STIEBEL ELTRON WPM 3

www.stiebel-eltron.com WPM 3| 31
INSTALLATION
Installation
Connection array WPMW 3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
N
PE
X5
X1
X2
X4
X3
Mains N Mains L PS L' Pumps L Buffer 1 Buffer 2 Source Heat 1 Heat 2 DHW DHW circ. HS2 HS2 Mixer + Mixer – Solar/cooling
Outside Flow Return DHW HS2 Source Mixer
PWM impulse 1 3 BUS H BUS L BUS – BUS + Sensor 1 Sensor 2
FE 7
1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
26�03�01�0243
1 Wedge
X1 Power supply voltage
1
2
3
4
5 - 6
7
8 - 9
10
11
12 - 13
14
15
16
N
L
L' Power supply utility enable signal
Pumps L (voltage input for relay outputs)
Buffer cylinder charging pumps
Source pump
Heating circuit pumps
DHW charging pump
DHW circulation pump
Heat source 2
Mixer open
Mixer close
Solar circuit pump / cooling output
X2 Low voltage
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Sensor outside temperature
Sensor, heat pump flow temperature
Sensor, heat pump return temperature
Sensor, DHW temperature
Sensor, heat source 2
Sensor heat source temperature
Sensor, mixer flow temperature
PWM output
Terminal 1 of the FE7 remote control
Terminal 3 of the FE7 remote control
BUS high
BUS Low
BUS Earth "–"
BUS "+"
DHW sensor bottom, in the case of solar connection
Flow sensor, in the case of cooling
Collector sensor, in the case of solar connection
X3 Earth
X4 N
X5 PE