28
Air Supply
Vent
Regular Maintenance
Periodic Inspection
Periodic Maintenance
Regular Maintenance
To prevent burns or scalding, turn off the
Power
button and wait until the appliance cools before
performing maintenance.
WARNING
Check : C
• For abnormal sounds during operation.
• For abnormalities in external appearance,
discoloration or flaws.
Check : D
For proper operation of pressure relief valve.
Check : E
For water leaks from the Water Heater and piping.
Check : F
For blockage at the condensate drain pipe
discharge.
Check
For laundry, newspaper, timber, oil, spray cans and
other combustible materials near the Water Heater
or the exhaust vent terminal.
Water Heater
Remote Controller
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.
Wipe the surface with a wet cloth.
NOTE
• Do not use chlorine-based, acidic,
alkaline detergents, organic solvents
such as benzine and thinner, or
Melamin Sponge to clean the
Remote Controller.; discoloration,
deformation, scratches or cracks may
occur.
• The Remote Controller is not water
resistant. Keep it dry.
Check : A
[When supplying combustion air from the indoors]
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.
Check : B
For dust and soot in the exhaust vent or the
exhaust vent terminal.
NOTE
Do not permanently remove the Inlet
Screen.
Periodic check and maintenance should be
performed once a year by a qualified service
technician to assure that all the equipment is
operating safely and efficiently.
We recommend to make necessary arrangements
with a service contractor.
A
C
F
D
E
B
