66 Technical Bulletin—TC-9100 Universal Controller
Item Type MEM R/W Tag Description
Hex Dec
25 37 1 Byte VR W SUP Supervisory Mode Control
X2 X1 MODC Operating Mode Command
=00 NIGHT Mode
=01 STANDBY Mode
=10 COMFORT Mode
=11 OFF Mode
X3=1 SOFF Shutoff Mode Command
X4=1 STUP Startup Mode Command
X5 not used
X6=1 Supervisory Mode Control
X7=1 MAN Manual Operating Mode Command
X8=1 Supervisory System Active Refresh
26 38 1 Byte VR R LSC Control & Status
X1=1 R MNT Maintenance Started
X2=1 R Maintenance Stopped
X3=1 R REVL Reverse Action Active
X4=1 R L1A Control Module 1 Active
X5=1 R ALM General Alarm
X6=1 R AFM Low Limit (Anti-freeze) Mode Active
X7=1 R FOV 3-Speed Fan Override Active
X8=1 R L3A Control Module 3 Active
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