Datasheet
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
(WHITE)
IC4
FAN MOTOR
45671
BL
WH
FM
B
Y
R
RY-C
Q1
PS21245-AT
Low Voltage
Power Supply
LP
L
L
P
P
13
CN-DIS
(WHITE)
TEST
ELECTRONIC CONTROL
UNIT
13
CN-TH3
(YELLOW)
13
2
4
CN-TH2
(YELLOW)
1324
CN-TH1
(WHITE)
COMMUNICATION
CIRCUIT
1324561324
1
3
2
4
12V
1
3
2
4
1
3
2
4
1
3
2
4WH
WH
WH
WH
WH
WH
WH
WH
56
CN-EV2
(YELLOW)
CN-EV1
(WHITE)
(UNIT B)
COIL COMP.
(UNIT A)
COIL COMP.
230/50Hz
SINGLE PHASE
TO INDOOR UNIT B.TO INDOOR UNIT A.
WHWH
BL
R
BL
WH
COIL
COIL
EXP.
VALVE
SENSOR
DIS. PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
PIPE TEMP.
SENSOR
S. COND TEMP.
SENSOR
AIR TEMP.
PN
GR
BL
Y
R
OR
EXP.
VALVE
GR
BL
Y
R
OR
RY-HOT
BLBL
HOT 2
(BLACK)
HOT1
(BLACK)
CT
RY - AC
RY - PWR
PTC2
PTC3
GRY1
(GRAY)
FM1
(RED)
FG1
(GREEN)
CN - DC
(WHITE)
AC2
(BLACK)
AC1
(BLACK)
DATA2
(BROWN)
CONNECTOR
(WHITE)
BL
BL
BL
BL
CONNECTOR
(BLACK)
AC-BLK
(BLACK)
AC-WHT
(WHITE)
DATA1
(RED)
GRY2
(GRAY)
GR
REACTOR COIL COMP.
( 4 -WAY VALV 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
123123LN
ELECTRONIC CONTROL
UNIT
FUSE T 3.15A
L 250 V
AC1
(BLACK)
AC2
(BLACK)
CN - DC
(WHITE)
12V
5V 5V
12V
12V
5V
5V
5V
120
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
RESISTANCE (kΩ)
TEMPERATURE (kΩ)
-10 0102030405060
1
3
2
4
1. Outdoor air temp.
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
T
i
m
e
First deice operation time
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
60 min
45 sec
10 min 30 sec
59 sec
40 min
80 min
120 min
30 sec
60 sec
3 min
DC peak detection after compressor restart 3 min
6
s
e
c
4.5 sec
63 sec
5.9 sec
8 sec
16 sec
24 sec
0
0
1.8 sec
0