Installation Instructions - Vaillant time SWITCH 120 Instrucciones De Uso Instrucciones De Montaje

6 Installation instructions

All electrical work shall be undertaken by a com-
petent person and shall comply with BS 7671
(IEE Regulations).
Turn off the boiler.
Isolate the electrical supply to the boiler
Open control panel. (it fitted)
Lower electronic control box by turning
securing screws 90° an lowering fascia
panel.
6 Installation instructions
Release the time clock blanking plate from
control box by pushing in the retaining clip
and pulling the blanking plate from the control
box.
Raise and secure the control box into position.
Locate the four pins on the rear of the
programmer and gently push the programmer
until it locks into position.
Recommission the boiler.
GB
33