12LRN
2 – 9
1.17. Difference of op era t io n in Au to and Manu a l modes
In the Auto mode, the temperature setting is automatically determined based on the outside air temperature. In addition, the air to air heat pump oper-
ation differs from the operation in the Manual mode as explained below.
1.17.1 Difference relating to set temperature
1.18. Dehum id ify ing operation control
If the room temperature is 26C or higher when dehumidifying opera-
tion starts, the dehumidifying operation provides a low cooling effect in
accordance with the room temperature setting automatically deter-
mined based on the outside air operation. (The setting value is the
same as the set temperature for cooling operation in the auto mode.)
If the room temperature is lower than 26C when dehumidifying opera-
tion starts, the dehumidifying operation minimizes the lowering of the
room temperature.
1.19. Self Clean operation
Heating or Fan operation and Cluster operation are performed simulta-
neously.
The judgment of whether Heating or Fan operation is used is based on
the outside air temperature at 3 minutes after the start of internal
cleaning.
The operation stops after 40 minutes.
1.20. Plasmacluster Ion fun ction
Plasmacluster lon generator inside the air conditioner will release pos-
itive and negative plasmacluster ions into the room. Plasmacluster
ions released into the air will reduce some airborne mold.
1.21. Hot kee p
If the room temperature is in the Hot keep zone during heating, the
compressor is turned off to prevent overheating.
1.22. Winter cool
Cooling operation is available during the winter season by the built in
winter cool function.
Lower limit of outdoor temperature range is -10C DB.
When the outside air temperature is low, the outdoor unit fan operates
at slower speed.
NOTE: Built-in protect device may work when outdoor temperature
falls below 21C DB., depending on conditions.
1.23. Auto restart
When power failure occures, after power is recovered, the unit will
automatically restart in the same setting which were active before the
power failure.
1.23.1 Operating mode (Cool, Heat, Dry)
• Temperature adjustment (within 2C range) automatic operation
• Temperature setting
• Fan setting
• Air flow direction
• Power ON/OFF
• Automatic operation mode setting
• Swing louvre
• Plasmacluster mode
1.23.2 Setting not memorized
• Timer setting
• Full power setting
• Self clean setting
1.23.3 Disabling auto restart function
By removing (cutting) jumper 8 (JP8) on the printed circuit board
(PCB), the auto restart function can be disabled.
1.24. Heat only mode.
Auto mode Manual mode
Cooling Heating Dehumidifying Cooling Heating Dehumidifying
Temperature
setting
method
Automatic temperature setting based on outside air tem-
perature. Can be changed within 2C using remote con-
trol.
Can be changed
between 18 and 32C
using remote control.
Can be changed
between 18 and 32C
using remote control.
Automatic setting.
Can be changed
within 2C.
ZONE COM-
PRESSOR
FA N
Hot keep (When
room temperature
reaches setting tem-
perature)
OFF
AUTO
Ultra soft
(Lower than Fan
speed “soft”)
SOFT
LOW
HIGH
Keep the setting
Heating operation Fan operation
24
O
C
Outside air temperature
0.6
O
C
Set temperature
Hot keep zone ٕ
When㩷heat only mode, cut the JP2 jumper
cool䋯heat mode䊶䊶䊶䊶䊶䊶JP2 connected
heat only mode 䊶䊶䊶䊶䊶䊶䊶JP2 cut
㪤㪘㪠㪥㩷㪧㪅㪮㪅㪙㪅
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