Master slot numbers list
The following table is the master slot number list for use with the Trend feature.
Slot number Description
System
256 Chiller operating state
257 Coastdown time remaining
259 Safety relay
260 Cycling relay
261 Warning relay
262 Operating hours
263 Runtime in seconds
264 Number of starts
427 Run permissive
267 Remote ready to start
External contact
281 Remote run/stop
282 Is multi-unit cycling closed
283 Is remote cycling closed
284 Is auxiliary safety open
Jumper
287 Is diagnostics enabled
288 Liquid type
289 Chilled liquid pump operation
291 Power failure restart
Options
304 Control mode
305 System language
306 Chiller ID number
307 Display mode
Security
336 Log in level
337 Log in user ID
Schedule
512 Is schedule enabled
Evaporator
1792 Leaving chilled liquid temperature
1793 Temperature differential
1794 Chilled liquid flow switch
1795 Chilled liquid pump
1806 Shutdown temperature
1807 Return chilled liquid temperature
1808 Evaporator pressure
1809 Evaporator saturation temperature
1810 Evaporator small temperature difference
1812 Evaporator refrigerant temperature
17920 Active LCHLT setpoint
Condenser
2052 Condenser pressure
2053 Condenser saturation temperature
2054 Condenser small temperature difference
2057 High pressure switch
28716 Heating shutdown temperature
28718 Heating delta T
28719 Active heating setpoint
103YVAM with OptiView Control Center
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