Mr. Heater TS125KT Operations Instructions download pdf (Page 6)

70277 Rev. C 04/07

MAINTENANCE AND STORAGE

WARNING. To prevent personal injury, unplug the heater

from the wall outlet before servicing.

For maximum efficiency and trouble-free service, make the

following periodic maintenance, cleaning and inspections.

DAILY SCHEDULE

1. GENERAL. Make general visual inspection of heater for

loose or damaged parts. Check nuts and bolts to insure

against looseness caused by vibration or rough handling.

Damaged parts should be repaired or replaced before using

heater again. Check heater operation to be sure it is

operating normally (See "Servicing" section for description

of normal operation).

2. FILTERS. Dirty air or fuel filters will cause an imbalance in

the air-fuel mixture. The best indication that this condition

exists is an increase in odors or difficulty getting your

heater to ignite. This heater should never be operated

without the filters in place. If required, clean filters as

described under "500 Hours" and "Annual Schedules".

500 HOUR SCHEDULE

1. AIR INTAKE FILTER. Remove and wash the filter element

with a mild detergent, dry thoroughly and replace. Do not

oil the filter element. If your heater is used where there is

considerable dust or dirt, clean as often as necessary

(approximately every 50 hrs.).

2. REMOVE DUST. Clean heater twice a season (more often

under dusty conditions). Remove accumulated dust from

the transformer, burner, motor and fan blades with

compressed air. Wipe area clean with a clean dry cloth.

Inspect area to insure all foreign materials are removed,

especially around the burner and combustion area.

3. CAD CELL. Clean the glass portion of the cad cell with a

soft dry cloth.

4. NOZZLE. Accumulation of dirt from fuel and carbon from

the compressor vanes will eventually fill up the passages in

the nozzle, resulting in reduction of fuel and air flow.

Pressure will gradually increase giving improper fuel-air

mixture and excess odor and smoke. If this occurs, replace

the fuel nozzle.

5. FUEL TANK. Clean twice a season (during frequently used

periods, clean twice a month). Drain and flush the fuel tank

with clean fuel oil.

ANNUAL SCHEDULE

1. AIR OUTPUT FILTER. Remove the air output filter and tap

the contaminated side gently on a solid object to remove

contaminates. Compressed air or liquids should not be used

to clean this filter. Reinstall cleaned filter in filter body in

the same position as it was when removed. If the filter

appears extremely dirty, replace it with a new filter of the

same type. When replacing the filter cover, be sure the

gasket is firmly in place and the screws in the filter cover

are tight to prevent air leaks.

2. FUEL FILTER. Remove the fuel filter from fuel line and direct

compressed air through the filter in the opposite direction

of fuel flow. Safety glasses should be worn when using

compressed air.

3. AIR AND FUEL LINES. If the air or fuel lines are removed

during cleaning, be sure all connections are tight before

operating unit.

4. AIR PRESSURE SETTING. The air pressure has been properly

set at the factory. If the air pressure is out of adjustment, it

will most likely be caused by dirty air filters, a partially

plugged nozzle, an air leak in the system or improperly set

pressure. If adjustment becomes necessary, first determine

the proper pressure setting for your heater which is printed

on the serial label located on the fuel tank. With a full fuel

tank, remove the plug (part #33 from the exploded-view

drawing on page 9) from the air filter cover and attach a 0 -

15 PSI pressure guage. Start the heater and note the

pressure reading. If the pressure is low, slowly turn the

pressure adjusting screw in (Clockwise) until the correct

pressure is obtained. If the air pressure is high, turn the

adjusting screw out (counterclockwise) until the pressure is

correct. When correct pressure is reached, unplug the

heater, remove the gauge and replace the plug.

Enerco Group, Inc. | Kerosene Forced Air Heater Operating Instructions and Owner’s Manual

STORAGE

Store the heater in a dry location free from fumes or dust.

At the end of each heating season, clean the heater as described

in the MAINTENANCE section. Drain and flush the fuel tank with

clean fuel. The manufacturer recommends completely filling the

tank with fuel for extended storage to minimize condensation

inside the tank.

SERVICING

A hazardous condition may result if a heater is used that has

been modified or is not functioning properly.

When the heater is working properly:

* The flame is contained within the heater.

* The flame is essentially yellow.

* There is no strong disagreeable odor, eye burning or other

physical discomfort.

* There is no smoke or soot internal or external to the heater.

* There are no unplanned or unexplained shut downs of the

heater.

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Mr. Heater TS125KT Operations Instructions Page 6

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