2001
22
P
+
-
R
OVERRIDE
12:31
x
x
4
P
AUTO
AUTO
I
O
Flame viewing
opening
C.H. pressure
gauge
C.H. boiler
thermostat
Fault diagnostic lights
Domestic hot water thermostat
Time clock
Flame
failure
reset knob
8.5
To Light the Boiler (fig. 21)
a. Open controls panel door.
b. Switch on electricity supply.
c. Adjust room thermostat and all external controls to «ON». Check operation of pump.
d. Turn the boiler thermostat to maximum. Fan will run (A waiting time of max 3 minutes before fan will run is possible!), and
main burner will light.
e. Temporarily turn off by switching off electricity supply.
Important Note: If the burner stops for C.H. only after a waiting time of 3 minutes will the boiler will light again!
fig. 21
C.H./D.H.W. selector switch
Condensate hose
Outside
compensation
adjustment screw