Wiring Diagram Wpl 47 - STIEBEL ELTRON WPL 47 Operation And Installation Manual

iNSTALLATiON
Specification

19.2 Wiring diagram WPL 47

A2 Integral heat pump control unit (IWS)
A3 Fan auxiliary PCB/Expansion valves (ZPLE)
B1 Heat pump flow temperature sensor - KTY
B2 Heat pump return temperature sensor - KTY
B5 Hot gas temperature sensor - KTY
B6 Intake air temperature sensor - Pt1000
B7 Temperature sensor, compressor intake – PT 1000
B8 Evaporator discharge temperature sensor – Pt1000
B9 Frost protection temperature sensor – KTY
B10 Temperature sensor, injection – PT 1000
E2 Oil sump heater
E3 Ribbon heater
F2 High pressure switch
F8 Motor overload relay
F9 Fan fuse
F10 Temperature limiter, starting resistor
K1.1 Safety contactor
K1 Contactor - resistance start
K2 Compressor start contactor
M1 Motor, compressor
M6 Fan motor
M7 Electrical expansion valve stepper motor
M8 Electrical injection valve stepper motor
N2 Defrost differential pressure switch
P1 High pressure sensor
20 | WPL 47 | WPL 57
X4
1 2 3 4 5 6
X32
X31
1 2
Y1
E3 E2
2
3
N2
P3 Low pressure sensor
R1, R2, R3 Starting resistors
X1 Terminals
X2 Low voltage terminal strip
X3 Mains terminal
X4 Terminal, control
X29 12-pole IWS connector - control unit
X30 3-pole IWS connector - bus
X31 Oil sump heater terminal
X32 Earth support point
X33 5-pole IWS plug - electrical expansion valve
X34 7-pole IWS connector - sensors
X35 6-pole IWS connector - temperature sensors
X36 3-pole IWS connector - fan
X37 5-pole IWS plug - electrical injection valve
X38 3-pole IWS plug - DHC
X39 Pressure sensor terminal
X40 Ground temperature sensor terminal
X41 Expansion valve terminal
X60 2-pin ZPLE plug - supply voltage
X61 2-pin ZPLE plug - ground
X62 3-pin ZPLE plug - fan input
X63 3-pin ZPLE plug - fan output
X64 3-pin ZPLE plug - fan output
Y1 Diverter valve
A3/X60
X1
1
2
3
4
5
6
7
F10
8
>T
9
K2
A2 A1
K1
A2 A1
K1.1
A2 A1
2 1 4 3
T1 M2
> u
T2 M1
F8
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H L
X2
1 2 3
X29 X36
1 3
2
2
1
3
X35
4 6
5
5
4
6
3
7
2
1
8
X30
9
3
10
2
1
11
X34
12
7
X38 6
5
1
4
A2
2
3
3
2
1
X33
5
4
3
2
1
X37
M8
M
F2
+
4