35
8. Wiring Connection Diagram
8.1 Indoor Unit
BL
BL
BL
R
R
BR
BR
B
B
W
CN-RCV2
(WHT)
CN-V2
(WHT)
CN-V3
(GRN)
CN-THERMO
(WHT)
7
11
1
2-WAY
VALVE
ROOM
THERMOSTAT
EXTERNAL
CONTROL
1
CN-FLOW
(YLW)
CN-REMOTE2
(WHT)
FLOW
SWITCH
1
R
R
B
B
Y
BL
SW1 SW2
BL
BL
BR
BL
W
2
1
2
895
6
74321
1
11
TO OUTDOOR UNIT
ELECTRONIC CONTROLLER
(MAIN)
WATER
PUMP
WATER
PIPING
CONTROL
BOARD
7
77
6
22
5
33
4
44
1
6
4
1
G
G
t
t
t
t
t
WW
OPEN
CLOSE
N
LN
HEAT
COOL
TERMINAL
BOARD
TERMINAL
BOARD
3WAY
VALVE
WATER OUTLET TEMP. SENSOR (THERMISTOR)
REFRIGERANT TEMP. SENSOR (THERMISTOR)
WATER INLET TEMP. SENSOR (THERMISTOR)
33
3
55
1
35
33
11
LEAD WIRE FIXING FOR OLP
BLUE
BLUE
BLACK
BLACK
3
2
GROUNDING
GROUNDING
1
AC1-L3
(BLK)
1
3
T2
(BLK)
T1
(BLK)
AC1-N
(WHT)
TRANSFORMER
CN-T1
(WHT)
R
RBL
W
W
W
W
BL
DATA
(RED)
G04
(GRN)
RY-HT
(L3)
HT1-L3
(RED)
AC2-L3
(BLK)
AC2-N2
(WHT)
SURGE
PROTECTION
CIRCUIT
SIGNAL DETECTION
CIRCUIT
SIGNAL
DETECTION
CIRCUIT
80±3°C
CN-OLP1
(WHT)
2
B
B
TERMINAL BOARD
TERMINAL
BOARD
BACKUP
HEATER
(3kW)
R
OLP
80±3°C
BL
R
BL
BL
BL
W
(L
1
)
(N
1
)
W
W
GROUNDING
ELCB
T3
G
11
2
2
A
B
R
BR
O
BL
Y
CONTROL
PANEL
G01
(GRN)
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
CN-TH3
(WHT)
CN-TH2
(WHT)
CN-TH1
(WHT)
1
2
HEX WATER OUTLET TEMP. SENSOR
(THERMISTOR)
TANK TEMP. SENSOR
(THERMISTOR)
L2
(WHT)
L1
(WHT)
2
1
1
2
REACTOR
OLP
G05
(GRN)
G07
(GRN)
CN-PUMP2
(WHT)
G08
(GRN)
FUSE1
T6.3A L250V
NOISE FILTER
CIRCUIT
NOISE
FILTER
CIRCUIT
G
G
G
COMMUNICATION
CIRCUIT
WATER
PUMP
CIRCUIT
RY-V2
RY-V3
BL
BR
B
M
1
M
BL
R
W
POWER SUPPLY 1
Single phase AC230V 50Hz
POWER SUPPLY 2
Single phase AC230V 50Hz
(L)
(N)
BL
W
ELCB
230V 30A
I n=30mA
LEAD WIRE FIXING FOR HEATER
WHITE
RED
230V 30A
I n=30mA
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