Hitachi RAS-50FH5 - New Cool Rhythm; Cooling Sleep Operation; Cooling Defrost

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Room temperature
(Cooling/dehumidifying set
temperature
(temperature set by remote
control (+) SHIFTC)
Set temperature during rhythm
(temperature set by remote
control (+) SFTRZM)
Final set temperature
Thermo judgment
Indoor
fan
Outdoor fan
m
h
tyh
r
lo
oc
we
N
de
ep
s
r
os
ser
pm
o
C
Hi
5 sec. 5 sec.
1 cycle
2.5 sec. 2.5 sec.
Thermo OFF
2.5 sec.
4.5 sec.
Lo
Rhythm Med
See basic operation.
Lo
15 sec.
Lo
Rhythm Lo
Med
Minimum
5min.
Minimum 5min. Minimum 5min.
5min.
Minimum
5min.
5min.
Minimum
5min.
5min.
Minimum
5min.
5min.5min.
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.
New Cool Rhythm
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.
Cooling Sleep Operation
de
e
ps rosse
r
pmoC
Horizontal air
deflector
Shut
Horizontal
Facing down
Maximum speed
Indoor fan
Outdoor fan
Timer lamp
Operation lamp
Sleep key
(Cooling/dehumidifying set
temperature = Remote control set
temperature (+) SHIFTC)
Final set temperature
(Cooling/dehumidifying set
temperature (+) sleep shift)
Set to 7 hours
0.5hr 1.5hr
3hr
P1
2.5hr 3.5hr 6hr 7hr
Hi
See basic operation
Med
Lo (sleep)
Lo
Reverse cycle period
MAX. 12min.
3000
min–1
fixed
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