Bryant DURAPAC PLUS 581A Installation And Service Instructions Manual page 31

DAMPER
ACTUATOR
ECONOMIZER
BLOCK OFF
Fig. 24 — Supply-Air Temperature Sensor Location
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.
PL7
OUTDOOR AIR
TEMPERATURE
SENSOR
PL7
OUTSIDE AIR
ENTHALPY
SENSOR
INDOOR AIR
ENTHALPY
SENSOR
Fig. 23 — EconoMi$er IV Component Locations (Exploded View)
SAT LOCATION
Table 28 — EconoMi$er IV Sensor Usage
ECONOMI$ER IV WITH OUTDOOR AIR
DRY BULB SENSOR
Accessories Required
None. The outdoor air dry bulb sensor is factory installed.
CRTEMPSN002A00*
HH57AC078
HH57AC078
and
CRENTDIF004A00*
CGCDXSEN004A00
CGCDXSEN004A00†
and
CGCDXASP001A00**
sensor.
2
DAMPER
ASSEMBLY
WIRE
HARNESS
WIRE TIES
19
LED ON
18
D
17
16 LED OFF
15
14
13
12
11
10
9
50
40 45
Fig. 25 — Outdoor-Air Temperature Changeover
None. The single enthalpy sensor is factory installed.
— 31 —
LED ON
C
LED ON
LED OFF
B
LED ON
LED OFF
LED OFF
55 60 65 70 75 80 85 90
DEGREES FAHRENHEIT
Set Points
ECONOMI$ER IV WITH SINGLE
ENTHALPY SENSOR
Accessories Required
CRTEMPSN002A00*
(2) CRTEMPSN002A00*
CRENTDIF004A00*
CGCDXSEN004A00
CGCDXSEN004A00†
and
CGCDXASP001A00**
A
100
95