Trane TR200 Programming Manual page 209

P P arameter Description
21-1* Closed-loop 1 Ref/Feedback
Configure Extended Closed-loop 1 Controller reference and feedback.
21-10 Ext. 1 Ref./Feedback Unit
Option:
[0]
[1] * %
[5] PPM
[10] min
[11] RPM
[12] PULSE/s
[20] liter / sec.
[21] liter / min
[22] liter / hr.
[23] m³ / sec.
[24] m³/min
[25] m³ / hr.
[30] kg / sec.
[31] kg/min
[32] kg / hr.
[33] ton / min
[34] ton / hr.
[40] m / sec.
[41] m/min
[45] m
[60] °C
[70] mbar
[71] bar
[72] Pa
[73] kPa
[74] m WG
[75] mm Hg
4-172
Function:
Select the unit for the reference and feedback.
TR200 Programming Guide