Stiebel Eltron WPE Installation page 17

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