Bryant 579F User Manual page 140

a48-7910
LEGEND
IAQ — Indoor Air Quality
LA — Low Ambient Lockout Device
POT — Potentiometer
OAT — Outdoor-Air Temperature
RAT — Return-Air Temperature
NOTE 1
RUN
NOTE 2
50HJ540573
ACTUATOR
ASSEMBLY
DIRECT DRIVE
ACTUATOR
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 — 581B (cont)
ECONOMIZER NOTES:
NOTE:
1. 620 ohm, 1 watt 5% resister should be removed only when using differential
Potentiometer Defaults Settings:
Power Exhaust Middle
Minimum Pos. Fully Closed 2. If a separate field supplied 24v transformer is used for the IAQ sensor
DCV Max. Middle
DCV Set Middle
3. For field installed remote minimum position POT, remove black wire jumper
Enthalpy C Setting
EconoMi$er IV Wiring — 581B036-150 Units
500 OHM
RESISTOR
-
+
OPTIONAL CO
2
SENSOR 4 - 20 mA
OUTPUT
a48-8209
EconoMi$er2 Wiring — 581B036-150 Units
140
enthalpy or dry bulb.
power supply, it cannot have the secondary of the transformer grounded.
between P and P1 and set control minimum position POT to the minimum
position.
VIOLET
PINK
BLACK
4
3
5
BLUE
2
8
6
7
RED
1
10
11
9
WHITE
12
ECONOMISER2 PLUG