Orion System HB Controller - Manual (Page 23)

Programming
23 HB Controller Technical Guide
Programming with the HB Service Tool
CO2 Minimum Position with High-Speed Fan
Description Min. Default Max.
Min. with High-Speed Fan 0% 5% 100%
Adjust the Economizer Minimum Position during High-Speed Supply
Fan operation when CO
2
levels are below the Minimum CO
2
setpoint
and then press the ENTER key.
CO2 Maximum Position with Low Speed Fan
Description Min. Default Max.
Max. with Low-Speed Fan 0% 50% 100%
Adjust the Economizer Maximum Position during Low-Speed Supply
Fan operation when CO
2
levels are above the Maximum CO
2
setpoint
and then press the ENTER key.
CO Maximum Position with High-Speed Fan
Description Min. Default Max.
Max. with High Speed Fan 0% 30% 100%
Adjust the Economizer Maximum Position during High-Speed Supply
Fan operation when CO
2
levels are above the Maximum CO
2
setpoint
and then press the ENTER key.
Exhaust Fan On with Low-Speed Fan
Description Min. Default Max.
Low-Speed Supply Fan 0% 50% 100%
Adjust the Economizer Position during Low-Speed Supply Fan operation
that will activate the Exhaust Fan and then press the ENTER key.
Exhaust Fan On with High-Speed Fan
Description Min. Default Max.
High-Speed Supply Fan 0% 30% 100%
Adjust the Economizer Position during High-Speed Supply Fan operation
that will activate the Exhaust Fan and then press the ENTER key.
CO2 Level Economizer Opens Above Minimum
Description Min. Default Max.
Min. CO
2
0 PPM 900 PPM 2000 PPM
Adjust the Minimum CO
2
Level that will allow the Economizer to
Modulate above its minimum position and then press the ENTER key.
CO2 Level Economizer Opens to Economizer Maximum
Description Min. Default Max.
Max. CO
2
0 PPM 1100 PPM 2000 PPM
Adjust the Maximum CO
2
Level that will allow the Economizer to Modu-
late open to its maximum position and then press the ENTER key.
Dehumidify Module Status Screens
The Dehumidify Module Status Screens are accessed by navigating to
the Dehumidify Module and pressing the ENTER key. Setpoints are
not available for the Dehumidify Module. After pressing ENTER, the
following screen will appear:
RH Terminal Active
Line #2 displays “YES” if there is a 24 VAC signal on the “RH”
terminal.
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.