JR8 protocol
IDU set
Parameter name
item
Static pressure setting
of IDU
High ceiling setting
On-site air flow adjustment
Site
factor
Config
Q4/Q4 min air outlet closed 1
Q4/Q4 min air outlet closed 2
Q4/Q4 min air outlet closed 3
Q4/Q4 min air outlet closed 4
Cooling/heating only for IDU
One-to-many of WDC enabled
IDU buzzer
IDU
EXV opening selection
setting
during heating standby
Set IDU address
Parameter range
00/01~19/FF
00/01/02
00/01/02/03/
04/05/06
Free control/Close
Free control/Close
Free control/Close
Free control/Close
Cooling and heating
/ Cooling only
No/ Yes
Only panel/Silent/Ring
224P/288P/00P
/Auto regulation
0-63
76
Remarks
The IDU sets the static pressure
based on the set gear, FF (VRF
unit: main board DIP of IDU;
other models: reserved)
00: 3 m; 01: 4 m;
02: 4.5 m
00: 1; 01: 1.05; 02: 1.1;
03: 1.15; 04: 0.95;
05: 0.9; 06: 0.85
00: Free control; 01: Close
00: Free control; 01: Close
00: Free control; 01: Close
00: Free control; 01: Close
For details, see the "Set IDU address"
V.1
