Ab e d c, 5 boiler schematic – Glow-worm 30ci Plus User Manual
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1 - Fan.
2 - Air pressure switch.
3 - Heat exchanger.
4 - Overheat thermostat.
5 - Combustion chamber.
6 - Expansion vessel.
7 - Flame sense electrode.
8 - Burner.
9 - Ignition electrode.
10 - Pump.
11 - Heating thermistor.
12 - Ignition unit.
13 - By-pass.
Diagram 5.1
11560
A - Heating flow
B - Domestic hot water outlet
C - Gas
D - Cold water inlet
E - Heating return
5 Boiler Schematic
14 - Gas valve.
15 - Loss of water sensor.
16 - Domestic heat exchanger
17 - 3 way valve
18 - Domestic water flow sensor
19 - Filter cold water inlet
20 - Filling system
21 - Discharge safety valve (3bar)
22 - Drain valve
23 - Heating filter
24 - Domestic safety valve 10 bar
25 - Micro accumulator vessel thermistor
26 - Micro accumulator vessel
27 - Heating element
FITTED TO
REAR OF
APPLIANCE