Electrical Installation; Radio Receiver Unit Fitted In The Boiler - Vaillant VRT 350f Installation Manual

7. Fix the unit mounting bracket (1) to the wall using the
screws supplied.
8. Locate the two bottom lugs of the finishing panel (3) in
the holes in the unit mounting bracket.
9. Press the top edge of the finishing panel into the unit
mounting bracket until it clicks into position.
C
B
10. Open the battery compartment on the underside of the
control.
11. Remove the two plastic strips between the batteries
and the contacts.
12. Check that the battery poles are the right way round.
13. Close the battery compartment.
12
14.
15.
16.
5
When connecting the eBUS line, there is no need to pay at-
tention to the polarity. If the two connections are switched
around, communication is not affected.
5.1
If you fit the radio receiver unit in the boiler, the electrical
A
connections are made by contact between the controller's pin
header connector and the mating connection on the boiler.
Wiring up the radio receiver unit is only required if you have
mounted it on a wall.
Hook the control onto the unit mounting bracket.
Press the control down onto the unit mounting bracket
until it audibly clicks into position.
Check the quality of the radio link.

Electrical installation

Note
Only qualified electricians may carry out the elec-
trical installation.

Radio receiver unit fitted in the boiler

Installation instructions 0020131978_02