Table des Matières
Publicité
E
Check and correct if necessary
1. Electrical and pressure tube connections
2. Blockage of pressure tubes
3. Restriction in flue
4. Venturi
F
NO
Gas at burner
G
1.
Check the burner setting pressure of the
gas valve
(see Section
of Commissioning)
2.
Voltage at modulating coil of gas valve is:
Max. burner press.approx 9V DC (13V DC LPG)
Min. burner press.approx 1V DC
Current at modulating coil of gas valve is:
(Use an instrument with average function for this measure)
30 ÷ 230 mA DC (45 ÷ 310 mA DC LPG)
H
Check and correct if necessary
1.Ignition electrode and lead
2. Electrode connection
3. Spark gap and position
NO
Ensure gas is on and purged
PCB - A1 connector has 120V AC
across terminals 2 & 4
NO
neon flashing
NO
Replace PCB
120V at Main PCB - A1 con-
YES
nector across terminals
3 & 5. Check wiring
Replace air pressure
switch
YES
Replace gas valve
YES
Turn selector switch to
reset position R
YES
Replace gas valve
NO
Replace PCB
NO
Replace PCB
YES
Replace igniter
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Table des Matières
