- DL manuals
- Panasonic
- Air Conditioner
- CS-E12HKEW
- Service Manual
Panasonic CS-E12HKEW Service Manual - page 84
Summary of CS-E12HKEW
Page 1
&.
Page 2: 1 Safety Precautions
2 2.1. Cs-e7hkew cu-e7hke -------------------------------5 2.2. Cs-e9hkew cu-e9hke -------------------------------7 2.3. Cs-e12hkew cu-e12hke ----------------------------9 2.4. Cs-e15hkew cu-e15hke -------------------------- 11 2.5. Outdoor unit: cu-2e15gbe--------------------------- 13 2.6. Outdoor...
Page 3
3 1. Engage dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage, electrical shock or fire. 2. Install according to this installation instructions strictly. If installation is defective, it will cause water leaka...
Page 4
4 7. Power supply connection to the air conditioner. Connect the power supply cord of the air conditioner to the mains using one of the following methods. Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency. In some countries, permane...
Page 5: 2 Specifications
5 2 specifications 2.1. Cs-e7hkew cu-e7hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 2.05 (0.70 ~ 2.40) kcal/h 1760 (600 ~ 2060) eer w/w 4.36 (4.12 ~ 4.14) kcal/hw 3.74 (3.53 ~ 3.55) noise level db (a) high 37, low 24, qlo 20 high 45 power level...
Page 6
6 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.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature of...
Page 7
7 2.2. Cs-e9hkew cu-e9hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 2.60 (0.80 ~ 3.00) kcal/h 2240 (690 ~ 2580) eer w/w 4.41 (4.57 ~ 4.00) kcal/hw 3.80 (3.94 ~ 3.44) noise level db (a) high 39, low 25, qlo 20 high 46 power level db high 50, low ...
Page 8
8 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.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature of...
Page 9
9 2.3. Cs-e12hkew cu-e12hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 3.50 (0.80 ~ 4.00) kcal/h 3010 (690 ~ 3440) eer w/w 3.68 (4.32 ~ 3.33) kcal/hw 3.17 (3.73 ~ 2.87) noise level db (a) high 42, low 28, qlo 20 high 48 power level db high 53, lo...
Page 10
10 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.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature o...
Page 11
11 2.4. Cs-e15hkew cu-e15hke item unit indoor unit outdoor unit performance test condition eurovent c o o l i n g capacity kw 4.40 (0.90 ~ 5.00) btu/h 15000 (3070 ~ 17100) kcal/h 3780 (770 ~ 4300) eer w/w 3.21 (4.19 ~ 3.13) btu/hw 10.9 (14.3 ~ 10.7) noise level db (a) high 43, low 32, qlo 29 high 46...
Page 12
12 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.) 2. Heating capacities are based on indoor temperature of 20 qc d.B. (68qf d.B.) and outdoor air temperature o...
Page 13
13 2.5. Outdoor unit: cu-2e15gbe.
Page 14
14 2.6. Outdoor unit: 3e18ebe.
Page 15
15 2.7. Outdoor unit: cu-3e23cbpg cu-4e27cbpg.
Page 16
16.
Page 17
17.
Page 18
18.
Page 19: 3 Features
19 3 features • inverter technology - wider output power range - energy saving - quick cooling - quick heating - 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 filt...
Page 20
20 • multi split combination possibility: - a single outdoor unit enables air conditioning of up to two separate rooms for cu-2e15gbe, cu-2e18cbpg. - a single outdoor unit enables air conditioning of up to three separate rooms for cu-3e18ebe, cu-3e23cbpg. - a single outdoor unit enables air conditio...
Page 21
21 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.
Page 22: 5 Dimensions
22 5 dimensions 5.1. Indoor unit.
Page 23
23 5.2. Outdoor unit 5.2.1. Cu-e7hke cu-e9hke cu-e12hke 5.2.2. Cu-e15hke.
Page 24
24 6 refrigeration cycle diagram 6.1. Cs-e7hkew cu-e7hke cs-e9hkew cu-e9hke cs-e12hkew cu-e12hke if piping length is over common length, additional refrigerant should be added as shown in the table. Model piping size rated length (m) common length (m) max. Elevation (m) min. Piping length (m) max. P...
Page 25
25 6.2. Cs-e15hkew cu-e15hke if piping length is over common length, additional refrigerant should be added as shown in the table. Model piping size rated length (m) common length (m) max. Elevation (m) min. Piping length (m) max. Piping length (m) additional refrigerant (g/m) gas liquid e15hk 1/2” ...
Page 26: 7 Block Diagram
26 7 block diagram 7.1. Cs-e7hkew cu-e7hke cs-e9hkew cu-e9hke cs-e12hkew cu-e12hke.
Page 27
27 7.2. Cs-e15hkew cu-e15hke.
Page 28: 8 Wiring Connection Diagram
28 8 wiring connection diagram 8.1. Indoor unit.
Page 29
29 8.2. Outdoor unit 8.2.1. Cu-e7hke cu-e9hke cu-e12hke.
Page 30
30 8.2.2. Cu-e15hke.
Page 31
31 9 electronic circuit diagram 9.1. Indoor unit.
Page 32
32 9.2. Outdoor unit 9.2.1. Cu-e7hke cu-e9hke cu-e12hke.
Page 33
33 9.2.2. Cu-e15hke.
Page 34: 10 Printed Circuit Board
34 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.
Page 35
35 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board 10.1.4. Patrol printed circuit board.
Page 36
36 10.2. Outdoor unit 10.2.1. Cu-e7hke cu-e9hke cu-e12hke.
Page 37
37 10.2.2. Cu-e15hke.
Page 38: 11 Installation Instruction
38 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 ...
Page 39
39 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 450 mm at right and left of the wall. The distance from installation plate edge to ceiling should more tha...
Page 40
40 3. For the embedded piping (this can be used for left rear piping and left bottom piping also.).
Page 41
41 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...
Page 42
42 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...
Page 43
43 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...
Page 44
44 4. Cable connection to the power supply through knife switch (disconnecting means). • connect the approved polychloroprene sheathed power supply cable (3 x 1.5 mm 2 ), type designation 245 iec 57 or heavier cord to the terminal board, and connect the other end of the cable to knife switch (discon...
Page 45: 12 Operation Control
45 12 operation 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 maintai...
Page 46
46 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...
Page 47
47 [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...
Page 48
48 2. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are as figure 2 below. When the air conditioner is stopped using remote control, the vane will shift to close position. 12.4.2. Horizontal airflow • the h...
Page 49
49 2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3. When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode, e...
Page 50
50 12.10. Indication panel note: • if power led is blinking, the possible operation of the unit are hot start, during deice operation, operation mode judgment, or on timer sampling. • if timer led is blinking, there is an abnormality operation occurs. • if e-ion led is blinking, there is an abnormal...
Page 51
51 c. Patrol operation disable • to disable the patrol operation during unit start (default) with “off/on” button, press “patrol” button and hold for 5 seconds, then release. • to disable the patrol operation, press “patrol” button and hold for 15 seconds, then release. C. Control content a. Gas sen...
Page 52
52 e. Indicator • when patrol operation starts, patrol sensor indicator on. • when e-ion operation starts based on dirtiness level, e-ion indicator on. G. Timer control • when on timer activates when unit stops, previous operation resumes without patrol operation. • when on timer activates during an...
Page 53
53 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...
Page 54
54 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...
Page 55: 13 Protection Control
55 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...
Page 56
56 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. • if compressor discharge temperature exceeds 110 qc, compressor will be stopped, occurs 4 times per 20 m...
Page 57
57 13.1.9. Low frequency protection control 2 • when all the below conditions comply, the compressor frequency will change to lower frequency. 13.2. Protection control for cooling & soft dry operation 13.2.1. Outdoor air temperature control • the compressor operating frequency is regulated in accord...
Page 58
58 13.2.5. Dew prevention control 2 • to prevent dew formation at indoor unit discharge area. • this control starts if all conditions continue for 20 minutes: - operated with cooling or soft dry mode. - indoor intake temperature is between 25 qc and 29qc. - outdoor air temperature is less than 30 qc...
Page 59: 14 Servicing Mode
59 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...
Page 60
60 • during remote control number switch mode, press any button at remote control to transmit and store the transmission code to the eeprom. 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 qualit...
Page 61: 15 Troubleshooting Guide
61 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...
Page 62
62 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. Cooling mode heating mode low pressure high pressure electric current duri...
Page 63
63 15.2. Breakdown self diagnosis function 15.2.1. Self diagnosis function (three digits alphanumeric code) • once abnormality has occurred during operation, the unit will stop its operation, and timer led blinks. • although timer led goes off when power supply is turned off, if the unit is operated...
Page 64
64 15.3. Error codes table 15.3.1. Cu-e7hke cu-e9hke cu-e12hke 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. A...
Page 65
65 15.3.2. Cu-e15hke 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 when abno...
Page 66
66 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 high voltages are generated in the electrical parts area by the capacitor. Ensure that ...
Page 67
67 16.1.3. To remove discharge grille.
Page 68
68 16.1.4. To remove control board 16.1.5. To remove cross flow fan and indoor fan motor.
Page 69
69.
Page 70
70 16.2. Outdoor electronic controller removal procedure 16.2.1. Cu-e7hke cu-e9hke cu-e12hke caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 3 screws of the top panel. Fig. 1 2. Remove the 6 screws of the front panel. Fig. 2 3. Remove the screw of t...
Page 71
71 16.2.2. Cu-e15hke 1. Remove the 4 screws of the top panel. Fig. 1 2. Remove the 10 screws of the front panel. Fig. 2 3. Remove the top cover of the electronic controller. Fig. 3 4. Remove the control board. Fig. 4 5. Remove the 8 screws of the electronic controller. Fig. 5 caution! When handling ...
Page 72: 17 Technical Data
72 17 technical data 17.1. Operation characteristics 17.1.1. Cs-e7hkew cu-e7hke.
Page 73
73.
Page 74
74.
Page 75
75.
Page 76
76 17.1.2. Cs-e9hkew cu-e9hke.
Page 77
77.
Page 78
78.
Page 79
79.
Page 80
80 17.1.3. Cs-e12hkew cu-e12hke.
Page 81
81.
Page 82
82.
Page 83
83.
Page 84
84 17.1.4. Cs-e15hkew cu-e15hke.
Page 85
85.
Page 86
86.
Page 87
87.
Page 88
88 17.2. Sensible capacity chart o cs-e7hkew cu-e7hke o cs-e9hkew cu-e9hke o cs-e12hkew cu-e12hke o cs-e15hkew cu-e15hke 230v 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 2.03 1.54 0.43 1.90 1.48 0.46 1.77 1.42 0.50 1.61 1.35 0.53 19.0 qc 2.05...
Page 89
89 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..
Page 90
90 (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-e7hkew cs-e9hkew cs-e12hkew cs-e15hkew remarks 1 chassy complete 1 cwd50c1572 m m m 2 fan motor 1 arw61g8p30ac m m m o 3 cross ...
Page 91
91 18.2. Outdoor unit 18.2.1. Cu-e7hke cu-e9hke cu-e12hke 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..
Page 92
92 (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. Cu-e7hke cu-e9hke cu-e12hke remarks 1 chassy ass’y 1 cwd50k2073 m m 2 sound proof material 1 cwg302447 — — 3 fan motor bracket 1 c...
Page 93
93 18.2.2. Cu-e15hke 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..
Page 94
94 (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 sfyw0712-00 ref. No. Description & name qty. Cu-e15hke remarks 1 chassy ass’y 1 cwd50k2085 2 anti-vibration bushing 3 cwh50077 3 compressor ...