Hydraulic Connection For Models Fcx+ Dhw Production System Of Type Bs To A Single Heating Circuit - geminox FCX 22 C Technical Instructions

7.4 - Hydraulic connection for models FCX+ DHW production system of type BS to a single hea-
ting circuit
The domestic hot water production system used
may be:
- of the FCX MODULE type; in this case, refer to
the MODULE instructions.
Fig. 45
2
3
1) Boiler
st
2) 1 heating circuit flow
st
3) 1 heating circuit return
4) Cold water inlet valve **
5) Filling system**
6) Filling valves **
7) Heating flow/return isolating valves **
8) Boiler drain
9) Condensate drain
10) Filling system outlet
11) Sewer drain
12) Domestic cold water inlet
13) Domestic hot water flow
14) Domestic hot water recycling**
15) Domestic hot water recycling pump **
Note: For hot water recycling to run efficiently, the T-bracket must be located above the boiler so that the hot water
reaches it via the thermosiphon circulation.
26
1
7
2
3
7
8
11
- of the BS type; in this case, the BS/FCX connec-
tion kit supplied as an option must be used
(section 6 - page 26 - chapter IV - INSTALLA-
TION).
14
17
22
25
20
5
9
16
10
16) Isolating valve **
17) Non-return valve (supplied with the FCX/BS kit)
18) Safety control box **
19) Evacuation safety control box
20) DHW expansion vessel- BS**
21) Primary inlet (boiler to tank)
22) Primary outlet (tank to boiler)
23) DHW expansion vessel**
24) Pressure reducer**
25) Domestic hot water load pump (supplied with the
FCX/BS kit)
26) Non-return valve**
** accessories not supplied
- 28 -
INSTALLATION
15
21
13
12
23
18
6
19
24
4