13
British Gas 440 - 480 RD2 -
Installation & Servicing
INSTALLATION
9
BOILER CASING REMOVAL
The boiler is supplied fully assembled in
Pack A, together with a standard flue
assembly for lengths up to 600mm
(23 1/2") rear or side flue outlet in Pack B.
Unpack and check the contents.
8
UNPACKING
Complete boiler
assembly
PACK 'A' CONTENTS
!
Complete boiler assembly
!
The Boiler Hardware Pack (listed
separately)
!
The Flue Hardware Pack (listed
separately)
!
These Installation Instructions
!
User's/Servicing Instructions.
!
Template
BOILER HARDWARE PACK
!
1" BSP plugs - 3 off.
!
Distributor tube - 1 off.
!
28mm x 1" BSP male straight
adapter compression fitting - 3 off.
For connection to the boiler
PUMPED & GRAVITY flow /return
tappings.
!
Flow sensor pocket -1 off.
!
Return sensor pocket kit
comprising:
Hexagon bush - 1 off.
Sensor pocket - 1 off.
'O' ring - 1 off.
Heyco bush - 1 off.
M5 x 10mm Pozi screw - 3 off.
Washers - 3 off.
!
O/heat thermostat pocket - 1 off
!
1/2" square bar - 1 off.
!
Cable tie - 4 off.
!
Control thermostat knob - 1 off.
!
M3 x 6mm Pozi pan screw- 1 off.
!
Self tapping screw - 2 off.
!
British Gas Logo- 1 off.
!
Scottish Gas Logo - 1 off.
To install the boiler the casing MUST be removed.
1. Undo the 2 screws and lift off the lower front panel.
2. Remove the 2 screws and lift off the grille assembly.
3. Release the 'Burner On' neon from the rear of the
control panel.
4. Release the wiring harness leads from the edge clips
on the RH side panel.
5. Remove the 2 screws securing the control panel and
pull down to release the tabs from under the top
panel.
Mex
1841
Grille
assy.
Control
panel
FLUE PACK. Pack B Contents
!
Duct cutting support - 2 off (cardboard )
!
Terminal wall plate - 1 off.
!
Terminal grille assy. - 1 off.
!
Polyurethane foam seal 400 lg. - 1 off.
!
No. 8 x 8 lg. Pozi pan hd. screws - 3 off.
FLUE HARDWARE PACK
Side outlet plate
!
Flue extension tube (rear).
!
Flue extension tube (side).
!
Flue extension tube (top).
!
Elbow .
!
Sealing ring.
!
M5 wing nuts - 3 off.
!
Side outlet plate.
!
No. 10 x 2" lg. Rd Hd. wood
screws - 4 off.
!
Wall plugs - 4 off.
Flue terminal
Terminal wall plate
INST
ALLA
TION