Electrical connection
13
Wiring Diagram ( 12K / 15K )
CN
4
CN
6
CN17
CN8
CN
36
CN614
CN27
CN 14
CN 13
CN16-N
CN16-L
CN21-L
CN21-N
CN19-N
CN19-L
CN5
CN15
CN23
CN24
LP
EXP
ANSION
V
AL
VE
OUTDOOR
MAIN PCB
5
5
CN22
CN 6
CN 8
CN
4
CN
5
CN
27
T
1
PCB2
L-IN
T
2
T
3
T
4
COM
NO
COM
NO
COM
NO
CN 1
CN 2
CN 3
N-IN
S
CN
14
CN
15
3WV
7
8
1
3
2
4
5
6
A1
A2
WCP
4
FEED
RETURN
WTT
EHI / WF
ROOM
WCP
2
N
F2
[
15A
]
F1
[
15A
]
F3
[
15A
]
EH 2
EH 1
EH 3
SB
HDO
BROWN
BLACK
RED
BLUE
BLACK
BLACK
BROWN
BLACK
BLUE
BLUE
BLACK
BROWN
BLACK
BLACK
BLUE/WHITE
BLACK
WHITE
BLACK
BROWN
BLUE
WTP1
WTP2
RE
CT
AC
BLACK
BLACK
BLUE
BLUE
RED
BLUE
BLUE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLUE
BLACK
4WV
PO
PQ
EV
W
U
V
BLACK
WHITE
RED
CSP
CFDT
WHITE
CN 25
CN 26
K1
L1
L2
L3
K1
Air
Break
S
witch
AC
A
C
C
o
n
ta
ct
o
r
SB
Switch
B
oard
CM
Compressor
PCB
Circuit
Board
3WV
3 W
a
y Va
lv
e
4WV
4 W
a
y Va
lv
e
WCP
W
a
te
r
Circulating
P
ump
WCP2
W
a
te
r
Circulating
P
ump
2
CT
Common
T
erminal
RE
R
e
la
y f
o
r 3 W
a
y Va
lv
e
EH
1
Electrical
Heater
1
EH
2
EH
3
Electrical
Heater
2
Electrical
H
eater
3
EV
E
le
ct
ro
n
ic
E
xp
a
n
si
o
n Va
lv
e
EHI/WF
E
le
ct
ri
c H
e
a
te
r
In
te
rr
u
p
to
r / W
a
te
r F
lo
w S
w
it
ch
CFDT
C
o
m
p
re
ss
o
r
Stop
For
P
rotection
LP
Low
P
ressure
S
witch
CSP
HDO
E
xternal
Signal
Controls
H
e
a
t P
u
m
p S
ta
rt a
n
d S
to
p
WTT
ROOM
PO
FEED
RETURN
W
a
te
r T
a
n
k
Temperature
S
ensor
R
o
o
m
Te
mperature
S
ensor
A
m
b
ie
n
t
Temperature
S
ensor
W
a
ter
Feed
Te
mperature
Sensor
W
a
ter
R
eturn
Temperature
S
ensor
WTP1
W
ater
T
emperature
Thermostat
(
40
°C)
GWCP2
G
round
W
ater
Circulating
Pump
2
PQ
E
xh
a
u
st
Te
mperature
Sensor
Compressor
F
requency
Decrease
F
or
P
rotection
WTP2
W
a
ter
T
emperature
Thermostat
(
70
°C)
CN10
RED
CN1
1
CN12
CN13
RED
YELLOW
PTC
CAP
WHITE
BLUE
60uf
CN2
CN6
CN16
CN15
CN4
CN120
RED
WHITE
BLACK
L1
4
5
1
2
3
A
B
C
N
A
C
B
BLACK
CN
11
BLACK
RED
RED
BROWN
T
5
T
6
GWIT
GWOT
GWCP
2
N
CN 7
GWCP
WHITE
BLUE
BLACK
BLUE
GWCP
G
round
W
ater
Circulating
Pump
GWIT
Ground
W
ater
Inlet
Temperature
Sensor
Ground
W
ater
O
utlet
Temperature
S
ensor
GWOT
