Testing the system
If the central heating times were controlled by a programmer or timer (external or integrated
into the boiler) and these are still wired into the system, these must be left switched to On
or Continuous.
The room containing the Thermostat must not have a Thermostat Radiator Valve (TRV) fitted
to the radiator(s). If this is the case, this must be removed.
Restore power to the circuit, the Thermostat screen should be illuminated.
Press the 'CH MODE' key until the CH Selector hovers over Man.
Press the '/\' key until the temperature is above the room temperature.
You should see a flame icon appear and hear the relay click within the unit. Check that the
boiler has fired up and any zone valves have moved to their appropriate positions.
Press the 'CH MODE' key again. You should hear the relay click off, the flame icon will go
out and boiler should no longer be on (please allow a few minutes for the boiler to switch
off).
Please leave this installation manual with the user.
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