Owner's manual

21-G 1/01
Problem Cause Remedy
Boiler is Surging 1. Steam traps blowing Check traps to see if they are clean or replace as necessary.
through
2. Perc (cleaning solvent Clean boiler with washing soda per instruction manual.
in boiler)
3. Scale build-up or lime Call water treatment professional and consult factory.
deposits
4. Too much compound in Dump return tank and flush system. Have water tested by
system (water treatment) water treatment company.
5. Too much water Have water tested by water treatment company.
softener (high PH)
6. Too much of a load Check total equipment horsepower required against
horsepower of boiler being used. Decrease amount of
equipment being used at one time.
7. Boiler new (not Clean per instructions in instruction manual.
cleaned)
Boiler Rumbles and 1. Draft problem Check draft with a gauge. Draft should be a -.02” to -.04”
Pulsates W.C. with burner off or -.04” to -.06” when operating. May
need to install a barometric damper.
Boiler pushing water 1. Steam Traps Chech traps. Clean or replace as necessary.
with the steam
2. Too much boiler Dump return tank and flush system. Have water
compound tested by water treatment company.
Pump will not cut off 1. Dirty Probes Clean or replace as necessary.
2. Relay failed Make sure relay is plugged in tightly. If so, replace
water level relay.
3. Ground Connection Check for tightness and clean.
Pump runs but does 1. Vapor locking of pump Allow system to cool down, check steam traps and check
not put water into to be sure return lines are not insulated. Check return tank
boiler temp. If it is above 180°F., (82°C.) vapor locking of pump
will occur. Inspect check valves. Clean and replace as
needed. Replace pump with multistage centrifugal good
for 250°F. (121°C.).
2. Impeller Adjustment Check for impeller wear and adjust per component
information in instruction manual (Burks only).
3. Back pressure on pump Need to install repair kit on pump.
4. Plugged feed water Check and clean or replace as necessary.
nipple
LE Maintenance