Cold water
Hot water
7
1
2
3
4
4
6
9
8
5
CONNECTION TO THE PRIMARY CIRCUIT (Typical floor installation)
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 (set at 3 bar)
8. Drain valve
9. Stop valve
en
21
HRs / Jumbo
: 661Y1200 • C
EN
FR
NL
ES
IT
DE
PL
RU
INSTALLATION