Electrical Connection; Electrical Wiring - Glow-worm Ultracom 38cxi Installation And Servicing

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 identified 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 fixed 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 fittings pack.
Remove the securing screw to open the cartridge.
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 plug, refer to the appropriate
sections 11.2 or 11.3 .
Supplied By www.heating spares.co Tel. 0161 620 6677

11 Electrical Connection

Diagram 11.1
35
NOTE: This appliance
will not operate without
a link or system
24V SYSTEM
CONTROLS
controls fitted.
NOTE: This appliance
will not operate without
a link or system
controls fitted.
NOTE: ALL CABLES
CONNECTED TO THE
APPLIANCE SHOULD
BE PERMANENTLY
FIXED TO THE WALL
Diagram 11.2
Diagram 11.3