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5 boiler installation – Glow-worm Micron 40FF User Manual

Page 15

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15

221911E

Diagram 5.7

5 Boiler Installation

JUBILEE
CLIP

REAR
CONNECTION
(within casing)

Diagram 5.6

BLANKING

PLATE

7150

FLUE DUCT
EXTENSION

TOP
CONNECTION

RETAINING
CLAMP

5.5 Gas Connection

Make the gas connection to the Rc

1

/

2

in gas service cock, see

diagram 6.2.

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 Access

Slacken the control box securing screw, see diagram 5.10.
Swing the box out on its hinge.

5.7 Electrical Connection

WARNING: This boiler must be earthed.

NOTE: If an optional programmer is to be installed, it should be
fitted at this stage, see separate installation instructions supplied
with programmer

Take care not to damage any internal wiring.

Using heat resistant (85

o

C) cable of at least 0.75mm

2

(24/

0.2mm) and of a suitable length, thread through the grommet at
the rear of the control box, through the cable clamp and connect
to appropriate terminals. Tighten cable clamp screws, see
diagram 5.10.

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

JUBILEE
CLIP

GASKET

TOP
TURRET

6791

9355

RETAINING
CLAMP

SCREWS

(4)

SPIGOT

REAR FLUE FIXING

TOP FLUE FIXING

" O " RINGS

SCREWS

(4)

NIBS

FAN ELBOW

FLUE DUCT
EXTENSION

PRESS

PRESS

RETAINING
CLAMP

FAN
ELBOW

PRESS
CLASP

FAN ELBOW
CLAMPING
SURFACE

7663