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It's recommended to clean the air filter
located on the top of the water heater
every 3 months. Clean it with mild
detergent and water, then dry and install it
back. To remove the filter, lift and slide it to
the front of the unit, and to replace it,
lower it into the filter slot on top of the unit
(see Figure 25).
Figure 25
Filter
Handle
Ensure unobstructed condensate flow, clear
blockages if necessary. Pour a cup of bleach
into the condensate drain access opening at
least once a year to eliminate any algae, mold,
or mildew that may have developed in the
pipe.
Sediments suspended in water can accumulate
at the bottom of a water heater's tank, often
due to hard water. To prevent this buildup, it's
recommended to drain a few quarts of water
from the tank every month.
When water-using appliances with solenoid
valves close rapidly, it may cause a hammering
effect / noise in the water pipes. To minimize
this issue, you can use strategically placed ris-
ers in the water pipe system or employ water
hammer arresting devices.
Rinnai Electric Heat Pump Water Heater Manual
Horizontal
Refer to the Hydrogen Gas Caution in the
Air Filter
Operating Instructions.
Change the mode of operation to "VACATION"
if water heater not in use for a long time, to
save energy and avoid hydrogen gas build-up.
In case of unit shut down, drain the water
heater and pipes to prevent damage from
freezing. Have a professional inspect the
heater after a long shutdown and ensure its
fully refilled before use.
Avoid removing the anode rod from the
water heater as it shortens the tank's
lifespan and voids the warranty. The anode
rod is designed to reduce corrosion in the
glass-lined tank and is slowly consumed.
High sulfate/mineral content in water can
cause a rotten egg smell and chlorination of
the water supply can reduce this.
This water heater is equipped with an anode
rod engineered to extend the longevity of the
glass-lined tank. The anode rod undergoes
gradual consumption, effectively preventing
or reducing corrosion of the glass-lined tank.
It is recommended to replace anode rod
every 5 years (IMPORTANT: life of the
anode rod depends on the water usage and
quality. It may need to be replaced earlier
than recommended time).
NOTICE
NOTICE
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