Vaillant geoTHERM SERIES, Руководство по установке, Страница: 50 / 132

Electrical installation
50
Installation instructions geoTHERM 0020051574_04
7
>
Connect the standard rate electricity supply to the
reduced rate mains supply (
1 ).
>
Connect the contact of the control system signal receiver
to terminal 13 “EVU” (energy supplier) (
¬
Fig. 7.18 ).
7.3.3 Connecting the external heating circuit
pump
L3 L2 L1 N PE L3 L2 L1 N PE 1 2 N PE S S L N PE L3 N
PE L2 L1 L3 N
L N PE
U
max
= 230V
I
max
= 2 A
1
7.7 Connecting the external heating circuit pump VWS
L3 L2 L1 N PE L3 L2 L1 N PE L3 L2 L1 N PE L N PE L N PE L3 N
PE L2 L1 L3 N
U
max
= 230V
I
max
= 2 A
1
7.8 Connecting the external heating circuit pump VWW
Key
Pump (heating circuit pump)
>
Connect the external, heating circuit pump (to be fitted
on-site) with I
max
= 2 A and U
max
= 230 V 1 . If these values
are exceeded, install a relay/circuit breaker that is to be
fitted on-site and switch the pump using this.