Bryant 579F User Manual page 200

AL — Ambient Limit
ECB — Economizer Control Board
IA — Indoor Air
IAQ — Indoor Air Quality
NOTE 1
RUN
NOTE 2
50HJ540573
ACTUATOR
ASSEMBLY
DIRECT DRIVE
ACTUATOR
LEGEND
OAT — Outdoor Air Temperature Sensor
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.
TYPICAL WIRING SCHEMATICS — 579F (cont)
LEGEND
OA — Outdoor Air
OAS — Outdoor Air Sensor
RAS — Return Air Sensor
SAT — Supply Air Temperature
EconoMi$er IV Wiring — 579F180-300 Units
500 OHM
RESISTOR
EconoMi$er2 Wiring — 579F180-300 Units
PINK
BLUE
OAT
a50-8058
200
a48-7877
4
3
7
RED
2
8
6
5
BLACK
1
10
11
9
WHITE
12
ECONOMISER2 PLUG