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Panasonic CS-E12PB4EA, Service Manual, Page: 1 / 117

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Panasonic CS-E12PB4EA Service Manual Download Page 1

© Panasonic Corporation 2013.

 

Order No: PAPAMY1305053CE 

 

 

Air Conditioner 

 

 

Indoor Unit 

Outdoor Unit

CS-E9PB4EA 

CS-E12PB4EA 

CU-E9PB4EA

CU-E12PB4EA

Destination

Europe

Please file and use this manual together with the Service Manual for Model No. CU-2E15PBE, CU-2E18PBE, CU-3E18PBE,
CU-4E23PBE, CU-4E27PBE, CU-5E34PBE, Order No. PAPAMY1301048CE, PAPAMY1303046CE 

 

 

 

 

 

 

 

PRECAUTION OF 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. 
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service 
or repair the products dealt with in this service information by anyone else could result in serious injury or death. 

WARNING

Summary of Contents for CS-E12PB4EA

Page 1: ...ssured 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 Products powered by electricity should be servi...

Page 2: ... Quiet Operation Heating 56 12 7 Powerful Mode Operation 56 12 8 Timer Control 56 12 9 Auto Restart Control 57 12 10 Indication Panel 57 12 11 Drain Pump Control Operation 57 13 Protection Control 58 13 1 Protection Control For All Operations 58 13 2 Protection Control For Cooling Soft Dry Operation 60 13 3 Protection Control For Heating Operation 61 14 Servicing Mode 62 14 1 Auto OFF ON Button 62...

Page 3: ...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 4: ...d solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C 7 Power supply connection to the room air conditioner Use power supply cord 3 x 1 5 mm 2 1 0 1 5HP type designation 60245 IEC ...

Page 5: ...dB A 34 26 23 34 26 23 Power Level dB 50 50 Outdoor Noise H L QLo dB A 45 45 Power Level dB 60 60 Heating Capacity kW 0 85 3 20 4 80 0 85 3 20 4 80 BTU h 2900 10900 16400 2900 10900 16400 kcal h 730 2750 4130 730 2750 4130 Running Current A 4 00 3 85 Input Power W 230 800 1 35k 230 800 1 35k COP W W 3 70 4 00 3 56 3 70 4 00 3 56 BTU hW 12 61 13 63 12 15 12 61 13 63 12 15 kcal hW 3 17 3 44 3 06 3 1...

Page 6: ...o Cool m 3 min ft 3 min 6 7 240 Heat m 3 min ft 3 min 8 0 280 Lo Cool m 3 min ft 3 min 7 3 260 Heat m 3 min ft 3 min 8 5 300 Me Cool m 3 min ft 3 min 8 8 310 Heat m 3 min ft 3 min 9 7 340 Hi Cool m 3 min ft 3 min 10 5 370 Heat m 3 min ft 3 min 10 8 380 SHi Cool m 3 min ft 3 min 11 2 400 Heat m 3 min ft 3 min 11 7 410 Outdoor Airflow Hi Cool m 3 min ft 3 min 30 5 1075 Heat m 3 min ft 3 min 28 9 102...

Page 7: ...g Maximum C 32 23 Minimum C 16 11 Heating Maximum C 30 Minimum C 16 Outdoor Operation Range Cooling Maximum C 43 26 Minimum C 10 Heating Maximum C 24 18 Minimum C 10 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 ba...

Page 8: ...4 26 23 34 26 23 Power Level dB 50 50 Outdoor Noise H L QLo dB A 45 45 Power Level dB 60 60 Heating Capacity kW 0 85 4 50 5 60 0 85 4 50 5 60 BTU h 2900 15300 19100 2900 15300 19100 kcal h 730 3870 4820 730 3870 4820 Running Current A 6 70 6 50 Input Power W 230 1 42k 2 00k 230 1 42k 2 00k COP W W 3 70 3 17 2 80 3 70 3 17 2 80 BTU hW 12 61 10 77 9 55 12 61 10 77 9 55 kcal hW 3 17 2 73 2 41 3 17 2 ...

Page 9: ...QLo Cool m 3 min ft 3 min 6 7 240 Heat m 3 min ft 3 min 8 0 280 Lo Cool m 3 min ft 3 min 7 3 260 Heat m 3 min ft 3 min 8 8 310 Me Cool m 3 min ft 3 min 8 8 310 Heat m 3 min ft 3 min 10 0 350 Hi Cool m 3 min ft 3 min 10 5 370 Heat m 3 min ft 3 min 10 8 380 SHi Cool m 3 min ft 3 min 11 2 400 Heat m 3 min ft 3 min 12 0 420 Outdoor Airflow Hi Cool m 3 min ft 3 min 33 0 1165 Heat m 3 min ft 3 min 30 6 ...

Page 10: ...ng Maximum C 32 23 Minimum C 16 11 Heating Maximum C 30 Minimum C 16 Outdoor Operation Range Cooling Maximum C 43 26 Minimum C 10 Heating Maximum C 24 18 Minimum C 10 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 b...

Page 11: ...W to 11 0 kW Pipe length 1 room maximum pipe length m 20 20 25 25 Allowable elevation m 10 10 15 15 Total allowable pipe length m 30 30 50 60 Total pipe length for maximum chargeless length m 20 20 30 30 Additional gas amount over chargeless length g m 15 15 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 ...

Page 12: ...17 5 kW Pipe length 1 room maximum pipe length m 25 25 Allowable elevation m 15 15 Total allowable pipe length m 70 80 Total pipe length for maximum chargeless length m 45 45 Additional gas amount over chargeless length g m 20 20 Note Available Remarks for CU 4E27PBE CU 5E34PBE 1 At least two indoor units must be connected 2 The total nominal cooling capacity of indoor units that will be connected...

Page 13: ... 2 0 2 0 4 0 2 0 2 5 4 5 2 0 2 8 4 8 2 0 3 2 5 2 2 5 2 5 5 0 2 5 2 8 5 3 2 8 2 8 5 6 Indoor Unit CS ME5PKE CS E7 9 12PKEW CS E9 12GFEW CS ME9 12PB4EA CS ME9 12PD3EA CS E9 12PD3EA CS E9 12PB4EA Outdoor Unit CU 2E18PBE 2 Room 1 Room Indoor Unit Capacity kW Total Indoor Capacity kW Indoor Unit Capacity kW Total Indoor Capacity kW 1 6 1 6 3 2 1 6 1 6 1 6 2 0 3 6 2 0 2 0 1 6 2 5 4 1 2 5 2 5 1 6 2 8 4 4...

Page 14: ...2 0 5 6 2 0 5 0 7 0 1 6 2 0 2 5 6 1 2 5 2 5 5 0 1 6 2 0 2 8 6 4 2 5 2 8 5 3 1 6 2 0 3 2 6 8 2 5 3 2 5 7 1 6 2 0 4 0 7 6 2 5 4 0 6 5 1 6 2 0 5 0 8 6 2 5 5 0 7 5 1 6 2 5 2 5 6 6 2 8 2 8 5 6 1 6 2 5 2 8 6 9 2 8 3 2 6 0 1 6 2 5 3 2 7 3 2 8 4 0 6 8 1 6 2 5 4 0 8 1 2 8 5 0 7 8 1 6 2 8 2 8 7 2 3 2 3 2 6 4 1 6 2 8 3 2 7 6 3 2 4 0 7 2 1 6 2 8 4 0 8 4 3 2 5 0 8 2 1 6 3 2 3 2 8 0 4 0 4 0 8 0 1 6 3 2 4 0 8 8 ...

Page 15: ...6 1 6 2 8 2 8 8 8 1 6 2 5 5 0 9 1 2 8 5 0 7 8 1 6 1 6 2 8 3 2 9 2 1 6 2 5 6 0 10 1 2 8 6 0 8 8 1 6 1 6 2 8 4 0 10 0 1 6 2 8 2 8 7 2 3 2 3 2 6 4 1 6 1 6 2 8 5 0 11 0 1 6 2 8 3 2 7 6 3 2 4 0 7 2 1 6 1 6 3 2 3 2 9 6 1 6 2 8 4 0 8 4 3 2 5 0 8 2 1 6 1 6 3 2 4 0 10 4 1 6 2 8 5 0 9 4 3 2 6 0 9 2 1 6 2 0 2 0 2 0 7 6 1 6 2 8 6 0 10 4 4 0 4 0 8 0 1 6 2 0 2 0 2 5 8 1 1 6 3 2 3 2 8 0 4 0 5 0 9 0 1 6 2 0 2 0 2...

Page 16: ... 2 0 2 8 4 0 10 8 2 5 2 8 4 0 9 3 2 0 2 0 3 2 3 2 10 4 2 5 2 8 5 0 10 3 2 0 2 5 2 5 2 5 9 5 2 5 3 2 3 2 8 9 2 0 2 5 2 5 2 8 9 8 2 5 3 2 4 0 9 7 2 0 2 5 2 5 3 2 10 2 2 5 3 2 5 0 10 7 2 0 2 5 2 5 4 0 11 0 2 5 4 0 4 0 10 5 2 0 2 5 2 8 2 8 10 1 2 8 2 8 2 8 8 4 2 0 2 5 2 8 3 2 10 5 2 8 2 8 3 2 8 8 2 0 2 5 3 2 3 2 10 9 2 8 2 8 4 0 9 6 2 0 2 8 2 8 2 8 10 4 2 8 2 8 5 0 10 6 2 0 2 8 2 8 3 2 10 8 2 8 3 2 3 ...

Page 17: ...0 9 8 2 0 2 0 3 2 3 2 10 4 2 0 2 8 7 0 11 8 3 2 3 2 6 4 2 0 2 0 3 2 4 0 11 2 2 0 3 2 3 2 8 4 3 2 4 0 7 2 2 0 2 0 3 2 5 0 12 2 2 0 3 2 4 0 9 2 3 2 5 0 8 2 2 0 2 0 3 2 6 0 13 2 2 0 3 2 5 0 10 2 3 2 6 0 9 2 2 0 2 0 4 0 4 0 12 0 2 0 3 2 6 0 11 2 3 2 7 0 10 2 2 0 2 0 4 0 5 0 13 0 2 0 3 2 7 0 12 2 4 0 4 0 8 0 2 0 2 5 2 5 2 5 9 5 2 0 4 0 4 0 10 0 4 0 5 0 9 0 2 0 2 5 2 5 2 8 9 8 2 0 4 0 5 0 11 0 4 0 6 0 1...

Page 18: ... 8 3 2 7 0 13 0 2 5 2 5 3 2 5 0 13 2 2 8 4 0 4 0 10 8 2 5 2 5 4 0 4 0 13 0 2 8 4 0 5 0 11 8 2 5 2 8 2 8 2 8 10 9 2 8 4 0 6 0 12 8 2 5 2 8 2 8 3 2 11 3 2 8 5 0 5 0 12 8 2 5 2 8 2 8 4 0 12 1 3 2 3 2 3 2 9 6 2 5 2 8 2 8 5 0 13 1 3 2 3 2 4 0 10 4 2 5 2 8 3 2 3 2 11 7 3 2 3 2 5 0 11 4 2 5 2 8 3 2 4 0 12 5 3 2 3 2 6 0 12 4 2 5 2 8 3 2 5 0 13 5 3 2 3 2 7 0 13 4 2 5 2 8 4 0 4 0 13 3 3 2 4 0 4 0 11 2 2 5 3...

Page 19: ...0 13 2 2 0 2 0 3 2 4 0 11 2 2 0 3 2 4 0 9 2 3 2 5 0 8 2 2 0 2 0 2 0 3 2 5 0 14 2 2 0 2 0 3 2 5 0 12 2 2 0 3 2 5 0 10 2 3 2 6 0 9 2 2 0 2 0 2 0 3 2 6 0 15 2 2 0 2 0 3 2 6 0 13 2 2 0 3 2 6 0 11 2 3 2 7 0 10 2 2 0 2 0 2 0 3 2 7 0 16 2 2 0 2 0 3 2 7 0 142 2 0 3 2 7 0 12 2 4 0 4 0 8 0 2 0 2 0 2 0 4 0 4 0 14 0 2 0 2 0 4 0 4 0 12 0 2 0 4 0 4 0 10 0 4 0 5 0 9 0 2 0 2 0 2 0 4 0 5 0 15 0 2 0 2 0 4 0 5 0 13 ...

Page 20: ...2 0 2 5 2 5 2 5 2 8 12 3 2 0 3 2 3 2 5 0 13 4 2 8 6 0 7 0 15 8 2 0 2 5 2 5 2 5 3 2 12 7 2 0 3 2 3 2 6 0 14 4 2 8 7 0 7 0 16 8 2 0 2 5 2 5 2 5 4 0 13 5 2 0 3 2 3 2 7 0 15 4 3 2 3 2 3 2 9 6 2 0 2 5 2 5 2 5 5 0 14 5 2 0 3 2 4 0 4 0 13 2 3 2 3 2 4 0 10 4 2 0 2 5 2 5 2 5 6 0 15 5 2 0 3 2 4 0 5 0 14 2 3 2 3 2 5 0 11 4 2 0 2 5 2 5 2 5 7 0 16 5 2 0 3 2 4 0 6 0 15 2 3 2 3 2 6 0 12 4 2 0 2 5 2 5 2 8 2 8 12 ...

Page 21: ... 4 0 4 0 16 0 2 5 2 8 5 0 6 0 16 3 2 0 2 8 3 2 4 0 5 0 17 0 2 5 2 8 5 0 7 0 17 3 2 0 2 8 4 0 4 0 4 0 16 8 2 5 2 8 6 0 6 0 17 3 2 0 3 2 3 2 3 2 3 2 14 8 2 5 3 2 3 2 3 2 12 1 2 0 3 2 3 2 3 2 4 0 15 6 2 5 3 2 3 2 4 0 12 9 2 0 3 2 3 2 3 2 5 0 16 6 2 5 3 2 3 2 5 0 13 9 2 0 3 2 3 2 4 0 4 0 16 4 2 5 3 2 3 2 6 0 14 9 2 0 3 2 3 2 4 0 5 0 17 4 2 5 3 2 3 2 7 0 15 9 2 0 3 2 4 0 4 0 4 0 17 2 2 5 3 2 4 0 4 0 13...

Page 22: ...16 8 2 5 2 8 2 8 3 2 3 2 14 5 3 2 3 2 3 2 3 2 12 8 2 5 2 8 2 8 3 2 4 0 15 3 3 2 3 2 3 2 4 0 13 6 2 5 2 8 2 8 3 2 5 0 16 3 3 2 3 2 3 2 5 0 14 6 2 5 2 8 2 8 3 2 6 0 17 3 3 2 3 2 3 2 6 0 15 6 2 5 2 8 2 8 4 0 4 0 16 1 3 2 3 2 3 2 7 0 16 6 2 5 2 8 2 8 4 0 5 0 17 1 3 2 3 2 4 0 4 0 14 4 2 5 2 8 3 2 3 2 3 2 14 9 3 2 3 2 4 0 5 0 15 4 2 5 2 8 3 2 3 2 4 0 15 7 3 2 3 2 4 0 6 0 16 4 2 5 2 8 3 2 3 2 5 0 16 7 3 ...

Page 23: ... use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 24 ...

Page 24: ...24 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Page 25: ...25 5 Dimensions 5 1 Indoor Unit ...

Page 26: ...26 5 2 Outdoor Unit 5 2 1 CU E9PB4EA 5 2 2 CU E12PB4EA ...

Page 27: ...27 6 Refrigeration Cycle Diagram 6 1 CS E9PB4EA CU E9PB4EA ...

Page 28: ...28 6 2 CS E12PB4EA CU E12PB4EA ...

Page 29: ...29 7 Block Diagram 7 1 CS E9PB4EA CU E9PB4EA ...

Page 30: ...30 7 2 CS E12PB4EA CU E12PB4EA ...

Page 31: ...31 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Page 32: ...32 8 2 Outdoor Unit 8 2 1 CU E9PB4EA Resistance of Compressor Windings MODEL CU E9PB4EA CONNECTION 5RD132XBE21 Ω U V 1 897 U W 1 907 V W 1 882 Note Resistance at 20 C of ambient temperature ...

Page 33: ...33 8 2 2 CU E12PB4EA Resistance of Compressor Windings MODEL CU E12PB4EA CONNECTION 5RD132XBA21 Ω U V 1 897 U W 1 907 V W 1 882 Note Resistance at 20 C of ambient temperature ...

Page 34: ...34 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 35: ...35 9 2 Outdoor Unit 9 2 1 CU E9PB4EA ...

Page 36: ...36 9 2 2 CU E12PB4EA ...

Page 37: ...37 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 38: ...38 10 1 2 Display Printed Circuit Board ...

Page 39: ...39 10 2 Outdoor Unit 10 2 1 CU E9PB4EA ...

Page 40: ...40 10 2 2 CU E12PB4EA ...

Page 41: ...away from any noise generating equipment The electrical wiring must be shielded with a steel conduit 10 If the power supply is subject to noise generation add a suppressor 11 Do not install the indoor unit in a laundry Electric shocks may result Note Thoroughly study the following installation locations 1 In such places as restaurants and kitchens considerable amount of oil steam and flour adhere ...

Page 42: ...nal charging etc 1 Brazing for piping a Execute brazing before tightening the flare nut b Brazing must be executed while blowing nitrogen gas This prevents generation of oxidized scale in copper pipe 2 When there is a lot of brazings for long piping install a strainer midway of the piping The strainer is locally supplied 3 Use clean copper pipe with inner wall surface free from mist and dust Blow ...

Page 43: ...own slope 1 50 to 1 100 be sure not to provide up and down slope to prevent reversal flow Be sure to check no air trap on drain hose and to ensure smooth water flow and no abnormal sound The height of drain may be possible up to 750 mm When drain set piping install as shown in the figure below Drain Test The air conditioner uses a drain up motor to drain water Use the following procedure to test t...

Page 44: ...s piping thick piping and drain piping add a further of 10 mm to 30 mm thickness material Wall seal When the outdoor unit is installed on a higher position than the indoor unit install the trap so as not to instill rain water into the wall by transmitting in piping Stuff the space among piping the electric wire and the drain hose with Putty and seal the penetration wall hole Make sure that rain wa...

Page 45: ...s 3 pcs before fitting the decorative panel For temporarily securing the front grille o Place decorative panel on the screws 3 pcs before fitting move decorative panel as illustrated and tighten all the screws 4 pcs Check before hand the height from the ceiling to the unit The front grille fitting direction is determined by the unit direction Only use the screws with the length of 35mm which is pr...

Page 46: ...en the indoor control box cover 2 pcs 5 Insert firmly the connector of cosmetic louver to indoor pcb CN STM1 CN STM2 and CN DISP Be caution not to clamp the cord in between control board and control board cover 6 After complete install back removed part follow opposite procedure Be sure to hook the air inlet grill string to prevent grill from falling and causing injury from it ...

Page 47: ...for additional gas additional refrigerant should be added as shown in the table Example For E9 If the unit is installed at 10 m distance the quantity of additional refrigerant should be 50 g 10 7 5 m x 20 g m 50 g 11 2 1 1 Indoor Outdoor Installation Diagram 11 2 2 Install the Outdoor Unit After selecting the best location start installation to Indoor Outdoor Unit Installation Diagram 1 Fix the un...

Page 48: ...serting the flare nut locate at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table 11 2 3 3 Connecting the Piping to Outdoor Multi Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of pi...

Page 49: ...quid refrigerant it may cause frostbite 11 2 5 Connect the Cable to the Outdoor Unit FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT 1 Remove the control board cover from the unit by loosening the screw 2 Cable connection to the power supply through Isolating Devices Disconnecting means o Connect approved type polychloroprene sheathed power supply cord 3 x 1 5 mm2 type designation 60245 IEC 57 or heavi...

Page 50: ... Switch Operation The following operations can be performed by pressing the AUTO switch 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed 2 TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec to below 8 sec A pep sound will occur at the fifth s...

Page 51: ...ment of the Remote Control 2 On the left side of the battery compartment there is a small opening in the centre in which Jumper J_A can be seen In the accepted Remo Con PCB shown beside Jumper J_B can be seen J_A J_B Remo Con No Short Open A Default Open Open B Short Short C Open Short D ...

Page 52: ...tting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Cooling Operation 12 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 53: ...4 C if previous operate in DRY mode then continue in DRY mode otherwise COOL mode is decided o If 2 5 C indoor intake temperature remote control setting temperature 4 C maintain with previous mode o If indoor intake temperature remote control setting temperature 2 5 C HEAT mode is decided 12 2 Indoor Fan Motor Operation 12 2 1 Basic Rotation Speed rpm A Basic Rotation Speed rpm i Manual Fan Speed ...

Page 54: ...ecomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 12 3 Outdoor Fan Motor Operation It starts when compressor starts operation and it stops 30 seconds after compressor stops operation During cooling operation and outdoor ambient temperature is below 8 C outdoor fan speed will be controlled according to outdoor piping temperature as following OD Pipe Temperature ...

Page 55: ...e angles of the vane are as stated above and the positions of the vane are as Figure 2 below When the air conditioner is stopped using remote control the vane will shift to close position 12 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 a...

Page 56: ...or FM RPM depends on pipe temp sensor of indoor heat exchanger 12 7 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift lower up to 2 C for Cooling Soft Dry or higher up to 3 5 C for Heating than remote control setting temperature for 20 minutes to achieve the setting temperature quickly 12 8 Timer Control There are 2 sets of ON and OFF timer avai...

Page 57: ...OFF Timer Setting OFF POWERFUL Mode OFF QUIET Mode OFF AIR SWING OFF Note If POWER LED is blinking the possible operation of the unit are Hot Start during Deice operation operation mode judgment or ON timer sampling If Timer LED is blinking there is an abnormality operation occurs 12 11 Drain Pump Control Operation Drain pump control This unit has built in with drain pump Control content During CO...

Page 58: ... Y A Cooling Soft Dry A 4 29 14 70 7 00 14 70 Cooling Soft Dry B C 3 86 6 56 Heating 5 64 8 23 4 The first 30 minutes of cooling operation A will be applied 13 1 3 IPM Power transistor Prevention Control Overheating Prevention Control 1 When the IPM temperature rises to 120 C compressor operation will stop immediately 2 Compressor operation restarts after 3 minutes the temperature decreases to 110...

Page 59: ...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 13 1 6 Low Frequency Protection Control 1 When the compressor operate at frequency lower tha...

Page 60: ...door 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 13 C the fan speed will return to its normal operation 13 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 61: ... 13 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 13 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 13 3 4 Low Tempera...

Page 62: ...F ON button may be used together with remote control to set change the advance setting of air conditioner operation 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 an...

Page 63: ...emote Control Receiving Sound OFF ON Mode is restarted 14 2 Remote Control Button 14 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 14 2 2 RESET RC To clear and restore the remote contro...

Page 64: ...wn Servicing Purpose The Test Run operation will be activated by short circuiting CN S Pin 1 and 2 at outdoor unit PCB after power supplied to outdoor unit terminal 1 and 2 The unit forced to run rated frequency cooling operation mode 14 3 1 CU E9PB4EA ...

Page 65: ...65 14 3 2 CU E12PB4EA ...

Page 66: ...nd 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 3...

Page 67: ...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 68: ...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 69: ...t Indoor heat exchanger temperature sensor 2 lead wire and connector 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 e...

Page 70: ...happen within 30 minutes Power transistor module overheat PCB faulty Outdoor air circuit fan motor F97 Compressor overheating protection 3 times happen within 30 minutes Compressor overheat Insufficient refrigerant F98 Total running current protection 3 times happen within 20 minutes Total current protection Check refrigeration system Power source or compressor lock F99 Outdoor direct current DC p...

Page 71: ...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 72: ...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 73: ...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 74: ...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 75: ...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 76: ...etermine 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 77: ... 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 78: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 79: ...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 80: ...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 81: ...tion 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 82: ...alfunction 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 83: ...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 84: ...h 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 85: ...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 86: ...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 87: ...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 88: ...rigeration 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 89: ...ion 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 90: ... 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 Troub...

Page 91: ...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 92: ...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 93: ...on 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 94: ...eating 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 95: ...mbly of Parts 1 Open the Intake Grille from the Front Grille by moving the catchers to center Fig 1 Fig 1 2 Remove the Control Board Cover by removing the screws Fig 2 Fig 2 3 Release the Fig 3 o CN STM1 WHT connector o CN STM2 YLW connector o CN DISP WHT connector o CN FM WHT connector o CN TH1 WHT connector o CN TH2 BLU connector o CN DRMTR1 BLU connector o AC01 BLK AC02 WHT and CN DRMTR2 RED fr...

Page 96: ...ld it to the Control Board Fig 4 Fig 4 5 Remove the Front Grille by removing the screw A and screws B C D half way open Fig 5 Fig 5 6 Remove the Air Guider and Drain Pan complete by removing the screws Fig 6 Fig 6 7 Remove the Turbo Fan by removing the bolt Fig 7 Fig 7 ...

Page 97: ...97 8 Remove the Fan Motor by release the Fan Motor lead wire connectors and Fan Motor screws Fig 8 Fig 8 ...

Page 98: ...c controller be careful 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 99: ...move 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 100: ... piping length forced cooling at 16 C Hi fan Compressor frequency Rated for cooling operation Voltage 220V 230V 17 1 1 CS E9PB4EA CU E9PB4EA Outlet Air C Outdoor Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Current A Low Pressure MPa 12 00 12 50 13 00 13 50 14 00 14 50 15 00 15 50 14 19 24 29 34 39 44 1 00 1 20 1 40 1 60 1 80 2 00 2 20 2 40 2 60 2 80 3 00 14 19 24 29 34 39...

Page 101: ...ir Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Current A Low Pressure MPa 220V 230V 10 00 11 00 12 00 13 00 14 00 15 00 14 19 24 29 34 39 44 2 00 2 50 3 00 3 50 4 00 4 50 5 00 14 19 24 29 34 39 44 0 60 0 80 1 00 1 20 14 19 24 29 34 39 44 ...

Page 102: ...C Hi fan Compressor frequency Rated for Heating operation Voltage 220V 230V 17 2 1 CS E9PB4EA CU E9PB4EA Outlet Air C Outdoor Air Temperature C Outdoor Air Temperature C Outdoor Air Temperature C Current A High Pressure MPa 220V 230V 20 24 28 32 36 40 15 10 5 0 5 10 15 1 50 2 00 2 50 3 00 3 50 4 00 4 50 15 10 5 0 5 10 15 1 40 1 60 1 80 2 00 2 20 2 40 2 60 15 10 5 0 5 10 15 ...

Page 103: ...ature C Outdoor Air Temperature C Outdoor Air Temperature C Current A High Pressure MPa 220V 230V 20 24 28 32 36 40 44 48 52 15 10 5 0 5 10 15 4 00 4 50 5 00 5 50 6 00 6 50 7 00 7 50 8 00 15 10 5 0 5 10 15 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 15 10 5 0 5 10 15 ...

Page 104: ...eating Capacity Note The graphs show the factor after added right amount of additional refrigerant Piping length m Capacity correction factor 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Range of additional refrigerant charge Piping length m Capacity correction factor 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Range of additional refrigerant charge ...

Page 105: ...ght amount of additional refrigerant Capacity correction factor Piping length m Range of additional refrigerant charge 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Piping length m Capacity correction factor 0 90 1 00 1 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Range of additional refrigerant charge ...

Page 106: ...106 18 Exploded View and Replacement Parts List 18 1 Indoor Unit ...

Page 107: ...107 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 108: ...R 1 CWA50C2549 23 HOLDER SENSOR 1 CWH32143 24 EVAPORATOR SUPPORTER 3 CWD911529A 25 TUBE ASS Y CAPIL TUBE 1 CWT07K1188 26 DRAIN PUMP COMPLETE 1 CWB53C1015 O 27 PANEL DRAIN PUMP ASS Y 1 CWD93K1021 28 DRAIN PUMP 1 CWB532043J 29 ANTI VIBRATION BUSHING 3 CWH501080 30 FLOAT SWITCH DRAIN PUMP 1 CWA121233 O 31 FLEXIBLE PIPE 1 CWH85C1033 32 DRAIN NOZZLE 1 CWH411011 33 DRAIN HOSE HEAT INSULATION 1 CWG321050...

Page 109: ...TION INSTRUCTION 1 CWF615954 58 INSTALLATION INSTRUCTION 1 CWF615955 59 INSTALLATION INSTRUCTION 1 CWF615956 60 INSTALLATION INSTRUCTION 1 CWF615957 61 INSTALLATION INSTRUCTION 1 CWF615958 62 BAG 1 CWG86420 63 BASE BOARD COMPLETE 1 CWG62C1047 64 SHOCK ABSORBER 1 CWG712509 65 SHOCK ABSORBER 3 CWG712510 66 C C CASE 1 CWG565693 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O m...

Page 110: ...110 18 2 CZ BT20E Front Grille Complete 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 111: ... 4 CWH081007 10 BEARING 6 CWH641008 O 12 PLATE COVER FOR A S MOTOR 1 CWD911459 13 PLATE COVER FOR CONNECTING SHAFT 2 CWD911460 14 PLATE COVER FOR END SHAFT 1 CWD911461 21 ELECTRONIC CONT RECEIVER INDICATOR 1 CWA743610 22 LEAD WIRE COMPLETE 1 CWA67C5576 24 INTAKE GRILLE 1 CWE221131 28 LEVER ARM 2 CWH651029 29 AIR FILTER 1 CWD001142 O Note All parts are supplied from PAPAMY Malaysia Vendor Code 0002...

Page 112: ...112 18 3 Outdoor Unit 18 3 1 CU E9PB4EA 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 113: ...4 23A SOUND PROOF MATERIAL 1 CWG302741 23B SOUND PROOF MATERIAL 1 CWG302745 24 SENSOR CO COMP TEMP 1 CWA50C2894 O 25 CONTROL BOARD COVER TOP 1 CWH131473 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C7815R O 27 TERMINAL BOARD ASSY 1 CWA28K1110J O 28 CABINET SIDE PLATE CO 1 CWE04C1296 29 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2893 O 30 CABINET SIDE PLATE 1 CWE041580A 31 CABINET FRONT PLATE CO 1 CWE06C1441...

Page 114: ...ART NAME DESCRIPTION QTY CU E9PB4EA REMARK 53 HOLDER SENSOR 2 CWH32143 54 HOLDER SENSOR 1 CWH321096 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 115: ...115 18 3 2 CU E12PB4EA 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 116: ... COMPLETE 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 AIR TEMP AND PIPE TEMP 1 CWA50C2517 O 31 REACTOR 1 G0C203J00003 O 33 TERMINAL BOARD ASSY 1 CWA28K1110J O 38 ELECTRONIC CONTROLLER MAIN 1 CWA73C7817R O 40 CONTROL BOARD COVER TOP 1 CWH131333 41 CABINET SIDE PLATE LEFT 1 CWE041522A 42 HANDLE 1 CWE161010 43 CABINET SI...

Page 117: ...PTION QTY CU E12PB4EA REMARK 77 PACKING L TUBE 1 CWB81012 78 HOLDER SENSOR 1 CWH32143 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock Printed in Malaysia FY0513 0 ...

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