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TYPICAL WIRING SCHEMATICS — 581A
4
3
5
2
8
6
7
1
10
11
9
12
PINK
BLACK
BLUE
NOTE 1
NOTE 2
RUN
500 OHM
RESISTOR
50HJ540573
ACTUATOR
ASSEMBLY
RED
WHITE
ECONOMISER2 PLUG
DIRECT DRIVE
ACTUATOR
OAT
LEGEND
AL — Ambient Limit OA — Outdoor Air
ECB — Economizer Control Board OAS— Outdoor Air Sensor
IA — Indoor Air RAS— Return Air Sensor
IAQ — Indoor Air Quality SAT — Supply Air Temperature
EconoMi$er IV Wiring — 581A155,180
EconoMi$er2 Wiring — 581A155,180
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.
a48-7877
a50-8058
581A155-300