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gis
5
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
Filling
Installation diagram
37
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