Carrier WeatherMaster 48HC04 Service And Maintenance Instructions page 63

Table 29 — Dry Bulb Operation without DCV (CO
DEMAND
CONTROLLED
VENTILATION (DCV)
NONE
*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 30 — Dry Bulb Operation with DCV (CO
DEMAND
CONTROLLED
VENTILATION (DCV)
Below CO set
2
Above CO set
2
*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 31 — Enthalpy Operation without DCV (CO
DEMAND
CONTROLLED
VENTILATION (DCV)
NONE
*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
No On Off
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
Off Off
No On Off
On On
Off Off
Yes On Off
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
High 24-v/On
High 24-v/On
High 0-v/Off
High 0-v/Off
High 24-v/On
Sensor) — 1 Speed Fan
2
FAN SPEED Y1-O
High 0-v/Off
High 24-v/On
High 24-v/On 24-v/On
High 0-v/Off
High 0-v/Off
High 24-v/On 0-v/Off*
High 0-v/Off
High 24-v/On
High 24-v/On 24-v/On
High 0-v/Off
High 0-v/Off
High 24-v/On 0-v/Off*
Sensor) — 1 Speed Fan
2
FAN SPEED Y1-O
High 0-v/Off
High 24-v/On
High 24-v/On
High 0-v/Off
High 0-v/Off
High 24-v/On
63
Y2-O OCCUPIED
0-v/Off MIN POS
0-v/Off MIN POS
24-v/On MIN POS
0-v/Off MIN POS
MIN POS to
0-v/Off
Full-Open
MIN POS to
0-v/Off*
Full-Open
Y2-O OCCUPIED
0-v/Off
VENTMIN
0-v/Off
VENTMIN
VENTMIN
0-v/Off
VENTMIN
VENTMIN to
0-v/Off
Full-Open
VENTMIN to
Full-Open
VENTMIN to
0-v/Off
VENTMAX
VENTMIN to
0-v/Off
VENTMAX
VENTMIN to
VENTMAX
VENTMIN to
0-v/Off
VENTMAX
VENTMIN to
0-v/Off
Full-Open
VENTMIN to
Full-Open
Y2-O OCCUPIED
0-v/Off MIN POS
0-v/Off MIN POS
24-v/On MIN POS
0-v/Off MIN POS
MIN POS to
0-v/Off
Full-Open
MIN POS to
0-v/Off*
Full-Open
UNOCCUPIED
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
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