Vaillant geoTHERM Installation Instructions Manual page 46

7 Electrical installation
15
14
13
12
11
10
9
8
7.2 Electric switchbox VWS and VWW 380/2 - 460/2
Key
1 Strain relief clamps
2 Electricity supply connection terminals
3 In-rush current limiter
4 LEDs: green = voltage supply, yellow = compressor motor,
red = fault display
5 In-rush current limiter spare fuse
6 Compressor protector contactor
7 Protection for external electrical auxiliary heater
8 VWW only: Control button for well pump overcurrent
46
A1 A2 A1 A2 A1 A2
L1 L2 L3 L1 L2 L3 L1 L2 L3
T1 T2 T3 T1 T2 T3 T1 T2 T3
7 6
A1
PE
A1 A2 A1 A2 A1 A2
L1 L2 L3
L1 L2 L3 L1 L2 L3 L1 L2 L3
T1 T2 T3
T1 T2 T3 T1 T2 T3 T1 T2 T3
A1 A2
PE
L1 L2 L3
T1 T2 T3
5
A2
9 VWW only: thermal overcurrent relay
10 VWW only: Well pump control contactor
11 VWW only: Well pump protector contactor with overcurrent
relay (motor protection)
12 VWS only: control contactor, brine pump
13 (VWS only) Protector contactor, brine pump
14 Controller PCB
15 Connection strip for sensors and external components
Installation instructions geoTHERM 0020051574_04
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