Vaillant VRT 340f Operating Guide
26
Installation instructions VRT 340f
or by heat sources such as radiators,
chimney walls, televisions and direct
sunlight. All the radiator valves in the
room where the thermostat is installed
must be fully open.
chimney walls, televisions and direct
sunlight. All the radiator valves in the
room where the thermostat is installed
must be fully open.
9.2
Fitting the receiver
The connection of the receiver with the
heating unit is by a plug connector
having four connections.
• Remove the blanking plate (1) in the
heating unit is by a plug connector
having four connections.
• Remove the blanking plate (1) in the
front of the switchgear cabinet and
insert the receiver (2) into the chute
which is revealed so that the pins on
the back of the upper section fit into
the receptacles.
insert the receiver (2) into the chute
which is revealed so that the pins on
the back of the upper section fit into
the receptacles.
• Push the receiver into the chute until
it clicks in position.
bar
bar
2
1
3
0
VRC-VCC
-2
-3
VRC-VCC
-2
-3
2
1
Fig. 9.1 Heating unit and fitting the receiver in
the switchgear box
8 Safety instructions and regulations, 9 Installation