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2.1 Installation diagram
Legend
1. pressure relief valve
(mandatory if mains water
pressure is too high)
3. T&P-valve (mandatory)
4. stop valve (recommended)
5. non-return valve (mandatory)
6. circulation pump (optional)
9. drain valve
11. service stop valve
12. temperature gauge (optional)
14. draw-off points
15. expansion valve (mandatory)
16. expansion vessel (mandatory)
A. cold water supply
B. hot water supply
C. circulation pipe
2.2 Water connections
2.2.1
0313762_LSTR_UKUK_V1.0, 03-08-2021
Installation
Note
These products can be installed as vented and unvented. This manual only discusses
unvented installations. For information about vented installations please contact your
supplier.
The figures below show the installation diagrams. These diagrams are referred to in the
sections describing the actual connection procedure.
Installation Diagrams
Warning
The installation should be carried out by a competent person, in compliance with general
and locally applicable regulations.
Cold water side
See (A) in the installation diagram (2.1 "Installation diagram").
1. Fit an approved stop valve (4) on the water supply side as required by the applicable
regulations.
2. The maximum working pressure of the storage vessel is 10 bar. Because the
pressure in the water pipe at times can exceed 10 bar, you must fit an approved
pressure-reducing valve (1).
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