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Bryant 581B manual TYPICAL WIRING SCHEMATIC cont, 208/230 V 3-PhaseUnit Shown cont

Models: 581B

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TYPICAL WIRING SCHEMATIC (cont)

TYPICAL WIRING SCHEMATIC (cont)

581B036-072 Typical Wiring Schematic and Component Arrangement

(208/230 V 3-Phase Unit Shown) (cont)

			LEGEND
AHA	— Adjustable Heat Anticipator	IFM	— Indoor (Evaporator) Fan Motor
C	— Contactor, Compressor	IGC	— Integrated Gas Unit Controller
CAP	— Capacitor	LED	— Light-Emitting Diode
CC	— Cooling Compensator	LPS	— Low-Pressure/Loss-of-Charge Switch
CLO	— Compressor Lockout	LS	— Limit Switch
COMP	— Compressor Motor	MGV	— Main Gas Valve
D	— Diode	MTR	— Motor
EC	— Enthalpy Control	OAT	— Outdoor-Air Thermostat
ECON	— Economizer	OFM	— Outdoor (Condenser) Fan Motor
EPS	— Emergency Power Supply	OLR	— Overload
EQUIP	— Equipment	P	— Plug
ER	— Economizer Relay	PL	— Plug Assembly
FPT	— Freeze-Protection Thermostat	QT	— Quadruple Terminal
FSS	— Filter-Status Switch	R	— Relay
FU	— Fuse	RS	— Rollout Switch
GND	— Ground	SAT	— Supply-Air Thermostat
GVR	— Gas Valve Relay	SEN	— Sensor
HPS	— High-Pressure Switch	SW1	— Switch Fully Open
HS	— Hall-Effect Sensor	SW2	— Switch Fully Closed
HV	— High Voltage	SW3	— Switch Minimum Vent Position
I	— Ignitor	SW4	— Switch Maximum Vent Position
IDM	— Induced-Draft Motor	TC	— Thermostat-Cooling
IFC	— Indoor (Evaporator) Fan Contactor

TH — Thermostat-Heating

TRAN — Transformer

Field Splice

Marked Wire

Terminal (Marked)

Terminal (Unmarked)

Terminal Block

Splice

Splice (Marked)

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or Optional Wiring

To indicate common potential only.

Not to represent wiring.

NOTES:

1.If any of the original wire furnished must be replaced, it must be replaced with Type 90 C wire or its equivalent.

2.Three-phase motors are protected under primary single-phasing conditions.

3.Thermostats: HH07AT170, 172

Subbase: HH93AZ176, 177, 178 and 179

4.Set heat anticipator at .14 amp for first stage and .14 amp for second stage.

5.Use copper conductors only.

6.TRAN is wired for 230 v unit. If unit is to be run with 208 v power supply, disconnect BLK wire from 230 v tap and connect to 208 v tap (RED). Insulate end of 230 v tap.

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Bryant 581B manual TYPICAL WIRING SCHEMATIC cont, 208/230 V 3-PhaseUnit Shown cont

Contents

FEATURES/BENEFITS Model 581BCOMMERCIAL SINGLE PACKAGE ROOFTOPFEATURES/BENEFITS cont TABLE OF CONTENTS FEATURES/BENEFITS contMODEL NUMBER NOMENCLATURE FEATURES/BENEFITS contSizes 036-120OnlySize 150 Only ARI* CAPACITIESHEATING CAPACITIES AND EFFICIENCIES OPTIONS AND ACCESSORIES LOW AMBIENT CONTROLSTIME GUARD II CONTROL LIQUID PROPANE CONVERSION KITOPTIONS AND ACCESSORIES cont UNIT MOUNTED DISCONNECTCONVENIENCE OUTLET ECONOMI$EROPTIONS AND ACCESSORIES cont HAIL GUARDACCUSENSOR II ENTHALPY CONTROL COIL GUARD GRILLEPHYSICAL DATA OPERATING WEIGHT lbCOMPRESSOR ScrollPHYSICAL DATA cont HIGH-PRESSURESWITCH psigLOSS-OF-CHARGE SWITCH/LOW-PRESSURESWITCH CleanableOPERATING WEIGHT lb PHYSICAL DATA contCOMPRESSOR ScrollHIGH-PRESSURESWITCH psig SWITCH psigCleanable PHYSICAL DATA contBASE UNIT DIMENSIONS 581B036-072BASE UNIT DIMENSIONS cont 581B090-150ACCESSORY DIMENSIONS — 581B036-072 ACCESSORY DIMENSIONS — 581B090-150 SELECTION PROCEDURE With 581B048 Example PERFORMANCE DATA COOLING CAPACITIESPERFORMANCE DATA cont COOLING CAPACITIES contPERFORMANCE DATA cont 581B090 71/2 TONSPERFORMANCE DATA cont 581B120 10 TONSPERFORMANCE DATA cont 41.3PERFORMANCE DATA cont 69.9PERFORMANCE DATA cont 50.4PERFORMANCE DATA cont 134.3PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITSPERFORMANCE DATA cont FAN PERFORMANCE — VERTICAL DISCHARGE UNITS contPERFORMANCE DATA — cont PERFORMANCE DATA cont 581B072 6 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B090 71/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B102 81/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B120 10 TONS - STANDARD AND HIGH-STATICMOTORPERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITSPERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS contPERFORMANCE DATA cont AIRFLOWPERFORMANCE DATA cont 581B072 6 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B090 71/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B102 81/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B120 10 TONS — STANDARD AND HIGH-STATICMOTOROUTDOOR SOUND POWER TOTAL UNIT PERFORMANCE DATA contECONOMIZER STATIC PRESSURE DROP in. wg 581B036-072PERFORMANCE DATA cont EVAPORATOR-FANMOTOR DATA — STANDARD MOTORPERFORMANCE DATA cont EVAPORATOR-FANMOTOR DATA - HIGH-STATICMOTORSDamper Characteristics EconoMi$er Power Exhaust Performance 581B036-072EconoMi$er Power Exhaust Performance 581B090-150 PERFORMANCE DATA contPERFORMANCE DATA cont ALTITUDE COMPENSATIONALTITUDE COMPENSATION ALTITUDE DERATING FACTOR 581B036-150ELECTRICAL DATA ELECTRICAL DATA cont ELECTRICAL DATA cont NOMINALELECTRICAL DATA cont 12.4APPLICATION DATA 18.PERFECT HUMIDITY DEHUMIDIFICATION PACKAGE APPLICATION DATA contFEATURES AND BENEFITS APPLICATION DATA cont Perfect Humidity Dehumidification OptionAPPLICATION DATA cont Pressure Enthalpy CurvePsychrometric Chart 581B072 Shown APPLICATION DATA contPoint — Entering Air F 80 db/67 wbHorizontal Discharge TYPICAL PIPING AND WIRINGVertical Discharge TYPICAL WIRING SCHEMATIC 208/230 V 3-PhaseUnit ShownTYPICAL WIRING SCHEMATIC cont 208/230 V 3-PhaseUnit Shown contTYPICAL WIRING SCHEMATIC cont 581B090-150Typical Wiring SchematicCONTROLS CONTROLS cont PART 2 - PRODUCTS GUIDE SPECIFICATIONSPART 1 — GENERAL GUIDE SPECIFICATIONS cont GUIDE SPECIFICATIONS cont 11. Return-AirTemperature SensorPage SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Copyright 2000 Bryant Heating & Cooling SystemsPrinted in U.S.A 12/00