Noritz EZTR40 - Regular Maintenance Inspections

21
Regular Maintenance-1
Periodic Inspection
- To prevent burns or scalding, turn off the power button or power supply and
wait until the unit cools before performing maintenance.
CAUTION
Be sure to do.
Check
For laundry, newspaper,
timber, oil, spray cans
and other combustible
materials near the heater
or the exhaust vent
terminal.
For abnormal sounds
during operation.
For abnormalities in
external appearance,
discoloration or aws.
For water leaks from the
unit 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
Check
Check whether or not the
air inlet lter is clogged
with dust, trash or the like.
If clogged, remove the
build-up with a vacuum
cleaner.
* Do not permanently remove the Inlet lter.
- Do not remove the air inlet lter.
If it is removed or damaged, please contact Noritz America.
Damage caused by operating the water heater without the air inlet lter is not
covered under warranty.
For proper operation of
pressure relief valve.
Check
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