Instruction manual BFC 43
gis
5 FillingInstallation diagram
Legend
Only applicable numbers are
mentioned.
1. pressure reducing valve
(mandatory)
3. T&P valve (mandatory)
4. stop valve (recommended in
pipe C and mandatory in pipe A)
5. non-return valve (mandatory)
6. circulation pump (optional)
9. drain valve
10.manual gas valve (mandatory)
11.service stop valve
12.temperature gauge (optional)
13.condensation drainage
14.hot water draw-off points
15.expansion valve (mandatory)
16.expansion vessel (mandatory)
17.3-way aeration valve
(recommended)
18.water tank
19.float valve
A. cold water supply
B. hot water supply
C. circulation pipe
D. gas supply
E. overflow pipe
H. overflow pipe
IMD-0464 R0
T
B
A
4
17 E
H
C
C
10
3
D
13
9
464 5
14
11
4
18
12
19
A
4
5
C
1
15
16
13
9
4
5
6
4
14 1414
11
10
D
B
3
T
12
UNVENTED
VENTED