Hitachi RAS-P25YHAB Manual page 5

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OPERATING RANGE
Operation mode
Outdoor temperature
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT INDICATIONS
FROSTWASH LAMP
This lamp lights when frostwash is
working.
Remote LAMP
This lamp lights when Aircloud
Home is Working.
AUTO ON LAMP
This lamp lights when the auto on is set.
TEMPORARY SWITCH
Use this switch to start and stop when the remote
controller does not work.
By pressing the temporary switch, the operation is
done in automatic mode.
When the operation is done using the temporary
switch after the power source is turned off and turn
on again, the operation is done in automatic mode.
CAUTION
Turn off the circuit breaker or pull out
the power plug if the unit is not be
operated for a long period.
If the power stays on and the unit is not operated, power is slightly consumed in the control circuit.
The power is saved by turning off the power switch (or the circuit breaker when the power is supplied
from the outdoor unit).
Cooling / Dehumidifying
-10 to 46°C
- 5 -
Heating
-15 to 24°C
FILTER CLEAN LAMP
This lamp lights during filter
cleaning operation.
OPERATION LAMP
This lamp lights during operation.
The OPERATION LAMP flashes
in the following cases during
heating.
(1)During preheating
For about 2-3 minutes after
starting up.
(2)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.
TIMER LAMP
This lamp lights when the timer is working.
It flashes when some failure is detected .

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