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5.8
Temperature Selection Procedure
44
For energy efficient operation of your water heater, the
suggested initial temperature setting is 49°C.
Condensation does not mean your tank is leaking. Over 40% of
reported tank leaks on installation's are proven to be
condensation. To avoid unnecessary inconvenience and
expense, make sure the tank is leaking before calling a service
person.
WARNING
If the water heater display does not show 'Operational'
in the 'Status' indicator, there may be an operating
malfunction with the water heater. If this is the case, a
numeric code will be displayed. Refer to the label next
to the display for the definition of the error code and call
your plumbing professional or service agent to service
the water heater. Do not try to reset the water heater
without having a qualified service person to diagnose
and correct the problem. If the display is blank or does
not show an error code, make sure there is power to
the water heater.
Setting the water temperature to the maximum setpoint
can result in scalding hot water delivered to the taps. It
is highly recommended that the maximum setpoint be
adjusted to the lowest possible for the needs of the
installation. See following section to change the
maximum setpoint limit (max setpoint). Make sure the
water heater control display is not in a public area that
can result in the temperature settings being improperly
adjusted. See previous warning on scalds and an
ASSE approved mixing valve.
Note
When the maximum setpoint is reached, the display will
show 'Max Setpoint' without the setpoint value. The
maximum setting is equal to approximately 82°C.
The default temperature setpoint from the factory is 21°C.
If the water heater is to remain idle for 30 days or more or is
subjected to freezing temperatures while shut off, the water
heater and piping should be fully drained (See "To Drain the
Water Heater") and the drain valve should be left fully open.
WARNING
Hydrogen gas can be produced in an operating water
heater that has not had water drawn from the tank for a
long period of time (generally two weeks or more).
Hydrogen gas is extremely flammable. To prevent
the possibility of injury under these conditions, we
recommend the hot water faucet to be open for several
minutes at the kitchen sink before you use any
electrical appliance which is connected to the hot water
system. If hydrogen is present, there will be an unusual
sound such as air escaping through the pipes as hot
water begins to flow. Do not smoke or have open
flame near the faucet at the time it is open.
Operating Instructions
5
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