Regular Maintenance; Periodic Inspection; Periodic Maintenance - Noritz NC1991-OD Owner's Manual

Regular Maintenance-1

CAUTION
To revent burns or scalding, turn off the ower button and wait until the
e ui ment cools before erforming maintenance.
Be sure to do.
or laundry, news a er,
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timber, oil, s ray cans
and other combustible
materials. near the heater
or the flue terminal.
or abnormal sounds
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during o eration.
or abnormalities in
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external a
discoloration or flaws.
or ro er o eration of
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ressure relief valve.
E uipment
i e the outside surface with a wet cloth, then dry the surface.
Remote Controller
i e the surface with a wet cloth.
• o not use ben ene, oil or fatty detergents to clean the remote controller;
deformation may occur.
• The remote controller is not water resistant. ee it dry.

Periodic Inspection

earance,

Periodic Maintenance

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the exhaust vent or
the flue terminal.
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e ui ment and i ing.
x. C1 1
se a neutral detergent to clean any stains.
or dust and soot in
or water leaks from the
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