Bryant 355MAV instruction manual Opening Dimensions, Furnace Plenum Opening Floor Opening

Page 18

Table 1—Opening Dimensions (in.)

FURNACE

 

PLENUM OPENING

FLOOR OPENING

CASING

APPLICATION

 

 

 

 

A

B

C

D

WIDTH

 

 

Upflow Applications

16

24-1/8

16-5/8

24-3/4

 

Downflow Applications on Non-Combustible Flooring

15-7/8

19

16-1/2

19-5/8

 

Downflow Applications on Combustible Flooring Using KGASB

 

 

 

 

 

Subbase

15-1/8

19

16-3/4

20-3/8

17-1/2

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC

 

 

 

 

Coil Box

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Combustible Flooring NOT Using

 

 

 

 

 

KGASB Subbase

15-1/2

19

16-1/2

20

 

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC

 

 

 

 

 

 

Coil Box

 

 

 

 

 

Upflow Applications

19-1/2

24-1/8

20-1/8

24-3/4

 

Downflow Applications on Non-Combustible Flooring

19-3/8

19

20

19-5/8

 

Downflow Applications on Combustible Flooring Using KGASB

 

 

 

 

 

Subbase

18-5/8

19

20-1/4

20-3/8

21

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC

 

 

 

 

Coil Box

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Combustible Flooring NOT Using

 

 

 

 

 

KGASB Subbase

19

19

20

20

 

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC

 

 

 

 

 

 

Coil Box

 

 

 

 

 

Upflow Applications

23

24-1/8

23-5/8

24-3/4

 

Downflow Applications on Non-Combustible Flooring

22-7/8

19

23-1/2

19-5/8

 

Downflow Applications on Combustible Flooring Using KGASB

 

 

 

 

 

Subbase

22-1/8

19

23-3/4

20-3/8

24-1/2

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC

 

 

 

 

Coil Box

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Combustible Flooring NOT Using

 

 

 

 

 

KGASB Subbase

22-1/2

19

23-1/2

20

 

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC

 

 

 

 

 

 

Coil Box

 

 

 

 

 

 

 

 

 

 

5/16

(8mm)

(8mm)

5/16

13/4

(44mm)

(8mm) 5/16

(44mm) 1 3/4 (44mm)1 3/4

13/4

(44mm)

(8mm) 5/16

A89014

Fig. 17—Leveling Legs

—18—

Image 18
Contents Installation, Start-up, and Operating Instructions Table of ContentsLocation Safety Considerations IntroductionCodes and Standards Dimensions Unit SizeInstaller Packet Includes Clearances to CombustiblesElectrostatic Discharge ESD Precaution Procedure Applications Procedure 1-GENERALProcedure 2-UPFLOW Applications Condensate Trap Location Factory-Shipped OrientationCondensate Trap Tubing Factory-Shipped Orientation Condensate Trap Location Alternate Upflow Orientation Condensate Trap Tubing Alternate Upflow OrientationCondensate Trap Field Drain Attachment Pressure Switch TubingProcedure 3-DOWNFLOW Applications Condensate Trap Freeze ProtectionDownflow Tube Configuration Right-Hand Trap Installation Condensate Trap TubingCondensate Trap Field Drain Attachment Condensate Trap Field Drain Attachments Construct a Working PlatformAttic Location and Working Platform Horizontal Right Tube Configuration Location Procedure 1-GENERAL Furnace Location for Proper Condensate DrainageProhibit Installation on Back Procedure 2-LOW-FIRE only InstallationProcedure 3-FURNACE Location Relative to Coolingequipment Procedure 4-HAZARDOUS LocationsInstallation Procedure 1-LEVELING Legs if Desired Opening Dimensions Furnace Plenum Opening Floor OpeningFloor and Plenum Opening Dimensions Procedure 3-INSTALLATION in Horizontal ApplicationsProcedure 4-AIR Ducts General RequirementsDuctwork Acoustical Treatment Supply Air ConnectionsReturn Air Connections Procedure 7-GAS Piping Procedure 5-FILTER ArrangementProcedure 6-BOTTOM Closure Panel Filter InformationBottom Filter Arrangement Maximum Capacity of Pipe Nominal Length of Pipe FTInternal Pipe Diameter Size Procedure 8-ELECTRICAL Connections WiringAccessories Electrical DataProcedure 9-DIRECT Venting Removal of Existing Furnaces from Common Vent SystemsUnit Wiring Diagram Control Center Combustion-Air and Vent Piping355MAV Variable Speed Furnace Control Location Clearance FT OpeningCombustion-Air and Vent Pipe Connections Short Vent 5 to 8 ft System Maximum Allowable Pipe Length ft Altitude FT4001 to 5000‡ Intake Housing Plug Fitting Drain Roof Termination Preferred Concentric Vent and Combustion-Air RoofTermination Preferred Sidewall Termination of Less than 12 Procedure 10-CONDENSATE Drain Multiventing and Vent TerminationsGeneral Condensation Drain Protection ″ 25 mm Maximum TYP Example of Field Drain Attachment Sequence of OperationProcedure 3-HEATING MODE-TWO Stage Procedure 1-SELF-TEST ModeProcedure 2-HEATING Mode Procedure 4-EMERGENCY Heat ModeSingle-Speed Applications Procedure 5-COOLING ModeProcedure 6-HEAT Pump Mode Two-Speed ApplicationsProcedure 7-CONTINUOUS FAN Mode Procedure 8-COMPONENT TestProcedure 9-BYPASS Humidifier Mode Procedure 10-DEHUMIDIFICATION ModeProcedure 11-ZONE Mode START-UP Procedures Procedure 1-GENERALProcedure 2-SELECT Setup Switch Positions AIR Setup Allowable Furnace Model Setup Air Conditioning A/C Airflow Switch PositionSetup Switches SW Switch Position TonsProcedure 3-PRIME Condensate Trap with Water Procedure 4-PURGE GAS LinesProcedure 5-ADJUSTMENTS Filling Condensate Trap Altitude AVG GAS Specific Gravity of Natural GAS Heat ValueAltitude United States Canada Set Temperature Rise Redundant Automatic Gas ValveExample Altitude Derate Multiplier for U.S.ASet Thermostat Heat Anticipator Altitude Percent Derate MultiplierGas Rate Cu Ft/Hr Procedure 6-CHECK Safety ControlsCheck Pressure Switches Check Primary Limit ControlProcedure 7-CHECKLIST Amp Draw Check with AmmeterCHECKLIST-INSTALLATION Combustion and Vent Piping CHECKLIST-START-UPBook/Tab 1/6 Catalog No
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355MAV specifications

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