
installation
16
1
3
2
9
10
11
8
12
13
7
6
4
5
A
C
E
Water circuit diagram
Legend:
1.
Manual air vent
2.
Main heat exchanger
3.
Detection Electrode
4.
C.H. Flow temperature probe
5.
C.H. Return temperature probe
6.
Minimum water pressure switch
7.
Siphon
8.
Circulation Pump (optional for 85/100/115/150)
9. Gas
valve
10. Modulating fan
11. Mixer
12. Ignition electrode
13. Flue overheat thermostat