PKEW 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 188: ...MOTOR 1 CWA981241 O 22 AIR SWING MOTOR 1 CWA981299 O 23 CAP DRAIN TRAY 1 CWH521259 24 SENSOR COMPLETE 1 CWA50C2663 O 25 ELECTRONIC CONTROLLER MAIN 1 CWA73C7146 CWA73C7147 CWA73C7148 CWA73C7149 O 25a ELECTRONIC CONTROLLER FUSE 1 CWA747002 O 26 ELECTRONIC CONTROLLER HVU 1 N0GE1F000002 O 27 CONTROL BOARD CASING 1 CWH102456 28 CONTROL BOARD TOP COVER 1 CWH131531 29 CONTROL BOARD FRONT COVER CO 1 CWH13...

Page 189: ...NSTALLATION INSTRUCTION 1 CWF615516 53 INSTALLATION INSTRUCTION 1 CWF615517 54 INSTALLATION INSTRUCTION 1 CWF615518 55 INSTALLATION INSTRUCTION 1 CWF615519 56 INSTALLATION INSTRUCTION 1 CWF615520 57 SENSOR COMPLETE ECO 1 CWA50C3005 O 58 AIR SWING MOTOR ECO 1 CWA981298 O 59 ELECTRONIC CONTROLLER 1 CWA746917 O 60 ELECTRONIC CONTROLLER 1 CWA747279 O 61 BAG 1 CWG861515 62 SHOCK ABSORBER L 1 CWG713484 ...

Page 190: ...G MOTOR 1 CWA981241 O 22 AIR SWING MOTOR 1 CWA981299 O 23 CAP DRAIN TRAY 1 CWH521259 24 SENSOR COMPLETE 1 CWA50C2663 O 25 ELECTRONIC CONTROLLER MAIN 1 CWA73C7146 CWA73C7147 CWA73C7148 CWA73C7149 O 25a ELECTRONIC CONTROLLER FUSE 1 CWA747002 O 26 ELECTRONIC CONTROLLER HVU 1 N0GE1F000002 O 27 CONTROL BOARD CASING 1 CWH102456 28 CONTROL BOARD TOP COVER 1 CWH131531 29 CONTROL BOARD FRONT COVER CO 1 CWH...

Page 191: ... INSTALLATION INSTRUCTION 1 CWF615516 53 INSTALLATION INSTRUCTION 1 CWF615517 54 INSTALLATION INSTRUCTION 1 CWF615518 55 INSTALLATION INSTRUCTION 1 CWF615519 56 INSTALLATION INSTRUCTION 1 CWF615520 57 SENSOR COMPLETE ECO 1 CWA50C3005 O 58 AIR SWING MOTOR ECO 1 CWA981298 O 59 ELECTRONIC CONTROLLER 1 CWA746917 O 60 ELECTRONIC CONTROLLER 1 CWA747279 O 61 BAG 1 CWG861515 62 SHOCK ABSORBER L 1 CWG71348...

Page 192: ...S E18PKEW CS E21PKEW CS E24PKEW CS E28PKES CS XE18PKEW CS XE21PKEW 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 193: ...NE COMPLETE 1 CWE24C1434 21 AIR SWING MOTOR 1 CWA981304 O 22 AIR SWING MOTOR 1 CWA981299 O 23 CAP DRAIN TRAY 1 CWH521259 24 SENSOR COMPLETE 1 CWA50C2663 O 25 ELECTRONIC CONTROLLER MAIN 1 CWA73C7157 CWA73C7158 CWA73C7156 CWA73C7159 O 25a ELECTRONIC CONTROLLER FUSE 1 CWA747002 O 26 ELECTRONIC CONTROLLER HVU 1 N0GE1F000002 O 27 CONTROL BOARD CASING 1 CWH102456 28 CONTROL BOARD TOP COVER 1 CWH131531 2...

Page 194: ...RUCTION 1 CWF615515 CWF615758 52 INSTALLATION INSTRUCTION 1 CWF615516 CWF615759 53 INSTALLATION INSTRUCTION 1 CWF615517 CWF615760 54 INSTALLATION INSTRUCTION 1 CWF615518 CWF615761 55 INSTALLATION INSTRUCTION 1 CWF615519 CWF615762 56 INSTALLATION INSTRUCTION 1 CWF615520 CWF615763 57 SENSOR COMPLETE ECO 1 CWA50C3046 O 58 AIR SWING MOTOR ECO 1 CWA981298 O 59 ELECTRONIC CONTROLLER 1 CWA746917 O 60 ELE...

Page 195: ...MOTOR 1 CWA981299 O 23 CAP DRAIN TRAY 1 CWH521259 24 SENSOR COMPLETE 1 CWA50C2663 O 25 ELECTRONIC CONTROLLER MAIN 1 CWA73C7157 CWA73C7158 O 25a ELECTRONIC CONTROLLER FUSE 1 CWA747002 O 26 ELECTRONIC CONTROLLER HVU 1 N0GE1F000002 O 27 CONTROL BOARD CASING 1 CWH102456 28 CONTROL BOARD TOP COVER 1 CWH131531 29 CONTROL BOARD FRONT COVER CO 1 CWH13C1286 30 TERMINAL BOARD COMPLETE 1 CWA28C2607 O 31 ELEC...

Page 196: ...ION INSTRUCTION 1 CWF615517 54 INSTALLATION INSTRUCTION 1 CWF615518 55 INSTALLATION INSTRUCTION 1 CWF615519 56 INSTALLATION INSTRUCTION 1 CWF615520 57 SENSOR COMPLETE ECO 1 CWA50C3046 O 58 AIR SWING MOTOR ECO 1 CWA981298 59 ELECTRONIC CONTROLLER 1 CWA746917 O 60 ELECTRONIC CONTROLLER 1 CWA747279 O 61 BAG 1 CWG861498 62 SHOCK ABSORBER L 1 CWG713484 63 SHOCK ABSORBER R 1 CWG713485 64 C C CASE 1 CWG5...

Page 197: ...197 20 2 Outdoor Unit 20 2 1 CU E7PKE CU E9PKE 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 198: ...21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151172 23A SOUND PROOF MATERIAL 1 CWG302315 23B SOUND PROOF MATERIAL 1 CWG302316 23C SOUND PROOF MATERIAL 1 CWG302317 24 SENSOR CO COMP TEMP 1 CWA50C2205 O 25 CONTROL BOARD COVER TOP 1 CWH131264 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C7515R CWA73C7512R O 27 TERMINAL BOARD ASSY 1 CWA28K1298 O 28 CABINET SIDE PLATE CO 1 CWE04C1116 29 SENSOR...

Page 199: ...TY CU E7PKE CU E9PKE REMARK 53 SHOCK ABSORBER RIGHT 1 CWG712969 54 SHOCK ABSORBER LEFT 1 CWG712970 55 C C CASE 1 CWG568356 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 200: ...200 20 2 2 CU E12PKE CU E15PKE 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 201: ...1039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151274 23A SOUND PROOF MATERIAL 1 CWG302317 23B SOUND PROOF MATERIAL 1 CWG302701 23C SOUND PROOF MATERIAL 1 CWG302726 24 SENSOR CO COMP TEMP 1 CWA50C2894 O 25 CONTROL BOARD COVER TOP 1 CWH131473 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C7513R CWA73C7514R O 27 TERMINAL BOARD ASSY 1 CWA28K1298 O 28 CABINET SIDE PLATE CO 1 CWE04C1296 29 ...

Page 202: ...Y CU E12PKE CU E15PKE REMARK 48 SHOCK ABSORBER RIGHT 1 CWG713415 49 SHOCK ABSORBER LEFT 1 CWG713416 50 C C CASE 1 CWG568358 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 203: ...203 20 2 3 CU E18PKE CU E21PKE 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 204: ...25 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2185 O 27 V COIL COMPLETE 4 WAY VALVE 1 CWA43C2169J O 28 V COIL COMPLETE EXP VALVE 1 CWA43C2257 O 30 SENSOR COMPLETE 1 CWA50C2517 O 31 REACTOR 1 G0C203J00003 O 33 TERMINAL BOARD ASSY 1 CWA28K1298 O 38 ELECTRONIC CONTROLLER MAIN 1 CWA73C7179R CWA73C7182R O 40 CONTROL BOARD COVER TOP 1 CWH131333 41 CABINET SIDE PLATE LEFT 1 CWE041520A 42 HANDLE 1 CWE161010...

Page 205: ...Y CU E18PKE CU E21PKE REMARK 73 SHOCK ABSORBER LEFT 1 CWG713217 74 SHOCK ABSORBER RIGHT 1 CWG713218 75 C C CASE 1 CWG568359 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 206: ...206 20 2 4 CU E24PKE CU E28PKE 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 207: ...CWB021434 O 27 SOUND PROOF BOARD 1 CWH151197 28 TERMINAL COVER 1 CWH171039A 29 NUT TERMINAL COVER 1 CWH7080300J 30 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2185 O 32 V COIL COMPLETE 4 WAY VALVE 1 CWA43C2169J O 33 V COIL COMPLETE EXP VALVE 1 CWA43C2258 O 35 SENSOR COMPLETE 1 CWA50C2517 O 36 REACTOR 2 G0C403J00001 G0C423J00001 O 38 TERMINAL BOARD ASSY 1 CWA28K1298 CWA28K1036J O 40 ELECTRONIC CONTROL...

Page 208: ...KE CU E28PKE REMARK 59 SHOCK ABSORBER 1 CWG712879 60 SHOCK ABSORBER 1 CWG712880 61 C C CASE 1 CWG568361 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock Printed in Malaysia SB0313 1 ...

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Summary of Contents for CS-E7PKEW

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Panasonic CS-E7PKEW, Service Manual, Page: 98 / 208

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Summary of Contents for CS-E7PKEW

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