User Guide

1 Maintenance schedule
6
Maintenance procedures
Appliance must be serviced and maintained
 WARNING
The appliance must be inspected and
started annually at the beginning of the
heating season by a qualified service
technician. In addition, the maintenance
and care of the appliance designated on
page 5 of this manual and explained on
pages 6 through 7 must be performed to
assure maximum appliance efficiency and
reliability. Failure to service and maintain
the appliance and system could result in
equipment failure, causing possible severe
personal injury, death, or substantial
property damage.
NOTICE
The following information provides
detailed instructions for completing
the maintenance items listed in the
maintenance schedule on page 5. In
addition to this maintenance, the
appliance must be serviced and started up
at the beginning of each heating season by
a qualified service technician.
Check appliance area
 WARNING
To prevent potential of severe personal
injury, death, or substantial property
damage, eliminate all materials discussed
below from the appliance vicinity and the
vicinity of the appliance combustion air
inlet. If contaminants are found:
Remove products immediately from the
area. If they have been there for an
extended period, call a qualified service
technician to inspect the appliance for
possible damage from acid corrosion.
If products cannot be removed,
immediately call a qualified service
technician to re-pipe vent and air piping
and locate vent termination/air intake
away from contaminated areas.
1. Combustible/flammable materials -- Do not store
combustible materials, gasoline or any other flammable
vapors or liquids near the appliance. Remove
immediately if found.
2. Air contaminants -- Products containing chlorine or
fluorine, if allowed to contaminate the appliance intake
air, will cause acidic condensate in the boiler. This will
cause significant damage to the boiler if allowed to
continue.
 WARNING
Failure to inspect the vent system as noted
above and have it repaired by a qualified
service technician can result in vent system
failure, causing severe personal injury or
death.
Check vent piping
1. Visually inspect the vent piping to be sure it is
unobstructed. Inspect the entire length of the vent
piping to ensure piping is intact and all joints are
properly sealed.
2. Call your qualified service technician if you notice any
problems.
Check relief valve
1. Inspect the appliance relief valve and the relief valve
discharge pipe for signs of weeping or leakage.
2. If the relief valve often weeps, the expansion tank may
not be working properly. Immediately contact your
qualified service technician to inspect the appliance and
system.
 WARNING
Follow the service and maintenance
procedures given throughout this manual
and in component literature shipped
with the appliance. Failure to perform
the service and maintenance could result
in damage to the appliance or system.
Failure to follow the directions in this
manual and component literature could
result in severe personal injury, death, or
substantial property damage.
Test low water cutoff (if installed)
1. If the system is equipped with a low water cutoff, test the
low water cutoff periodically during the heating season,
following the low water cutoff manufacturer’s
instructions.
Reset button (low water cutoff)
1. Testing the low water cutoff shuts the unit off. Press the
RESET button on the low water cutoff to turn the unit
back on.
User’s Information Manual