Trane PIC Installation Operation Maintenance/ Programming page 76

Data Point Description
Table A - How to read Chiller Status in equipment data point lists
Item
Chiller Run Mode
Chiller Operating Mode
Chiller in alarm
Chiller enabled
Chiller local mode
Chiller in limits
Chilled water flow
Condenser water flow
76
Maintenance
Chiller Status - bitfield
Register bit
0 (0000) = Chiller Off
1 (0001) = Chiller in start mode
2 (0010) = Chiller in run mode
Bits 0-3
3 (0011) = Chiller in pre-shutdown mode
4 (0100) = Chiller in service mode
any others = not applicable
0 (0000) = Cooling mode
1 (0001) = Heating mode
Bits 4-7 2 (0010) = Free cooling mode
3 (0011) = Ice-making mode
any others = not applicable
1=Chiller has an active diagnostic that caused the chiller to be shutdown.
(These are shutdown alarms, not warnings.)
Bit 8
0=No shutdown alarms are present.
1=Chiller is available to run or is currently running.
Bit 9
0=Chiller is not permitted to run.
1=Chiller is in local mode. BAS is disabled in the Setpoint Source and the chiller will
ignore communications.
Bit 10
0=Chiller is not in local mode and network visible values may be changed remotely.
1=Conditions may exist that prevent the chiller from reaching setpoint.
Bit 11
0=Chiller is not restricted from attempting to reach setpoint.
1=Chilled water flow is detected
Bit 12
0=No chilled water flow is observed.
1=Condenser water flow is detected.
Bit 13
0=No condenser water is observed.
Description
BAS-SVX08D-E4