Hitachi RAS-25SX8 Manuel De Maintenance page 77

BASIC MODE
MODEL RAS-25SX8, 35SX8
Operation
Stainless plasma air purifying
mode
Basic mode of
the START/STOP
switch
OFF timer
ON timer
OFF → ON
←
timer
AUTO
Activates a "HI" operation regardless of
the room temperature.
HI
Activates a "MED" operation regardless of
the room temperature.
MED
Activates a "LOW" operation regardless of
the room temperature.
LOW
Activates a "SILENT" operation regardless of
the room temperature.
SILENT
Activates only a wind operation at the fan speed
set regardless of the room temperature.
START/STOP switch
Basic mode of
Operation monitor lamp
the temperature
HI
controller
Fan
MED
speed
LOW
HI MED LOW
・Activates a sleep operation after the setting
is made.
Sleep operation
・Activates "sleep operation in progress."
(SLEEP button on)
・SILENT (sleep) operation.
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Dehumidification and Dry cool only by using the operation
Dehumidification,
Cooling
selector button. This doesnot include the dehumidification and
Dry cool
Dry cool by using the quick dehumidification or the Dry cool button.
Start Stop Start Stop
START/STOP button
Operation monitor lamp
START/STOP button
RESERVE button
CANCEL button
Operation monitor lamp
Timer lamp
Remote controller "RESERVED" lit
Timer memory
(OFF timer while stopped)
START/STOP button
RESERVE button
CANCEL button
Operation monitor lamp
Timer lamp
Remote controller "RESERVED" lit
Timer memory
(Reserved time changed) (OFF timer while stopped)
START/STOP switch
RESERVE button
CANCEL button
Operation monitor lamp
Timer lamp
Remote controller "RESERVED" lit
OFF ON ON OFF ON
Timer memory
PM ： 1． 00 PM3 ： 00 PM5 ： 00 PM ： 1． 00 PM3 ： 00 PM5 ： 00 PM ： 1． 00 PM3 ： 00 PM5 ： 00
（OFF → ON timer） （ON → OFF timer） （ON→ OFF timer while operated） (OFF→ ON timer while stopped)
The wind changes from "HI" to "MED" or
The wind changes between "LOW" and "MED" depending
"LOW" depending on the room temperature.
on the room temperature.
Room temperature
Room temperature category
Cooling temperature
setting Category 1
Category 2
ON ON
Thermometer judgment Category 3
OFF
Compressor
HI Category 4
MED
LOW
(The compressor is forcefully stopped for 3 minutes.)
３ '
1. While the compressor is stopped, the indoor unit is
1. A "HI" is produced after the onset of operation until the thermometer is
turned off for the first time. (A "Super-HI" is produced while the cool-dash stopped too.
compressor is operated at the maximum speed.)
2. For the room temperature categories, see the item for
2. The product is stopped while the thermometer is off.
3. A "Super-LOW" is produced if the thermometer does not become turned on
dehumidification operation.
3 minutes after the thermometer is turned off.
A "Super-HI" is produced during cool dash and While the compressor is not stopped, a "HI"
while the compressor is running at its maximum speed. operation is conducted.
A "HI" is produced in all other cases. A "LOW"
is produced while the compressor is stopped.
While the compressor is not stopped, a "MED"
operation is conducted.
Same as left
A "LOW" is produced while the compressor is stopped.
While the compressor is not stopped, a "LOW"
operation is conducted.
Same as left
While the compressor is not stopped, a "SILENT" operation
is conducted.
Same as left
For details, see the basic mode for cooling. For details, see the basic mode for dehumidification and
Dry cool.
・Same as left ・Same as left
・For details, see Cooling "Sleep." ・For details, see Dehumidification and Dry cool "Sleep."
manuals search engine
Heating
(Reserved time changed)
OFF OFF ON
PM ： 1． 00 PM3 ： 00 PM5 ： 00
"Super-LOW," "SILENT", "LOW", "MED", HI,"
"Super-HI," and "Stop" are produced depending on the room
temperature, time, and heat exchanger temperature. If the room
temperature goes below 18 ℃ during a "Super-LOW" operation
other than preheating, the product enters "Stop" mode.
Fan speed
(This is reset at 18.33 ℃ .)
While the compressor is running
Heat exchanger
LOW Other than what is specified
at very slow speed during hot dash
temperature
℃
on the left
４ １ ． ６ ６
LOW
３ ５ ． ６ ６
３ １ ． ６ ６
３ ０ ． ６ ６
MED
２ ５
２ ３
MED
１ ９
１ ８
HI or super-HI (Setting:
room temperature)
MED
LOW
SILENT
"Super-LOW," "LOW", "MED", HI,"
A"Super-HI," and "Stop" are produced depending on the
room temperature and time. If the room temperature goes below
18℃ during a "Super-LOW" operation other than preheating,
the product enters "stop" mode. (This is reset at 18.33℃.) Note
also that the product produces "Super-HI" while the
compressor is running at its maximum speed after hot dash and
defrost reset.
"Super-LOW," "LOW", "MED", and "Stop" are
produced depending on the room temperature and time. If the
room temperature goes below 18℃ during a "Super-LOW"
operation other than preheating, the product enters "stop" mode.
(This is reset at 18.33℃.)
"Super-LOW," "LOW", and "Stop" are produced depending on the room
temperature and time. If the room temperature goes below 18℃ during a
"Super-LOW" operation other than preheating, the product enters "Stop"
mode. (This is reset at 18.33℃.) Note also that the product controls the fan
speed by adjusting the heat exchanger temperature, thereby controlling the
overload as shown in the figure below. Provided that, in "SILENT" mode and
when overloaded, "LOW" is produced.
Heat exchanger temperature
５ ０ ℃
４ ４ ℃
When overloaded
LOW, SILENT
For details, see the basic operation for heating.
・Same as left
・For details, see Heating "Sleep."
Note:
1. For the constants expressed in uppercase alphabet letters in the figure, see the data in PWRITE-ZU.
Automatic
Special automatic (normally not used)
Operation mode
・Judgment is made based on the room temperature and external Special automatic mode is based on automatic mode
air temperature.
with the following differences:
"Cooling": external air temperature ≧ 25 ℃, or 21℃ ≦ external air
temperature ＜ 25℃, and room temperature > 27 ℃
"Heating": external air temperature ＜ 18 ℃, or 18 ℃ ≦external air
temperature ＜ 21 ℃, and room temperature ≦ 23 ℃ Operation mode Mode change during operation
"Dehumidification": 21 ℃ ≦ external air temperature ＜ 25℃, and
room temperature ≦ 27 ℃, or 18 ℃ ≦ external air temperature Automatic At the start of operation, operation mode is
＜ 21 ℃, and room temperature ＞ 23 ℃
set by controlling the room temperature.
32 Special automatic Operation mode is re-judged every hour
31
similarly to what is done at the start of
30
operation.
Cooling
29
(Provided that dehumidification is not
28
conducted.)
27
26
Starting in the state specified below enters the product
Dehumidification
25
into special automatic operation mode.
24
23
＜ Startup condition ＞
22
21
With a telecommunication signal entered, turn on the
20
power. (The product will automatically be activated.)
Heating
19
18
17 ＜ End condition ＞
16
Activating a remote control operation sets the product
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
into usual operation mode.
External air temperature at the start of operation (℃)
Temperature setting for cooling:27 ℃
Cooling
fan speed mode: "AUTO," "LOW", "SILENT"
Temperature setting for dehumidification: Room temperature
at the start of operation fan speed mode: "AUTO,"
Dehumidification
"LOW", "SILENT"
Temperature setting for heating:23 ℃
Heating
fan speed mode: "AUTO" "LOW", "SILENT"
Note (1) The temperature setting can be varied by ±3 ℃ by
using the room temperature control buttons and
.
・Same as left
・This activates the "sleep operation" in each operation
mode.
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