Glow-worm Ultimate 40FF User Manual download pdf (Page 19)

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5 Boiler Installation

Diagram 5.4

ELECTRICAL

CONNECTIONS

REAR SECURING SCREW (2)

(SLACKEN but do not remove)

4084

AIR PRESSURE TUBES

CLEAR

RED

SECURING

SCREW (2)

0167(a)M

Diagram 5.3

5mm

MOUNTING

BRACKET

SWING

BRACKET

SECURING

SCREWS (2)

NOTE:

PIPES REMOVED

FOR CLARITY

5.3 Water Circulation System

Complete the water connections to the boiler.

Fill, vent and flush the system.

Check for any water leaks and put right.

5.4 Safety Valve Discharge

Fit a suitable discharge pipe to the safety valve and route it to

outside the building so that any discharge can be seen but will

not cause injury to persons, damage to property or any electrical

installation.

5.5 Gas Connection

Make the gas connection to the Rc

in gas service cock, see

diagram 6.1.

Check for leaks using a suitable leak detection fluid.

The whole of the gas installation, including the meter, should be

inspected, tested for soundness and purged in accordance with

the current issue of BS6891 and in IE the current edition of I.S.

813 "Domestic Gas Installations".

5.6 Control Box Removal

Remove the electrical control box securing screws, see diagram

5.8. Slide the box forwards and release, hook it onto the lip

bracket at the front, see diagram 5.8.

5.7 Electrical Connection

WARNING: This boiler must be earthed.

Take care not to damage any internal wiring and capillaries.

Take the plastic cable retaining clip, from the loose items pack,

peel off the backing paper and position it in a suitable place to

secure the incoming cable.

Using heat resistant (85

C) cable of at least 0.75mm

(24/

0.2mm) to the current issue of BS6500 Table 16 and of a

suitable length, thread through the cable clamps, secure into

the plastic clips and connect to appropriate terminals, see

relevant diagram 5.9 or 5.10.

Standard colours are, brown - live (L), blue - neutral (N) and

green and yellow - earth (E).

The mains cable outer insulation must not be cut back external

to the cable clamp.

Make sure the cable is suitably secured.

When making connections, make sure that the earth conductor

is made of a greater length than the current carrying conductors,

so that if the cable is strained the earth conductor would be the

last to become disconnected.

5.8 Gravity Domestic Hot Water Systems

Fit the yellow link cable, supplied in the fittings pack, between

terminal K1 and K2, see diagram 5.9.

5.9 Pump Connection

FULLY PUMPED

The pump must be connected directly to the control box, as

shown in diagram 5.10 threading the cable through the cable

clamp in the side of the control box.

PUMPED HEATING AND GRAVITY DOMESTIC HOT WATER

The pump must be wired into the central heating remote

controls.

Make sure that the supply cable and all external cables are

secured and away from hot surfaces.

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Glow-worm Ultimate 40FF User Manual Page 19

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