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- Panasonic
- Air Conditioner
- CS-ME10CKPG
- Service Manual
Panasonic CS-ME10CKPG Service Manual - page 110
A
B
C
D
E
F
G
H
13
14
15
16
17
18
19
20
21
22
23
24
3, 4-ROOM OUTDOOR 2/2
V5
470NR-14D-204
4
1
3
2
3
FU2
AC250V
3.15A
R5
82
10W
2
3
4
MRM20B
MRM10B
MRM11B
3
4
MRB8
JP4
L2
60
H
L3
60
H
C9
AC250V
3.3
C10
AC250V
3.3
CT1
ETQ19Z60AM
5
4
TPCT2
TPCT1
3
1
D14
D16
D13
D15
D13 - 16
1SS133
C20
25V
47
R7
560
R8
1K
C21
25V
47
D17
1SS133
CT
S80
V8
AVR-S14D471K
3
2
MRD8
3
2
MRC/W8
3
2
8
DRIVE AMP.
2
1
3 4
9
5
7
10
R20
680
C17
470P
R21
1.4
1/2W
C15
50V
10
4
3
D4
RMPG06G
C16
2200P
D3
RMPG06G
R19
1.8K
R18
3.3K
D2
RMPG06G
R17
47
1/2W
C13
2KV
220P
IC1
STR-L472
R15
430K
1/2W
R16
430K
1/2W
D1
RPG10KE
C14
630V
0.1
D10
RMPG06G
0IS14B
PC817D/X4
1
2
D9
RMPG06G
C32
0.1
R32
1K
IC5
MM1431ATT
R31
1K
2W
C76
0.1
C31
25V
220
R33
9.76K
R34
6.8K
R35
3.3K
R136
1K
2W
R137
1K
2W
R138
1K
2W
D5
RMPG06G
D54
RMPG06G
C88
16V
100
P18V1
C18
25V
220
C86
0.1
O
G
I
IC2
TA7818SB
C87
0.1
D36
D1N58
C90
25V
220
TP17.5V
TP5VF
TP32
20
19
17
15
12
11
13
10
9
6
7
8
1
2
3
4
T1
D6
RMPG06G
D7
RMPG06G
C24
25V
470
R22
10K
D8
RMPG06G
R24
6.2
C29
35V
220
R23
10K
TP12V
P5V1
R25
5.6K
C25
25V
220
R26
1K
C26
0.1
O
G
I
IC4
AN7805FA
C30
25V
1
C27
0.1
D56
1SS133
C28
10V
100
TP5V
TP2
VIN
GND
GNDACT
TP15V
TP22
0IS14A
PC817D/X4
GNDP
D11
RMPG06G
C36
25V
100
C35
25V
100
C33
0.1
C34
0.1
PST+
PSTG
PST-
ST+
STG
ST-
C103
0.1
C55
100P
7
5
6
R62
1.13K
R63
1K
C58
0.1
C56
100P
R61
100
R59
6.8K
C54
0.1
C53
0.001
0IS11B
PC817A/B/C/D
R58
10K
0IS11A
PC817A/B/C/D
C64
0.001
1
4
8
C57
0.1
IC8A,B,C
LA8393M
R70
15K
4
3
1
2
FANOUT
C59
0.001
C12
400V
22
R6
51
5W
DB2
S1NB60
S71
C62
0.001
4
3
1
2
4
3
1
2
R67
3.3K
0IS9A
PC817B/X2
0IS9B
PC817B/X2
C61
0.001
FANIN
R65
20K
1/10W
R66
750
C60
25V
100
0IS10A
PC817C/D
0IS10B
PC817C/D
R64
1K
Q7
DTA114EKA
D34
1SS133
R69
330K
1/2W
R68
330K
1/2W
H1
H2
(YLW)
(BLU)
DBS25VB60
REACTOR
10
2 3 4 5 6 7 8 9
1
INV DREIVE CIRCUIT
2 3 4 5
1
CN11
L1
L2
P1
N1
P2
U
V
W
S104
C201
630V
R120
0.22
R201
10
1W
HIC7
C202
450V
500
C203
450V
500
C204
450V
500
FU201
AC250V
3A
75K
2W
75K
R121
2W
P2
R204
100
2W
C205
0.0033
P1
ECN2
N1
S70
S72
ELECTRONIC
CONTROLLER
POWER(INVETER)
ELECTRONIC
CONTROLLER
SUB
C210
630V
0.22
U
V
W
S34
PLV
L5
4
6
8
3
5
7
S52
LED-A
SLZ-3818-09
LED-1
SLZ-9818-09
LED-2
SLZ-9818-09
LED-3
SLZ-9818-09
LED-4
SLZ-9818-09
SW3
S0R-112HS
1
2
SW1
S0R-112HS
1
2
SW5
S0R-112HS
1
2
SW2
SSR-121MVB
TP205
1
3
2
S102
R103
560
TP203
R102
2.2K
TP202
R101
5.6K
TP201
R100
2.2K
4
*
SW4D
3
SW4C
2
SW4B
1
SW4A
SW1: FORCED OPERATION
ON/OFF SWITCH
SW2: FORCED COOLING/HEATING
CHANGOVER SWITCH
SW3: WRONG WIRING
CONNECTION CHECK SWITCH
SW4: PRIORITY ROOM
SETTING SWITCH
SW5: QUIET OPERATION
AT NIGHT SWITCH
TP200
S2
V7
AVR-S14D471K
V6
AVR-S14D471K
5V
17.5VACT
5VF
5V
15V
15V
15V
15V
5V
15V
15V
15V
5V
26
10
8
6
4
5
7
9
16
14
12
11
13
24
54
22
55
57
32
34
30
28
66
68
70
72
74
56
58
60
62
64
76
1
2
77
S51
MRM11A
D40
1SS133
FAN 0UT
FAN IN
VIN
CT
R72
200
R71
390
1/2W
MRDA
D41
1SS133
D39
1SS133
D38
1SS133
MRC/WA
MRM10A
D42
1SS133
MRM20A
MRBA
D37
1SS133
MR8
S40
C65
0.001
4
3
1
2
1
2
4
3
C66
0.01
0IS7A,B
PC817A/B/C/D
0IS7B
0IS7A
R94
2.4K
C72
330P
R78
10K
R96
3.6K
R95
7.5K
Q6
0IS6A
0IS6B
D48
1SS133
R97
1K
R98
10K
1/10W
4
3
1
2
R91
2.4K
C71
330P
R77
10K
R93
3.6K
R92
7.5K
Q5
0IS5B
D47
1SS133
4
3
1
2
R88
2.4K
C70
330P
R76
10K
R90
3.6K
R89
7.5K
Q4
0IS4B
D46
1SS133
4
3
1
2
R85
2.4K
C69
330P
R75
10K
R87
3.6K
R86
7.5K
Q3
0IS3B
D45
1SS133
4
3
1
2
R82
2.4K
C68
330P
R74
10K
R84
3.6K
R83
7.5K
Q2
0IS2B
D44
1SS133
4
3
1
2
R79
2.4K
C67
330P
R73
10K
R81
3.6K
R80
7.5K
Q1
0IS1B
D43
1SS133
0IS5A
0IS4A
0IS3A
S31
0IS2A
0IS1A
0IS1A,B
PC817A/B/C/D
Q1
2SC3052
D55
1SS133
S33
+5V
1
2
3
GND
LEVEL SIGNAL
POSITION DETECTION
4
7
10
8
11
6
17
U
19
V
21
W
12
+15V
13
N
14
-15V
STG
ST+
ST-
C79
16V
100
HIC2
HA6675
C80
16V
100
C81
16V
100
R99
3.6K
4
3
1
2
R118
10K
1/10W
0IS8B
PC817B/X2
0IS8A
PC817B/X2
R117
560
1/10W
C73
0.001
Q8
DTA114EKA
12V
5V
5V
5V
5V
5VF
12V
17.5VACT
0IS6A,B
PC817A/B/C/D
Q6
2SC3052
0IS5A,B
PC817A/B/C/D
Q5
2SC3052
0IS4A,B
PC817A/B/C/D
Q4
2SC3052
0IS3A,B
PC817A/B/C/D
Q3
2SC3052
0IS2A,B
PC817A/B/C/D
Q2
2SC3052
S32
S101
5V
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
1
2
3
4
1
4
7
10
1
3
5
7
9
8
1
2
3
4
5
6
7
8
9
CN14
5
4
3
2
1
1
2
3
4
5
8
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
1
4
7
10
7
4
3
2
1
1
2
3
4
5
8
U
V
W
N
2
1
FAN MOTOR
FM
1
2
3
4
1
2
3
4
CONNECTOR
(WHITE)
COMPRESSOR
DEFROST
SOLENOID
VALUE COIL
(2-WAYS)
REVERSING
SOLENOID
VALUE COIL
(4-WAYS)
OVERLOAD
PROTECTOR
(COMP)
5V
12V
1
2
3
IC8A
IC8B
IC8C
Compressor Drive U phase
Compressor Drive V phase
Compressor Drive W phase
Compressor Drive X phase
Compressor Drive Y phase
Compressor Drive Z phase
INTO(OCP)
Rotor Position Detection
Level Signal Input
PMW Output
DC Fan Output
DC Fan Input
Input Power Reception
OL/HPS
CT
VMRC/W
4WAY VALVE
MRD
MRM11
MRM20
MRM10
OL
LED-4 Drive
LED-3 Drive
LED-2 Drive
LED-1 Drive
LED-A Drive
Priority Room Setting
Wrong Wiring Checking
Forced Operation Switch
Quiet Operation at night
Forced Cooling/Heating Changeover
+12V
GND
GND
GND
POWER FACTOR CONTROL
CS-
ME7C
KPG
/
CS-ME
10CKP
G
/
CS-ME
12CKP
G
/
CS-ME
14CKP
G
/
CS-ME
18CKP
G
/
CU-2E
15CBP
G
/
CU-2E
18CBP
G
/
CU-3E
23CBP
G
/
C
U
-4E27C
BPG
110
Summary of CS-ME10CKPG
Page 1
1 features 3 2 about lead free solder (pbf) 3 2.1. Distinction of pbf p.C. Board 3 2.2. Caution 3 3 functions 4 3.1. Remote control 4 3.2. Indoor unit 5 3.3. Outdoor unit 7 4 product specifications 8 4.1. Product specifications 8 4.2. Approximate cooling and heating capacities 10 5 dimensions 12 © 2...
Page 2
8 wiring diagram 20 8.1. Indoor unit 20 8.2. Outdoor unit (cu-2e15cbpg/2e18cbpg) 21 8.3. Outdoor unit (cu-3e23cbpg/cu-4e27cbpg) 22 9 operation details (functions & protection) 23 9.1. Indoor unit operation 23 9.2. Outdoor unit operation (cu- 2e15cbpg/2e18cbpg) 41 9.3. Outdoor unit operation (cu-3e23...
Page 3: 1 Features
1 features · product − − − − a single outdoor unit enables air conditioning of up to four separate rooms − − − − inverter controlled for high energy efficiency and optimal comfort − − − − e - scroll compressor - guarding against global warning − − − − new refrigerant r410a is used for protecting ozo...
Page 4: 3 Functions
3 functions 3.1. Remote control 4 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 5
3.2. Indoor unit 5 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 6
6 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 7
3.3. Outdoor unit 7 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 8: 4 Product Specifications
4 product specifications 4.1. Product specifications 4.1.1. Indoor unit model name cs-me7ckpg cs-me10ckpg cs-me12ckpg cs-me14ckpg cs-me18ckpg type wall mounted wall mounted wall mounted wall mounted wall mounted power source single phase, 230v, 50hz (power supply from outdoor unit) air volume (hi) l...
Page 9
4.1.2. Outdoor unit model name cu-2e15cbpg cu-2e18cbpg cu-3e23cbpg cu-4e27cbpg indoor-units combination 2.2 kw + 2.2 kw 3.2 kw + 3.2 kw 2.8 kw + 3.2 kw + 4.0 kw 3.2 kw + 3.2 kw + 3.2 kw + 4.0 kw power source single phase , 230 v, 50 hz (power supply from outdoor unit) cooling operation capacity kw 4...
Page 10
4.2. Approximate cooling and heating capacities 10 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 11
11 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 12: 5 Dimensions
5 dimensions 5.1. Indoor unit (cs- me7ckpg/me10ckpg/me12ckpg/me14ckpg/me18ckpg) 12 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 13
5.2. Outdoor unit (cu-2e15cbpg/2e18cbpg) 13 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 14
5.3. Outdoor unit (cu-3e23cbpg) 14 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 15
5.4. Outdoor unit (cu-4e27cbpg) 15 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 16
6 refrigeration cycle diagram 6.1. Outdoor unit (cu-2e15cbpg/2e18cbpg) 16 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 17
6.2. Outdoor unit (cu-3e23cbpg/cu-4e27cbpg) 17 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 18: 7 Block Diagram
7 block diagram 7.1. Indoor unit 18 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 19
7.2. Outdoor unit (cu-2e15cbpg/2e18cbpg) 19 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 20: 8 Wiring Diagram
8 wiring diagram 8.1. Indoor unit 20 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 21
8.2. Outdoor unit (cu-2e15cbpg/2e18cbpg) 21 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 22
8.3. Outdoor unit (cu-3e23cbpg/cu-4e27cbpg) 22 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 23
9 operation details (functions & protection) 9.1. Indoor unit operation 9.1.1. Simultaneous operation control 1. Operation modes which can be selected using the remote control unit: automatic, cooling, dry, heating, fan operation mode. 2. Types of operations modes which can be performed simultaneous...
Page 24
9.1.2. Room temperature control (compressor control) the room temperature is adjusted by changing the compressor´s operation frequency in response to the difference between setting temperature of remote control unit and the room temperature (intake air temperature sensor). 9.1.2.1. Cooling operation...
Page 25
9.1.3. Airflow direction control the vertical airflow direction louver is controlled as shown in the table below in response to the operation of the remote control air swing button and the operating conditions. · when the air conditioner is operated using the remote control, the vertical airflow dir...
Page 26
9.1.4. Indoor fan control · depending on the airflow selector button setting of the remote control unit and the operating conditions, the operations for indoor fan control are as shown in the table below. · airflow control may be at variance from the airflow which has been set. 26 cs-me7ckpg / cs-me...
Page 27
27 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 28
9.1.4.1. Cooling operation 1. Automatic fan speed this air conditioner comes with a odour removing function. When operation starts or the thermostat is set on, the fan stops for 40 seconds. This is done in order to clean off the odour components which have accumulated on the heat exchanger using the...
Page 29
9.1.4.2. Dry mode operation 1. Basic fan speed in the cooling zone, the fan speed for cooling operations is used. When it reaches into the dry mode zone, operation is performed at the slo fan speed. 2. Automatic fan speed during the thermostat off period, a stop of 90 seconds and sslo operation for ...
Page 30
9.1.5. Automatic operation · the operation mode (cooling, dry or heating) is selected automatically. · the operation mode is first selected when operation starts and re-selected after each 3-hours period. The temperature, fan speed and airflow direction are set using the remote control. 9.1.5.1. Sel...
Page 31
· when the operation mode is changed over, the value for t1, t2 and t3 are shifted as follows: cooling/soft dry → heating: -2 °c heating → cooling/soft dry: +2 °c · when the indoor intake air temperature is lower than 16 °c, heating operation is immediately started. · when the outdoor air temperatur...
Page 32
2. Sleep mode operation during heating operation 9.1.7. Timer operation delay on/off timer · in accordance with the air-conditioning load, the preparatory operation is performed so that the setting temperature will be reached at the set time. The preparatory operation period is fixed as shown in the...
Page 33
9.1.8. Filter cleaning indicator · the blinking filter lamp warns the user that the air filter is dirty. When the air conditioner has operated for a total of 360 hours or so, this lamp blinks during cooling and heating operation and stop. · the blinking filter lamp is turned off by pressing the filt...
Page 34
9.1.9.2. Odour clear mode operation (off-season) · by conducting heating operations simultaneously in all the rooms for a short period of time, the odour components are removed, the insides of the indoor units are dried out, and the growth of mold is minimized. Odour clear control has two operation ...
Page 35
(2) odour clear mode operation (with timer setting) · the power lamp lights up if the air conditioner is operated before the odour clear operation, and it goes off if air conditioner has been stop. · operation is switched to odour removing control 50 minutes after the odour clear operation started. ...
Page 36
9.1.10. Auto restart control · if there is a power failure, operation will automatically be restarted when the power is resumed. It will start with the previous operation mode and airflow direction. (time delay safety control is valid) 1. Control start conditions the 24-hour timer must not be set. T...
Page 37
9.1.11. Other indoor unit operation functions · auto button proceed with operation when the air conditioner is stopped. (when the auto button is pressed during operation, the air conditioner is stopped.) 1. Emergency operation press the auto button and release it within 5 seconds to perform emergenc...
Page 38
Setting the air conditioner unit to “b” 1. Press the “auto” button for about 11 to 15 seconds. When you hear three short beeps “pep, pep, pep”, release the button. Note: you will hear one beep “pep” in about 5 seconds, and then two beeps “pep, pep” in about 8 seconds. 2. Press again the “auto” butto...
Page 39
9.1.12. Self diagnosis display the diagnostic displays that appear when trouble has occurred can be checked using the remote control unit. When trouble occurs, operation is stopped automatically, and the timer lamp blinks. The diagnosis time has been reduced by warning the user by means of the blink...
Page 40
9.1.12.1. Error cord diagnostic display abnormality or protection control works h 11 indoor/outdoor abnormal communication h 12 indoor unit capacity unmatched h 14 intake air temp.Sensor h 16 outdoor current transformer h 19 indoor fan motor mechanism lock h 23 indoor heat exchanger temp.Sensor h 27...
Page 41
9.2. Outdoor unit operation (cu-2e15cbpg/2e18cbpg) 9.2.1. Compressor operation frequent 9.2.1.1. Cooling, dry and heating operations · the compressor operation frequency is determined by room temperature, capacity rank algebra and model code algebra. 1. When operation is started after the air condit...
Page 42
9.2.3. Protection control 9.2.3.1. Time delay safety control · the compressor does not restart for 3 minutes after stop of compressor. 9.2.3.2. Total running current control 1. When the air conditioner has been operated at the capacity designated by the indoor unit and the total running current exce...
Page 43
9.2.3.5. Over load protection control (cooling . Dry mode) · cooling over load protection control 1. When the temperature of the outdoor unit heat exchanger exceeds 52 °c during a cooling or dehumidifying operation, the compressor frequency is restricted, and when it exceeds 62 °c, the compressor is...
Page 44
9.2.3.7. 4-way valve failure protection control (cooling/heating switching errors) · during a cooling operation 1. If the temperature of the indoor unit heat exchanger exceeds 45 °c 4 minutes after the compressor started, the compressor is stop. (it restarts 3 minutes later → time delay safety contr...
Page 45
9.2.4. Abnormal wiring or piping connection checking control 1. Objective to check for abnormal wiring or piping connections during a cooling operation after the air conditioner has been installed. 2. Detection subjects heat exchanger temperature of indoor unit which is not operating, and outdoor un...
Page 46
9.3. Outdoor unit operation (cu-3e23cbpg/cu-4e27cbpg) 9.3.1. Room temperature control 9.3.1.1. Cooling, dry and heating operations concerning cu-3e23cbpg and cu-4e27cbpg compressor frequency control 1. Immediately after the compressor has started up during an ongoing operation, the initial frequency...
Page 47
9.3.3. Forced cooling operation control · forced cooling operations can be performed by the outdoor unit. 1. Set the operation mode setting switch (sw2) to cool. 2. The forced cooling operation is performed when the forced operation switch (sw1) is pressed. * the forced cooling operation stops when ...
Page 48
The useful wiring error check function automatically corrects wiring errors using a microcomputer. In cases where wires are embedded or the locations of connecting wires are not known for other reasons, for instance, pressing the wiring error check switch inside the right side panel of the outdoor u...
Page 49: (General Information)
10 installation and servicing air conditioner using r410a (general information) 10.1. Outline 10.1.1. About r410a refrigerant 1. Converting air conditioners to r410a since it was declared in1974 that chlorofluorocarbons (cfc), hydro chlorofluorocarbons (hcfc) and other substances pose a destructive ...
Page 50
D. R410a refrigerating machine oil conventionally, mineral oil or a synthetic oil such as alkylbenzene has been used for r22 refrigerating machine oil. Because of the poor compatibility between r410a and conventional oils like mineral oil, however, there is a tendency for the refrigerating machine o...
Page 51
10.2.2. R410a tools 1. Cooper tube gauge for clearance adjustment (used when flaring with the conventional flaring tool (clutch type)) · this gauge makes it easy to set the clearance for the copper tube to 1.0-1.5 mm from the clamp bar of the flaring tool. 2. Flaring tool (clutch type) · in the r410...
Page 52
5. Charging hose · the pressure resistance of the charging hose has been raised to match the higher pressure of r410a. The hose material has also been changed to suit hfc use, and the size of the fitting has been changed to match the manifold ports. 6. Vacuum pump adaptor · when using a vacuum pump ...
Page 53
8. Electronic scale for refrigerant charging · because of the high pressure and fast vaporizing speed of r410a, the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is done using the charging cylinder method, causing bubbles to form in the measurement scale gla...
Page 54
10.3. Refrigerant piping work when working with refrigerant piping, the following points must be carefully observed: no moisture od dust must be allowed to enter the piping, and there must be no refrigerant leaks. 1. Procedure and precautions for flaring work a. Cut the pipe use a pipe cutter, and c...
Page 55
2. Procedure and precautions for flare connection table 11 r410a flaring dimensions nominal diameter outside diameter (mm) wall thickness (mm) a (mm) r410a flaring tool, clutch type conventional flaring tool clutch type wing-nut type 1/4 6.35 0.8 0 - 0.5 1.0 - 1.5 1.5 - 2.0 3/8 9.52 0.8 0 - 0.5 1.0 ...
Page 56
Precautions · be sure to read the instructions for the vacuum pump, vacuum pump adaptor and manifold gauge prior to use, and follow the instructions carefully. · make sure that the vacuum pump is filled with oil up to the designated line on the oil gauge. · the gas pressure back flow prevention valv...
Page 57
10.4.2. Transferring (using new refrigerant piping) 1. Removing the unit a. Collecting the refrigerant into the outdoor unit by pumping down the refrigerant can be collected into the outdoor unit (pumping down) by pressing the test run button, even when the temperature of the room is low. · check to...
Page 58
5. Set the refrigerant cylinder onto the electronic scale, then correct the hose the cylinder and to the connection port for the electronic scale. (1)(2) precaution: be sure to set up the cylinder for liquid charging. If you use a cylinder equipped with a siphon tube, you can charge the liquid witho...
Page 59
10.4.6. Brazing as brazing requires sophisticated techniques and experiences, it must be performed by a qualified person. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to proceed with brazing while letting dry nitrogen gas (n2) flow. 1. Attach...
Page 60
11.1.2. The shapes of the 3-way valve caps of the outdoor unit have been changed. · accompanying the changes in the shapes of the 3-way valve caps, the tightening method has also been changed. · firmly tighten the 3-way valve caps by hand, and then tighten them up by another 30 degrees or so (one-tw...
Page 61
11.2. Outdoor unit (cu-3e23cbpg) 11.2.1. Check points 61 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 62
11.3. Outdoor unit (cu-4e27cbpg) 11.3.1. Check points 11.3.2. The pipe diameter for the 4.0 kw or above models has been reduced. · 1/4” and 3/8” pipes are used for models with a rated cooling capacity of up to 5.0 kw. · applicable connecting tube kit: cz-3f type. 62 cs-me7ckpg / cs-me10ckpg / cs-me1...
Page 63
11.4. Piping length (in case of cu-2e15cbpg) 63 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 64
12 installation instruction 12.1. Indoor unit required tools for installation works safety precautions warning this indication shows the possibility of causing death or serious injury. Caution this indication shows the possibility of causing injury or damage to properties only. The items to be follo...
Page 65
1 2 6 3 4 5 7 8 indoor unit installation diagram no. No. Accessories part accessories part qty. Qty. Attached accessories. Applicable piping kit cz-3f5, 7aen 1 6 1 1 1 1 2 2 installation plate installation plate fixing screw remote control battery air purifying filter remote control holder remote co...
Page 66
200 mm 120 mm 210 mm 150 mm more than 440 mm more than 425 mm wall wall measuring tape installation plate screw ˇ bushing for tube ass'y 15 mm outdoor indoor wall sleeve for tube ass'y ø70 through hole putty or caulking compound approx. 5 - 7 mm 2 3 caution 1. Insert the piping sleeve to the hole. 2...
Page 67
78 cm cable : centre of the piping hole (left rear side of piping) 4 pull out the piping and drain hose 1. For the right rear piping pull out the indoor piping install the indoor unit secure the indoor unit insert the connecting cable 2. For the right and right bottom piping pull out the indoor pipi...
Page 68
1 2 3 terminals on the indoor unit 1 2 3 color of wires terminals on the outdoor unit 1 2 3 5 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...
Page 69
Open the below operations will be performed by pressing the “auto” switch. 1. Auto operation mode 1. The auto operation will be activated immediately once the auto switch is pressed. 2. Test run operation (for pump down/servicing purpose) the test run operation will be activated if the auto switch i...
Page 70
12.2. Outdoor unit (cu-2e15cbpg/2e18cbpg) indoor/outdoor unit installation diagram piping direction attention not to bend up drain hose right right bottom right rear left rear left bottom left (front side) • this illustration is for explanation purposes only. The indoor unit will actually face a dif...
Page 71
Connect the piping 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3. Please make flare after inserting the flare nut onto the cop...
Page 72
Control board control board cover power supply cord indoor unit a indoor unit b 5 6 connect the cable to the outdoor unit pipe insulation when installing an air conditioner, be sure to evacuate the air insidethe indoor unit and pipes in the following procedure. 4 evacuation of the equipment (for eur...
Page 73
12.3. Outdoor unit (cu-3e23cbpg/cu-4e27cbpg) accessories supplied with the outdoor unit: cu-3e23cbpg cu-4e27cbpg accessories supplied with the outdoor unit: cannot be installed hanging from ceiling or stacked. Note outdoor unit 1) choose a place solid enough to bear the weight and vibration of the u...
Page 74
Do not connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in order to add another indoor unit later. Make sure no dirt or moisture gets into either side of the embedded branch piping. See “6 refrigerant piping work” for detai...
Page 75
Outdoor unit installation guidelines where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below. For any of the below installation patterns, the wall height on the exhaust side should be 1200 mm or less. Selecting a location fo...
Page 76
Outdoor unit 1 installing outdoor unit when installing the outdoor unit, refer to “precautions for selecting the location” and the “indoor/outdoor unit installation drawings.” if drain work is necessary, follow the procedures below. 2 drain work (cu-3e23cbpg) use drain plug for drainage. If the drai...
Page 77
Purging air and checking gas leakage if using additional refrigerant, perform air purging from the refrigerant pipes and indoor unit using a vacuum pump, then charge additional refrigerant. Use a hexagonal wrench (4 mm) to operate the shut-off valve rod. All refrigerant pipe joints should be tighten...
Page 78
Wiring do not turn on the safety breaker until all work is completed. (1) strip the insulation from the wire (20 mm). (2) connect the connection wires between the indoor and outdoor units so that the terminal numbers match. Tighten the terminal screws securely. We recommend a flathead screwdriver be...
Page 79
Before starting the test run, measure the voltage at the primary side of the safety breaker. Check that it is 230v. Check that all liquid and gas shut-off valves are fully open. Check that piping and wiring all match. The wiring error check can be conveniently used for underground wiring and other w...
Page 80: 13 Servicing Information
13 servicing information 13.1. Troubleshooting 13.1.1. Rated frequency operation during troubleshooting and servicing, rated compressor operating frequency must be obtained in order to check the specification and technical data. Below are the methods used to obtain rated compressor operating frequen...
Page 81
81 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 82
13.2. Self diagnosis display 13.2.1. Indoor unit [table of diagnosis methods] symbol diagnosis diagnosis method h11 indoor/outdoor abnormal communication this trouble display appears when indoor/outdoor unit communication fails to be established after 30 or more seconds. 1. Measure the voltages of t...
Page 83
Symbol diagnosis diagnosis method h30 outdoor discharge pipe temp. Sensor cu-2e: this trouble display appears when a temperature of under approximately -16 °c or above approximately 200 °c has been detected by the outlet temperature sensor for 2 to 5 seconds. Cu-3e/4e: disconnected discharge sensor ...
Page 84
Symbol diagnosis diagnosis method h99 indoor operating unit freezing the restriction on the compressor frequency is started when the indoor unit heat exchanger temperature is between 8 °c and 12 °c. Operation stops if a temperature below 0 °c continues for 6 minutes. Three minutes later, operation i...
Page 85
Symbol diagnosis diagnosis method f93 compressor abnormal revolution cu-2e: when the rotation of the compressor is not synchronized with the control signal, the f93 diagnostic display is stored in the memory, and operation stops. 3 minutes later, operation is restarted. This trouble display appears ...
Page 86
Symbol diagnosis diagnosis method f99 dc peak detection cu-2e: if the current level exceeds 22.5a after startup, the compressor stops, and it is restarted 3 minutes later. When this occurs on 7 consecutive occasions, operation stops, and the trouble display appears. Cu-3e/4e: when "output current tr...
Page 87
13.2.2. Outdoor unit (cu-3e23cbpg/4e27cbpg) 87 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 88
13.3. Disassembly of parts 13.3.1. Indoor unit 1. Remove the control box cover (steel plate). 2. Remove the display p.C. Board (plastic). 3. Disconnect the connectors, rearrange the lead wires, and remove the discharge grille. 4. Remove the ground screw. 5. Disconnect the connectors of the fan motor...
Page 89
6. Remove the control board complete. 7. Remove the screw at the particular plate (heat exchanger clamp) on the left of the unit. 8. Remove the screw that fix the heat exchanger to the base pan. 89 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e...
Page 90
9. Remove the four screws that fix the fan motor cover (white), and release the hooks. 10. Hold down the hook of the heat exchanger using a screwdriver or other tool and remove the heat exchanger (while lifting 1, 2). Now remove the fan motor cover. 90 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me1...
Page 91
11. Remove the screw that fix the fan, and then remove the fan motor. 12. Remove the cross-flow fan, and then remove the flucrum. 91 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 92
13.3.2. Outdoor unit (cu-2e15cbpg/2e18cbpg) 13.3.2.1. Removing the cabinet top plate and cabinet front plate 1. Remove the cabinet top plate (by removing the 4 screws). 2. Remove the 5 screws fixing the cabinet front plate, release the 6 hooks, and pull the cabinet front plate toward front side. 13....
Page 93
13.3.2.3. Removing the control p.C. Board 6. Remove the control board cover. 7. Remove the 6 screws at the positions on the control p.C. Board indicated by the arrows. 8. Disconnect the connectors and pipe sensor connected to the compressor and reactor. 9. Remove the control p.C. Board. * when pulli...
Page 94
13.3.3. Outdoor unit (cu-3e23cbpg/cu-4e27cbpg) 13.3.3.1. Removing the cabinet top plate and cabinet front plate ■ ■ ■ ■ cu-3e23cbpg 1. Remove the cabinet top plate (remove the 4 screws). 2. Remove the 3 screws (1 on the right and 2 at the bottom) securing the cabinet front plate, release the 2 hooks...
Page 95
13.3.3.2. Remove the control board cover (right side plate for cu-4e27cbpg) ■ ■ ■ ■ cu-3e23cbpg 3. Remove the control board cover (remove 2 screw). ■ ■ ■ ■ cu-4e27cbpg 3. Remove the 5 screws and release the 2 hooks of the right side plate, and remove the side plate. 95 cs-me7ckpg / cs-me10ckpg / cs-...
Page 96
13.3.3.3. Removing the control p.C. Board 4. Remove the drip proof cover. 5. Disconnect the connectors (lead wires of the compressor, sensor, and others). 6. Remove the screw at the right side of the control box, and pull out the entire control box. 7. Release the control p.C. Board tab to remove th...
Page 97: 14 Technical Data
14 technical data 14.1. Operation characteristics 97 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 98
98 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 99
99 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 100
100 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 101
101 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 102
102 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cbpg / cu-4e27cbpg.
Page 103
15 electronic circuit diagram 15.1. Remote control a b c d e f g h 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 seg6 seg5 seg4 seg3 seg2 seg1 com3 com...
Page 104
15.2. Indoor unit a b c d e f g h 1 2 3 4 5 6 7 8 9 10 11 12 5v 5v 5v pipe temp sensor (20k ,b=3950) display cwa742894 c33 250v 2200p fuse 250v 3.15a d1 era15-06v5 r1 6.8k 2w r67 6.2k 2w 5v zd1 rd36eb1 zd2 rd36eb1 r10 1.21k znr1 erzveav511 r7 510k 1/4w r8 510k 1/4w d2 era15-06v5 d3 1ss355 r9 3.9k r5...
Page 105
Function 24 hours off/on timer cooling fc max hot start forced completion hot start forced completion after deice auto mode judgment sampling time sleep mode timer shift thermo off timer 7 min. 0 time test mode 1 hour 1 min. 30 min. 3 sec. Indoor 3 min. 18 sec. 180 min. 30 sec. 60 min. 120 min. 180 ...
Page 106
15.3. Outdoor unit (cu-2e15cbpg/2e18cbpg) a b c d e f g h 1 2 3 4 5 6 7 8 9 10 11 12 2-room outdoor 1/3 5v 5v 10 11 12 13 14 15 brown ry-pwr terminal ac-blk fuse 20.0a fuse 5.0a xba2c50tr0 black ac-wht white power terminal to indoor unit a coil coil 2t 3t coil 2t to indoor unit b room-a terminal roo...
Page 107
A b c d e f g h 13 14 15 16 17 18 19 20 21 22 23 24 2-room outdoor 2/3 r106 232k 1/4w reactor gry2 gray gry1 gray 1 2 3 4 ljp101 a67c4053 ljp102 jp13 jp12 jp1 1 jp10 a67c4053 ljp104 a67c4056 ljp105 a67c4054 ljp107 a67c4055 ljp103 a67c4056 2 1 3 4 r411 10k r410 100 3 4 8 2 1 r409 1.8k c406 0.82 c407 ...
Page 108
Pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 port no. Description p16 t06 rxd txd si so sck reset vdd x2 x1 vss ic(vpp) p90 p91 p92 p93 p94 p95 p40 p41 p42 p43 p44 p45 p46 p47 p50 p51 p52 p53 p54 vss p55 p56 p57 p60 p61 p62 p6...
Page 109
15.4. Outdoor unit (cu-3e23cbpg/cu-4e27cbpg) a b c d e f g h 1 2 3 4 5 6 7 8 9 10 11 12 3, 4-room outdoor 1/2 r49 33k ac230v 50hz l n jp101 fu1 ac250v 30a l101 50 h sa1 hs hr he 8 6 2 4 3 1 e (grn/ylw) ecn1 (grn) (red) ac1 (blk) ac2 s15 0is15a pc814a/x1 jp5 jp1 r44 91k 2w r43 1k 1 2 4 3 0is15b pc814...
Page 110
A b c d e f g h 13 14 15 16 17 18 19 20 21 22 23 24 3, 4-room outdoor 2/2 v5 470nr-14d-204 4 1 3 2 3 fu2 ac250v 3.15a r5 82 10w 2 3 4 mrm20b mrm10b mrm11b 3 4 mrb8 jp4 l2 60 h l3 60 h c9 ac250v 3.3 c10 ac250v 3.3 ct1 etq19z60am 5 4 tpct2 tpct1 3 1 d14 d16 d13 d15 d13 - 16 1ss133 c20 25v 47 r7 560 r8...
Page 111
16 exploded view & replacement parts list 16.1. Cs-me7ckpg/me10ckpg/me12ckpg/me14ckpg/me18ckpg 16.1.1. Exploded view 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. 111 cs-me7ckpg / cs-me10ckpg / cs...
Page 112
16.1.2. Replacement parts list ref. No. Part name & description q’ty part no. Remarks cs-me7ckpg cs-me10ckpg cs-me12ckpg cs-me14ckpg cs-me18ckpg 1 terminal board complete 1 cwa28k1045 ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ● ● ● ● 2 sensor complete (pipe) 1 cwa50c2101 ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ● ● ● ...
Page 113
16.2. Cu-2e15cbpg/2e18cbpg 16.2.1. Exploded view 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. 113 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / ...
Page 114
16.2.2. Replacement parts list ref. No. Part name & description q’ty part no. Remarks cu-2e15cbpg cu-2e18cbpg 1 terminal board complete (3p) 1 cwa28k1045 ← ← ← ← ● ● ● ● 2 terminal board complete (4p) 2 cwa28k1046 ← ← ← ← ● ● ● ● 3 valve coil 1 cwa43c2112 cwa43c2086 ● ● ● ● 4 expansion valve coil 2 ...
Page 115
Ref. No. Part name & description q’ty part no. Remarks cu-2e15cbpg cu-2e18cbpg 67 flare nut (1/4) 2 cwt25086 ← ← ← ← 68 flare nut (3/8) 2 cwt25087 ← ← ← ← 69 multi bend tube-1 1 cwt332957 ← ← ← ← 70 multi bend tube-2 1 cwt332958 ← ← ← ← 71 multi bend tube-3 1 cwt333298 ← ← ← ← 72 tube assy-8 1 cwt02...
Page 116
16.3. Cu-3e23cbpg 16.3.1. Exploded view 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. 116 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cb...
Page 117
16.3.2. Replacement parts list ref. No. Part name & description q’ty part no. Remarks 1 swing compressor 1 cw1266081 ● ● ● ● 2 vibration isolator 3 cw1289899 3 nut with washer 3 cwh56062 4 terminal cover 1 cw1262647 5 rubber bush, lead wire 1 cwh51260 6 retainer, over-load relay 1 cw380620 7 sound i...
Page 118
Ref. No. Part name & description q’ty part no. Remarks 85 motorized exp. V coil, ass’y 1 cw1313350 ● ● ● ● 87 coil, motorized exp. Valve 1 cw1305234 88 coil, motorized exp. Valve 1 cw1305241 89 coil, motorized exp. Valve 1 cw1305210 90 thermistor ass’y (liquid line) 1 cw1309438 ● ● ● ● 91 thermistor...
Page 119
16.4. Cu-4e27cbpg 16.4.1. Exploded view 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. 119 cs-me7ckpg / cs-me10ckpg / cs-me12ckpg / cs-me14ckpg / cs-me18ckpg / cu-2e15cbpg / cu-2e18cbpg / cu-3e23cb...
Page 120
16.4.2. Replacement parts list ref. No. Part name & description q’ty part no. Remarks 1 swing compressor 1 cw1266081 ● ● ● ● 2 spring 3 cw390208 3 nut with washer 3 cwh56062 4 terminal cover 1 cw1262647 5 guard bush, power cord 1 cw354120 6 retainer, over-load relay 1 cw380620 7 spring holder (1) 3 ...
Page 121
Ref. No. Part name & description q’ty part no. Remarks 76 power transistor module 1 cw1289921 ● ● ● ● 77 thermistor ass’y 1 cw1296633 ● ● ● ● 81 coil, solenoid valve ass’y 1 cw1364310 ● ● ● ● 82 coil, solenoid valve 1 cw1296378 ● ● ● ● 83 coil, four way valve 1 cw1176304 85 reactor 1 cw1305955 86 wi...