Bryant 581A/B User Manual

Page 248

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248

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

581

A155

-3

00

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