Maintenance - Rinnai RUS-51FT Instructions Manual

Gas instantaneous water heater
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MAINTENANCE

External
Wipe the front cover with a soft cloth. If it is dirty, use a cloth with a medium strength deter-
gent. Do not use thinner, petroleum, cleanser, or a scrubbing brush to clean the unit as it may
rub off printing or labels, or cause scratching.
Internal
1.
The unit should be checked regularly (about once every 2 years) to ensure long-term
use.
2.
An overhaul by an appropriate serviceman is recommended if the unit gets extremely
dirty.
3.
This unit is suitable for domestic use. If it is used heavily (eg In a cafe) ensure frequent
check-ups for the unit.
If the Water Filter is blocked
If there is insufficient water flowing while the water supply valve is open, clean the filter.
1.
Close the water supply valve.
2.
Turn to the left to remove the water filter screw.
3.
Wash with water, taking any large pieces of rubbish out by hand.
4.
Replace the water filter.
5.
Run the water to confirm there are no leaks.
14

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