Glow-worm Ultracom2 sxi - Manual (Page 7)

0020092785_02 - 05/10 - Glow-worm
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2.5 Hydraulic schematic
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Key
1 Heating safety valve
2 by-pass
3 Heating return thermistor
4 Condensate trap
5 Ignition and control electrode
6 burner
7 Main heat exchanger
8 Thermal fuse
9 flue outlet
10 Silencer
11 Heating expansion vessel
12 fan
13 Gas control valve
14 Ignition module
15 Heating flow thermistor
16 Air vent
17 Pump
18 filling taps
A Heating flow
b Pipe for heating safety valve
C Gas
D Heating return
G Condensate drain
INTRODUCTION