Regular Maintenance
CAUTION
[When supplying combustion air
from the indoors]
For smear or blockage
Check
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,
Check
timber, oil, spray cans
and other combustible
materials near the heater
or the exhaust vent
terminal.
For water leaks from the
Check
equipment and piping.
For blockage at the
Check
drain pipe discharge.
Equipment
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.
Remote Controller
Wipe the surface with a wet cloth.
deformation may occur.
22
Periodic Inspection
To prevent burns or scalding, turn off the power
button and wait until the equipment cools before
performing maintenance.
Be sure to do.
air supply vent
(Ex. EN18WI30LS)
Periodic Maintenance
For dust and soot in
Check
the exhaust vent or
exhaust vent terminal.
For abnormal sounds
Check
during operation.
For abnormalities in
Check
external appearance,
discoloration or flaws.
For proper operation of
Check
pressure relief valve.