General description 15
Code no. 550038
Rev. no. 16/1018
1.2.2. Radiant burner
Diagram of the burner (Fig. 1.3)
A ......... Filter
B ......... Solenoid valve
C ......... Flexible section
D ......... Injector
E .......... Venturi
F .......... Air filter
G ......... Burner
H ......... Control system
I ........... Ignition/Ionisation electrode
J .......... Ionisation electrode
(USA/CANADA models only)
K ......... Manual stop-valve
L .......... Premix fan
Description of operation (Fig. 1.3)
When the ironer control requests heating, the burner control system (H) starts up the air premixing fan (L) and
subjects the ignition electrodes (I) to a high voltage for a limited time to produce an electrical discharge; while
power is simultaneously fed to the solenoid valve (B) to open the gas flow.
The gas enters the burner via a single nozzle (D).
The ionisation electrode (J) detects the flame.
If the presence of a flame has not been detected after a certain time following the ignition order, the solenoid
valve is closed, an alarm report is issued and the burner control enters safety mode.
Electrical specifications of the premix fan
CE certified models: 230V/50Hz. 55W. Class B
ETL certified models: 120V/50/60Hz. 68W. Class H
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