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IDU set
Parameter name
item
Set od.temp.value(aux
heater on)
Set outdoor temp. when
the third-party heater
works separately
IDU
setting
Upper limit of automatic
fan speed in cooling mode
Upper limit of automatic
fan speed in heating mode
Air flow setting at fan speed 7
Fan
speed
setting
Fan speed setting in
heating standby mode
Time to stop the fan of
IDU in heating mode
(Thermal)
Parameter range
Celsius: -5 to 20
Fahrenheit: 23 to 68
00/01/02/03/
04/05/06/07/
08/09/10/11/
12/13/14/15/
16/17
04/05/06/07
04/05/06/07
00/01
00/01/14
00/01/02/03/04/
FF
73
Remarks
1℃ or 1℉
00: No limit; 01: -16°C/4°F;
02: -14°C/7°F; 03: -12°C/10°F;
04: -9°C/15°F; 05: -7°C/20°F;
06: -4°C/25°F; 07: -1°C/30°F;
08: 2°C/35°F; 09: 4°C/40°F;
10: 7°C/45°F; 11: 10°C/50°F;
12: 13°C/55°F; 13: 16°C/60°F;
14: 18°C/65°F; 15: 21°C/70°F;
16: 24°C/75°F; 17: 27°C/80°F
04: Speed 4; 05: Speed 5;
06: Speed 6; 07: Speed 7
04: Speed 4; 05: Speed 5;
06: Speed 6; 07: Speed 7
00: Constant speed;
01: Constant air flow
00: Thermal; 01: Speed 1;
14: Fan speed before going to
standby mode
00: Fan on; 01: 4 min;
02: 8min; 03: 12min;
04: 16min; FF: Main board DIP
V.1
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