Bryant manual Typical Wiring Schematics, 502A024, 230-1-60 Units

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TYPICAL WIRING SCHEMATICS (cont)

LEGEND

AHA

— Adjustable Heat Anticipator

TH

—

Thermostat-Heating

C

— Contactor Compressor

TRAN

—

Transformer

CAP

—

Capacitor

 

 

Marked Wire

CB

—

Circuit Breaker

 

 

CC— Cooling Compensator

CDT

— Compressor Discharge Thermostat

Denotes connection point between

COMP

— Compressor Motor

subbase and thermostat

EQUIP

— Equipment

Terminal (Marked)

FU

— Fuse

 

GND

— Ground

Terminal (Unmarked)

HPS

— High-Pressure Switch

Terminal Block

HR

— Heater Relay

IFC

— Indoor-Fan Contactor

Field Splice

IFM

— Indoor-Fan Motor

IFR

— Indoor-Fan Relay

Splice (Marked)

JB

— Junction Box

L— Light

LPS

— Low-Pressure Switch

 

 

 

 

 

Factory Splice

NS

— Night Setback Switch

 

 

 

 

 

Factory Wiring

OAT

— Outdoor-Air Thermostat

 

 

 

 

 

 

 

 

 

 

 

OFC

— Outdoor-Fan Contactor

 

 

 

 

 

Accessory or Optional Wiring

OFM

— Outdoor-Fan Motor

 

 

 

 

 

 

 

 

 

 

 

PL

— Plug Assembly

 

 

 

 

 

Field Control Wiring

QT

— Quadruple Terminal

 

 

 

 

 

 

 

 

 

 

 

RC

— Run Capacitor

 

 

 

 

 

Field Power Wiring

SW

— Switch

 

 

 

 

 

To indicate common potential

TB

— Terminal Block

 

 

 

 

 

TC

— Thermostat-Cooling

 

 

 

 

 

only, not to represent wiring

NOTES:

1.Neutral for 240/416 v supply (Canada only).

2.If any original wires furnished must be replaced, it should be replaced with 90 C or its equivalent.

3.Numbers indicate the line location of used contacts. A bracket over 2 numbers signifies a single-pole double-throw contact. An underlined number signifies a normally closed contact. Plain (no line) number signifies a normally open contact.

4.Must use thermostat HH07AT170, 172 or 174 with subbase HN63AZ176, 177 or 179.

5.Separate field power supply required for electric heater accessory.

502A024, 230-1-60 Units

11

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Contents Model 502A FEATURES/BENEFITSARI* Capacity Ratings Table of ContentsModel Number Nomenclature Unit 502A Operating Weight Distribution Center of GravityDimensions Physical Data88EN Electric Heat Module FIELD-INSTALLED AccessoriesAccessory DimensionsUnit Component Locations Base Unit DimensionsDimensions ft-in Performance Data Selection Procedure with exampleEvaporator FAN Performance Performance DataGross Cooling Capacities Condenser FAN Performance Belt Drive Evaporator FAN PerformanceCooling ControlsElectrical Data Operating SequenceElectric Heater Static Pressure Drop in. wg Typical Wiring SchematicsElectrical Data 502A024, 230-1-60 Units Typical Wiring Schematics502A048,060, 230-1-60 Units BKR W/AT 502A048,060, 575-3-60 UnitsWith Head Pressure Control Minimum Maximum Typical Piping and WiringOUTDOOR-AIR Temperature Operating Limits F Application DataPart 2 Products Guide SpecificationsIndoor Packaged Unit Part 1 GeneralSpecifications Subject to Change Without Notice Guide Specifications