Baxi Potterton 105 HE, 80 HE manual Operating the Boiler, Reset

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

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Power On			1	3
Neon		Burner On
		Neon
			0	4
Fig. 5				bar
	Domestic
		Central
	Hot Water
	Neon	Heating Neon	Fig. 4	Central Heating System
				Pressure Gauge
			PREHEAT
	30o 40o 50o 60o 70o 80o		OFF
				2
Reset		ON	1	3
			0	4
				bar

On/Off/Reset

Selector Switch

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.

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)

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