9
3.1
UNPACKING THE BOILER
The standard appliance is supplied in two separate card-
board cartons. In addition up to two extension duct kits may
be used.
If the appliance is to be installed without access to the out-
side wall, the wall liner will also be required. Unpack each
carton and check the contents against the following lists:
Appliance package:
– combination boiler (assembled);
– installation and servicing instructions;
– users instructions;
– wall mounting templates (paper);
– wall mounting bracket assembly ;
– fixing screws with wall plugs;
– plastic bags containing:
- gas service cock;
- C.H. F/R isolation valves;
- D.H.W. isolation valve;
- D.H.W. compression fitting;
- aluminium ring;
- associated fixing screws;
- associated gaskets.
- safety valve discharge pipe.
Flue Package:
– inner duct (flue) c/w flue terminal and centering springs;
– outer duct (air);
– junction collar with protective metal sleeve;
– flue elbow with gasket;
– rubber sealing ring.
Extension duct kit(s) (optional):
– inner duct c/w springs;
– outer duct;
– junction collar with protective metal sleeve.
3.2
FIXING THE WALL MOUNTING BRACKET
Before installing the appliance ensure that the chosen
location is suitable (section 2.2) and that the require-
ments for flue position, (section 2.3), and minimum
clearances, (table 2) are satisfied. These minimum
clearances are essential to provide access for servicing,
and are included on the wall mounting templates.
– Open the paper wall mounting templates.
If a rear flue is to be used, discard the side templates
and secure the rear template in the desired position.
For a side flue application, secure both the rear and
appropriate side template in position.
– Mark the position of the two wall mounting bracket
fixing holes, the two lower frame fixing holes, and the
flue/air duct hole on the appropriate wall(s).
– Remove the template(s) and drill the top two fixing holes
using a 10 mm masonry drill and the bottom two fixing holes
using a 6 mm masonry drill. Fit the plastic plugs provided.
– Cut the hole in the wall for the flue/air duct. The diame-
ter should not be less than 100 mm (4 in) and must be
horizontal. If the hole is not accessible from the outside
of the building, its minimum diameter should be suffi-
cient to allow the insertion of the wall liner (130 mm - 5
1
⁄
4
in) diameter) which will be sealed with mortar. Refer to
fig. 13. (The wall liner is available as an optional extra.)
– Accurately measure the wall thickness, and note this
dimension for later use.
– Secure the wall mounting bracket in position using the
screws provided. Ensure that it is the correct way up, as
indicated in fig. 7.
3
INSTALLING THE BOILER
KEY
1
Wall mounting bracket
2
Plastic wall plug (2 Off)
3
Woodscrew (2 Off)
4
Washer (2 Off)
5
Adjustment screw (2 Off)
Fig. 7
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