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2. Installation - Page 13
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It is MOST IMPORTANT that the appliance is installed
in a VERTICAL POSITION, with the flue system passing
through the wall or ceiling in a Horizontal or Vertical
plane. A minor deviation from the horizontal is
acceptable, provided that this results in a downward
slope of the flue system away from the combination
boiler.
2.1
Unpacking
1. Unpack the cartons and check the contents.
2. Remove the white front case as follows; undo the two
securing screws at the base of the panel, pull the base
of the panel forward approx. 50 mm and lift off the
supporting top hooks. (Fig. 8)
3. Remove the base cover by removing the two fixing
screws and push the cover towards the rear to release
4. Each side panel can now be individually removed by
removing the two front fixing screws, loosening the lower
rear fixing screw and sliding the panel upwards to
unhook from the upper rear fixing. Place each panel
safely to one side.
5. Position the appliance onto its side and remove the four
screws retaining the lowest rear cross brace. This brace
is for transit purposes only and should be discarded.
Remove all plastic plugs from the pipes, a small quantity
of water may be present.
6. At this point follow the Installation Instructions supplied
with the Flue System, then proceed as follows:-
Fig 8
7. Boiler Connections: All connections to the appliance are
supplied unassembled in the boiler carton on a vacuum
formed card. Remove all fittings and assemble to the
appliance.
Note: When fitted, the Red levered central heating tail
(C.H.flow) should be to the left of the Blue.
2.2
Gas Connection
A minimum gas pressure of 20 mbar (8" w.g.) must be
available at the combination boiler inlet at full flow rate.
Install a gas supply pipe not less than 15mm diameter
copper to the combination boiler and connect to the gas
service cock. 15 mm diameter pipe will be adequate if
the length of pipe from the boiler to the gas meter is less
than 3 m, longer lengths will require 22 mm pipe.
2.3
D.H.W. Supply
1. The domestic hot water circuit does not need a pressure
relief valve, but it is essential to ensure that the pressure
of the cold water supply does not exceed 10 bar (145
lb/in), if in doubt it is advisable to install a pressure
reducing valve. The minimum pressure needed to
operate the domestic hot water system is 1 bar with a
flow of approximately 2.5 litres per minute.
2. Flush out all foreign matter from the supply pipe before
connecting to the appliance.
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