Manuals / Bryant / Household Appliance / Air Conditioner

Bryant 581B installation instructions Ð Roof Curb Dimensions

Models: 581B

1 40

Page 4

ROOF CURB	``A''	UNIT SIZE
ACCESSORY

CRRFCURB001A00	14
	[356]
		581B036-072
CRRFCURB002A00	24

	[610]

NOTES:

1.Roof curb accessory is shipped disassembled.

2.Insulated panels.

3. Dimensions in [ ] are in millimeters.

4.Roof curb: galvanized steel.

5.Attach ductwork to curb (¯anges of duct rest on curb).

6.Service clearance 4 ft on each side.

7. Direction of air¯ow.

SERVICE PLATE SIZES

CONNECTOR

UNIT

``D'' Alt

``E''

``F''

``G''

PACKAGE

581B

``B''

``C''

Drain

Gas

Power

Control

ACCESSORY

Hole

3¤4

NPT

3¤4

NPT

3¤4 NPT

314213-204

¤16

¤4

(Thru-the-Side)

036-072

[551]

[406]

[44.5]

3¤4

NPT

3¤4

NPT

1¤2 NPT

CRBTMPWR001A00

(Thru-the-Bottom)

Fig. 4 Ð Roof Curb Dimensions

Ð4Ð

Page 4

Image 4

Bryant 581B installation instructions Ð Roof Curb Dimensions

Contents

IMPORTANT Ð READ BEFORE INSTALLING CONTENTSSAFETY CONSIDERATIONS Fig. 1 Ð Typical UnitFig. 2 Ð Base Unit Dimensions INSTALLATION Fig. 3 Ð Service and Operational ClearancesI. LOCATE THE UNIT A. Clearance B. Roof Curb MountFig. 4 Ð Roof Curb Dimensions Fig. 5 Ð Unit Leveling Tolerances II. UNIT DUCT CONNECTIONSIII. RIG AND PLACE UNIT Fig. 6 Ð Rigging DetailsTable 1 Ð Specications B. Install Flue Hood With Accessory Utility Connections PackageIV. FIELD CONNECTIONS A. External Trap Condensate DrainBased on a 0.60 Specic Gravity Gas Fig. 11 Ð Sediment TrapFig. 12 Ð Location of Coil Area Not To Be Drilled D. Field Duct ConnectionsE.Electrical Connections Fig. 13 Ð Power Wiring Connections Fig. 15 Ð Field-ControlWiring RacewayFig. 14 Ð Low-VoltageConnections With or Without Economizer or Two-PositionDamperHigh-VoltageConnections Fig. Table 4 Ð Thermostat List Fig. 16 Ð Typical Access Panel Locations F. Accessory InstallationFig. 18 Ð Varislide Economizer Installed in Unit G. Optional Varislide EconomizerFig. 20 Ð Horizontal Discharge Block-OffPlate 90 Degree RotationH. Optional PARABLADE Economizer Control Installation Fig. 24 Ð Wiring Connections for Outdoor-AirDamper Characteristics Fig. 23 Ð Outdoor-AirThermostat/EnthalpyFig. 28 Ð Panels Reinstalled On Unit Fig. 26 Ð PARABLADE Economizer Installed in UnitFig. 29 Ð Outdoor-AirHood Installed On Unit PRE-START-UP Fig. 30 Ð Filter Installed on Outdoor-AirHoodSTART-UP I. COMPRESSOR ROTATION II.HEATING SECTION START-UPAND ADJUSTMENTS B. Safety ReliefE. Adjusting Gas Input A. Checking Heating Control OperationFig. 31 Ð Burner Tray Details G. Air¯ow and Temperature Rise H. Safety Check of Limit ControlJ. Limit Switches K. Rollout SwitchIII. COOLING SECTION START-UPAND ADJUSTMENTS B.Checking and Adjusting Refrigerant ChargeA. Checking Cooling Control Operation C. Unit ControlsIV. INDOOR AIRFLOW AND AIRFLOW ADJUSTMENTS Fig. 34 Ð Evaporator-FanPulley AdjustmentA. Belt Drive Motors Fig. 33 Ð Belt Drive Motor MountingB. Ventilation Sequence Table 7 Ð Fan Rpm at Motor Pulley SettingsTable 8 Ð Evaporator Fan Motor Data Ð24Ð Ð25Ð Ð26Ð Ð27Ð SERVICE I. CLEANINGCARE AND MAINTENANMCE I.AIR FILTERFig. 35 Ð Cleaning Condenser Coil III.CONDENSER-FANADJUSTMENT Fig.Fig. 38 Ð Condenser Fan Adjustment IV. ECONOMIZER ADJUSTMENTC. To Use Cooling Charging Charts Fig. 39 Ð Cooling Charging Chart, 581B036Fig. 40 Ð Cooling Charging Chart, 581B048 B. Low Charge CoolingFig. 43 Ð Burner Section Details IX. LIMIT SWITCH Fig. 41 Ð Cooling Charging Chart, 581B060Fig. 42 Ð Cooling Charging Chart, 581B072 Table 17 Ð LED Error Code DescriptionXI. REPLACEMENT PARTS B.Cleaning and AdjustmentFig. 44 Ð Spark Adjustment TROUBLESHOOTING Table 18 Ð LED Error Code Service AnalysisTable 19 Ð Heating 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 START-UPCHECKLIST TEMPERATURESRemove and Store in Job File I. PRELIMINARY INFORMATION