Carrier 50HCQ07 Installation Instructions Manual page 42

Table 15 — Enthalpy Operation, with Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV GOOD TO
ECONOMIZE?
No
Below Set
Yes
No
Above Set
Yes
*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.
Table 16 — Dry Bulb Operation, No Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV GOOD TO
ECONOMIZE?
No
None
Yes
*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.
Table 17 — Dry Bulb Operation, with Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV GOOD TO
ECONOMIZE?
No
Below Set
Yes
No
Above Set
Yes
*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.
Y1-I Y2-I FAN SPEED
Off Off High
On Off High
On On High
Off Off High
On Off High
On On High
Off Off High
On Off High
On On High
Off Off High
On Off High
On On High
Y1-I Y2-I FAN SPEED
Off Off Low
On Off Low
On On High
Off Off Low
On Off Low
On On High
Y1-I Y2-I FAN SPEED
Off Off Low
On Off Low
On On High
Off Off Low
On Off Low
On On High
Off Off Low
On Off Low
On On High
Off Off Low
On Off Low
On On High
Y1-O Y2-O OCCUPIED
0-v/Off 0-v/Off VENTMIN
24-v/On 0-v/Off VENTMIN
24-v/On 24-v/On VENTMIN
0-v/Off 0-v/Off VENTMIN
0-v/Off 0-v/Off VENTMIN to Full-Open
24-v/On 0-v/Off VENTMIN to Full-Open
†
0-v/Off 0-v/Off VENTMIN to VENTMAX
24-v/On 0-v/Off VENTMIN L to VENTMAX Closed
VENTMIN H to
24-v/On 24-v/On
VENTMAX
0-v/Off 0-v/Off VENTMIN L to VENTMAX Closed
0-v/Off 0-v/Off VENTMIN to Full-Open
DELAY*
0-v/Off VENTMIN to Full-Open
†
24-v/On
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.
Y1-O Y2-O OCCUPIED
0-v/Off 0-v/Off MIN POS L
24-v/On 0-v/Off MIN POS L
24-v/On 24-v/On MIN POS H
0-v/Off 0-v/Off MIN POS L
0-v/Off 0-v/Off MIN POS L to Full-Open
DELAY*
0-v/Off † MIN POS H to Full-Open
24-v/On
† 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.
Y1-O Y2-O OCCUPIED
0-v/Off 0-v/Off VENTMIN L
24-v/On 0-v/Off VENTMIN L
24-v/On 24-v/On VENTMIN H
0-v/Off 0-v/Off VENTMIN L
0-v/Off 0-v/Off VENTMIN L to Full-Open
24-v/On 0-v/Off † VENTMIN H to Full-Open
0-v/Off 0-v/Off VENTMIN L to VENTMAX
24-v/On 0-v/Off VENTMIN L to VENTMAX
24-v/On 24-v/On VENTMIN H to VENTMAX
0-v/Off 0-v/Off VENTMIN L to VENTMAX
0-v/Off 0-v/Off VENTMIN L to Full-Open
DELAY*
0-v/Off † VENTMIN H to Full-Open
24-v/On
† 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.
42
Sensor) — 1 Speed Fan
2
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Sensor) — 2 Speed Fan
2
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Sensor) — 2 Speed Fan
2
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open