Bryant 581B Power Wiring Connections, Low-Voltage Connections With or Without Economizer

LEGEND

C ——Contactor

COMPS ——Compressors

EQUIP —— Equipment

GND —— Ground

IFC ——Indoor(Evaporator)

FanFanContactor

NEC ——NationalElectricalCode

TB ——TerminalBlock

Fig. 10 — Power Wiring Connections

BRYANT ELECTRONIC THERMOSTAT

COOL STAGE 1	Y1/W2
FAN	G
HEAT STAGE 1	W/W1
COOL STAGE 2	Y/Y2
HEAT STAGE 2	O/W2
24 VAC HOT	R
24 VAC COM	C
N/A
OUTDOOR AIR	S1
SENSOR	S2

R

G

Y1

Y2

W1

W2

C

IPD/X

WIRE CONNECTIONS TO LOW-VOLTAGE SECTION

RACEWAY LOW VOLTAGE		INTEGRATED GAS UNIT
	CONNECTIONS	CONTROLLER (IGC)

THERMOSTAT DIPSWITCH SETTINGS

ON

OFF

A B C D

LEGEND

Field Wiring

NOTE: Underlined letter indicates active thermostat output when con- figured for A/C operation.

Fig. 11 — Low-Voltage Connections With or

Without Economizer

HOLE IN END PANEL (HIDDEN)

Fig. 12 — Field Control Wiring Raceway

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