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SlimFit
™
commercial condensing gas
Maintenance procedures — DAILY
DAILY MAINTENANCE
Check the boiler area
To prevent potential of severe personal injury, death or substantial
eliminate all materials discussed below
property damage,
from the boiler vicinity and from the vicinity of boiler combustion
air inlet. If contaminants are found:
•
Immediately remove products from the area. If they have been
there for an extended period, call a qualified service technician
to inspect the boiler 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.
Combustible/flammable
materials
Do not store combustible materials, gasoline or any other flammable
vapors or liquids near the boiler. Remove immediately if found.
Air contaminants
Products containing chlorine or fluorine, if allowed to contaminate
the boiler intake air, will cause acidic condensate in the boiler. This
will cause significant damage to the boiler if allowed to continue.
Read the list of potential materials listed on page 8 of this manual.
If any of these products are in the room from which the boiler
takes its combustion air, they must be removed immediately or the
boiler combustion air (and vent termination) must be relocated to
another area.
Check the pressure/temperature gauge
1. Make sure the pressure reading on the boiler pressure/tempera-
ture gauge is no higher than the 5 psig less than the relief valve
setting.
2. Contact a qualified service technician if pressure is too high.
DIRECT EXHAUST installations:
Verify combustion air openings are
clear and flue is unobstructed
1. DIRECT EXHAUST INSTALLATIONS (air supplied to the
boiler from inside)
a. Visually inspect all combustion air openings.
b. Remove any debris or blockage from combustion air louvers.
The combustion air openings must be unobstructed.
This is the means for combustion and ventilation air to
be drawn into the boiler room.
Failure to provide proper combustion air can result in
severe personal injury, death or substantial property
damage.
10
-
fired water boiler
2. Verify that boiler vent discharge is clean and free of obstructions.
3. Remove any debris on the flue exhaust openings.
4. If removing the debris does not allow the boiler to operate cor-
rectly afterwards, contact your qualified service technician to
inspect the boiler and vent/air systems.
MONTHLY MAINTENANCE
Perform DAILY procedures plus the
following additional procedures . . .
Check vent piping
1. Visually inspect the flue gas vent piping for any signs of blockage,
leakage or deterioration of the piping. Notify your qualified service
technician at once if you find any problem.
Failure to inspect the vent system as noted above and
have it repaired by a qualif Ied service technician can
result in vent system failure, causing severe personal
injury or death.
Check air piping
(DIRECT VENT installations)
1. Visually inspect the air inlet to be sure it is unobstructed. Inspect
entire length of air piping to ensure piping is intact and all joints
are properly sealed.
2. Call your qualified service technician if you notice any problems.
Check the relief valve
1. Inspect the boiler 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 boiler and system.
Check the condensate drain system
1. While the boiler is running, check the discharge end of the con-
densate drain piping. Make sure no flue gas is escaping from the
condensate drain tubing by holding your fingers in front of the
opening.
2. If you notice flue gas escaping, this indicates a dry condensate
drain trap. Call your qualified service technician to inspect the
boiler and condensate line and refill the condensate trap if problem
persists regularly.
Under some circumstances a SlimFit vent system
may not produce enough condensate to keep the
condensate trap full of liquid. If the trap is not full,
small amounts of flue products can be emitted into the
boiler room through the condensate drain line or tee.
A qualified service technician must service the
boiler to properly refill the condensate trap
— User's Manual
Part number 550-100-117/0714
.
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