Bryant 355MAV Procedure 2-UPFLOW Applications, Condensate Trap Tubing Factory-Shipped Orientation

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PLUG

 

CAP

 

COLLECTOR BOX

 

DRAIN TUBE (BLUE

 

& WHITE STRIPED)

 

COLLECTOR BOX

 

TUBE (PINK)

 

INDUCER HOUSING

 

(MOLDED) DRAIN

 

TUBE (BEHIND

 

COLLECTOR BOX

 

DRAIN TUBE)

 

COLLECTOR BOX

 

DRAIN TUBE (BLUE)

CONDENSATE

 

COLLECTOR BOX

TRAP

TUBE (GREEN)

 

FIELD-INSTALLED

 

FACTORY-SUPPLIED

 

DRAIN TUBE

 

COUPLING (LEFT

 

DRAIN OPTION)

 

FIELD-INSTALLED

 

FACTORY-SUPPLIED

 

DRAIN TUBE

 

FIELD-INSTALLED

FIELD-INSTALLED

FACTORY-SUPPLIED

FACTORY-SUPPLIED

1Ú2 -IN. CPVC STREET

DRAIN TUBE

ELBOWS (2) FOR

COUPLING (RIGHT

LEFT DRAIN OPTION

DRAIN OPTION)

A94213

Fig. 5—Factory-Shipped Upflow Tube Configuration

(Shown with Blower Access Panel Removed)

PROCEDURE 2—UPFLOW APPLICATIONS

In an upflow application, the blower is located below the burner section, and conditioned air is discharged upwards.

A. Condensate Trap Location (Factory-Shipped Orientation)

The condensate trap is factory installed in the blower shelf and factory connected for UPFLOW applications. A factory-supplied tube is used to extend the condensate trap drain connection to the desired furnace side for field drain attachment. See Condensate Trap Tubing (Factory-Shipped Orientation) section for drain tube extension details.

B. Condensate Trap Tubing (Factory-Shipped Orientation)

NOTE: See Fig. 5 or tube routing label on main furnace door to confirm location of these tubes.

1.Collector Box Drain, Inducer Housing Drain, Relief Port, and Pressure Switch Tubes.

These tubes should be factory attached to condensate trap and pressure switch ready for use in upflow applications. These tubes can be identified by their connection location and also by a color label on each tube. These tubes are identified as follows: collector box drain tube (blue label), inducer housing drain tube (violet label or molded), relief port tube (green label), and pressure switch tube (pink label).

2.Condensate Trap Drain Tube.

The condensate trap drain connection must be extended for field attachment by doing the following: a. Determine location of field drain connection. (See Fig. 2 or 5.)

NOTE: If internal filter or side Filter/Media Cabinet is used, drain tube should be located to opposite side of casing of return duct attachment to assist in filter removal.

b.Remove and discard casing drain hole plug button from desired side.

c.Install drain tube coupling grommet (factory-supplied in loose parts bag) in selected casing hole.

d.Slide drain tube coupling (factory-supplied in loose parts bag) through grommet ensuring long end of coupling faces blower.

e.Cement 2 factory-supplied 1/2-in. street CPVC elbows to the rigid drain tube connection on the condensate trap. (See Fig. 5.) These elbows must be cemented together and cemented to condensate trap drain connection.

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Contents Table of Contents Installation, Start-up, and Operating InstructionsLocation Introduction Safety ConsiderationsCodes and Standards Unit Size DimensionsClearances to Combustibles Installer Packet IncludesApplications Procedure 1-GENERAL Electrostatic Discharge ESD Precaution ProcedureCondensate Trap Location Factory-Shipped Orientation Procedure 2-UPFLOW ApplicationsCondensate Trap Tubing Factory-Shipped Orientation Condensate Trap Tubing Alternate Upflow Orientation Condensate Trap Location Alternate Upflow OrientationCondensate Trap Freeze Protection Pressure Switch TubingProcedure 3-DOWNFLOW Applications Condensate Trap Field Drain AttachmentCondensate Trap Tubing Downflow Tube Configuration Right-Hand Trap InstallationCondensate Trap Field Drain Attachment Construct a Working Platform Condensate Trap Field Drain AttachmentsAttic Location and Working Platform Horizontal Right Tube Configuration Furnace Location for Proper Condensate Drainage Location Procedure 1-GENERALProcedure 2-LOW-FIRE only Installation Prohibit Installation on BackProcedure 4-HAZARDOUS Locations Procedure 3-FURNACE Location Relative to CoolingequipmentInstallation Procedure 1-LEVELING Legs if Desired Furnace Plenum Opening Floor Opening Opening DimensionsProcedure 3-INSTALLATION in Horizontal Applications Floor and Plenum Opening DimensionsGeneral Requirements Procedure 4-AIR DuctsSupply Air Connections Ductwork Acoustical TreatmentReturn Air Connections Filter Information Procedure 5-FILTER ArrangementProcedure 6-BOTTOM Closure Panel Procedure 7-GAS PipingBottom Filter Arrangement Nominal Length of Pipe FT Maximum Capacity of PipeInternal Pipe Diameter Size Wiring Procedure 8-ELECTRICAL ConnectionsElectrical Data AccessoriesRemoval of Existing Furnaces from Common Vent Systems Procedure 9-DIRECT VentingUnit Wiring Diagram Combustion-Air and Vent Piping Control Center355MAV Variable Speed Furnace Control Opening Location Clearance FTCombustion-Air and Vent Pipe Connections Short Vent 5 to 8 ft System Altitude FT Maximum Allowable Pipe Length ft4001 to 5000‡ Intake Housing Plug Fitting Drain Roof Termination Preferred Concentric Vent and Combustion-Air RoofTermination Preferred Sidewall Termination of Less than 12 Multiventing and Vent Terminations Procedure 10-CONDENSATE DrainGeneral Condensation Drain Protection ″ 25 mm Maximum TYP Sequence of Operation Example of Field Drain AttachmentProcedure 4-EMERGENCY Heat Mode Procedure 1-SELF-TEST ModeProcedure 2-HEATING Mode Procedure 3-HEATING MODE-TWO StageTwo-Speed Applications Procedure 5-COOLING ModeProcedure 6-HEAT Pump Mode Single-Speed ApplicationsProcedure 8-COMPONENT Test Procedure 7-CONTINUOUS FAN ModeProcedure 10-DEHUMIDIFICATION Mode Procedure 9-BYPASS Humidifier ModeSTART-UP Procedures Procedure 1-GENERAL Procedure 11-ZONE ModeProcedure 2-SELECT Setup Switch Positions Switch Position Tons Air Conditioning A/C Airflow Switch PositionSetup Switches SW AIR Setup Allowable Furnace Model SetupProcedure 4-PURGE GAS Lines Procedure 3-PRIME Condensate Trap with WaterProcedure 5-ADJUSTMENTS Filling Condensate Trap Heat Value Altitude AVG GAS Specific Gravity of Natural GASAltitude United States Canada Redundant Automatic Gas Valve Set Temperature RiseAltitude Percent Derate Multiplier Altitude Derate Multiplier for U.S.ASet Thermostat Heat Anticipator ExampleCheck Primary Limit Control Procedure 6-CHECK Safety ControlsCheck Pressure Switches Gas Rate Cu Ft/HrAmp Draw Check with Ammeter Procedure 7-CHECKLISTCombustion and Vent Piping CHECKLIST-START-UP CHECKLIST-INSTALLATIONBook/Tab 1/6 Catalog No
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355MAV specifications

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