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It is important to wait for five minutes after the heat pump has activated to ensure it continues to operate and
is functioning correctly.
Explain to the householder or a responsible officer the functions and operation of the heat pump water heater.
Upon completion of the installation and commissioning of the water heating system, leave this guide with the
householder or a responsible officer.
TO TURN OFF THE WATER HEATER
If it is necessary to turn off the water heater on completion of the installation, such as on a building site or
where the premises are vacant, then:
•
Turn the water heater off at the Display Panel.
•
Switch off the electrical supply at the water heater isolating switch on the switchboard and at the isolating
switch at the water heater.
•
Close the cold water isolation valve at the inlet to the water heater.
Notes
•
The freeze protection system will be rendered inoperable if electrical power is not available at the water
heater.
•
Damage caused by freezing due to the unavailability of power at the water heater is not covered by the
Rheem warranty.
"Terms of the Rheem Warranty"
Refer to
•
If the power has been switched off to the water heater and there is a risk of freezing, then it is necessary
to drain the water heater.
"Draining The Water Heater"
Refer to
Warning: Exercise care, as water discharged from the water heater may be of a very high temperature.
To drain the water heater:
•
Turn off the water heater.
"To Turn Off The Water Heater"
Refer to
•
Close all hot water taps.
•
Operate the relief valve lever - do not let the lever snap back or you will damage the valve seat. It is very
important the lever is raised and lowered gently.
Operating the lever will release the pressure in the water heater.
•
Undo the union at the cold water inlet to the water heater and attach a hose to the water heater side of
the union.
Let the other end of the hose go to a drain.
•
Open the relief valve by holding the lever in the raised position.
This will let air into the water heater and allow the water to drain through the hose.
on page 4.
on page 43.
DRAINING THE WATER HEATER
on page 43.
43
COMMISSIONING
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