Cold water
Hot water
5
6
7
2
3
4
1
8
9
4
CONNECTION TO THE PRIMARY CIRCUIT (Typ. vertical installation on a wall)
Key
1. Primary circuit filling valve
2. Charging pump
3. Check valve
4. Primary circuit stop valve
5. Expansion vessel
6. Pressure gauge
7. Safety valve
8. Drain valve
9. Stop valve
en
19
Comfort E
: A1002860 - 661Y1600 • D
EN
FR
NL
ES
IT
DE
PL
RU
INSTALLATION