STIEBEL ELTRON WPE - Page 17

INSTALLATION
Electrical connection
WPE | 17
ENGLISH
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