Carrier WeatherMaker Puron 48FC 04 Series Installation Instructions Manual page 36

Table 16 — Enthalpy Operation with DCV (CO
DEMAND
CONTROLLED
VENTILATION (DCV)
Below CO set
2
Above CO set
2
*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 sec-
ond stage cooling by turning on the fan to high and opening the OA damper 100% before the first stage mechanical cooling is enabled.
†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 Y–I and
Y2–I have not been satisfied.
Table 17 — Dry Bulb Operation without DCV (CO
DEMAND
CONTROLLED
VENTILATION (DCV)
NONE
NONE
*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 sec-
ond stage cooling by turning on the fan to high and opening the OA damper 100% before the first stage mechanical cooling is enabled.
†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 Y–I and
Y2–I have not been satisfied.
OUTSIDE AIR
GOOD TO Y1-I Y2-I
ECONOMIZE
Off Off
On Off
No
On On
Off Off
On Off
Yes
On On
Off Off
On Off
No
On On
Off Off
On Off
Yes
On On
OUTSIDE AIR
GOOD TO Y1-I Y2-I
ECONOMIZE
Off Off
No On Off
On On
Off Off
On Off
Yes
On On
Sensor) — 1 Speed Fan
2
FAN SPEED Y1-O
High 0-v/Off 0-v/Off
High 24-v/On 0-v/Off
High 24-v/On 24-v/On
High 0-v/Off 0-v/Off
High 0-v/Off 0-v/Off
High 24-v/On 0-v/Off†
High 0-v/Off 0-v/Off
High 24-v/On 0-v/Off
High 24-v/On 24-v/On
High 0-v/Off 0-v/Off
High 0-v/Off 0-v/Off
DELAY*
High 0-v/Off†
24-v/On
Sensor) — 2 Speed Fan
2
FAN SPEED Y1-O
Low 0-v/Off
Low 24-v/On
High 24-v/On
Low 0-v/Off
Low 0-v/Off
DELAY*
High
24-v/On
36
Y2-O OCCUPIED
VENTMIN
VENTMIN
VENTMIN
VENTMIN
VENTMIN to
Full-Open
VENTMIN to
Full-Open
VENTMIN to
VENTMAX
VENTMIN L to
VENTMAX
VENTMIN H to
VENTMAX
VENTMIN L to
VENTMAX
VENTMIN to
Full-Open
VENTMIN to
Full-Open
Y2-O OCCUPIED
0-v/Off MIN POS L
0-v/Off MIN POS L
24-v/On MIN POS H
0-v/Off MIN POS L
MIN POS L
0-v/Off
to Full-Open
MIN POS H
0-v/Off†
to Full-Open
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
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed to
Full-Open
Closed to
Full-Open