HP
LP
T3
T7
T2
T6
T1
T4
G02Q0867
LP
HP
IN3
IN2
IN1
T5
OUT7
OUT3
OUT4
OUT5
OUT2
OUT1
OUT8
OUT6
U
W
V
CM
N
U
V
W
CN-RAT1
CN-RAT2
N
N
P1
CN3
MF
CN4
1
3 4 5 6
Vm GND Vcc Vsp PG
J/V
CN8
CN2
GND B
T8
IN-IN
A
YEL GRN GND
OFF
SW1-4
ON
AC MF
DC MF
ON
1
2
3 4
DIP
SW1
AC-N
L N
220~240V 2N ~50Hz
EGND
N
AC-L
P1 P2
OUT1
N
GND
GND
YEL
IN-IN
GRN
J/V
J/V
MODBUS
PCB T8
PCB CN2
GND
YEL
IN-IN
GRN
MODBUS
PCB T8
PCB CN2
PCB
LP
HP
T5
T1
T6
T2
T7
T4
OUT5
OUT2
OUT1
OUT7
OUT3
OUT4
OUT6
U
W
V
CM
J/V
G02Q0870
N
U
V
W
CN-RAT1
CN-RAT2
HP
LP
IN2
IN3
IN4
L
N
N
P1
RY2
E-VAL1
MF
CN4
1
3 4 5 6
Vm GND Vcc Vsp PG
T1
T3
T3
CN2
AC-N
L N
220~240V 2N ~50Hz
EGND
N
P1 P2
RT2
N
GND
J/V
J/V
CN8
GND B
T8
IN-IN
A
YEL GRN GND
OFF
SW1-1
ON
ON
1
2
3 4
DIP
SW1
AC MF
DC MF
PCB
IVTP-1M-LT
IVTP-2M-LT
IVTP-3M-LT
IVTP-4M-LT
IVTP-5M-LT IVTP-6M-LT
ON/OFF
ON/OFF
15
CIRCUIT DIAGRAMS
Reactor
Terminal strip 2:
Terminal
strip 2
Terminal strip 2
Towards the pump (≤1kW)
Dry contact
Heating resistance of the evaporator
Heating resistance of the compressor
Reducer
Flow detector
Wired controller
Compr
es
sor aspir
ation
temp
. sensor
Ev
apor
ator temp
. sensor
Ambient temp
. sensor
Compr
es
sor outle
t temp
.
sensor
W
ater outle
t temp
.
sensor
W
ater inle
t temp
. sensor
High-pressure pressure switch
Low-pressure pressure switch
4-WAY VALVE
YELLOW YELLOW
YELLOW YELLOW
RED
BROWN
ORANGE
BLUE
RED BLACK BROWN
RED BLACK BROWN
COMPRESSOR
FAN MOTOR
COMPRESSOR
Terminal
strip 2
Terminal strip 2
Terminal strip 1
Towards the pump (≤1kW)
Dry contact
Heating resistance of the evaporator
Heating resistance of the compressor
Reducer
Flow detector
Wired controller
W
ater outle
t temp
.
sensor
W
ater inle
t temp
.
sensor
Compr
es
sor
aspir
ation temp
.
sensor
Ev
apor
ator temp
.
sensor
Ambient temp
. sensor
Compr
es
sor outle
t
temp
. sensor
High-pressure pressure switch
Low-pressure pressure switch
4-WAY VALVE
RED
BROWN
ORANGE
BLUE
Reactor
FAN MOTOR
Terminal strip 1