22
380V
N
P
E
L
1
L
2
L3
powe
r s
upply
380-4
2
0V
T
R
S
RAT1 RAT1
Rea
c
to
r
Wat
er
flow
OUT
8
OU
T
7
OU
T
6
O
UT
5
OUT
4
OUT
3
OUT
2
OU
T
1
T1
T2
T3
Hot water temp.
T4
T5
T6
T7
T8
l
inkag
e
N
L
EGND
OUT
1
3
OU
T
12
OUT
10
OUT
9
T9
T10
T11
OUT
11
COM
IN5
IN4
IN3
IN2
IN1
A
B
Hot water valve
SW1
E
-VAL
3
E-VA
L
2
E-VA
L
1
VCC
PWM
GND
FG
GN
D
PH
PL
Auxiliary electric
expansion valve
CN3
CN2
CN1
COM
CN17
CN18
OF
F
Hot water
ON
SW
1-1
ON
S
W1-2
S
W1-3
S
W1-4
Fa
n
1
Fan2
+5V
GND
OUT
Low press
ure
sensor
+5V
GND
OUT
AC-L
AC-N
PE
Dc fan 1 port
Dc fan 2 port
Crankcase heater
Four-way valve
Pump
Hotwater
Electric heater
Floor heating
Electric heater
Water outlet temp.
Inlet gas temp.
Water inlet temp
.
Outlet gas
temp
.
Ambient Air temp
.
Red
Black
Blue
H
igh
t pressur
e
se
nsor
Dial switc
h
Ho
t w
at
er
O
FF
R
un
ni
n
g
indicator
l
ig
ht
Main electric
expansion valve
Red
Black
Blue
Progr
amm
in
g
po
rt
R
(V)
C
(U)
S
(W)
Co
mp
re
ssor
U
V
W
D
LT
-ZKB
P-0
2
A/C
L
inka
ge
T
R
S
NO COM
Floor heating valve
Chassis heater
P
has
e
sequen
ce
Phase f
ailu
re
protecto
r
RD
BK
Air HE coil
Cooling
li
nka
ge
He
ati
n
g
li
nka
ge
CN485
A
B
GND
Operation
panel
WiFi
module
Water flow
COM
Linkage
COM
Floor heating valve
Hot water valve
Pump
PWM signal
Electric heater
N
N
1 N
2 N
3
4 N
5
F 6
F
7
N
KM1
M
2
20
-2
40
V
220-240
V
Dry
contac
t
Pump
P
W
M
M
220-240
V
Voltage: 380V
～
420V/50Hz or 60 Hz/3Ph
Wiring diagram
