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17
8.2 Outdoor
Unit
8.2.1 CU-2E15GBE
FUSE T 3.15 A
L 250 V
W
Y
V
B
R
Y
B
TRADE MARK
R
THE
P
ARENTHESIZE
D
LETTERS IS INDIC
A
TED
ON TERMINA
L COVER
.
COMP
. TERMINA
L
REMARKS
B: BLUE
BL: BLACK
BR: BROWN
G: GREEN
R: RED
WH: WHITE
Y
: YELLO
W
GR: GRA
Y
OR: ORANGE
COMPRESSER
U
CN-FM1 (WHIT
E
)
FA
N
M
O
T
O
R
45
6
7
1
BL
WH
FM
B
Y
R
RY
-C
L
P
L
L
P
P
13
CN-DIS (WHIT
E
)
ELECTRONIC CONTROL
UNIT
13
CN-TH3 (YELLOW)
13
24
CN-TH2 (YELLOW)
13
24
CN-TH1 (WHIT
E
)
13
24
5
6
13
24
1
3 2
4
1
3 2
4
1
3 2
4
1
3 2
4W
H
WH WH WH
WH WH WH WH
56
CN-EV2 (YELLOW)
CN-EV1 (WHIT
E
)
(UNIT
B)
COIL
COMP
.
(UNIT
A)
COIL
COMP
.
230/
50Hz
SINGLE PHASE
T
O
INDOOR UNIT
B.
T
O
INDOOR UNIT
A.
WH
WH
BL
R
BL
WH
EX
P.
VA
LV
E
SENSOR
DIS. PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
S. COND TEMP.
SENSOR
AIR TEMP.
P
N
B
GR
BL
Y
R
OR
EX
P.
VA
LV
E
B
GR
BL
Y
R
OR
RY
-H
O
T
BL
BL
HO
T
2
(B
LA
C
K
)
HO
T1
(B
LA
C
K
)
CT
RY
-
A
C
RY
- P
W
R
PT
C
2
PT
C
3
GR
Y
1
(G
R
AY
)
FM
1
(R
E
D
)
FG
1
(G
R
E
E
N
)
CN -
D
C
(WH
IT
E
)
AC
2
(B
LA
C
K
)
AC
1
(B
LA
C
K
)
DA
TA
2
(B
R
O
WN
)
CO
NNE
C
TO
R
(WH
IT
E
)
BL
BL
BL
BL
CO
NNE
C
TO
R
(B
LA
C
K
)
AC
-B
LK
(B
LA
C
K
)
AC
-W
H
T
(W
H
IT
E
)
DA
TA
1
(R
E
D
)
GR
Y
2
(G
R
AY
)
GR
RE
A
C
TO
R
C
O
IL
CO
M
P.
(4
-W
AY
VA
LV
E
)
CONNECTOR
(YELLOW)
GR
R
G
G
TERMINAL
TERMINAL
TERMINAL
BR
BL
FUSE 20.0A
FUSE
T 5
.0A
L 250
V
BL
BL
Y / G
12
3
12
3
LN
EL
ECTRONI
C
CONTROL
UNI
T
FU
S
E
T 3.15
A
L 250
V
AC1 (B
LA
C
K
)
AC2 (B
LA
C
K
)
CN -
DC
(WH
IT
E
)
Resistance of compressor windings
CONNECTI
O
N
C
WHB090001
0.
642
Ω
0.
636
Ω
0.
652
Ω
R - B
R - Y
B -
Y
18
9. Electronic Circuit Diagram
9.1 Indoor
Unit
9.1.1 CS-E7GKEW,
CS-E9GKEW, CS-E12GKEW, CS-E15GKEW
CS-E7GKDW, CS-E9GKDW, CS-E12GKEW, CS-E15GKEW
19
9.1.2 CS-E18GKEW,
CS-E18GKDW
20
9.2 Outdoor
Unit
9.2.1 CU-2E15GBE
FUSE T 3.15 A
L 250 V
W
Y
V
B
R
COIL COIL
COMPRESSER
U
CN-
FM1
(W
H
ITE
)
IC4
FA
N
M
O
T
O
R
45
6
7
1
BL
WH
FM
B
Y
R
RY
-C
Q1
PS21245-A
T
Low
V
oltag
e
Power Supply
L
P
L
L
P
P
13
CN-DIS (W
HITE
)
T
EST
ELECTRONIC CONTROL
UNIT
13
CN-T
H
3
(Y
E
LLOW
)
13
2
4
CN-T
H
2
(Y
E
LLOW
)
13
24
CN-T
H
1
(W
HITE
)
COMMUNICATION
CIRCUIT
13
24
5
6
13
24
1
3 2
4
12V
1
3 2
4
1
3 2
4
1
3 2
4W
H
WH WH WH
WH WH WH WH
56
CN-EV2 (Y
E
LLOW
)
CN-EV1 (W
HITE
)
(UNI
T
B
)
COIL
COM
P.
(UNIT
A
)
COI
L COM
P.
230/50Hz
SINGLE PHASE
T
O
INDOOR UNI
T
B.
T
O
INDOOR UNI
T
A
.
WH
WH
BL
R
BL
WH
COIL
COIL
EXP
.
VA
LV
E
SENSOR
DIS. PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
S. COND TEMP.
SENSOR
AIR TEMP.
P
N
GR
BL
Y
R
OR
EXP
.
VA
LV
E
GR
BL
Y
R
OR
RY
-H
O
T
BL
BL
HO
T
2
(B
LA
C
K
)
HO
T1
(B
LA
C
K
)
CT
RY -
AC
RY -
P
W
R
PT
C
2
PT
C
3
GR
Y1
(G
R
AY
)
FM
1
(R
E
D
)
FG
1
(G
R
E
E
N
)
CN
- D
C
(WH
IT
E
)
AC
2
(B
LA
C
K
)
AC
1
(B
LA
C
K
)
DA
TA
2
(B
R
O
WN
)
CO
NN
E
C
TO
R
(WH
IT
E
)
BL
BL
BL
BL
CO
NN
E
C
TO
R
(B
LA
C
K
)
AC
-B
LK
(B
LA
C
K
)
AC
-W
H
T
(WH
IT
E
)
DA
TA
1
(R
E
D
)
GR
Y
2
(G
R
AY
)
GR
RE
A
C
TO
R
C
O
IL
C
O
M
P.
(4
-W
AY
VA
LV
E
)
CONNECTOR
(YELLOW)
GR
R
G
G
TERMINAL
TERMINAL
TERMINAL
BR
BL
FUSE 20.0A
FU
S
E
T 5.0
A
L 250
V
BL
BL
Y / G
12
3
12
3
LN
ELECT
R
ONIC CONT
ROL
UNIT
FUS
E
T 3.15
A
L 250
V
AC1 (B
LA
CK
)
AC2 (B
LA
CK
)
CN - DC (W
HITE
)
12V
5V
5V
12V
12V
5V
5V
5V
120
115
110
105
100
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0
RESIS
TANCE (
kΩ
)
TEMPERATURE (kΩ)
-10
0
10
20
30
40
50 60
1
3
2
4
1. Outdoor air temp.
2. Pipe temp. A, B
3. Heat exchanger temperature
4. Discharge temperature
2. Pipe temp. A, B
3. Heat exchanger temperature
4. Discharge temperature
CN-S
• The unit turn to the Rated Frequency Cooling Operation by short-circuiting
CN-S after applying power between the terminal 1 and 2.
• Operation of the compressor and the outdoor fan motor can be checked by
applying power short-circuiting CN-S.
Outdoor
Function
Time
First deice operation time
Deice operation starting time
Deice forced completion
Deice operation completion
Deice detection
Deice operation starting time
Deice forced completion
Deice operation completion
Deice detection
Compressor forced operation time
Compressor operation frequency step up
Deice operation starting 3°C
Compressor operation frequency step up
Deice operation starting 3°C
60 min
45 sec
45 sec
10 min 30 sec
59 sec
40 min
80 min
40 min
80 min
120 min
30 sec
60 sec
60 sec
3 min
DC peak detection after compressor restart
3 min
6 sec
4.5 sec
63 sec
5.9 sec
8 sec
16 sec
24 sec
24 sec
0
0
0
1.8 sec
0
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