Water Circuit - PENSOTTI PCC 34-H Instruction Manual

2.4 Water circuit

LEGEND
1. PRIMARY CONDENSING HEAT EXCHANGER
2. PREMIX BURNER UNIT (GAS
MANIFOLD+BURNER)
3. CONDENSATE DRAIN PIPE
4. IONISATION ELECTRODE
5. IGNITION ELECTRODE
6. FAN
7.
VENTURI
8. IGNITION TRANSFORMER
9. ELECTRONIC GAS VALVE
"
10. SAFETY VALVE 3/4
11. AUTOMATIC AIR VENT VALVE
12. HEATING SAFETY THERMOSTAT
13. HEATING SENSOR
14. PUMP WITH AIR VENT
15. WATER PRESSURE SWITCH
16. FLUE HOOD
17. SAFETY THERMO FUSE
18. EXPANSION VESSEL
19. D.H.W. SENSOR
20. CONDENSATE TRAP
21. WATER PRESSURE GAUGE
22. AUTOMATIC BY-PASS
23. CONDENSATE DRAIN PIPE
24. SYSTEM DRAIN VALVE
25. ROOM SEAL CHAMBER BACK SIDE
26. FLOW LIMITER
27. ELECTRONIC FLOWSWITCH
28. DHW EXCHANGER
29. DIVERTER VALVE ACTUATOR UL/CSA
30. FILLING TAP
31. AIR PRESSURE SWITCH
32. NO-RETURN VALVE
TECHNICAL CHARACTERISTCS
17
31
13
12
2
1
18
6
9
19
11
14
10
22
24
SC
HR HWO G CWI
LEGEND
HR HEATING RETURN
HF HEATING SUPPLY
G GAS
CWI
COLD WATER INLET
HWO HOT WATER OUTLET
SC
CONDENSATE DRAIN
16
8
5
4
19
3
7
25
20
23
15
27
28
29
26
21
30
32
HF
13