© 2007 panasonic ha air-conditioning (m) sdn. Bhd. (11969-t). All rights reserved. Unauthorized copying and distribution is a violation of law. Order no. Mac0712084c2 air conditioner indoor unit outdoor unit cs-e18hkew cu-e18hke table of contents page page 1 safety precautions-----------------------...
2 10.2. Outdoor unit ----------------------------------------------- 27 11 installation instruction ---------------------------------------- 29 11.1. Select the best location ------------------------------ 29 11.2. Indoor/outdoor unit installation diagram ---------- 29 11.3. Indoor unit ------------...
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-e18hkew cu-e18hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 5.30 (0.90 ~ 6.00) btu/h 18100 (3070 ~ 20500) kcal/h 4560 (770 ~ 5160) eer w/w 3.21 (4.19 ~ 2.93) btu/hw 11.0 (14.3 ~ 10.0) noise level db (a) hi: 44, lo:37, ...
6 1. Cooling capacities are based on indoor temperature of 27 qc dry bulb (80.6qf dry bulb), 19.0qc wet bulb (66.2qf wet bulb) and outdoor air temperature of 35 qc dry bulb (95qf dry bulb), 24qc wet bulb (75.2qf wet bulb) 2. Heating capacities are based on indoor temperature of 20 qc dry bulb (68qf ...
7 2.2. Outdoor unit: cu-3e18ebe outdoor unit indoor unit combination operation mode capacity (kw) power input (kw) current (a) operation class (kw) rating mini - max rating mini - max cu-3e18ebe one-room operation 2.2 cooling 2.20 1.8 - 2.9 0.50 0.34 - 0.81 2.5 heating 3.20 1.2 - 4.1 0.74 0.30 - 1.2...
8 cu-3e18ebe three-room operation 2.8 + 2.8 + 3.2 cooling 5.20 1.9 - 7.2 1.23 0.36 - 2.18 5.4 heating 6.80 1.4 - 8.3 1.49 0.32 - 2.11 6.5 outdoor unit indoor unit combination operation mode capacity (kw) power input (kw) current (a) operation class (kw) rating mini - max rating mini - max.
9 2.3. Outdoor unit: cu-3e23cbpg cu-4e27cbpg outdoor unit indoor unit combination operation mode capacity (kw) power input (kw) current (a) operation class (kw) rating mini - max rating mini - max cu-3e23cbpg one-room operation 2.2 cooling 2.20 1.9 - 2.7 0.45 0.38 - 0.62 2.25 heating 3.20 1.7 - 4.1 ...
10 cu-3e23cbpg three-room operation 2.2 + 2.8 + 5.0 cooling 6.80 2.8 - 8.3 1.95 0.49 - 2.79 8.50 heating 8.60 3.5 - 9.0 1.92 0.56 - 2.73 8.45 2.2 + 3.2 + 3.2 cooling 6.80 2.7 - 8.3 1.97 0.46 - 2.80 8.60 heating 8.60 3.2 - 9.1 1.91 0.50 - 2.71 8.35 2.2 + 3.2 + 4.0 cooling 6.80 2.8 - 8.3 1.95 0.49 - 2...
11 cu-4e27cbpg three-room operation 2.2 + 2.2 + 2.2 cooling 6.60 2.2 - 7.8 1.66 0.41 - 2.49 7.40 heating 8.61 3.1 - 10.4 1.99 0.50 - 3.25 8.80 2.2 + 2.2 + 2.8 cooling 7.00 2.5 - 8.1 1.89 0.46 - 2.85 8.25 heating 8.80 3.2 - 10.4 2.01 0.51 - 3.22 8.85 2.2 + 2.2 + 3.2 cooling 7.30 2.5 - 8.2 1.98 0.46 -...
12 cu-4e27cbpg three-room operation 3.2 + 4.0 + 5.0 cooling 8.00 2.9 - 8.4 2.35 0.49 - 2.82 10.30 heating 9.40 4.1 - 10.5 2.10 0.70 - 3.10 9.20 3.2 + 5.0 + 5.0 cooling 8.00 2.9 - 8.5 2.35 0.52 - 2.81 10.30 heating 9.40 4.2 - 10.5 2.06 0.70 - 3.08 9.05 4.0 + 4.0 + 4.0 cooling 7.98 2.9 - 8.4 2.39 0.49...
13 cu-4e27cbpg four-room operation 2.2 + 3.2 + 4.0 + 4.0 cooling 8.00 2.9 - 9.1 2.09 0.52 - 2.86 9.20 heating 9.40 4.2 - 10.6 2.06 0.70 - 3.06 9.05 2.8 + 2.8 + 2.8 + 2.8 cooling 8.00 2.8 - 8.8 2.11 0.49 - 2.84 9.30 heating 9.40 3.9 - 10.5 2.03 0.66 - 3.08 8.95 2.8 + 2.8 + 2.8 + 3.2 cooling 8.00 2.8 ...
14 3 features • inverter technology - wider output power range - energy saving - quick cooling - more precise temperature control • 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 • environment...
15 note: “ ” : available remarks for cu-2e15gbe / cu-2e18cbpg 1. At least two indoor units must be connected. 2. The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of indoor unit. (as shown in the table above) example: ...
16 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.
17 5 dimensions 5.1. Indoor unit & remote control.
18 5.2. Outdoor unit 5.2.1. Cu-e18hke.
19 6 refrigeration cycle diagram piping size rated length (m) max elevation (m) min. Piping length (m) max. Piping length (m) additional refrigerant (g/m) model gas liquid e18hke 1/2” 1/4” 5 15 3 20 20 * if piping length is over common length, additional refrigerant should be added as shown in the t...
20 7 block diagram 7.1. Cs-e18hkew cu-e18hke.
21 8 wiring connection diagram 8.1. Indoor unit 8.1.1. Cs-e18hkew.
22 8.2. Outdoor unit 8.2.1. Cu-e18hke.
23 9 electronic circuit diagram 9.1. Indoor unit.
24 9.2. Outdoor unit 9.2.1. Cu-e18hke.
25 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.
26 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board.
27 10.2. Outdoor unit 10.2.1. Main printed circuit board 10.2.1.1. Cu-e18hke.
28 10.2.2. Noise filter printed circuit board.
29 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. ...
30 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...
31 3. For the embedded piping (this can be used for left rear piping and left bottom piping also.).
32 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 u 1.5 mm 2 flexible cord, type designation 245 iec 57 o...
33 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...
34 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...
35 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 u 1.5 mm 2 flexible cord, type d...
36 12 operation and control 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 mai...
37 12.1.5. Automatic operation • this mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature. • during operation mode judgment, indoor fan motor (with speed of l...
38 [heating] • according to indoor pipe temperature, automatic heating fan speed is determined as follows. B. Feedback control • immediately after the fan motor started, feedback control is performed once every second. • during fan motor on, if fan motor feedback 2550 rpm or increase, fan motor is t...
39 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...
40 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 operation with previous setting. 3. ...
41 12.5. On timer control on timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set on time. 60 minutes before the set time, indoor (at fan speed of lo-) and outdoor fan motor...
42 12.9. Patrol operation a. Purpose to monitor air dirtiness level by using gas sensor and activates e-ion operation whenever air is dirty. B. Control condition a. Patrol operation start condition • when the unit operation is started with “off/on” button. • when the unit stops, “patrol” button is p...
43 c. 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...
44 g. Timer control • when on timer activates when unit stops, previous operation resumes without patrol operation. • when on timer activates during any operation, no change and carry on current operation. • when off timer activates during any operation, all operation stops. H. Power failure • durin...
45 c. 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...
46 error reset method • press “off/on” button to off the operation. • press auto off/on button at indoor unit to off the operation. • off timer activates. • press “e-ion” button during e-ion individual mode. • power supply reset. Iii. E-ion breakdown judgement method • when hi-feedback voltage (at m...
47 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...
48 13.1.5. Compressor overheating prevention control instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below figure. If compressor discharge temperature exceeds 112 qc, compressor will be stop, occurs 4 times per 20 m...
49 13.2.2. Cooling overload control i. Pipe temperature limitation/restriction • detects the outdoor pipe temperature and carry out below restriction/limitation (limit the compressor operation frequency) • the compressor stop if outdoor pipe temperature exceeds 63 qc. • if the compressor stops 4 tim...
50 13.3. Protection control for heating operation 13.3.1. Intake air temperature control compressor will operate at maximum frequency if below conditions occur: 1. When the indoor intake air temperature is 30 qc or above. 13.3.2. Outdoor air temperature control the maximum current value is regulated...
51 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...
52 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...
53 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...
54 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 ...
55 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...
56 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...
57 16 disassembly and assembly instructions 16.1. Indoor electronic controllers, cross flow fan and indoor fan motor removal procedures 16.1.1. To remove front grille 16.1.2. To remove power electronic controller warning high voltage are generated in the electrical parts area by the capacitor. Ensur...
58.
59 16.1.3. To remove discharge grille 16.1.4. To remove control board.
60 16.1.5. To remove cross flow fan and indoor fan motor.
61.
62 17 technical data 17.1. Operation characteristics 17.1.1. Cs-e18hkew cu-e18hke.
63.
64.
65.
66 17.2. Sensible capacity chart cs-e18hkew cu-e18hke outdoor temp. ( qc) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0 qc 5.26 3.99 1.51 4.91 3.82 1.63 4.57 3.67 1.74 4.16 3.49 1.88 19.0 qc 5.30 1.65 19.5 qc 5.77 4.17 1.54 5.40 4.01 1.66 5.02 3.86 1.77 4.56 3.67 1.9...
67 18 exploded view and replacement parts list 18.1. Cs-e18hkew 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..
68 (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-e18hkew remarks 1 chassy complete 1 cwd50c1520 2 fan motor 1 arw61g8p30ac o 3 cross flow fan complete 1 cwh02c1010 4 screw - cro...
69 18.2. Cu-e18hke 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..
70 (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 sssc0712 - 00 ref. No. Description & name qty. Cu-e18hke remarks 1 chassy ass’y 1 cwd50k2085 2 anti-vibration bushing 3 cwh50077 3 compresso...
