Manuals / Bryant / Household Appliance / Air Conditioner

Bryant 581B installation instructions And Component Arrangement

Models: 581B

1 40

Download 40 pages 47.12 Kb

Page 38

LEGEND AND NOTES FOR FIG. 45 Ð TYPICAL CONTROL WIRING SCHEMATIC

AND COMPONENT ARRANGEMENT

AHA Ð Adjustable Heat Anticipator

CÐ Contactor, Compressor

CAP Ð Capacitor

CC Ð Cooling Compensator

CLO Ð	Compressor Lockout
COMP Ð	Compressor Motor

DÐ Diode

EC	Ð Enthalpy Control
ECON	Ð Economizer
EPS	Ð Emergency Power Supply (9-V Battery)
EQUIP	Ð Equipment
ER	Ð Economizer Relay
FPT	Ð Freeze-Protection Thermostat
FU	Ð Fuse
GND	Ð Ground
HPS	Ð High-Pressure Switch
HS	Ð Hall Effect Sensor

IÐ Ignitor

IDM	Ð Induced Draft Motor
IFC	Ð	Indoor-Fan Contactor
IFM	Ð	Indoor-Fan Motor
IGC	Ð Integrated Gas Unit Controller
LPS	Ð Low-Pressure Switch
LS	Ð Limit Switch
MGV	Ð Main Gas Valve
MTR	Ð Motor
OAT	Ð Outdoor-Air Thermostat
OFM	Ð Outdoor-Fan Motor

PÐ Plug

PL	Ð	Plug Assembly
QT	Ð	Quadruple Terminal

RÐ Relay

RS	Ð Rollout Switch

SAT	Ð Supply-Air Thermostat
SEN	Ð Sensor
SW1	Ð Switch Fully Open
SW2	Ð Switch Fully Closed
SW3	Ð Switch Minimum Vent Position
SW4	Ð Switch Maximum Vent Position
TC	Ð Thermostat-Cooling
TH	Ð Thermostat-Heating

TRAN Ð Transformer

Field Splice

Marked Wire

Terminal (Marked)

Terminal (Unmarked)

Terminal Block

Splice

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or Optional Wiring

To indicate common potential only, not to represent wiring.

NOTES:

1.Replace original wire with type 90 C wire or its equivalent.

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

3.Use thermostats: HH07AT170,172

Subbases: HH93AZ176, 177, 178, and 179

4.Set heat anticipator at .14 amp for ®rst 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.

Copyright 1998 Bryant Heating & Cooling Systems

CATALOG NO. 5358-100

Image 38

Bryant 581B installation instructions And Component Arrangement

Contents

SAFETY CONSIDERATIONS IMPORTANT Ð READ BEFORE INSTALLINGCONTENTS Fig. 1 Ð Typical UnitFig. 2 Ð Base Unit Dimensions I. LOCATE THE UNIT A. Clearance INSTALLATIONFig. 3 Ð Service and Operational Clearances B. Roof Curb MountFig. 4 Ð Roof Curb Dimensions III. RIG AND PLACE UNIT Fig. 5 Ð Unit Leveling TolerancesII. UNIT DUCT CONNECTIONS Fig. 6 Ð Rigging DetailsTable 1 Ð Specications IV. FIELD CONNECTIONS B. Install Flue HoodWith Accessory Utility Connections Package A. External Trap Condensate DrainBased on a 0.60 Specic Gravity Gas Fig. 11 Ð Sediment TrapE.Electrical Connections D. Field Duct ConnectionsFig. 12 Ð Location of Coil Area Not To Be Drilled Fig. 14 Ð Low-VoltageConnections With or Fig. 13 Ð Power Wiring ConnectionsFig. 15 Ð Field-ControlWiring Raceway Without Economizer or Two-PositionDamperHigh-VoltageConnections Fig. Table 4 Ð Thermostat List Fig. 18 Ð Varislide Economizer Installed in Unit Fig. 16 Ð Typical Access Panel LocationsF. Accessory Installation G. Optional Varislide EconomizerH. Optional PARABLADE Economizer 90 Degree RotationFig. 20 Ð Horizontal Discharge Block-OffPlate Damper Characteristics Control InstallationFig. 24 Ð Wiring Connections for Outdoor-Air Fig. 23 Ð Outdoor-AirThermostat/EnthalpyFig. 29 Ð Outdoor-AirHood Installed On Unit Fig. 26 Ð PARABLADE Economizer Installed in UnitFig. 28 Ð Panels Reinstalled On Unit START-UP I. COMPRESSOR ROTATION Fig. 30 Ð Filter Installed on Outdoor-AirHoodPRE-START-UP E. Adjusting Gas Input II.HEATING SECTION START-UPAND ADJUSTMENTSB. Safety Relief A. Checking Heating Control OperationFig. 31 Ð Burner Tray Details J. Limit Switches G. Air¯ow and Temperature RiseH. Safety Check of Limit Control K. Rollout SwitchA. Checking Cooling Control Operation III. COOLING SECTION START-UPAND ADJUSTMENTSB.Checking and Adjusting Refrigerant Charge C. Unit ControlsA. Belt Drive Motors IV. INDOOR AIRFLOW AND AIRFLOW ADJUSTMENTSFig. 34 Ð Evaporator-FanPulley Adjustment Fig. 33 Ð Belt Drive Motor MountingTable 8 Ð Evaporator Fan Motor Data Table 7 Ð Fan Rpm at Motor Pulley SettingsB. Ventilation Sequence Ð24Ð Ð25Ð Ð26Ð Ð27Ð CARE AND MAINTENANMCE SERVICEI. CLEANING I.AIR FILTERFig. 38 Ð Condenser Fan Adjustment Fig. 35 Ð Cleaning Condenser CoilIII.CONDENSER-FANADJUSTMENT Fig. IV. ECONOMIZER ADJUSTMENTFig. 40 Ð Cooling Charging Chart, 581B048 C. To Use Cooling Charging ChartsFig. 39 Ð Cooling Charging Chart, 581B036 B. Low Charge CoolingFig. 42 Ð Cooling Charging Chart, 581B072 Fig. 43 Ð Burner Section Details IX. LIMIT SWITCHFig. 41 Ð Cooling Charging Chart, 581B060 Table 17 Ð LED Error Code DescriptionFig. 44 Ð Spark Adjustment B.Cleaning and AdjustmentXI. REPLACEMENT PARTS Table 19 Ð Heating Service Analysis TROUBLESHOOTINGTable 18 Ð LED Error Code Service Analysis Ð33ÐTable 20 Ð Cooling Service Analysis Ð34ÐTable 21 Ð Varislide Economizer Troubleshooting Ð35ÐTable 22 Ð PARABLADE Economizer Troubleshooting Ð36ÐÐ37Ð AND COMPONENT ARRANGEMENT Page Remove and Store in Job File START-UPCHECKLISTTEMPERATURES I. PRELIMINARY INFORMATION