Technical information

UGH024/1103 Portable Chillers
OPERATION 4-27
PLC C
ONTROL
SETTING F
AN
SETPOINTS
For the Air-cooled Portable Chillers you can choose the con-
denser pressures in PSIG at which the fan cycles on and off.
To set the Fan Setpoints 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.
Press the Fans arrow.
3
2
1
STATUS SETUP RUN ALM
Press arrow
PID Reset DPS FANS
A screen displays asking for the password. Use the
Keypad to enter the password (999) and then press the
Enter button. The Fan Setpoint screen displays:
Note: This screen is
password protected. You
must have clearance to
enter and change this
setting.
Press arrow
Fan ON 250
limits OFF 190
number
flashes
The screen shows the upper and lower condenser pressure
limits for the fan. The ON pressure flashes. Use the key-
pad to change this number. Then press Enter button to
save the new number.
Press the Scroll arrow to move to the OFF
setting. The OFF number flashes:
4
Fan ON 245
limits OFF 190
number
flashes
Use the keypad to change the OFF number.
Continued