Carrier WeatherMaster Puron 48HC D17 Service And Maintenance Instructions page 65

Table 33 — Dry Bulb Operation with DCV (CO
DEMAND OUTSIDE AIR
CONTROLLED GOOD TO
VENTILATION (DCV) ECONOMIZE
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 Y1–I and
Y2–I have not been satisfied.
Table 34 — Enthalpy Operation without DCV (CO
DEMAND OUTSIDE AIR
CONTROLLED GOOD TO
VENTILATION (DCV) ECONOMIZE
NO CO SENSOR
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 second
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 Y1–I and
Y2–I have not been satisfied.
Y1-I Y2-I
OFF OFF
No ON OFF
ON ON
OFF OFF
ON OFF
Yes
ON ON
OFF OFF
No ON OFF
ON ON
OFF OFF
Yes ON OFF
ON ON
Y1-I Y2-I
OFF OFF
NO ON OFF
ON ON
OFF OFF
ON OFF
YES
ON ON
Sensor) — 2 Speed Fan
2
FAN
Y1-O Y2-O
SPEED
LOW 0v/Off 0v/Off
LOW 24v/On 0v/Off
HIGH 24v/On 24v/On
LOW 0v/Off 0v/Off
LOW 0v/Off 0v/Off
HIGH 24v/On 0v/Off
LOW 0v/Off 0v/Off
LOW 24v/On 0v/Off
HIGH 24v/On 24v/On
LOW 0v/Off 0v/Off
LOW 0v/Off 0v/Off
DELAY*
HIGH 0v/Off†
24v/On
Sensor) — 2 Speed Fan
2
FAN
Y1-O Y2-O
SPEED
LOW 0v/Off 0v/Off
LOW 24v/On 0v/Off
HIGH 24v/On 24v/On
LOW 0v/Off 0v/Off
LOW 0v/Off 0v/Off
DELAY*
HIGH 0v/Off†
24v/On
65
OCCUPIED UNOCCUPIED
VENTMIN
VENTMIN
VENTMIN
VENTMIN
VENTMIN to
Closed to Full-Open
Full-Open
VENTMIN to
Closed to Full-Open
Full-Open
VENTMIN to
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
Closed to Full-Open
Full-Open
VENTMIN to
Closed to Full-Open
Full-Open
OCCUPIED UNOCCUPIED
MIN POS
MIN POS
MIN POS
MIN POS
MIN POS to Full Open Closed to Full-Open
MIN POS to Full Open Closed to Full-Open
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed