Vaillant timeSWITCH 140 Instrucciones De Uso Y De Instalacion página 26

8 Installation
3
Fig. 8.1 Installing the timer
Key
1 Installation recess in the electronic box
2 Timer
3 Cover
24
• Switch off the boiler.
1
• Disconnect the appliance from the
mains supply.
2
• Remove the cover (3) from the elec-
tronic box.
• Align the five contact pins on the rear
of the timer (2) with the contacts in
i F P
the installation recess (1).
• Push the timer carefully into the
installation recess until it clicks into
place.
Operating and installation manual timeSWITCH 140 two-channel timer with week programme / 838312_03