Hitachi RC-AGU1EA0A Manual page 8

FrostWash (Auto Mode) and Fan Reverse (Auto Mode)
How to enable indoor FrostWash (Auto) and Fan Reverse (Auto)
1
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How to disable indoor FrostWash (Auto) and Fan Reverse (Auto)
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2
Note : Frostwash (Auto Mode) and Fan Reverse (Auto Mode) all set and cancel by Temperature Up button
or Down button
Accumulated operating hours of the air conditioner have exceeded 42 hours
Air conditioner is operated for more than 30 minutes and stops, such as cooling operation
Human sensor detects somebody is in room for 15 minutes and over 4 times; or not in room for 15 minutes
Accumulated operating hours of the air conditioner
have exceeded 42 hours
Operation such as
Last FrostWash
cooling operation
Running Stop
15 min
in room
detect human
in room or not in room
When the outdoor temperature or indoor humidity are not suitable for FrostWash operation, only fan operation
●
is carried out, FrostWash operation will be done again when room air conditioner is in standby mode.
Sometimes the heat exchanger may not freeze depending on the conditions of the room.
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When the ON timer reaches the set time during FrostWash operation, it will stop the FrostWash operation
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and start the operation of setting mode.
If the interval of the OFF to ON timer is less than 2 Hours , FrostWash operation may not be complete. In that
●
case, it will restart FrostWash operation when room air conditioner is in standby mode.
To return to normal FrostWash (Auto mode) interval (42 hours), please stop operation of air conditioner and
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operate FrostWash (Auto mode) or FrostWash (Manual mode).
When FrostWash operation has not been operated in last 84 hours , FrostWash kicks in automatically after
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halting the operation even if a human sensor detects a person in the room.
When FrostWash is stopped during FrostWash operation, the unit automatically restart FrostWash operation
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at the next operation stop.
If FrostWash (Auto) and Fan Reverse (Auto)
When FrostWash (Auto) and Fan Reverse (Auto) is enabled,
When FrostWash (Auto) and Fan Reverse (Auto) is disable,
and Frostwash button
FrostWash auto start conditions
About 30 minutes or more
About 8 min
Operation such as
Fan operation
cooling operation
Running Stop
15 min
in room in room
detect human
in room or not in room
- 8 -
FrostWash (Auto) and Fan Reverse (Auto) enable.
FrostWash (Auto) and Fan Reverse (Auto) disable.
combination as above.
FrostWash start
not in room
not in room
not in room
About 15 min
detect human
in room or not in room
in room
15 min
in room
detect human
in room or not in room
is displayed on the LCD.
is disappeared on the LCD.
FrostWash end
120min (max)
FrostWash Auto Stop
FrostWash end
120min (max)
FrostWash Auto Stop