Baxi Potterton 105 HE operating instructions Operating the Boiler, Reset

6	7	8	9	10	11
30o	40o	50o	60o	70o	80o

Power On

1

2

3

3.0 Operating the Boiler

3.1Operating the Boiler

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

() will illuminate (Fig. 5).

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 ( ) will illuminate (Fig. 5). Neons 6 to 11 will illuminate as the temperature rises.

Neon		Burner On
		Neon
Fig. 5	Domestic
		Central
	Hot Water
	Neon	Heating Neon

30o 40o 50o 60o 70o 80o

Reset

On/Off/Reset

Selector Switch

0	4
	bar

Fig. 4	Central Heating System
	Pressure Gauge

5.Position (ii) In this position hot water will be provided

when a tap or shower is turned on (Fig. 8). The hot water neon ( ) will illuminate (Fig. 5).

6.The boiler will light automatically on demand.

7.The orange burner on neon ( ) will illuminate when 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).

Reset Reset

OFF Position Position (i)

(Central Heating or Hot Water)

Fig. 6 Fig. 7

Reset

Fig. 8	Position (ii)
	(Hot Water)

6© Baxi Heating UK Ltd 2007