3
Installation
B Switch off the central heating boiler.
B Remove faulty time switch and unplug from the plug-in contact
(g) of the thermostat.
B Plug new time switch onto the plug-in contact (g) of the ther-
mostat.
B Insert timer in the thermostat and engage.
B Switch on boiler.
6 720 617 296 (2008/05)
Installation
13