Carrier WeatherMaster 48HC07 Series - Page 47

47
Table 18 — Dry Bulb Operation with DCV (CO
2
Sensor) — 2 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 19 — Enthalpy Operation No DCV (CO
2
Sensor) — 2 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 20 — Enthalpy Operation with DCV (CO
2
Sensor) — 2 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.
DEMAND
CONTROLLED
VENTILATION (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 LOW 0v/Off 0v/Off VENTMIN Closed
ON OFF LOW 24v/On 0v/Off VENTMIN Closed
ON ON HIGH 24v/On 24v/On VENTMIN Closed
Yes
OFF OFF LOW 0v/Off 0v/Off VENTMIN Closed
ON OFF LOW 0v/Off 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
ON ON HIGH 24v/On 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
Above CO
2
Set
No
OFF OFF LOW 0v/Off 0v/Off
VENTMIN to
VENTMAX
Closed
ON OFF LOW 24v/On 0v/Off
VENTMIN to
VENTMAX
Closed
ON ON HIGH 24v/On 24v/On
VENTMIN to
VENTMAX
Closed
Yes
OFF OFF LOW 0v/Off 0v/Off
VENTMIN to
VENTMAX
Closed
ON OFF LOW 0v/Off 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
ON ON HIGH 24v/On 0v/Off*
VENTMIN to
Full-Open
Closed to Full-Open
DEMAND
CONTROLLED
VENTILATION (DCV)
OUTSIDE AIR
GOOD TO
ECONOMIZE
Y1-I Y2-I
FAN
SPEED
Y1-O Y2-O OCCUPIED UNOCCUPIED
NO CO
2
SENSOR
NO
OFF OFF LOW 0v/Off 0v/Off MIN POS Closed
ON OFF LOW 24v/On 0v/Off MIN POS Closed
ON ON HIGH 24v/On 24v/On MIN POS Closed
YES
OFF OFF LOW 0v/Off 0v/Off MIN POS Closed
ON OFF LOW 0v/Off 0v/Off MIN POS to Full Open Closed to Full-Open
ON ON HIGH 24v/On 0v/Off* MIN POS to Full Open Closed to Full-Open
DEMAND
CONTROLLED
VENTILATION (DCV)
OUTSIDE AIR
GOOD TO
ECONOMIZE
Y1-I Y2-I
FAN
SPEED
Y1-O Y2-O OCCUPIED UNOCCUPIED
Below CO2 Set
No
OFF OFF LOW 0v/Off 0v/Off VENTMIN Closed
ON OFF LOW 24v/On 0v/Off VENTMIN Closed
ON ON HIGH 24v/On 24v/On VENTMIN Closed
Yes
OFF OFF LOW 0v/Off 0v/Off VENTMIN Closed
ON OFF LOW 0v/Off 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
ON ON HIGH 24v/On 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
Above CO2 Set
No
OFF OFF LOW 0v/Off 0v/Off
VENTMIN to
VENTMAX
Closed
ON OFF LOW 24v/On 0v/Off
VENTMIN to
VENTMAX
Closed
ON ON HIGH 24v/On 24v/On
VENTMIN to
VENTMAX
Closed
Yes
OFF OFF LOW 0v/Off 0v/Off
VENTMIN to
VENTMAX
Closed
ON OFF LOW 0v/Off 0v/Off
VENTMIN to
Full-Open
Closed to Full-Open
ON ON HIGH 24v/On 0v/Off*
VENTMIN to
Full-Open
Closed to Full-Open