5.5
Unpacking & initial preparation
5.5.1
Unpacking
Caution
RISK ASSESSMENT - Before commencing the installation it is
recommended that the "Five Steps to Risk Assessment"
document published by the HSE is consulted, and an assessment
performed as described. GAS SUPPLY - The gas supply, gas type
and pressure must be checked for suitability before connection.
See
Handling, page 9 before unpacking or lifting the boiler.
To unpack the boiler:
1. Remove the banding and the cardboard sleeve.
2. Remove the polystyrene top piece and installation kit.
3. Snap off the rear part of the polystyrene bottom piece.
Important
Polystyrene base should be removed completely if fitting the boiler
into a space with minimum side clearances of 5 mm each side.
Important
If removing the polystyrene base, the sealing caps can also be
removed at this stage. Care must be taken to avoid damage from
any residual water in the boiler.
5.5.2
Initial preparation
1. After considering the site requirements position the fixing template on
the wall ensuring it is level both horizontally and vertically.
2. Mark the position of the two most suitable fixing slots for the wall
plate.
3. Mark the position of the centre of the flue hole (rear exit). For side flue
exit, mark as shown.
4. If required, mark the position of the gas and water pipes. Remove the
template.
5. Cut the hole for the flue (minimum diameter 116mm).
6. Drill the wall as previously marked to accept the wall plugs supplied.
Secure the wall plate using the fixing screws.
7. Using a spirit level ensure that the plate is level before finally
tightening the screws.
5.6
Connecting diagrams
5.6.1
Filling information
A filling point connection on the central heating return pipework must be
provided to facilitate initial filling and pressurising and also any subsequent
water loss replacement/refilling.
The filling method adopted must be in accordance with all relevant water
supply regulations and use approved equipment.
Your attention is drawn to:
for GB: Guidance G24.2 and recommendation R24.2 of the Water
Regulations Guide.
Fig.23
Unpacking the boiler
PN-0000345
Fig.24
Template
PN-0000346
150 mm
Ø
8m
m
5
0
m
m
M
IN
Heating
Return
(22mm)
Gas
(22mm)
Heating
Flow
(22mm)
Hot Water
Outlet
(15mm)
Combi Only
Not System
Cold Water
Inlet
(15mm)
Combi Only
Not System
Clearance above 178mm
Clearance below
200mm
7664094-02
Ø 22mm
Condensate
Drain
Pressure
Relief
Side Clearance 5mm
Side Clearance 5mm
195.5mm
195.5mm
65mm
65mm
65mm
65mm
22mm CH F & R
22mm Gas
This leg into tap
15mm DHW
In/Out
This leg into tap
Pipe Profiles. (Where copper tails are not supplied with the boiler)
To ensure that the vertical pipework is at the optimum distance (whether
piping up or down) make up in accordance with these exactly sized profiles.
View from
under boiler
Safety Pressure Relief
Condensate
Primary Drain
Wall
116mm Dia Minimum
Aperture For
Flue Tube
5 Before installation
33
