Carrier 50HCQA07 - Page 41

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Table 12 — Dry Bulb Operation, No Demand Controlled Ventilation (DCV) (CO
2
Sensor) — 1 Speed Fan
*With stage 3 delay (STG3 DLY) in Advanced setup menu, second
stage of mechanical cooling Y2-O can be turned on after the delay if the
calls for Y1-I and Y2-I have not been satisfied.
Table 13 — Dry Bulb Operation, with Demand Controlled Ventilation (DCV) (CO
2
Sensor) — 1 Speed Fan
*With stage 3 delay (STG3 DLY) in Advanced setup menu, second
stage of mechanical cooling Y2-O can be turned on after the delay if the
calls for Y1-I and Y2-I have not been satisfied.
Table 14 — Enthalpy Operation, No Demand Controlled Ventilation (DCV) (CO
2
Sensor) — 1 Speed Fan
*With stage 3 delay (STG3 DLY) in Advanced setup menu, second
stage of mechanical cooling Y2-O can be turned on after the delay if the
calls for Y1-I and Y2-I have not been satisfied.
DCV
OUTSIDE AIR
GOOD TO
ECONOMIZE?
Y1-I Y2-I FAN SPEED 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
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 24-v/Off* MIN POS to Full-Open Closed to Full-Open
DCV
OUTSIDE AIR
GOOD TO
ECONOMIZE?
Y1-I Y2-I FAN SPEED Y1-O Y2-O OCCUPIED UNOCCUPIED
Below
CO
2
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* VENTMIN to Full-Open Closed to Full-Open
Above
CO
2
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* VENTMIN to Full-Open Closed to Full-Open
DCV
OUTSIDE AIR
GOOD TO
ECONOMIZE?
Y1-I Y2-I FAN SPEED 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
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* MIN POS to Full-Open Closed to Full-Open