Baxi Potterton 105E manual Operating the Boiler, OFF Position Central Heating or Hot Water

6	7	8	9	10	11
30°	40°	50°	60°	70°	80°

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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
	30° 40° 50° 60° 70° 80°		OFF
				2
		ON	1	3
			0	4
				bar

On/Off/Reset

Selector Switch

3.0Operating 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).

OFF Position			Position (i)
		(Central Heating or Hot Water)
Fig. 6
	Fig. 7

Fig. 8	Position (ii)
	(Hot Water)

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