17
7.4 Parameter Settings
Parameter Settings
Notes
Return Air Temperature
-35
o
C to 92
o
C
Read-only
‘Hi-res’ Return Air
-35.0
o
C to 92.0
o
C
register contains the value
multiplied by 10.
eg. 235 = 23.5
o
C
Error Code
4 digit error code where
8000 = ‘No Error’
6999 = ‘Unit Not Present’
Read-only
See Appendix D
Setpoint Temperature
18
o
C to 29
o
C
‘Hi-res’ Setpoint
18.0
o
C to 29.0
o
C
register contains the value
multiplied by 10.
eg. 255 = 25.5
o
C
Operation Mode
00: Fan (Draft)
01: Cool
02: Heat
03: Dry
04: Auto
05: (Not Used)
06: AutoCool
07: AutoHeat
Not settable
08: Heat Exchange
09: VN-Auto
10: VN-Bypass
VN units only
Fan Speed
00: Low
01: Medium
02: High
03: Auto
On/Off 00:
Off
01: On
Air Direction
00: Horizontal
01: 22
½
deg
02: 45 deg
03: 67
½
deg
04: Vertical
05: Swing
06: Hold
Local Inhibit
00: Not inhibited
01: Inhibited
Ventilation 00:
Off
01: Low
02: High
Not currently supported