Vaillant geoTHERM Installation Instructions

Electrical installation
52 Installation instructions geoTHERM 0020051574_04
7
7.3.5 Connecting the external electric auxiliary
heater (optional)
1 2 N PELNPE
SS
LNPEL3N
PE L2 L1L3N
L3 L2 L1NPEL3 L2 L1NPE
400 V
3 x 13 A
2
400 V
50 Hz
1
7.10 Connecting the external electric auxiliary heater (optional)
VWS
L3 L2 L1N PELNPELNPEL3N
PE L2 L1L3N
L3 L2 L1NPEL3 L2 L1NPE
400 V
3 x 13 A
2
400 V
50 Hz
1
7.11 Connecting the external electric auxiliary heater (optional)
VWW
Key
Electric auxiliary heating
You can choose to connect an external electric auxiliary
heater (to be fitted on-site) to the heating boost function in
emergency operation .
a
Caution!
Risk of damage from overload.
The maximum output of the electric auxil-
iary heater must not exceed 3 x 3 kW (3 x
13 A).
> Protect the electric auxiliary heater
using a safety thermostat (to be fitted
on-site) that does not automatically reset
and has all poles disconnected.
> Connect the electricity supply for the electric auxiliary
heater (1).
> Connect the electric auxiliary heater yourself (2).

Vaillant geoTHERM Specifications

General

Brand	Vaillant
Model	geoTHERM
Category	Heat Pump
Language	English