Fitting Support Bracket And Mounting Rail; Example Pipe-Work Installation; Fitting The Filling Link Assembly - Bosch Worcester Greenstar HIU E Installation And Maintenance Instructions Manual

5.1.2

Fitting support bracket and mounting rail

▶ Secure the support bracket [4] to the wall, with appropriate fittings
[5] for appliance weight and wall type.
▶ Secure the wall mounting frame [6] to the wall, with appropriate
fittings [5] for appliance weight and wall type.
▶ Fit the pressure relief valve installer connector elbow [7] to the
pressure relief valve outlet.
– The connection elbow nut will be inside the casing when installed
allowing the pipe to drop below the bottom of the casing for
installation of discharge pipe-work.
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6
Fig. 21 Support bracket and mounting rail
▶ Install and connect the pipe-work to the isolation valves on the
mounting frame and tighten the compression fittings, supplied in the
installation pack.
5.1.3

Example pipe-work installation.

The pipe-work to the appliance can be installed from below, above and a
mix of both.
A vertical pipe kit is available as an accessory, shown in figure 22.
Fig. 22 Pipe kit example
6 720 808 928 (2017/06)
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5
7
5.1.4

Fitting the filling link assembly

Fit the Integral filling link, supplied with the appliance,
before hanging the appliance on the frame.
▶ The district water is treated and used to protect the
central heating system when this filling method is
used,  section 6.9,Water quality for details on
typical additives used.
Refer to figure 23
▶ Ensure the isolation valves are closed on the district heating return
[1] and central heating flow connections [3].
NOTICE: There may be mains and system water
pressure behind the blanking plugs.
▶ Ensure all isolation valves are closed.
▶ Unscrew the blanking plugs [4] from the district heating return [1]
and central heating flow connections [3].
▶ Fit the filling link filter and "O" ring seals.
– Place the filter [7] inside the inlet of the filling link, ensuring that
the mesh is inside the filling link assembly [6].
– Fit the "O" ring seals [5] onto the inlet and the outlet of the filling
link assembly [6].
▶ Fit the filling link assembly onto the district heating return [1] and
central heating flow connections [3].
– Ensure that the filling link [6] is pushed in fully to the locating tabs
[8] on both sides of the assembly.
▶ Fit the securing screws and lock washers [2] in each of the isolation
valves.
1
7
5
6
4
8
Fig. 23 Filling link fitting
Installation
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3
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23