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9
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Operation mode and function
COOL
: Cools the fresh air and sends it into the room
HEAT
: Heats the fresh air and sends it into the room
FAN
: Sends the fresh air as it is
The fresh air intake unit controls temperature of the supply air so that it is close to the setup temperature of the
remote controller.
However temperature of the supply air may not be close to the setup temperature according to temperature of the
outdoor/suction air of the operation condition of the indoor units for air conditioning in one line.
REQUIREMENT
• The air conditioner with the fresh air intake unit connot control the room temperature.
• For control of the room temperature, an indoor unit for air conditioning is required separately.
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Use conditions
• In COOL mode, if temperature of the outdoor/suction air is under the setup temp. +3°C, FAN status is
automatically made.
When temperature of the outdoor/suction air is under 19°C, FAN status is also made regardless of the setup
temperature.
• In HEAT mode, if temperature of the outdoor/suction air is over the setup temp. -3°C, FAN status is automatically
made.
When temperature of the outdoor/suction air is over 15°C, FAN status is also made regardless of the setup
temperature.
°C
-10 0 10 20 30 40 50
°C
-10
(*1)
0 10 20 30 40 50
5
REQUIREMENT
• In “COOL” or “FAN” mode, if temperature of the outdoor/suction air is under 5°C, the operation stops
automatically in order to protect the equipment.
In this case, continue the operation by selecting “HEAT” mode.
• In “HEAT” mode, if temperature of the outdoor/suction air is under -10°C (*1) the operation stops automatically
in order to protect the equipment.
When operating the fresh air intake unit with the outdoor/suction temperature under -10°C (*1), make sure to
control over -10°C (*1) using a duct heater (locally procured).
For details, consult the dealer which you purchased the air conditioner.
*1 : In the case of combining with SMMS-u outdoor unit, the temperature capable of operating is -10°C or more.
In the case of combining with outdoor unit other than SMMS-u, the temperature capable of perating is to -5°C
or more.
outdoor/suction
air temp.
outdoor/suction
air temp.
COOL mode
FAN
COOL
HEAT
FAN
HEAT mode
Setup temp
Setup temp
Setup temp. +3°C
Setup temp. -3°C
Automatic COOL
operation starts
Automatic HEAT
operation starts
5
OFF timer operation
OFF timer : The indoor unit stops when the set time is reached.
1,3 2
1
OFF timer button
Push the OFF timer button during air conditioning operation.
• “
” and “OFF” light and “SETTING” and timer indicator
fl
ash.
2
Select the OFF timer time
Push the setting button to set the time.
• The OFF timer time can be set to 0.5h (30 min), 1h, 2h, … up to 24h.
• If you do not push any button for 30s, the OFF timer setting will be cancelled.
3
Push the OFF timer button
“SETTING” disappears, the timer indicator changes from
fl
ashing to lighting, and the OFF timer starts.
• The timer indicator on the OFF timer operation is displayed with countdown.
■
Cencelling the timer
1
Push the OFF timer button.
The timer indicator disappears.
NOTE
• Even if air conditioning is turned on or off with the ON/OFF button during OFF timer operation, the OFF timer
operation continues.
17-EN
18-EN
