Bryant 579F User Manual page 296

CONTROL CONTROL POINT
CURVE
A
B
C
D
APPLICATION
Outdoor Air Dry Bulb
Differential Dry Bulb
Single Enthalpy
Differential Enthalpy
CO for DCV Control using a
2
Wall-Mounted CO Sensor
2
CO for DCV Control using a
2
Duct-Mounted CO Sensor
2
*CRENTDIF004A00 and CRTEMPSN002A00 accessories are used on many different base units. As such, these kits may contain parts that will not be needed
for installation.
†CGCDXSEN004A00 is an accessory CO
**CGCDXASP001A00 is an accessory aspirator box required for duct-mounted applications.
APPLICATION DATA (cont)
APPROX. °F (°C)
AT 50% RH
73 (23)
70 (21)
67 (19)
63 (17)
60
(16)
A
55
(13)
B
50
C
(10)
D
45
(7)
40
(4)
35
(2)
35 40 45 50 55 60
(2) (4) (7) (10) (13) (16)
APPROXIMATE DRY BULB TEMPERATURE— °F (°C)
Economizer Changeover Curves
ECONOMI$ER IV SENSOR USAGE CHART
ECONOMI$ERIV WITH OUTDOOR AIR
DRY BULB SENSOR
Accessories Required
None. The outdoor air dry bulb sensor is factory installed.
CRTEMPSN002A00*
HH57AC078
HH57AC078
and
CRENTDIF004A00*
sensor.
2
85 90 95
(29) (32) (35)
80
(27)
75
(24)
70
(21)
65
(18)
A
B
C
D
65 70 75 80 85 90 95
(18) (21) (24) (27) (29) (32) (35)
CGCDXSEN004A00
CGCDXSEN004A00†
and
CGCDXASP001A00**
296
100 105 110
(38) (41) (43)
HIGH LIMIT
CURVE
100 105 110
(38) (41) (43)
a50-7751
ECONOMI$ERIV WITH SINGLE
ENTHALPY SENSOR
Accessories Required
CRTEMPSN002A00*
(2) CRTEMPSN002A00*
None. The single enthalpy sensor is factory installed.
CRENTDIF004A00*