FULTON ICW6 - 60 HP Installation And Operation Manual page 42

MAINTENANCE
Problem
Boiler will not maintain
temperature
4-12
Troubleshooting Gas Fired Boilers
Potential Cause
Gas Supply
Dirty Flue
Aquastat
Scale Built up in boiler
Refractories
Boiler Size
ICW-IOM-2012-1001
Potential Remedy
Check gas pressure coming into gas train. If low,
maintain pressure contact gas company. Should
be 7 in to 11 in wc /natural gas. Check coil in gas
valve with AMP meter. Replace if bad. Check gas
regulator setting and readjust as necessary.
Check ue for carbon buildup or blockage. Clean
ue passages with brush.
If power is on, check across aquastats to verify
power through the switch. If bad, replace.
Refer to Recommended Daily Maintenance
section of this manual.
Check refractories to see if they are cracked or
broken in pieces. Replace as necessary.
Boiler may be undersized.
SECTION 4
© The Fulton Companies 2012