a. With 2SP FAN DELAY (Advanced Setup Menu) when in the economizing mode there is a delay for the high speed fan to try to satisfy the call for second stage cooling
by turning on the fan to high and opening the OA damper 100% before the first stage mechanical cooling is enabled.
b. With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on second stage of mechanical cooling Y2-O after the delay if the call for Y1-I and Y2-I have not been
satisfied.
Table 25 — Enthalpy Operation without DCV (CO
DEMAND
OUTSIDE AIR
CONTROLLED
GOOD TO
VENTILATION (DCV)
ECONOMIZE
NO CO
SENSOR
2
NOTE(S):
a. With 2SP FAN DELAY (Advanced Setup Menu) when in the economizing mode there is a delay for the high speed fan to try to satisfy the call for second stage cooling
by turning on the fan to high and opening the OA damper 100% before the first stage mechanical cooling is enabled.
b. With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on second stage of mechanical cooling Y2-O after the delay if the call for Y1-I and Y2-I have not been