Trane TR200 Series Programming Manual page 241

Parameter Description
24-10 Drive Bypass Function
Option:
[0] * Disabled
[1] Enabled
[2] Enabled (Fire M Only)
CAUTION
Important! After enabling the Drive Bypass Function, the Safe Stop function (in versions, where included) is not com-
plying with standard EN 954-1, Cat. 3 installations anymore.
240
Function:
This parameter determines, what circumstances will activate the Drive
Bypass Function:
If in normal operation the automatic Drive Bypass Function will be acti-
vated at following conditions:
At a Trip Lock or a Trip. After the programmed number of reset attempts,
programmed in par.14-20
24-11 Drive Bypass Delay Time) expires before reset attempts have been
completed
When in Fire Mode, the Bypass Function will operate under following
conditions:
When experiencing a trip at critical alarms, a Coast or if the Bypass Delay
Timer expires before reset attempts have completed when [2] Enabled
in Fire Mode. The Bypass Function will operate at trip at critical alarms,
Coast or if the Bypass Delay Timer expires before reset attempts have
been completed.
The Bypass Function will operate at Trip at Critical Alarms, Coast or By-
pass Delay Timer if the timer expires before reset attempts have com-
pleted.
Reset Mode or if the Bypass Delay Timer (par.
TR200 Programming Guide