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Gas supply circuit
Working principles
When the machine is connected to the gas supply, the gas passes in sequence
the following parts: 1. flame supervision device 2. automatic shut-off valve 3.
needle valve 4
.
Nozzle 5
.
being ignited by the high-voltage spark plug and
burning at the burning head. 6
.
Current occurs in the thermocouple due to the
heat output by gas burning. 7
.
The thermostat activates an electric circuit to
enable the small electromagnetic valve in the Flame supervision device
magnetizing the armature of flameout protection valve, the gas passes through
and burns continuously.
Item
Parts name
1
Flame supervision device
2
Automatic shut-off valve
3
Needle valve
4
Nozzle
5
Thermocouple
6
Burning head
7
Ignition needle
8
Thermostat
