Glow-worm Ultracom cxi User Manual download pdf (Page 36)

WARNING: This appliance must be earthed.

● This appliance must be wired in accordance with these

instructions. Any fault arising from incorrect wiring cannot be

put right under the terms of the Glow-worm guarantee.

● All system components must be of an approved type.

Electrical components have been tested to meet the

equivalent requirements of the BEAB.

● Do not interrupt the mains supply with a time switch or

programmer.

● Connection of the whole electrical system and any heating

system controls to the electrical supply must be through a

common isolator.

● Isolation should preferably be by a double pole switched

fused spur box having a minimum contact separation of

3mm on each pole. The fused spur box should be readily

accessible and preferably adjacent to the boiler. It should be

identied as to its use.

● A fused three pin plug and shuttered socket outlet may be

used instead of a fused spur box provided that it is not used in

a room containing a xed bath or shower.

● The boiler is suitable for installation in bathroom zones 2

and 3.

11.1 Electrical Wiring

Remove the electrical cartridge from the ttings pack.

Remove the securing screw to open the cartridge, see

diagram 11.1.

NOTE: There are two screws supplied loose in the electrical

cartridge, these will be required to secure the cartridge into

the electrical interface housing.

Slacken the screws of the cable strain relief in the electrical

cartridge, see diagram 11.1.

Route the mains supply and system cables through the

strain relief and connect to the relevant terminals, refer to the

appropriate sections 11.2 or 11.3 .

13302

Diagram 11.1

11 Electrical Connection

Diagram 11.3

13369

Diagram 11.2

13368

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Glow-worm Ultracom cxi User Manual Page 36