TYPICAL WIRING SCHEMATIC — 542J (cont)

500 OHM RESISTOR

NOTE 1

RUN

NOTE 2

50HJ540573

ACTUATOR ASSEMBLY

DIRECT DRIVE

ACTUATOR

 

 

4

 

 

3

 

 

7

 

RED

2

 

 

 

 

8

PINK

 

6

 

 

BLUE

 

5

OAT

 

 

 

 

BLACK

1

 

 

 

 

10

 

 

11

 

 

9

 

WHITE

12

 

 

a50-8058

ECONOMISER2 PLUG

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.

EconoMi$er2 Wiring — 542J150,180

542J

a48-6005

NOTES:

1.If the Non-Fused Disconnect Service Option is ordered for size 150 and 180 units, the Non-Fused Disconnect will be factory-installed.

2.The Disconnect takes the place of TB-1 as shown on the unit wiring diagram label and the component arrangement label.

Non-Fused Disconnect (Optional) — 542J150,180

156

Page 156
Image 156
Bryant 549C EconoMi$er2 Wiring 542J150,180, Non-Fused Disconnect Optional 542J150,180, OAT Outdoor Air Temperature Sensor