Technical information

PLC C
ONTROL
RESETTING
PID
SETTINGS
OPERATION 4-23
Use the PID reset to return the control to the factory settings.
Use this if the autotune does not give good values or good
values are lost.
To reset PID from the main screen:
Press the Setup arrow.
Press the Scroll arrows to scroll through
the Setup screens. Stop when you get to the PID
Reset screen. Use this screen to reset the PID con-
trols, set the discharge pressure setpoint (DPS) for
water-cooled chillers, and to set the on/off discharge
pressure setpoints for the air-cooled chillers with the VFD
option.
Press the PID Reset arrow.
3
2
1
STATUS SETUP RUN ALM
Press arrow
PID Reset DPS FANS
Press arrow
Press the scroll arrows to move to the
next setup screen, or press Escape/ Previous Screen
button to return to the main screen.
4
UGH024/1103 Portable Chillers