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Parameter
Parameter Name Parameter Range Default
Code
N16
Auxiliary heat
source on/off
N17
IDU's anti-cold wind
temperature setting
in heating mode
N20
Fan speed in
heating standby
mode
N21
Time to stop the fan
of IDU in heating
mode (Termal)
N22
EXV opening during
heating standby
N23
Cooling return
difference
temperature
Value
00/01/02
00
00/01/02/03/FF
00
00/01/14
00
00/01/02/03/04/
01
FF
00/01/02
01
00/01/02/03/04
00
43
Remarks
00: Auto; 01: Forced on; 02: Forced off
Common IDU:
00: 15°C/59°F
01: 20°C/68°F
02: 24°C/75°F
03: 26°C/79°F
FF: Main board DIP of IDU
FAPU: 00/01/02/03/FF
AHU-kit:
00/01/02/03/FF
Note: The temperature of FAPU and AHU-kit
corresponding to 00/01/02/03 differs. For details,
see the instructions.
00: Termal;
01: Speed 1;
14: Fan speed before entering standby mode
00: Fan on;
01: 4min;
02: 8min;
03: 12min;
04: 16min;
FF: Main board DIP (stop the fan for Xmin; open
the fan at speed 1 for 1min to detect the actual T1
temperature)
00: 56P;
01: 72P;
02: 00P;
FF: IDU DIP
00: 1°C;
01: 2°C;
02: 0.5°C;
03: 1.5°C;
04: 2.5°C
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