24
Installation
3
4
8
7
10
9
16
15
17
18
19
20
21
12 13
14
5
1
6
2
11
Legend:
1.
Fan
2.
Heat Exchanger
3.
Overheat Thermostat
4.
Burner
5.
Detection Electrode
6.
Ignition Electrodes
7.
Main Circuit Temperature Probe
8.
Pressure Gauge
9.
Low Water Pressure Switch
10. Safety Valve
11. Domestic Hot Water Temperature Probe
12. Secondary Exchanger
13. Gas Valve
14. D.H.W. Flow Switch
15. D.H.W. inlet filter
16. Drain Valve
17. Motorised Diverter Valve
18. Automatic By-pass
19. Circulation Pump with Automatic Air Release Valve
20. Expansion Vessel
21. Air Pressure Switch
A. Central Heating Flow
B. Domestic Hot Water Outlet
C. Gas Inlet
D. Domestic Cold Water Inlet
E. Central Heating Return
6.15 Water Circuit Diagram
F
IG
. 6.24
Summary of Contents for INTESA TP23
Page 44: ...44 Fault Finding...
Page 45: ...45 Fault Finding...
Page 46: ...46 Fault Finding 0 55mbar 23kW 0 90mbar 30kW 0 55mbar 23kW 0 90mbar 30kW...
Page 47: ...47 Fault Finding...
Page 50: ...50...
Page 51: ...51...