Carrier 50HCQ12 Installation Instructions Manual page 38

For damper minimum position settings and checkout menu read-
ings, see Table 13. See Tables 14-21 for dry bulb and enthalpy se-
quence of operation.
Table 13 — Damper Minimum Position Settings and Readings on Checkout Menu
DEMAND CONTROLLED VENTILATION
(CO SENSOR)
2
NO
YES
Table 14 — Dry Bulb Operation, No Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV GOOD TO
ECONOMIZE?
No
None
Yes
*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 15 — Dry Bulb Operation, with Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV GOOD TO
ECONOMIZE?
No
Below
CO Set
2
Yes
No
Above
CO Set
2
Yes
*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 16 — Enthalpy Operation, No Demand Controlled Ventilation (DCV) (CO
OUTSIDE AIR
DCV GOOD TO
ECONOMIZE?
No
None
Yes
*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.
FAN SPEED
1
2
1
2
Y1-I Y2-I FAN SPEED
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 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 High
On Off High
On On High
Off Off High
On Off High
On On High
SETPOINTS
MIN POS
N/A
MIN POS H
MIN POS L
VENT MIN
VENT MAX
VENT MIN H
VENT MAX H
VENT MIN L
VENT MAX L
Y1-O Y2-O OCCUPIED
0-v/Off 0-v/Off MIN POS
24-v/On 0-v/Off MIN POS
24-v/On 24-v/On MIN POS
0-v/Off 0-v/Off MIN POS
0-v/Off 0-v/Off MIN POS to Full-Open
24-v/On 24-v/Off* MIN POS to Full-Open
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 Closed to Full-Open
24-v/On 0-v/Off* VENTMIN to Full-Open Closed to Full-Open
0-v/Off 0-v/Off VENTMIN to VENTMAX Closed
24-v/On 0-v/Off VENTMIN to VENTMAX Closed
24-v/On 24-v/On VENTMIN to VENTMAX Closed
0-v/Off 0-v/Off VENTMIN to VENTMAX Closed
0-v/Off 0-v/Off VENTMIN to Full-Open Closed to Full-Open
24-v/On 0-v/Off* VENTMIN to Full-Open Closed to Full-Open
Y1-O Y2-O OCCUPIED
0-v/Off 0-v/Off MIN POS
24-v/On 0-v/Off MIN POS
24-v/On 24-v/On MIN POS
0-v/Off 0-v/Off MIN POS
0-v/Off 0-v/Off MIN POS to Full-Open
24-v/On 0-v/Off* MIN POS to Full-Open
38
CHECKOUT
VMAX – HS
N/A
VMAX – HS
VMAX – LS
VMIN – HS
VMAX – HS
VMIN – HS
VMAX – LS
N/A
N/A
Sensor) — 1 Speed Fan
2
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open
Sensor) — 1 Speed Fan
2
UNOCCUPIED
Closed
Closed
Closed
Closed
Sensor) — 1 Speed Fan
2
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to Full-Open
Closed to Full-Open