Glow-worm 45/2 Back Boiler - Manual (Page 9)

9 221780A
4 Installation
Diagram 4.6
Diagram 4.7
5202
5203
FRONT OF
BACK BOILER
HEAT
EXCHANGER
DRAUGHT
DIVERTER
SCREW(4)
FLUE COLLECTOR
ASSEMBLY
SOCKET
FRONT
No.8 X 1 /
2
SCREWS
(BLACK)
Fully fit No.8 X 3 /
8
screw into rear of
socket.
Centralise flexible
flue liner using the
2 No. 8 x
1 /
2
screw
provided.
No.8 X 3 /
8
SCREWS
REAR 4.8 Alternative Back Boiler Fixing
Position the back boiler as described in Section 4.7 paragraphs
1 to 3.
Carefully disconnect the electrical plug from the gas valve and
undo the four screws securing the combustion chamber extension
and remove, see diagram 4.8.
Mark position of fixing holes on each side of the floor protection
plate, see diagram 4.9. Remove back boiler from the opening.
Drill two holes to accept the plugs and fixings provided.
4.9 Positioning the Back Boiler - continued
Insert the 3 flueway baffles into the top of the heat exchanger, see
diagram 4.5.
Fit the flue baffle on top of the heat exchanger ensuring that the
four corners are correctly located into the flueways, see diagram
4.5. The flueway baffle is marked “TOP FRONT”.
Fit the draught diverter onto the heat exchanger with the four
screws provided in the fittings pack, see diagram 4.6. taking care
not to damage the seal.
Where a flexible flue liner is being used, fully fit the No8x 3 /
8
in self
tapping screw provided into the rear of the flue socket as in
diagram 4.7.
Reposition the back boiler into the builder’s opening and secure
to the prepared base with the screws provided. Connect the
system pipework to the back boiler unit/preplumbed pipework.
Refit the combustion chamber extension, if previously removed.
Connect gas supply to gas service cock. Leave gas service cock
in the Back Boiler/Fire “OFF” position, see diagram 6.2.
If a flexible liner is being used, position the liner in to the flue
socket. Using two No8x
1 /
2
in self tapping screws coloured black,
from the fittings pack, screw through the two remaining holes in
the flue socket to centralise and secure the flue liner, see diagram
4.7. Seal with a suitable fire clay cement.
Diagram 4.8
Diagram 4.9
8015
SECURING SCREW
UNION NUT
UNION
NUT
GAS VALVE
ELECTRICAL
PLUG
SECURING
SCREWS
ALTERNATIVE
FIXING HOLES
1602
COMBUSTION
CHAMBER
EXTENSION
AND BURNER
ASSEMBLY
FLOOR
PROTECTION
PLATE