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3.5
Installation diagram
Legend
Unused numbers are not applicable
1.
pressure reducing valve
(mandatory)
3.
T&P valve (mandatory)
4.
stop valve (recommended)
5.
non-return valve (mandatory)
6.
circulation pump (optional)
7.
top to bottom circulation
pump (optional)
9.
drain valve
10.
manual gas valve
(mandatory)
11.
service stop valve
(mandatory)
12.
temperature gauge
(recommended)
14.
draw-off points
15.
expansion valve (mandatory)
16.
expansion vessel
(mandatory)
17.
3-way aeration valve
(recommended)
18.
cold water head tank
19.
float switch
A.
cold water supply
B.
hot water supply
C.
circulation pipe
D.
gas supply
E.
overflow pipe
H.
overflow protection
Instruction manual CH
The figure shows the Installation diagram. This diagram is referred to in the
sections describing the actual connection procedure.
Installation diagram
23
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