Orion System HB Controller - Manual (Page 17)

Programming
17 HB Controller Technical Guide
Adjustable Two-Speed Supply Fan Low-Speed Signal
Description Min. Default Max.
Low Speed Fan Signal 1.0 VDC 3.0 VDC 10.0 VDC
Adjust the desired Low-Speed Output Signal for Adjustable Two-Speed
Fan confi gurations by pressing the up or down ADJUST arrow key until
the desired value is displayed and then pressing the ENTER key. Set-
tings are in DC Volts.
Adjustable Two-Speed Supply Fan High Speed Signal
Description Min. Default Max.
High Speed Fan Signal 1.0 VDC 10.0 VDC 10.0 VDC
Adjust the desired High-Speed Output Signal for Adjustable Two-Speed
Fan confi gurations by pressing the up or down ADJUST arrow key until
the desired value is displayed and then pressing the ENTER key. Set-
tings are in DC Volts.
Cooling Module Status Screens
The Cooling Module Status Screens are accessed by navigating to the
Cooling Module screen ad pressing the ENTER key. The following
screen will then appear:
Select “Status” by pressing the ENTER key. Press the up and down
SELECT arrow keys to move forward and backward through the Cool-
ing Module Status screens.
Cooling Stage 1 Energized
Line #2 displays “YES” if there is a 24 VAC signal on HB Controller
terminal “Y1.”
Cooling Stage 2 Energized
Line #2 displays “YES” if there is a 24 VAC signal on HB Controller
terminal “Y2.”
Fan Status
Line #2 displays the current Supply Fan Status. If the Supply Fan is on,
line #2 displays either “Fan Low Speed” or “Fan High Speed.”
Fan Signal
Line #2 displays the current Supply Fan Analog Output Signal in DC
Volts.
Cooling Relay #1
Line #2 displays “ON” if Cooling Relay #1 is active.
Cooling Relay #2
Line #2 displays “ON” if Cooling Relay #2 is active.
Liquid Line Temperature
Line #2 displays the current Liquid Line Temperature.
Condenser Fan Relay
Line #2 displays “ON” if the Condenser Fan Relay is active.
Low Pressure Switch
Line #2 displays the current status of the Low Pressure Switch. It will
only display “CLOSED” when Cooling Relay #1 is active and the Low
Pressure Switch is operating correctly.
Programming with the HB Service Tool