Carrier 48FC 08-16 Series Service And Maintenance Instructions page 67

DEMAND
OUTSIDE AIR
CONTROLLED
GOOD TO
VENTILATION
ECONOMIZE
(DCV)
NO
NONE
YES
NO
Below CO Set
2
YES
NO
Above CO Set
2
YES
NOTE(S):
a. With stage 3 delay (STG3 DLY) in Advanced setup, COOL Y2-OUT will be turned ON after the delay time specified.
LEGEND
N/A — Not applicable
Table 22 — Economizer Operation - FAN TYPE = 2 SPEED
INPUTS
W COOL
(HEAT ON) Y1-IN
ON N/A
OFF OFF
OFF ON
OFF ON
ON N/A
OFF OFF
OFF ON
OFF ON
ON N/A
OFF OFF
OFF ON
OFF ON
ON N/A
OFF OFF
OFF ON
OFF ON
ON N/A
OFF OFF
OFF ON
OFF ON
ON N/A
OFF OFF
OFF ON
OFF ON
FAN SPEED
COOL COOL COOL
Y2-IN Y1-OUT Y2-OUT
N/A OFF OFF
OFF OFF OFF
OFF ON OFF
ON ON ON
N/A OFF OFF
OFF OFF OFF
OFF OFF OFF
ON ON OFF a
N/A OFF OFF
OFF OFF OFF
OFF ON OFF
ON ON ON
N/A OFF OFF
OFF OFF OFF
OFF OFF OFF
ON ON OFF
a
N/A OFF OFF
OFF OFF OFF
OFF ON OFF
ON ON ON
N/A OFF OFF
OFF OFF OFF
OFF OFF OFF
a
ON ON OFF a
67
OUTPUTS
DAMPER POSITION
(reference
OCCUPIED
only)
HIGH MIN POS H
LOW MIN POS L
LOW MIN POS L
HIGH MIN POS H
HIGH MIN POS H
LOW MIN POS L
MIN POS L to
LOW
Full Open
MIN POS H to
HIGH
Full Open
HIGH VENTMIN H
LOW VENTMIN L
LOW VENTMIN L
HIGH VENTMIN H
HIGH VENTMIN H
LOW VENTMIN L
VENTMIN L to
LOW
Full Open
VENTMIN H to
HIGH
Full Open
VENTMIN H to
HIGH
VENTMAX H
VENTMIN L to
LOW
VENTMAX L
VENTMIN L to
LOW
VENTMAX L
VENTMAX H to
HIGH
VENTMAX H
VENTMIN H to
HIGH
VENTMAX H
VENTMIN L to
LOW
VENTMAX L
VENTMIN L to
LOW
Full Open
VENTMIN H to
HIGH
Full Open
UNOCCUPIED
Closed
Closed
Closed
Closed
Closed
Closed
Closed to
Full Open
Closed to
Full Open
Closed
Closed
Closed
Closed
Closed
Closed
Closed to
Full Open
Closed to
Full Open
Closed
Closed
Closed
Closed
Closed
Closed
Closed to
Full Open
Closed to
Full Open