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FERSYSTEM TECH 38 C
4.3 Hydraulic diagram
Key
7
Gas inlet
8
DHW outlet
9
Cold main inlet
10
CH flow
11
CH return
14
Heating Pressure Relief safety valve
16
Premix fan assembly
32
Heating pump
36
Automatic air vent
42
D.h.w. temperature sensor
44
Gas valve
56
Expansion vessel
fig. 33
95
Motorised Diverting valve
114
Water pressure switch
136
Flow meter
154
Condensate outlet pipe
161
Heat exchanger
186
Return temperature sensor
193
Siphon
194
Domestic plate Heat exchanger
241
Automatic by-pass valve
278
Double sensor (Safety + Heating)
Cod. 3540U330 - 09/2009 (Rev. 00)
33
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