Mains Connection Pcb - Vaillant flexoTHERM exclusive VWF 57/4 Installation And Maintenance Instructions Manual

8 Electrical installation
8.5

Mains connection PCB

Note
The total current consumption of all connected external consumers (including X141, X143, X144, X145) must not
exceed 2.4 A.
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1 [X102] Mains connection for internal auxiliary electric
heating
2 [X143] Well pump
3 [X120] Optional 230 V supply for protection anode
4 [X145] External auxiliary heating
5 [F1] F1 T 4A/250 V fuse (protects 230 V loads on
mains connection PCB)
6 Protective earth connection for the electronics box
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Installation and maintenance instructions flexoTHERM exclusive 0020213395_00
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[X101] Mains connection for compressor and 230
V electronics system – mains connection PCB (TB)
and controller PCB (HMU)
[X1A] 230 V supply for controller PCB
[X144] External 3-way valve
[X105] Connection for compressor with in-rush cur-
rent limiter
LED safety switch for compressor
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