© 2008 panasonic ha air-conditioning (m) sdn. Bhd. (11969-t). All rights reserved. Unauthorized copying and distribution is a violation of law. Order no. Mac0801007c8 air conditioner indoor unit outdoor unit cs-e18hkea cu-e18hkea cs-e21hkea cu-e21hkea table of contents page page 1 safety precautions...
2 12.5. Timer control---------------------------------------------- 33 12.6. Auto restart control------------------------------------- 33 12.7. Indication panel------------------------------------------- 33 12.8. Ion operation---------------------------------------------- 34 13 protection control --...
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-e18hkea cu-e18hkea 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) kcal/hw 2.76 (3.58 ~ 2.52) noise level db (a) hi: 44, lo:37...
6 1. Cooling capacities are based on indoor temperature of 27 °c dry bulb (80.6°f dry bulb), 19.0°c wet bulb (66.2°f wet bulb) and outdoor air temperature of 35 °c dry bulb (95°f dry bulb), 24°c wet bulb (75.2°f wet bulb) 2. Heating capacities are based on indoor temperature of 20 °c dry bulb (68°f ...
7 2.2. Cs-e21hkea cu-e21hkea item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 6.30 (0.90 ~ 7.10) btu/h 21500 (3070 ~ 24200) kcal/h 5420 (770 ~ 6110) eer w/w 2.85 (4.19 ~ 2.80) kcal/hw 2.45 (3.58 ~ 2.41) noise level db (a) hi: 45, lo:37, q-lo: 34 hi: 48...
8 1. Cooling capacities are based on indoor temperature of 27 °c dry bulb (80.6°f dry bulb), 19.0°c wet bulb (66.2°f wet bulb) and outdoor air temperature of 35 °c dry bulb (95°f dry bulb), 24°c wet bulb (75.2°f wet bulb) 2. Heating capacities are based on indoor temperature of 20 °c dry bulb (68°f ...
9 3 features • inverter technology - wider output power range - energy saving - quick cooling - quick heating - more precise temperature control • supersonic air purifying system with super alleru-buster - inactive various harmful airborne elements including allergens, viruses and bacteria. Generate...
10 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.
11 5 dimensions 5.1. Indoor unit & remote control.
12 5.2. Outdoor unit.
13 6 refrigeration cycle diagram piping size rated length (m) common length (m) max elevation (m) min. Piping length (m) max. Piping length (m) additional refrigerant (g/m) model gas liquid e18hkea, e21hkea 1/2” 1/4” 5 10 15 3 20 20 * if piping length is over common length, additional refrigerant sh...
14 7 block diagram.
15 8 wiring connection diagram 8.1. Indoor unit.
16 8.2. Outdoor unit.
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 11 installation instruction 11.1. Select the best location indoor unit • do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a place ...
23 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...
24 3. For the embedded piping (this can be used for left rear piping & left bottom piping also.).
25 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 × 1.5 mm 2 flexible cord, type designation 245 iec 57 o...
26 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...
27 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...
28 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...
29 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...
30 [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...
31 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...
32 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. ...
33 12.5. Timer control 12.5.1. 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-)...
34 12.8. Ion operation purpose to provide fresh air effect to users by discharging minus ion to air. Control condition a. Ionizer only operation. 1. When air-conditioner unit is at “off” condition (standby) and ion operation button at remote control is pressed. Fan & ionizer on, ion led illuminates,...
35 13 protection control 13.1. Protection control for all operations 13.1.1. Restart control (time delay safety control) • the compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing off/on button at remote control within this pe...
36 13.1.4. Ipm (power transistor) prevention control a. Overheating prevention control 1. When the ipm temperature rises to 110 °c, compressor operation will stop immediately. 2. Compressor operation restarts after three minutes the temperature decreases to 95 °c. B. Dc peak current control 1. When ...
37 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 °c. • if the compressor stops 4 tim...
38 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 °c or above. 13.3.2. Outdoor air temperature control the maximum current value is regulated...
39 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...
40 14.3. Remote control button 14.3.1. Set button • to check current remote control transmission code - press for more than 10 seconds. 14.3.2. Clock button • to change the remote control’s time format - press for more than 5 seconds. 14.3.3. Reset (rc) • to clear and restore the remote control sett...
41 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...
42 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 conditioner low pressure high...
43 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...
44 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...
45 16 disassembly and assembly instructions 16.1. Indoor electronic controllers and control board warning high voltage are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed tis caution ma...
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47 16.2. Indoor cross flow fan and fan motor.
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49 17 technical data 17.1. Operation characteristics 17.1.1. Cs-e18hkea cu-e18hkea.
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53 17.1.2. Cs-e21hkea cu-e21hkea.
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57 17.2. Sensible capacity chart cs-e18hkea cu-e18hkea cs-e21hkea cu-e21hkea 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 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 °c 5.30 1.65 19.5 °c 5.77 4.17 1.54 5.40 4.01 1.66 5.02 ...
58 18 exploded view and replacement parts list 18.1. Cs-e18hkea cs-e21hkea 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..
59 ref no. Part name & description qty. Cs-e18hkea cs-e21hkea remarks 1 chassy complete 1 cwd50c1382 ← 2 fan motor 1 cwa981149cb ← o 3 cross flow fan complete 1 cwh02c1010 ← 4 screw - cross flow fan 1 cwh551146 ← 5 bearing ass’y 1 cwh64k007 ← 6 evaporator 1 cwb30c1859 ← 7 flare nut (1/4”) 1 cwt25103...
60 (note) • all parts are supplied from phaam, malaysia (vendor code: 061). • “o” marked parts are recommended to be kept in stock. 53 operating instruction 1 cwf565940 ← 54 installation instruction 1 cwf613423 ← 55 installation instruction 1 cwf613424 ← 56 installation instruction 1 cwf613425 ← 57 ...
61 18.2. Cu-e18hkea cu-e21hkea 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). • “o” marked parts are recommended to be kept in stock. Ref. No. Description & name qty. Cu-e18hkea cu-e21hkea remarks 1 chassy ass’y 1 cwd50k2085 ← 2 anti-vibration bushing 3 cwh50077 ← 3 compressor 1 5cs130xae04 ← o 4 nut-...
63 [phaam] printed in malaysia ssyw0801 - 00
