Reznor RA 140 Guide de dépannage télécharger pdf (Page 47)

Form I-RA/D 140/235 (Version A), Mfg No. 110318 Rev 3, Page 47

Troubleshooting

Continued

Is there sufficient oil

in the supply tank?

Is the pump turning?

Is the vacuum

gauge reading over

10" hg?

Check/clean oil pump

filter, foot valve, and

foot valve strainer.

Disconnect oil supply line at

the pump. Establish constant

pump operation. See

Check-Test-Start "Priming &

Oil Leaks".

Is the oil flow rate

approximately 2.1 oz per

minute for Size 140 or 3.6 oz per

minute for a Size 235?

Reconnect oil supply line and bleed oil from

burner tee bleeder.

Is the

flow adequate?

Start the heater.

Check for proper

operation.

Is the supply

line blocked?

Is the oil flow in the

aluminum oil pre-heater

blocked?

Dissassemble and

clean the aluminum

oil pre-heater.

Is the burner

tee strainer

blocked?

Remove and

clean the srainer.

Does the fuel

valve open when

energized?

Is there oil

flowing in the return

line?

Replace the relief

valve.

Start the unit.

Check for proper

operation.

Replace the fuel

valve.

Clear blockage or

replace line.

Replace the fuel

pump.

Check pump and motor

drive components and set screws.

Are they OK?

Is there line

voltage across motor

leads?

Replace fuel

pump motor.

Check wiring and

connections.

Replace

or repair.

Fill oil

tank.

YES

YESNO YES

YES

YES NO

YESNO

YES

Chart No. 7 - Oil Delivery System

CAUTION: If the heater will be shut down for a long

period, turn off the electric power.

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Reznor RA 140 Guide de dépannage Page 47

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