© 2007 panasonic ha air-conditioning (m) sdn. Bhd. (11969-t). All rights reserved. Unauthorized copying and distribution is a violation of law. Order no. Mac0710041c3 air conditioner indoor unit outdoor unit cs-c18hkq cu-c18hkq cs-c24hkq cu-c24hkq table of contents page page 1 safety precautions----...
2 12.14. E-ion operation ------------------------------------------- 40 13 protection control ---------------------------------------------- 43 13.1. Restart control (time delay safety control) ------ 43 13.2. 7 minutes time save control ------------------------- 43 13.3. 60 seconds forced operation...
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 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...
5 2 specifications 2.1. Cs-c18hkq cu-c18hkq 1. Cooling capacities are based on indoor temperature of 27 qc d.B. (80.6qf d.B.), 19.0qc w.B. (66.2qf w.B.) and outdoor air temperature of 35 qc d.B. (95qf d.B.), 24qc w.B. (75.2qf 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 230 hz 60 input power w 1.73k starting current a 47 running current cooling a 7.7 maximum current cooling a 10.6 power factor cooling % 98 power facto...
7 2.2. Cs-c24hkq cu-c24hkq 1. Cooling capacities are based on indoor temperature of 27 qc d.B. (80.6qf d.B.), 19.0qc w.B. (66.2qf w.B.) and outdoor air temperature of 35 qc d.B. (95qf d.B.), 24qc w.B. (75.2qf 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 230 hz 60 input power kw 2.58 starting current a 63 running current cooling a 11.7 maximum current cooling a 14.3 power factor cooling % 96 power fact...
9 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-c18/24hk, long piping up to...
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-c18hkq cs-c24hkq.
12 5.2. Outdoor unit 5.2.1. Cu-c18hkq cu-c24hkq.
13 6 refrigeration cycle diagram.
14 7 block diagram.
15 8 wiring connection diagram 8.1. Cs-c18hkq cu-c18hkq resistance of outdoor fan motor windings note: resistance at 20 qc of ambient temperature. Resistance of compressor windings note: resistance at 20 qc of ambient temperature. Model cu-c18hkq connection cwa951401j blue-yellow 59.47 : yellow-red ...
16 8.2. Cs-c24hkq cu-c24hkq resistance of outdoor fan motor windings note: resistance at 20 qc of ambient temperature. Resistance of compressor windings note: resistance at 20 qc of ambient temperature. Model cu-c24hkq connection cwa951399j blue-yellow 59.47 : yellow-red 60.95 : yellow-orange 80.58 ...
17 9 electronic circuit diagram.
18 10 printed circuit board 10.1. Indoor unit top view.
19 bottom view.
20 10.2. Power printed circuit board top view bottom view.
21 10.3. Indicator top view bottom view.
22 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...
23 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 550 mm at right and left of the wall. The distance from installation plate edge to ceiling should more tha...
24 3. For the embedded piping (this can be used for left rear piping and left bottom piping also.).
25 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. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 u 2.5 mm 2 flexible cord, type designation 245 iec 57 o...
26 11.3.2. 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...
27 1) measure the pressure. 2) keep it for 5-10 minutes x 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...
28 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...
29 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...
30 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....
31 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...
32 • 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...
33 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 stopped with remote control, the discharge vent is reset, and stop at the closing position. • ...
34 12.7.2. 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...
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/...
36 12.10.2. 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...
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...
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...
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...
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...
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...
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...
43 13 protection control 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 comp...
44 13.6. 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 qc or less for continuous 2 minutes, compressor will stop and restart automatically. • time...
45 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...
46 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...
47 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...
48 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...
49 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 ...
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51.
52 16.2. Indoor fan motor and cross flow fan removal procedures.
53.
54 17 technical data 17.1. Thermostat characteristics cooling soft dry.
55 17.2. Operation characteristics 17.2.1. Cs-c18hk cu-c18hk.
56.
57 17.2.2. Cs-c24hk cu-c24hk.
58.
59 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..
60 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). Ref. No. Part name & description qty. Cs-c18hkq cs-c24hkq 1 chassy complete 1 cwd50c1520 m 2 fan motor, dc 30w 3ph 1 arw61e8p30ac arw51h8p30ac 3 cross flow fan complete 1 cwh02c1010 m 4 screw - cross flow fan 1 cwh551146 m 5...
61 18.2. 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 ssth0711-00 ref. No. Part name & description qty. Cu-c18hkq cu-c24hkq 1 chassy ass’y 1 cwd50k2115 cwd50k2100 2 compressor 1 2k25s236f6a 2j39s236a1a 3 anti - vibration bushing 3 cwh50055 m 4 nut - ...
