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Connection to the central
heating system
•
Cylinder must be fitted to the central heating system by pipe unions 1¼"(1" for
double jacket cylinder). A cut off valves must be installed before the pipe unions.
•
A flow rate of heating water must be high enough to maximise cylinder efficiency
(see technical data table). It concerns the forced circulation installation (with a
central heating pump).
•
Cylinder need to be placed in that way to ensure the high difference (at least
1,5m) between a heat sources and cylinder. It concerns the gravity circulation
installation.
1
2
3
CO
CW
<
CO
<
Scheme of cylinder connection
[1] - cut-off valve
[2] - safety valve 3bar (max)
[3] - automatic vent valve
[4] - drain valve
[5] - safety valve 6bar (max)
[6] - expansion vessel
28
1
1
1
4
5
[7] - pressure reducer
CW - hot water
ZW - cold water
CO - heating medium
C - circulation
C
<
ZW
<
1
6
7
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