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6
Installation
6.1
General
Fig.30
Mounting the boiler
Fig.31
Connecting the taps
6.2
Assembly
Fig.32
Pressure relief pipe connection
38
800 System 2
Installation must be carried out in accordance with the prevailing regula
tions, codes of practice and the recommendations in this manual.
Danger
If the boiler is installed in a compartment do not use it for storage
purposes. Do not obstruct any purpose provided ventilation open
ings.
Caution
Where the boiler is sited in an unheated enclosure provision must
be made to protect against frost, e.g. frost thermostat, pipe ther
mostat.
1. Lift the boiler and hook onto the wall plate.
2. Remove the sealing caps from the connections under the boiler.
Warning
Some residual water may escape when removing the sealing
caps. Take precautions to avoid damage to components !
3. Remove the taps, elbow and sealing washers from the fitting kit. The
taps and elbow accept 15 mm or 22 mm copper pipe as appropriate —
see template.
4. Connect the appropriate tap to the heating flow and return pipework,
gas supply and mains cold inlet.
5. Connect the elbow to the DHW flow outlet.
6. Using the sealing washers provided connect the taps and elbow to the
boiler.
7. Ensure all joints are tight.
6.2.1
Fitting the pressure relief discharge pipe
1. Remove the discharge pipe elbow (1) from the kit.
2.
Determine the routing of the discharge pipe in the vicinity of the
boiler. Make up as much of the pipework as is practical, including
the discharge pipe elbow supplied.
Important
Make all soldered joints before connecting to the pressure relief
valve. Do not adjust the position of the valve. The discharge pipe
must be installed before pressurising the system.
The pipework must be at least 15 mm diameter and run
3.
continuously downwards to a discharge point outside the building.
Push the discharge elbow onto the valve outlet spigot (2) until a
4.
'click' is felt indicating correct location.
Complete the discharge pipework and route it to the outside dis-
5.
charge point.
6 Installation
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