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Parameter
Parameter Name
Code
N16
Auxiliary heater
on/off
N17
IDU cold draft
prevention
temperature settings
N20
Fan speed setting in
heating standby
mode
N21
Time to stop the fan
of IDU (Termal)
N22
EXV opening
selection during
heating standby
N23
Cooling return
difference
temperature
Default
Parameter Range
Value
00/01/02
00
00/01/02/03/FF
00
0/1/14
0
00/01/02/03/04/FF
01
00/01/02
01
00/01/02/03/04
00
38
Remarks
00: Auto
01: Forced on
02: Forced off
Common IDU: 00: 15°C, 01: 20°C, 02: 24°C, 03:
26°C, FF: main board DIP of IDU
FAPU: 00: 14°C, 01: 12°C, 02: 16°C, 03: 18°C, FF:
reserved
0: Termal
1: Speed 1
14: Fan speed before going to standby mode
00: Fan on
01: 4min
02: 8 min
03: 12 min
04: 16 min
FF: main board DIP of IDU
00: 56P
01: 72P
02: 0P
FF: main board DIP of IDU
00: 1°C
01: 2°C
02: 0.5°C
03: 1.5°C
04: 2.5°C
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