INsTALLATIoN
Electrical connection
WPE
| 17
ENGL
IS
H
Low voltage
X3.1
CAN A
+
-
L
H
+
-
L
H
CAN (connection for WPM heat pump man-
ager)
X3.2
CAN B
+
-
L
H
+
-
L
H
CAN (connection for programming unit and
remote control)
X3.3
1
2
signal
Earth
X3.4
1
2
signal
Earth
swimming pool sensor, primary
X3.5
1
2
signal
Earth
swimming pool sensor, secondary
X3.6
1
2
signal
Earth
Heating circuit sensor 4
X3.7
1
2
signal
Earth
Heating circuit sensor 5
X3.8
1
2
signal
Earth
DHW cylinder 2 sensor
X3.9
1
2
signal
Earth
Differential sensor 1.1 / thermostat sensor 1
X3.10
1
2
signal
Earth
Differential sensor 1.2
X3.11
1
2
signal
Earth
Differential sensor 2.1 / thermostat sensor 2
X3.12
1
2
signal
Earth
Differential sensor 2.2
X3.13
1
2
3
signal
Earth
signal
Not assigned
X3.14
+
IN
Uncontrolled
12 V
Input
GND
Analogue input 1 / 0-10 V
X3.15
+
IN
Uncontrolled
12 V
Input
GND
Analogue input 2 / 0-10 V
X3.16
1
2
signal
Earth
PWM output 3
X3.17
1
2
signal
Earth
PWM output 4
X3.18
CAN B
+
-
L
H
+
-
L
H
CAN (connection for programming unit and
remote control)
X3.19
CAN A
+
-
L
H
+
-
L
H
CAN (connection for WPM heat pump man-
ager)
Mains voltage
X4.1
L
L
N
N
L
L
N
N
PE
PE
Power supply
X4.2
L’
L* (pumps L)
L' (power sup-
ply utility input)
L* (pumps L)
swimming pool input
L* (pumps L)
X4.3
L
N
PE
L
N
PE
Heating circuit pump 4
X4.4
L
N
PE
L
N
PE
Heating circuit pump 5
X4.5
L
N
PE
L
N
PE
DHW charging pump 2
X4.6
L
N
PE
L
N
PE
Buffer charging pump 3
X4.7
L
N
PE
L
N
PE
Buffer charging pump 4
X4.8
L
N
PE
L
N
PE
Buffer charging pump 5
X4.9
L
N
PE
L
N
PE
Buffer charging pump 6
X4.10
L
N
PE
L
N
PE
output differential controller 1 /
thermostat 1
X4.11
L
N
PE
L
N
PE
output differential controller 2 /
thermostat 2
X4.12
L
N
PE
L
N
PE
Pool pump, primary
X4.13
L
N
PE
L
N
PE
Pool pump, secondary
X4.14
5
N
PE
6
Mixer oPEN
N
PE
Mixer CLosE
Heating circuit mixer 4
X4.15
5
N
PE
6
Mixer oPEN
N
PE
Mixer CLosE
Heating circuit mixer 5
