Nova Florida VELA COMPACT - 2.3 Hydraulic Layouts

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2.3 Hydraulic layouts
Pic. 5 – Hydraulic layout CTN model
Pic. 6 – Hydraulic layout CTFS model
1. DHW temperature probe
2. Modulating gas valve
3. CH temperature probe
4. Burner nozzles
5. Burner
6. Ignition/ame sensing electrode
7. Safety thermostat
8. Bi-thermal heat exchanger
9. Flue gas hood
10. Flue gas thermostat
11. Expansion vessel
12. Air purging device
13. Pump
14. Water pressure switch
15. 3 bar safety valve
16. Loading tap
17. DHW ow limiting device – 10 liter per
minute
18. Domestic cold water ow switch
19. Domestic cold water inlet lter
M CH ow
C DHW ow
G Gas intake
F Water mains inlet
R CH return
1. DHW temperature probe
2. Modulating gas valve
3. CH temperature probe
4. Burner nozzles
5. Burner
6. Ignition/ame sensing electrode
7. Safety thermostat
8. Bi-thermal heat exchanger
9. Sealed combustion chamber
10. Flue gas discharge fan
11. Flue gas check
12. Air/ue gas safety pressure switch
13. Air/ue gas coaxial ducts
14. Air check
15. Air purging device
16. Domestic cold water inlet lter
17. Expansion vessel
18. Pump
19. Loading tap
20. Water pressure switch
21. 3 bar safety valve
22. DHW ow limiting device – 10 liter per
minute
23. Domestic cold water inlet ow switch
M CH ow
C DHW ow
G Gas intake
F Water mains inlet
R CH return