Jade Range W7220 - Manual (Page 16)

JADE ™ ECONOMIZER MODULE
62-0331—11 16
SEQUENCE OF OPERATION
Table 5. Dry Bulb Operation No DCV (CO2 sensor) - 1 Speed Fan.
a With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on 2nd stage of mechanical cooling Y2 –O after the delay if
the call for Y1-I and Y2-I have not been satisfied.
Table 6. Dry Bulb Operation With DCV (CO2 sensor) - 1 Speed Fan.
a With stage 3 delay (STG3 DLY) in Advanced setup menu can turn on 2nd stage of mechanical cooling Y2 –O after the delay if
the call for Y1-I and Y2-I have not been satisfied.
DCV
OA Good to
economize? Y1-I Y2-I FAN SPD Y1-O Y2-O Occupied Unoccupied
None No Off Off High 0-v/Off 0-v/Off MIN POS Closed
On Off High 24-v/On 0-v/Off MIN POS Closed
On On High 24-v/On 24-v/On MIN POS Closed
None Yes Off Off High 0-v/Off 0-v/Off MIN POS Closed
On Off High 0-v/Off 0-v/Off MIN POS to Full-
Open
Closed to Full-Open
On On High 24-v/On 0-v/Off a MIN POS to Full-
Open
Closed to Full-Open
DCV
OA Good to
economize? Y1-I Y2-I FAN SPD Y1-O Y2-O Occupied Unoccupied
Below CO2
set
No Off Off High 0-v/Off 0-v/Off VENTMIN Closed
On Off High 24-v/On 0-v/Off VENTMIN Closed
On On High 24-v/On 24-v/On VENTMIN Closed
Yes Off Off High 0-v/Off 0-v/Off VENTMIN Closed
On Off High 0-v/Off 0-v/Off VENTMIN to Full-
Open
Closed to Full-Open
On On High 24-v/On 0-v/Off a VENTMIN to Full-
Open
Closed to Full-Open
Above CO2
set
No Off Off High 0-v/Off 0-v/Off VENTMIN to
VENTMAX
Closed
On Off High 24-v/On 0-v/Off VENTMIN to
VENTMAX
Closed
On On High 24-v/On 24-v/On VENTMIN to
VENTMAX
Closed
Yes Off Off High 0-v/Off 0-v/Off VENTMIN to
VENTMAX
Closed
On Off High 0-v/Off 0-v/Off VENTMIN to Full-
Open
Closed to Full-Open
On On High 24-v/On
0-v/Off a VENTMIN to Full-
Open
Closed to Full-Open