Baxi Potterton LPG Service Manual download pdf (Page 31)

10.0 Installation

10.7 Making The Electrical Connections

The boiler is fitted with a 1.3m length of 3 core of cable.

This can be connected to the fused 3A 230V 50H

Z supply.

NOTE: Both the Live and Neutral connections are fused.

To connect an external control proceed as follows:-

1. Slacken the facia panel securing screws and lift the

outercase panel so that its securing tabs are clear of the

facia. Remove the panel.

2. Completely undo the screws securing the facia panel and

hinge it down (Fig. 46).

3. Undo the terminal block cover securing screw and

remove the cover (Fig. 46).

4. Slacken the unused cable clamp on the LH side of the

boiler chassis (Fig. 47). Insert the external control wiring

through the clamp and route it to the terminal block.

5. Refer to the instructions supplied with the control.

IMPORTANT: The external control MUST be suitable

for 230V switching and fused 3A maximum.

6. Remove the link between terminals 1 & 2. The switched

output from the external control must be connected to

terminal 2 (Fig. 48).

7. Ensure that the external control input cable(s) have

sufficient slack to allow the control box to drop down.

Tighten the cable clamp on the boiler chassis.

8. Replace the terminal block cover, routing the external

control input cable(s) through the second cut-out.

10.8 Preliminary Electrical Checks

1. Prior to commissioning the boiler preliminary electrical

system checks should be carried out.

2. These should be performed using a suitable meter, and

include checks for Earth Continuity,

Resistance to Earth, Short Circuit and Polarity.

Always fit fast

blow 2A fuse

Fused supply 3A

230V ~ 50Hz

Neutral (blue)

Earth (green/yellow)

Live (brown)

230V

Fig. 47

Fig. 48

Fig. 46

Terminal Block

Fuses

Cable Clamp

Terminal Block Cover

Facia Panel

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 55 56

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Baxi Potterton LPG Service Manual Page 31

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