STIEBEL ELTRON WPMW II - 4.8 Connection array WPMW II

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4.8 Connection array WPMW II
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
N
PE
X5
X1
X2
X4
X3
The connection array of the WPMW II has been designed in accordance with current safety standards into LV and mains voltage areas. All cables/
leads are routed through the ducts and secured in the wall mounting housing with the red wedges supplied. Make all connections in accordance with
the WPMW II designations.
FE 7
Wedge
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
External Flow Return DHW 2nd HS Source Mixer Pulse 1 3 Bus H Bus L Bus – Bus + Sensor 1 Sensor 2
Mains N Mains L ESC L‘ Pumps L Buffer 1 Buffer 2 Source Heat 1 Heat 2 DHW DHW Circ 2. HS 2. HS Mixer + Mixer – Solar
X1 Mains voltage area
1 N
2 L
3 L‘ ESC enable signal
4 Pumps L (voltage input for relay outputs)
5-6 Buffer loading pumps
7 Source pump
8-9 Heating circuit pumps
10 DHW loading pump
11 DHW circulation pump
12-13 Second Heat source
14 Mixer OPEN
15 Mixer CLOSE
16 Solar heating pump
X2 LV area
1 Outside temperature sensor
2 Sensor HP flow temperature
3 Sensor HP return temperature
4 Sensor DHW temperature
5 Sensor second heat source
6 Sensor heat source temperature
7 Sensor mixer flow temperature
8 Heat meter pulse input
9 Terminal 1 of the FE 7 remote control
10 Terminal 3 of the FE 7 remote control
11-13 BUS high, low and ground
14 „+“ (only connected in accordance with the “DCOactiv” controller )
15 Rotary selector for heat metering
DHW cylinder bottom for solar heating connection
16 Flow sensor for heat metering
Collector sensor for solar heating connection
X3 Earth
X4 N
X5 PE