© 2007 panasonic ha air-conditioning (m) sdn. Bhd. (11969-t). All rights reserved. Unauthorized copying and distribution is a violation of law. Order no. Mac0701008c2 air conditioner cs-e24gkes cu-e24gke cs-e28gke cu-e28gke table of contents page page 1 safety precautions----------------------------...
2 12.5. On timer control ---------------------------------------- 35 12.6. Off timer control --------------------------------------- 36 12.7. Auto restart control------------------------------------- 36 12.8. Indication panel------------------------------------------- 36 12.9. Patrol operation -----...
3 8. When connecting the piping, do not allow air or any substances other than the specified refrigerant to enter the refrigeration cycle. Otherwise, this may lower the capacity, cause abnormally high pressure in the refrigeration cycle, and possibly result in explosion and injury. 9. Thickness of c...
4 2 specifications 2.1. Cs-e24gkes cu-e24gke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 6.80 (0.90 ~ 8.10) btu/h 23200 (3070 ~ 27600) kcal/h 5850 (770 ~ 6970) eer w/w 3.21 (2.57 ~ 3.00) btu/hw 10.9 (8.8 ~ 10.2) noise level db (a) high 47, low 38 ...
5 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 outdoor air temperature of...
6 2.2. Cs-e28gke cu-e28gke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 7.65 (0.90 ~ 8.60) btu/h 26100 (3070 ~ 29300) kcal/h 6580 (770 ~ 7400) eer w/w 3.01 (2.57 ~ 2.92) btu/hw 10.3 (8.8 ~ 9.9) noise level db (a) high 49, low 38 high 53 power level...
7 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 outdoor air temperature of...
8 3 features • product - four modes of operation selection - powerful mode to reach the desired room temperature quickly with full power and a strong airflow - quiet mode to provide a quiet environment by reducing the indoor unit operating airflow sound - 24-hour on timer and off timer setting - air...
9 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.
10 5 dimensions 5.1. Indoor unit & remote control.
11 5.2. Outdoor unit.
12 6 refrigeration cycle diagram.
13 7 block diagram.
14 8 wiring connection diagram 8.1. Indoor unit.
15 8.2. Outdoor unit 8.2.1. Cu-e24gke.
16 8.2.2. Cu-e28gke.
17 9 electronic circuit diagram 9.1. Indoor unit.
18 9.2. Outdoor unit.
19 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.
20 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board.
21 10.2. Outdoor unit 10.2.1. Main printed circuit board.
22.
23 10.2.2. Power printed circuit board.
24 10.2.3. Noise filter printed circuit board.
25 11 installation instruction 11.1. Select the best location 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. ...
26 11.3. Indoor unit 11.3.1. 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...
27 3. For the embedded piping (this can be used for left rear piping and left bottom piping also.).
28 11.3.4. 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 4 × 2.5 mm 2 flexible cord, type designation 245 iec 57 o...
29 11.4. Outdoor unit 11.4.1. Install the outdoor unit • after selecting the best location, start installation according to indoor/outdoor unit installation diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider s...
30 11.4.3. Evacuation of the equipment when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1. Connect a charging hose with a push pin to the low side of a charging set and the service port of the 3-way valve. • be sure to conne...
31 11.4.4. 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. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 2.5 mm 2 flexible cord, type d...
32 12 operation and function 12.1. Basic function inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer ma...
33 1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below. When the air conditioner is stopped using r...
34 b. Quiet operation stop condition 1. When one of the following conditions is satisfied, quiet operation stops: a. Powerful button is pressed. B. Stop by off/on switch. C. Timer “off” activates. D. Quiet button is pressed again. 2. When quiet operation is stopped, operation is shifted to normal op...
35 c. Control contents a. Fan speed manual 1. Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of hi, me, lo for 3db. 2. Fan speed for quiet operation is -100 rpm from setting fan speed. 3. Fan speed auto • if fm lo -100 rpm reduce from norma...
36 12.6. Off timer control off timer can be set using remote control, the unit with timer set will stop operate at set time. 12.7. Auto restart control 1. 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 ...
37 b. Patrol operation stop condition when any of the following condition is fulfilled: • when “off/on” button is pressed. • during any operation with patrol, “patrol” button is pressed again. • when “e-ion” button is pressed. • when off timer activates. C. Patrol operation disable • to disable the ...
38 d. 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 sign...
39 c. E-ion operation pause condition • when indoor fan stop (during deice, odor cut control, thermostat off, etc.). E-ion operation resume after indoor fan restarts. • when indoor intake temperature 40 °c. E-ion operation resume after indoor intake temperature minutes. C. Control content a. Indoor ...
40 troubleshooting method • press “e-ion” button or “off/on” button to stop the operation and check the e-ion air purifying system main connector to pcb. • after that, press “e-ion” button again to confirm the e-ion indicator not blinking. • the 24 times counter will be clear after 10 minutes of nor...
41 13 protection control 13.1. Protection control for all operations 13.1.1. Time delay safety control 1. The compressor will not start for three minutes after stop of operation. 2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condition. 13.1...
42 13.1.5. Compressor overheating prevention control instructed frequency for compressor operation will be regulated by compressor top temperature. The changes of frequency are as below figure. 13.2. Protection control for cooling & soft dry operation 13.2.1. Outdoor air temperature control the comp...
43 • control contents: outdoor fan speed (switch to zone a and b minimum fan speed). Outdoor total current (zone c) higher than the specified. • cancellation condition: when one of above is not satisfied. 13.2.3. Freeze prevention control 1. When indoor heat exchanger temperature is lower than 2 °c ...
44 13.3.3. Overload protection control the compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures..
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 used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. Test run operati...
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. Sta...
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 15.2. 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. Cooling mode heating mode condition of the air conditoner low pressure high ...
49 15.3. Breakdown self diagnosis function 15.3.1. Self diagnosis function (three digits alphanumeric code) • once abnormality has occurred during operation, the unit will stop its operation, and timer leds blink. • although timer led goes off when power supply is turned off, if the unit is operated...
50 15.4. Error codes table note: “o” - frequency measured and fan speed fixed. The memory data of error code is erased when the power supply is cut off, or press the auto switch until “beep” sound heard following by pressing the “check” button at remote control. Although operation forced to stop whe...
51 16 disassembly and assembly instructions 16.1. Indoor electronic controllers, cross flow fan and indoor fan motor removal procedures 16.1.1. To remove the front grille • lift to open the vertical vent gently. Remove the 3 caps and 3 screws at the bottom of discharge vent. (fig. 1) • remove the fr...
52 • release the hooks that hold the main electronic controller and pull out the main electronic controller. (fig. 4) • release the cn-data1 connector. (fig. 5) • release the cn-th connector. (fig. 5) • release the cn-cln connector. (fig. 5) • release the cn-stm1 connector. (fig. 5) • release the cn...
53 16.1.4. To remove the discharge grille • pull out the drain hose (behind the discharge grille) from outlet to remove the discharge grille. (fig. 8) fig. 8 16.1.5. To remove the control board • release the 3 screws (fig. 9) • by pressing down the hook at the left, you will be able to remove the co...
54 • push up the evaporator and pull out the cross flow fan from shaft. By then, fan motor can be taken out. (fig. 12) fig. 12.
55 17 technical data 17.1. Operation characteristics 17.1.1. Cs-e24gkes cu-e24gke cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 °c remote control setting: hi fan, cool 16 °c compressor frequency: rated cooling voltage: 230 v.
56.
57 heating characteristic at different outdoor air temperature condition indoor room temperature : 20 °c remote control setting : hi fan, heat 30 °c compressor frequency : rated heating voltage : 230 v.
58.
59 cooling characteristic at different piping length condition indoor room temperature : 27/19 °c remote control setting : hi fan, cool 16 °c compressor frequency : rated cooling voltage : 230 v.
60
61 heating characteristic at different piping length condition indoor room temperature: 20 °c remote control setting: hi fan, heat 30 °c compressor frequency: rated heating voltage: 230 v.
62.
63 17.1.2. Cs-e28gke cu-e28gke cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 °c remote control setting: hi fan, cool 16 °c compressor frequency: rated cooling voltage: 230 v.
64.
65 heating characteristic at different outdoor air temperature condition indoor room temperature : 20 °c remote control setting : hi fan, heat 30 °c compressor frequency : rated heating voltage : 230 v.
66.
67 cooling characteristic at different piping length condition indoor room temperature : 27/19 °c remote control setting : hi fan, cool 16 °c compressor frequency : rated cooling voltage : 230 v.
68.
69 heating characteristic at different piping length condition indoor room temperature: 20 °c remote control setting: hi fan, heat 30 °c compressor frequency: rated heating voltage: 230 v.
70
71 17.2. Sensible capacity chart o cs-e24gkes cu-e24gke o cs-e28gke cu-e28gke outdoor temp. ( °c) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0 °c 6.75 5.11 1.94 6.30 4.90 2.09 5.86 4.71 2.23 5.33 4.48 2.41 19.0 °c 6.80 2.12 19.5 °c 7.41 5.35 1.98 6.92 5.14 2.13 6.44...
72 18 exploded view and replacement parts list 18.1. Cs-e24gkes cs-e28gke 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..
73 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). • “o” marked parts are recommended to be kept in stock. Ref no. Part name & description qty. Cs-e24gkes cs-e28gke remarks 1 chassy complete 1 cwd50c1520 ← 2 fan motor 1 arw51h8p30ac ← o 3 cross flow fan complete 1 cwh02c1010...
74 18.2. Cu-e24gke cu-e28gke.
75.
76 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..
77 ref. No. Description & name qty. Cu-e24gke cu-e28gke remarks 1 base pan ass’y 1 cwd52k1098 ← 2 compressor 1 5kd240xaa21 ← o 3 anti-vibration bushing 3 cwh50055 ← 4 nut for comp. Mount. 3 cwh561049 ← 4a packing 3 cwb811017 ← 6 condenser complete 1 cwb32c1995 cwb32c1997 8 discharge muffler 1 cwb121...
78 (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 sfyw0701 - 00 80 operation instruction 1 cwf565561 ← 81 operation instruction 1 cwf565564 ← 82 installation instruction 1 cwf613121 ← 83 ins...
