NRC111 Owner's Guide

21
Periodic Maintenance
Wipe the outside surface with a wet cloth, then dry the surface. Use a neutral detergent to clean any stains.
If an external condensate neutralizer is installed, periodic replacement of the neutralizing agent will be required.
Refer to the instructions supplied with the neutralizer for suggested replacement intervals.
• Do not use benzene, oil or fatty detergents to clean the remote controller;
deformation may occur.
• The remote controller is water resistant but not water proof. Keep it as dry as possible.
Regular Maintenance-1
Periodic Inspection
Equipment
Remote Controller
Wipe the surface with a wet cloth.
Be sure to do.
To prevent burns or scalding, turn off the power button and wait until the
equipment cools before performing maintenance.
CAUTION
Check
For abnormal sounds
during operation.
For abnormalities in
external appearance,
discoloration or aws.
For water leaks from the
equipment and piping.
For dust and soot in
the exhaust vent or
exhaust vent terminal.
Check
Check
Check
Check
For blockage at the
drain pipe discharge.
Check
(Ex. NRC1111-DV)
Check
[When supplying combustion air
from the indoors]
For proper operation of
pressure relief valve.
Check
For smear or blockage
with dust, oil, etc. at the
air supply vent.
If blocked, remove the
build-up with a vacuum
cleaner or damp towel.
* Do not permanently remove the Inlet Screen.
For laundry, newspaper,
timber, oil, spray cans
and other combustible
materials. near the
heater or the exhaust
vent terminal.
air supply vent