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

7.6 - Hydraulic connection for models FCX+ DHW production system of type BS to a double
heating circuit
This type of system makes it necessary to use:
- a BS/FCX connection kit (section 6 - page 26 -
chapter IV - INSTALLATION) delivered as an op-
tion.
Fig. 47
7
2
3
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 circula-
tion.
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 **
16) Isolating valve **
17) Non-return valve (supplied with the FCX/BS kit)
18) Safety control box **
30 26
28
31
7
29
27
32
1
7
2
3
7
8
11
Refer to the kit assembly instructions.
Note :
- To create this type of system with an FCX MODU-
LE refer to the MODULE instructions.
14
17
22
25
20
5
9
16
10
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)
nd
26) 2 heating circuit outlet
nd
27) 2 heating circuit return
28) Mixing valve motorised**
nd
29) 2 heating circulating pump**
30) Heating flow sensor for 2
31) Non-return valve of the valve/pump unit **
32) Non-return valve**
** accessories not supplied
- 30 -
INSTALLATION
15
21
13
12
23
18
6
19
nd
heating**
24
4