© 2006 panasonic ha air-conditioning (m) sdn. Bhd. (11969-t). All rights reserved. Unauthorized copying and distribution is a violation of law. Order no. Mac0612070c3 air conditioner cs-c18gkv cu-c18gkv cs-c24gkv cu-c24gkv table of contents page page 1 safety precautions-----------------------------...
2 13 servicing mode -------------------------------------------------- 45 13.1. Auto off/on button ------------------------------------ 45 13.2. Select remote control transmission code ------- 45 13.3. Remote control button --------------------------------- 46 14 troubleshooting guide---------------...
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...
4 4. Pb free solder has a higher melting point than standard solder; typically the melting point is 50 - 70 °f (30 - 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...
5 2 specifications 2.1. Cs-c18gkv cu-c18gkv 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.) item unit indoor unit outdoor unit performance test condition new ji...
6 note: • specification are subject to change without prior notice for further improvement. Item unit power source (phase, voltage, cycle) ø single v 220 hz 60 input power w 1.72k starting current a 47 running current cooling a 8.0 power factor cooling a 98 power factor means total figure of compres...
7 2.2. Cs-c24gkv cu-c24gkv 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.) item unit indoor unit outdoor unit performance test condition new jis capacity kw 7.0...
8 note: • specification are subject to change without prior notice for further improvement. Item unit power source (phase, voltage, cycle) ø single v 220 hz 60 input power kw 2.55 starting current a 63 running current cooling a 12.0 power factor cooling a 97 power factor means total figure of compre...
9 3 features • high efficiency • compact design • wider range of horizontal discharge air • air filter with function to reduce dust and smoke • automatic air swing by remote control for vertical and horizontal airflow • long installation piping - cs/cu-c18gk, cs/cu-c24gk, long piping up to 25 meter ...
10 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.
11 5 dimensions 5.1. Indoor unit & remote control 5.1.1. Cs-c18gk cs-c24gk.
12 5.2. Outdoor unit 5.2.1. Cu-c18gk cu-c24gk.
13 6 refrigeration cycle diagram.
14 7 block diagram.
15 8 wiring connection diagram 8.1. Cs-c18gk cu-c18gk resistance of outdoor fan motor windings note: resistance at 20 °c of ambient temperature. Resistance of compressor windings note: resistance at 20 °c of ambient temperature. Model cu-c18gk connection cwa951401j blue-yellow 59.47 Ω yellow-red 60....
16 8.2. Cs-c24gk cu-c24gk resistance of outdoor fan motor windings note: resistance at 20 °c of ambient temperature. Resistance of compressor windings note: resistance at 20 °c of ambient temperature. Model cu-c24gk connection cwa951399j blue-yellow 59.47 Ω yellow-red 60.95 Ω yellow-orange 80.58 Ω m...
17 9 electronic circuit diagram.
18 10 printed circuit board 10.1. Indoor unit top view.
19 bottom view.
20 10.2. Indicator top view bottom view.
21 11 installation instruction 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 easily done. • a place where noise preventio...
22 11.1. Indoor unit 11.1.1. 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 550 mm at right and left of the wall. The distance from installation plate edge to ceiling should more tha...
23 3. For the embedded piping (this can be used for left rear piping and left bottom piping also.).
24 11.1.4. Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 × 2.5 mm 2 flexible cord, type designation 245 iec 57 o...
25 11.2.2. Connecting the piping connecting the piping to indoor unit please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe. (in case of using long piping) connect the piping • align the center of piping and sufficiently tighten the flare nut wit...
26 1) measure the pressure. 2) keep it for 5-10 minutes • ensure if the pressure indicated on the gauge is as same as that of measured at first time. 2) air purging the air remaining in the refrigeration cycle which contains moisture may cause malfunction on the compressor. 1. To purge the air, push...
27 12 operation and 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 intak...
28 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...
29 12.3. Automatic operation • automatic operation can be set using remote control. • this operation starts to operate with indoor fan at slo speed for 25 seconds to judge the intake air temperature. • after judged the temperature, the operation mode is determined by referring to the below standard....
30 12.4. Operation control 12.4.1. 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 ...
31 12.4.5. Compressor reverse rotation protection control • if the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor heat exchanger is 2.5 °c or less for continuous 2 minutes, compressor will stop and restart automatically. • ti...
32 2. Norrowing vertical airflow direction – during dew prevention control, airflow direction auto-control angle change from 10° - 38° to 10° - 27° under cooling and soft dry operation mode. – during dew prevention control, airflow direction manual control angle change from 10°, 14°, 18°, 22°, 27° t...
33 12.5. Indoor fan speed control • indoor fan speed can be set using remote control. 12.5.1. Fan speed rotation chart 12.5.2. 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...
34 • auto fan speed during soft dry operation: 1. Indoor fan will rotate alternately between off and lo-. 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose. 3. When compressor at turn off condition for 6 minutes, indoor fan w...
35 12.7. Vertical airflow direction control 12.7.1. 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 stopped with remote control, the discharge vent is reset, and stop at the closing position. • ...
36 12.8.2. Manual control • when the horizontal airflow direction is set to manual using the remote control, the automatic airflow is released and the airflow direction vane move left and right in the range shown in the diagram. The louver can be adjusted by pressing the button to the desired vane p...
37 12.10. Quiet operation (for cooling operation or cooling region of soft dry operation) • the quiet operation is to provide quiet/cooling operation condition compare to normal operation. • once the quiet mode is set at the remote control, the quiet mode led illuminated. The sound level will reduce...
38 12.11.2. Off timer • when the off timer is set by using the remote control, the unit will stop operate according to the desired setting. Notes 1. By pressing on/off operation button, the on timer or off timer setting will not be cancelled. 2. To cancel the previous timer setting, press cancel but...
39 12.14. Patrol operation 1. Purpose to monitor air dirtiness level by using gas sensor and activates e-ion operation whenever air is dirty. 2. Control condition a. Patrol operation start condition • when the unit operation is started with “off/on” button. • when the unit stops, “patrol” button is ...
40 3. Control content a. Gas 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 level 2. • after that, gas sensor starts to record the resistance value at fixed inter...
41 c. Indoor fan control • during any operation mode combines with patrol operation, fan speed follows respective operation mode. • during patrol individual operation if e-ion starts, only auto fan speed and no powerful operation is allowed. Even if “fan speed” button is pressed, no signal is sent t...
42 12.15. E-ion operation 1. Purpose this operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters. 2. Control condition a. E-ion operation start condition • during unit running at any operation mode, if “e-ion” button is pressed, combi...
43 3. Control content a. Indoor fan control • during any operation mode combines with e-ion operation, fan speed follows respective operation mode. • during e-ion individual operation - only auto fan speed and no powerful operation is allowed. Even if fan speed button is pressed, no signal is sent t...
44 g. Error detection control when e-ion indicator blink, it indicates error listed below: a. E-ion air purifying system main connector to pcb is open: judgment method • during e-ion operation (include during patrol operation), e-ion air purifying system main connector to pcb is opened. Troubleshoot...
45 13 servicing mode 13.1. 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...
46 13.3. Remote control button 13.3.1. 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...
47 14 troubleshooting guide 14.1. 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...
48 14.1.1. 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. 14.1.2. Diagnosis methods of a malfunction of a compressor cooling mode co...
49 15 disassembly and assembly instructions 15.1. 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 ...
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51.
52 15.2. Indoor fan motor and cross flow fan removal procedures.
53.
54 16 technical data 16.1. Thermostat characteristics cooling soft dry.
55 16.2. Operation characteristics 16.2.1. Cs-c18gkv cu-c18gkv.
56.
57 16.2.2. Cs-c24gkv cu-c24gkv.
58.
59 17 exploded view and replacement parts list 17.1. 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..
60 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). Ref. No. Part name & description qty. Cs-c18gkv cs-c24gkv 1 chassy complete 1 cwd50c1520 ← 2 fan motor, dc 30w 3ph 1 cwa981149j ← 3 cross flow fan complete 1 cwh02c1010 ← 4 screw - cross flow fan 1 cwh551146 ← 5 bearing ass’...
61 17.2. Outdoor 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..
62 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). [phaam] printed in malaysia ssbz0612-00 ref. No. Part name & description qty. Cu-c18gkv cu-c24gkv 1 chassy ass’y 1 cwd50k2115 cwd50k2100 2 compressor 1 2k25s236f6a 2j39s236a1a 3 anti - vibration bushing 3 cwh50055 ← 4 nut - ...
