Dehumidifying; Dehumidifying Sleep Operation - Hitachi RAF-50FX8 Service Manual

Dehumidifying

Room temperature judgement
Room temperature
Dehumidifying
preset
temperature
Fan speed set to "Lo"
Start / Stop switch
Operation lamp
Thermostat judgement
Hi
5min. OFF / 1min. ON
Med
Indoor fan
Lo
15sec.
Silent Sleep
Outdoor fan
Reversing valve
1min.
STARCPL
SDMAX SDMAX SDMAX
SDRPM
Notes:
(1) The indoor fan is operated in the "Lo" or "Silent" mode, OFF for 5 minutes and ON for
1 minute, repeatedly according to the humidity judgement when the thermostat is turned
OFF.
(2) When the operation is started by the thermostat turning ON, the start of the indoor fan
is delayed 32 seconds after the start of compressor operation.
(3) The compressor is operated forcedly for 3 minutes after operation is started.
(4) The minimum ON time and OFF time of the compressor are 3 minutes.
32sec.
15sec.
1min.

Dehumidifying Sleep Operation

0.5 h r
Set to 2 hours
Sleep key
Operation lamp
[SLEEP] on the remote
controller is lit
Timer lamp
Hi
Med
Indoor fan
Lo
See basic operation
Silent
Sleep
Lo
Outdoor fan
Facing up
Vertical air
Horizontal
deflector
Shut
Compressor speed
Notes:
(1) The sleep operation starts when the sleep key is pressed.
(2) When the sleep key is set, the indoor fan is set to "Sleep Silent" (FDOY).
(3) If the operation mode is changed during sleep operation, the set tempera-
ture is cleared, and shift starts from the point when switching is made.
(4) The indoor fan speed does not change even when the fan speed mode is
changed.
(5) When operation is stopped during sleep operation, the set temperature
when stopped, as well as the time, continue to be counted.
(6) If the set time is changed during sleep operation, all data including set
temperature, time, etc. is cleared and restarted.
(7) If sleep operation is canceled by the cancel key or sleep key, all data is
cleared.
(8) The indoor fan is stopped while the thermo is OFF during sleep operation.
(9) There is no preset temperature shift due to time elapse.
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