5 Fill
Connections diagram
UNVENTED
Legends
Not mentioned numbers are not applicable.
1. pressure reducing valve (obligatory)
3. T&P valve (obligatory)
4.stop valve (recommended in pipe C and obligatory in
pipe A)
5.
6.circulation pump (optional)
9.drain valve
10. manual gas valve (obligatory)
11.service valve
12.temperature meter
| (optional) |
|
13. | condensation drainage |
|
14. |
| |
15. | expansion valve |
|
| (obligatory) |
|
16. | expansion vessel |
|
| (obligatory) |
|
17. |
| |
| (recommended) |
|
18. | water tank | VENTED |
19.float valve
A. cold water supply
B. hot water discharge
C. circulation piping
D.gas supply
E. water overflow
H. overflow pipe
Instruction manual TWI | 35 |