14
221899A
FLUE
DUCT
EXTENSION
JUBILEE
CLIP
TOP
TURRET
9355
RETAINING
CLAMP
" O " RINGS
NIBS
Diagram 5.7
5 Boiler Installation
JUBILEE
CLIP
REAR
CONNECTION
(within casing)
Diagram 5.6
BLANKING
PLATE
7150
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.
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 (
)
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.
FAN ELBOW
GASKET
6791
SCREWS
(4)
SPIGOT
REAR FLUE FIXING
TOP FLUE FIXING
FLUE DUCT
EXTENSION
PRESS
PRESS
RETAINING
CLAMP
FAN
ELBOW
PRESS
CLASP
SCREWS
(4)
FAN ELBOW
CLAMPING
SURFACE
