Operating Boiler - Baxi COMBI 105 HE User Operating Instructions Manual

6 7 8 9 10
o o o o o
30 40 50 60 70
Power On
Neon
Fig. 5
Domestic
Central
Hot Water
Heating Neon
Neon
30 o 40 o 50 o 60 o 70 o 80
Reset
On/Off/Reset
Selector Switch
Reset
OFF Position
Fig. 6
6
© Baxi Heating UK Ltd 2007
11
o
80
Burner On
Neon
Fig. 4
o
Reset
Position (i)
(Central Heating or Hot Water)
Fig. 7
Reset
Position (ii)
Fig. 8
(Hot Water)
3.0 Operating the Boiler
3.1
1. Ensure that the electricity and gas supplies are turned
on. Check that the central heating pressure is between 0.5
and 1.0 bar (Fig. 4).
2. Turn the On/Off/Reset selector switch either anti-
clockwise from the off position (Fig. 6) to both central
heating and domestic hot water or clockwise to domestic
hot water only.
3. In either position the green power on indicator
(
4. Position (i) In this position the central heating will
operate according to demand or provide domestic hot
water when a tap or shower is turned on (Fig. 7). Priority
is given to domestic hot water. The central heating/hot
water neon (
2
will illuminate as the temperature rises.
5. Position (ii) In this position hot water will be provided
bar
when a tap or shower is turned on (Fig. 8). The hot water
neon (
Central Heating System
Pressure Gauge
6. The boiler will light automatically on demand.
7. The orange burner on neon (
the boiler is operating and the main burner is on (Fig. 5).
IMPORTANT: When the selector switch is in the '0'
(Off) position the electrical supply to the boiler is
isolated. The boiler will not operate and the integral
timer (if fitted) will require resetting once the
selector switch is set to either Position (i) or
Position (ii).
Operating the Boiler
) will illuminate (Fig. 5).
) will illuminate (Fig. 5). Neons 6 to 11
) will illuminate (Fig. 5).
) will illuminate when