Hitachi RAS-50YH4 Service Manual page 46

New Cool Rhythm
Room temperature
Minimum
5min. 5min. Minimum 5min.
Final set temperature
(Cooling/dehumidifying set
temperature
(temperature set by remote
control (+) SHIFTC)
Set temperature during rhythm
(temperature set by remote
control (+) SFTRZM)
Thermo judgment
1 cycle
2.5 sec. 2.5 sec.
5 sec. 5 sec.
Hi
4.5 sec. 2.5 sec.
Lo
Indoor
See basic operation.
Rhythm Med
fan
Rhythm Lo
Med
Outdoor fan
Lo
Notes:
(1) New cool rhythm is engaged when the fan speed is "auto" and the room temperature is less than
set one plus 0.66˚C in the "auto" operation mode or cooling mode.
(2) The minimum new cool rhythm time is 10 minutes when the temperature falls and rises.
(3) Cool rhythm is not engaged during Nice temperature, Sleep operation.
(4) Pl control is engaged during new cool rhythm: the speed limit is the same as during normal operation.
(5) The new cool rhythm set temperature is also shifted during thermo OFF.
Minimum Minimum Minimum
5min. 5min. 5min. 5min. 5min. Minimum 5min. 5min. 5min.
Thermo OFF
15 sec.
Lo
Reverse cycle period
MAX. 12min.
3000 min–1 fixed
Cooling Sleep Operation
Final set temperature
(Cooling/dehumidifying set
temperature (+) sleep shift)
(Cooling/dehumidifying set
0.5hr 1.5hr
temperature = Remote control set
temperature (+) SHIFTC)
3hr
Set to 7 hours
Sleep key
Operation lamp
Timer lamp
Hi
Indoor fan
Med See basic operation
Lo (sleep)
Outdoor fan
Lo
Horizontal air
Shut
deflector
Horizontal
Facing down
Notes:
(1) The sleep operation starts when the sleep key is pressed.
(2) When the sleep key is set, the maximum compressor speed is limited, and the indoor fan is set to "sleep Lo".
(3) 30 minutes after the sleep key is set, the sleep shift of temperature starts, and upper shift is made at least 6 times. If 25˚C
is not reached after 6 shifts, shifts repeat unit 25˚C is reached.
(4) The sleep shift upper value of set temperature is 28˚C.
(5) After 6 hours, a shift down to the initial set temperature is made at a rate of 0.33˚C/5 min.
(6) If the operation mode is changed during sleep operation, the set temperature is cleared, and shift starts from the point when
switching is made.
(7) The indoor fan speed does not change even when the fan speed mode is changed.
(8) When operation is stopped during sleep operation, the set temperature when stopped, as well as the time, continue to be
counted.
(9) If the set lime is changed during sleep operation, all data including set temperature, time, etc. is cleared and restarted.
(10) If sleep operation is canceled by the cancel key or sleep key, all data is cleared.
2.5hr 3.5hr 6hr 7hr
Maximum speed
P1
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