Standard Operation - Hitachi TAW-270NH2A Operation Manual

Sanitary hot water heat pump
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OPERATION

STANDARD OPERATION

O
Time required to reach the set water temperature depends on water temperature, outside temperature
and other factors.
O
When the water temperature and outside temperature are low and heating the water takes time, the
electric, heater is automatically set to auxiliary operation to heat the water within eight hours.
(*1) Depending on the operating conditions, it may take longer than eight hours.
(Water temperature; <5°C, setting temperature; >55°C)
(*2) The ECO mode will not reduce the time it takes to heat the water.
1
Press the
button.
The
indicator will light and operation starts.
OPERATING PROCEDURES
(1)
When the water temperature is lower than hot water temperature setting,
heating operation will start.
The
indicator lights during heating operation.
The
indicator blinks during defrosting.
Defrosting will be performed about once an hour when frost forms on the
heat exchanger of the outdoor unit, for 5-10 minutes each time.
(2)
The heating operation stops when the water temperature reaches the hot
water temperature setting.
The
indicator goes off.
STOPPING
Press
button when the
Heating stops and the
indicator is lit.
indicator goes off.
– 11 –

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Raw-25nh2a

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