FULTON VSRT Series, Инструкция по установке, эксплуатации и обслуживанию

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SECTION 4
VSRT-IOM-2022-0728
MAINTENANCE & TROUBLESHOOTING
4-13
Problem Cause Remedy
Ignition Failure
Power Supply Check fuse or circuit breaker. Reset or replace, as necessary.
Ignition Electrodes
Check electrodes for carbon buildup and clean if necessary.
Check for proper adjustment. Readjust if necessary. Check for
cracks in porcelain. If found, replace.
Transformer
Check voltage between transformer leads at terminal block to
be sure transformer is being powered.
Flame Safeguard Control
Check voltage between ignition terminal and neutral. Check
must be made before control locks out on safety. If no power,
replace control.
Faulty Air Switch
Use a volt meter in series with the air switch to check to see if
the switch is making (closing). Also check the adjustment of
the air switch setting. If both above do not work, check the
range of the air switch and measure the burner fan pressure at
the air pressure switch sensing port to make sure the air switch
is within range.
Gas Supply*
Check for gas pressure and for intermittent supply problems.
See
Table 3 for appropriate gas pressures required at the head
of the train.
Loose Wire Connection Check connections to all components.
Flame Failure
Power Supply Check fuse or circuit breaker. Reset or replace, as necessary.
Gas Supply*
Check for gas pressure and for intermittent supply problems.
See
Table 3 for appropriate gas pressures required at the head
of the train.
Ignition Electrodes
Check electrodes for carbon buildup and clean if necessary.
Check for proper adjustment.
Readjust if necessary. Check for cracks in porcelain; if found,
replace.
UV Scanner
Check for debris on flame scanner and clean as needed.
Check for proper location of detector.
Flame Safeguard Control
Check voltage at terminal leading to main gas valve. If no
power, replace the control.
Loose wire at fuel valve circuit Tighten wiring connections.
Contact open on air safety
switch
Adjust to proper setting.
Scanner wiring reversed at
panel box
Change to correct terminals.
VSRT-9.5, 80-250 Air Filter Inspect c ombustion air filter, replace if dirty.
* For natur al gas fired boilers. Refer to the test fire sheet for all other fuels.
Troubleshooting Gas Fired Boilers
Troubleshooting
Refer to table below for troubleshooting.