Panasonic CS-A12HKD Service Manual

Other manuals for CS-A12HKD: Operating Instructions Manual
Manual is about: Air Conditioner

Summary of CS-A12HKD

  • Page 1

    © 2007 panasonic ha air-conditioning (m) sdn. Bhd. (11969-t). All rights reserved. Unauthorized copying and distribution is a violation of law. Order no. Mac0711059c8 air conditioner indoor unit outdoor unit cs-c7hkd cu-c7hkd cs-c9hkd cu-c9hkd cs-c12hkd cu-c12hkd table of contents page page 1 safety...

  • Page 2

    2 12.13. Patrol operation ------------------------------------------ 37 12.14. E-ion operation ------------------------------------------- 40 13 protection operation------------------------------------------- 43 13.1. Restart control (time delay safety control) ------ 43 13.2. 7 minutes time save co...

  • Page 3: 1 Safety Precautions

    3 1 safety precautions • read the following “safety precautions” carefully before perform any servicing. • electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. • the caution items stated...

  • Page 4

    4 1. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. 2. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the...

  • Page 5: 2 Specifications

    5 2 specifications 2.1. Cs-c7hkd cu-c7hkd 1. Cooling capacities are based on indoor temperature of 27 °c d.B. (80.6°f d.B.), 19.0°c w.B. (66.2°f w.B.) and outdoor air temperature of 35 °c d.B. (95°f d.B.), 24°c w.B. (75.2°f w.B.) 2. Heating capacities are based on indoor temperature of 20 °c d.B. (6...

  • Page 6

    6 note: • specification are subjected to change without prior notice for further improvement. Item unit power source (phase, voltage, cycle) ø single single v 220 240 hz 50 50 input power w 590 640 starting current a 12.4 12.4 running current cooling a 2.8 2.9 maximum current a 3.4 3.4 power factor ...

  • Page 7

    7 2.2. Cs-c9hkd cu-c9hkd 1. Cooling capacities are based on indoor temperature of 27 °c d.B. (80.6°f d.B.), 19.0°c w.B. (66.2°f w.B.) and outdoor air temperature of 35 °c d.B. (95°f d.B.), 24°c w.B. (75.2°f w.B.) 2. Heating capacities are based on indoor temperature of 20 °c d.B. (68°f d.B.) and out...

  • Page 8

    8 note: • specification are subjected to change without prior notice for further improvement. Item unit power source (phase, voltage, cycle) ø single single v 220 240 hz 50 50 input power w 800 835 starting current a 18 18 running current cooling a 3.8 3.7 maximum current a 4.9 4.9 power factor cool...

  • Page 9

    9 2.3. Cs-c12hkd cu-c12hkd 1. Cooling capacities are based on indoor temperature of 27 °c d.B. (80.6°f d.B.), 19.0°c w.B. (66.2°f w.B.) and outdoor air temperature of 35 °c d.B. (95°f d.B.), 24°c w.B. (75.2°f w.B.) 2. Heating capacities are based on indoor temperature of 20 °c d.B. (68°f d.B.) and o...

  • Page 10

    10 note: • specification are subjected to change without prior notice for further improvement. Item unit power source (phase, voltage, cycle) ø single single v 220 240 hz 50 50 input power kw 1.11 1.15 starting current a 26 26 running current cooling a 5.3 5.2 maximum current a 7.0 7.0 power factor ...

  • Page 11: 3 Features

    11 3 features • e-ion air purifying system with patrol sensor - active e-ions are released to catch dust particles and bring them back the large positively charged filter - patrol sensor color changes to indicate the dirt level in the air • long installation piping - cs/cu-c7hk, cs/cu-c9hk, long pip...

  • Page 12

    12 4 location of controls and components 4.1. Product overview 4.1.1. Indoor unit 4.1.2. Outdoor unit 4.1.3. Remote control.

  • Page 13: 5 Dimensions

    13 5 dimensions 5.1. Indoor unit & remote control 5.1.1. Cs-c7hk cs-c9hk cs-c12hk.

  • Page 14

    14 5.2. Outdoor unit 5.2.1. Cu-c7hk cu-c9hk cu-c12hk.

  • Page 15

    15 6 refrigeration cycle diagram.

  • Page 16: 7 Block Diagram

    16 7 block diagram.

  • Page 17: 8 Wiring Connection Diagram

    17 8 wiring connection diagram 8.1. Cs-c7hk cu-c7hk / cs-c9hk cu-c9hk / cs-c12hk cu-c12hk resistance of indoor fan motor windings note: resistance at 25 °c of ambient temperature. Resistance of outdoor fan motor windings note: resistance at 25 °c of ambient temperature. Resistance of compressor wind...

  • Page 18

    18 9 electronic circuit diagram.

  • Page 19: 10 Printed Circuit Board

    19 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board top view.

  • Page 20

    20 bottom view.

  • Page 21

    21 10.1.2. Power printed circuit board top view bottom view.

  • Page 22

    22 10.1.3. Indicator top view bottom view.

  • Page 23: 11 Installation Instruction

    23 11 installation instruction 11.1. Select the best location 11.1.1. Indoor unit • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a place where air circulation in the room is good. • a place where drainage can be easil...

  • Page 24

    24 11.2. Indoor unit 11.2.1. How to fix installation plate the mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than 450 mm at right and left of the wall. The distance from installation plate edge to ceiling should more tha...

  • Page 25

    25 11.2.3.3. For the embedded piping pull out the piping and drain hose how to keep the cover insert the connecting cable install the indoor unit secure the indoor unit (this can be used for left rear piping & left bottom piping also.).

  • Page 26

    26 • how to pull the piping and drain hose out, in case of the embedded piping. • in case of left piping how to insert the connecting cable and drain hose. 11.2.4. Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. C...

  • Page 27

    27 11.3.2.2. Connecting the piping to outdoor unit 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 piping to valves and then tighten with torque wrench to the specifie...

  • Page 28

    28 11.3.4. Connect the cable to the outdoor unit 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 (c7hkd, c9hkd, c12hkd) × 1.5 mm 2 flexible cord, type designation 245 iec 57 ...

  • Page 29: 12 Operation Control

    29 12 operation control 12.1. Cooling operation • cooling operation can be set using remote control. • this operation is applied to cool down the room temperature reaches the setting temperature set on the remote control. • the remote control setting temperature, which takes the reading of intake ai...

  • Page 30

    30 12.2. Soft dry operation • soft dry operation can be set using remote control. • soft dry operation is applied to dehumidify and to perform a gentle cooling to the room. • this operation starts when the intake air temperature sensor reaches the setting temperature on the remote control. • when op...

  • Page 31

    31 12.3. Automatic operation • automatic operation can be set using remote control. • this operation starts to operate with indoor fan at slo speed for 20 seconds to judge the intake air temperature. • after judged the temperature, the operation mode is determined by referring to the below standard....

  • Page 32

    32 12.4. Indoor fan speed control • indoor fan speed can be set using remote control. 12.4.1. Fan speed rotation chart 12.4.2. Automatic fan speed control • when set to auto fan speed, the fan speed is adjusted between maximum and minimum setting as shown in the table. - fan speed rotates in the ran...

  • Page 33

    33 • auto fan speed during cooling operation: 1. Indoor fan will rotate alternately between off and on as shown in below diagram. 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose. 3. For the first time the compressor operate...

  • Page 34

    34 12.6. Vertical airflow direction control 12.6.1. Auto control • when the vertical airflow direction is set to auto using the remote control, the louver swings up and down as shown in the diagram. • when stop operation using the remote control, the discharge vent is reset, and stop at the closing ...

  • Page 35

    35 12.9. Quiet operation (for cooling operation or cooling region of soft dry operation) • to provide quiet cooling operation condition. • once the quiet mode is set at the remote control, the quiet mode led illuminated. The sound level will reduce around 2 db(a) for lo fan speed or 3 db(a) for hi/m...

  • Page 36

    36 12.10. Timer control 12.10.1. On timer • when the on timer is set by using the remote control, the unit will start to operate slightly before the set time, so that the room will reach nearly to the set temperature by the set time. • for cooling and soft dry operation, the operation will start 15 ...

  • Page 37

    37 12.13. Patrol operation • to monitor air dirtiness level by using patrol sensor and to maintain air freshness by activates e-ion operation. • patrol operation start condition - when the unit operation is started with “off/on” button. - when the unit stops, “patrol” button is pressed, patrol indiv...

  • Page 38

    38 • patrol sensor control - first 2 minutes from patrol function activates is stabilization time, during stabilization time, no air dirtiness level is monitored. The air dirtiness level is set to clean, patrol led turns blue color. - after that, patrol sensor starts to record the resistance value a...

  • Page 39

    39 • airflow direction (horizontal, vertical) control - during any operation mode combines with patrol operation, airflow direction follows respective operation mode. - during patrol individual operation if e-ion starts, only auto air swing is allowed. Even if “air swing” button is pressed, no signa...

  • Page 40

    40 12.14. E-ion operation • this operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters. • e-ion operation start condition - during unit running at any operation mode, if “e-ion” button is pressed, combination operation (operation mod...

  • Page 41

    41 • airflow direction control - during any operation mode combines with e-ion operation, airflow direction follows respective operation mode. - during e-ion individual operation, only auto air swing is allowed. Even if air swing button is pressed, no signal is sent to air conditioner, and no change...

  • Page 42

    42 • error detection control when e-ion indicator blink, it indicates error listed below: 1. E-ion air purifying system pcb main connector open: • judgment method - during e-ion operation (include during patrol operation), e-ion air purifying system main connector to pcb is opened. • troubleshooting...

  • Page 43: 13 Protection Operation

    43 13 protection operation 13.1. Restart control (time delay safety control) • when the thermo-off temperature (temperature which compressor stops to operate) is reached during:- - cooling operation - the compressor stops for 3 minutes (minimum) before resume operation. - soft dry operation - the co...

  • Page 44

    44 13.5. Freeze preventive control • to protect indoor heat exchanger from freezing and to prevent higher volume of refrigerant in liquid form return to compressor. • this control will activate when the temperature of indoor heat exchanger falls below 2 °c continuously for more than 4 minutes and co...

  • Page 45

    45 13.7. Dew prevention control • to prevent dew formation at indoor unit discharge area. • this control start if:- - cooling mode or quiet mode is activated. - remote control setting temperature is less than 25 °c. - fan speed is at clo or qlo. - room temperature is constant (±1 °c) for 30 minutes....

  • Page 46: 14 Servicing Mode

    46 14 servicing mode 14.1. Auto off/on button 1. Auto operation mode the auto operation will be activated immediately once the auto off/on button is pressed. This operation can be use to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. Test run operatio...

  • Page 47

    47 14.3. Remote control button 14.3.1. Set button • to check current remote control transmission code. - press for more than 10 seconds. • to change the air quality sensor sensitivity: - press and release with pointer. - press the timer decrement button to select sensitivity: 1. Low sensitivity 2. S...

  • Page 48: 15 Troubleshooting Guide

    48 15 troubleshooting guide 15.1. Refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a f...

  • Page 49

    49 15.1.1. Relationship between the condition of the air conditioner and pressure and electric current • carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started. 15.1.2. Diagnosis methods of a malfunction of a compressor cooling mode co...

  • Page 50

    50 16 disassembly and assembly instructions 16.1. Indoor electronic controllers and control board removal procedures warning • cautions! When handling electronic controller, be careful of electrostatic discharge. • be sure to return the wiring to its original position. • there are many high voltage ...

  • Page 51

    51.

  • Page 52

    52 16.2. Indoor fan motor and cross flow fan removal procedures.

  • Page 53

    53.

  • Page 54: 17 Technical Data

    54 17 technical data 17.1. Thermostat characteristics cooling soft dry.

  • Page 55

    55 17.2. Operation characteristics 17.2.1. Cs-c7hk cu-c7hk.

  • Page 56

    56.

  • Page 57

    57 17.2.2. Cs-c9hk cu-c9hk.

  • Page 58

    58.

  • Page 59

    59 17.2.3. Cs-c12hk cu-c12hk.

  • Page 60

    60

  • Page 61

    61 18 exploded view and replacement parts list 18.1. Indoor unit 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 62

    62 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). Ref. No. Part name & description qty. Cs-c7hkd cs-c9hkd cs-c12hkd 1 chassy complete 1 cwd50c1572 ← ← 2 fan motor, ac 15w single 1 cwa921324 ← ← 3 cross flow fan complete 1 cwh02c1045 ← ← 4 bearing ass’y 1 cwh64k007 ← ← 5 scr...

  • Page 63

    63 18.2. Outdoor unit 18.2.1. Cu-c7hk cu-c9hk cu-c12hk 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 64

    64 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). • “o” marked parts are recommended to be kept in stock. [phaam] printed in malaysia sstk0712-00 ref. No. Part name & description qty. Cu-c7hkd cu-c9hkd cu-c12hkd remarks 1 chassy ass’y 1 cwd50k2107 ← ← 2 sound proof material...