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Note: The heat pump may not turn on after having just completed a heating
cycle and more hot water is drawn from the water heater. The heat pump will
wait until the compressor has cooled down and the conditions for start up are
favourable, in order to protect the compressor from damage. This may take up
to 90 minutes from the last heating cycle.
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
We recommend you leave the water heater switched on in the event of freezing
conditions occurring (refer to
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:
Switch off the electrical supply at the isolating switch to 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 warranty (refer
"Warranty Exclusions"
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 (refer to the "Draining
The Water Heater" section in the Owner‟s Guide and Installation Instructions
supplied with the heat pump storage tank).
"Freeze Protection"
on page 39).
33
COMMISSIONING
on page 6).
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