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Figure 17.3
- Typical Open Vented Indirect Cylinder Schematic
Figure 17.4
- Typical Unvented Indirect Cylinder Schematic
Feed &
Expansion
Tank
Open Vent
1
2
3
6
8
19
11
16
14
17
Cold water booster
pump set
17
12
1
1
19
8
7
2
3
6
4
5
10
11
18
14
2
2
2
2
13
6
2
2
15
14
15
13
10
2
2
6
18
15
14
15
1. Cold water mains supply
2. Isolating valve
3. Strainer
4. Pressure reducing valve
5. Expansion vessel
6. Non return valve
7. Expansion relief valve
8. Drain valve
9. Inox Maxi SSC1
10. Re-circulating pump
11. Hot water outlets
12. Temperature & pressure relief valve
13. De-Stratification pump
14. Primary heating circuit flow
15. Primary heating circuit return
16. Pressure relief valve
17. Immersion heater
18. Two port motorised valve
(not of Elco supply)
19. Inox Maxi SSC2
1. Cold water mains supply
2. Isolating valve
3. Strainer
4. Pressure reducing valve
5. Expansion vessel
6. Non return valve
7. Expansion relief valve
8. Drain valve
9. Inox Maxi SSC1
10. Re-circulating pump
11. Hot water outlets
12. Temperature & pressure relief valve
13. De-Stratification pump
14. Primary heating circuit flow
15. Primary heating circuit return
16. Pressure relief valve
17. Immersion heater
18. Two port motorised valve
(not of Elco supply)
19. Inox Maxi SSC2
Legend
Legend
19