Bryant 355MAV Electrostatic Discharge ESD Precaution Procedure, Applications Procedure 1-GENERAL

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A93026

Fig. 4—Condensate Trap

ELECTROSTATIC DISCHARGE (ESD) PRECAUTION PROCEDURE

CAUTION: Electrostatic discharge can affect electronic components. Follow the Electronic Discharge Precautions Procedure listed below during furnace and servicing to protect the furnace electronic control. Precautions will prevent electrostatic discharges from personnel and hand tools which are held during the procedure. These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace, the control, and the person at the same electrostatic potential.

1.Disconnect all power to the furnace. Multiple disconnects may be required. DO NOT TOUCH THE CONTROL OR ANY WIRE CONNECTED TO THE CONTROL PRIOR TO DISCHARGING YOUR BODY’S ELECTROSTATIC CHARGE TO GROUND.

2.Firmly touch the clean, unpainted, metal surface of the furnace chassis which is close to the control. Tools held in hand during grounding will be discharged.

3.After touching the chassis you may proceed to service the control or connecting wires as long as you do nothing that recharges your body with static electricity (for example; DO NOT move or shuffle your feet, DO NOT touch ungrounded objects, etc.).

4.If you touch ungrounded objects, firmly touch a clean, unpainted metal surface again before touching control or wires.

5.Use this procedure for installed and uninstalled (ungrounded) furnaces.

6.Before removing a new control from its container, discharge your body’s charge to ground. If the control is to be installed in a furnace, follow items 1 through 4 before bringing the control or yourself in contact with the furnace. Put all used and new controls into containers before touching ungrounded objects.

7.An ESD service kit (available from commercial sources) may also be used to prevent ESD damage.

APPLICATIONS

PROCEDURE 1—GENERAL

Some assembly and modifications are required for furnaces installed in any of the 4 applications shown in Fig. 1. All drain and pressure tubes are connected as shown in Fig. 5. See appropriate application instructions for these procedures.

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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

The Bryant 355MAV is a remarkable model that stands out in the HVAC (heating, ventilation, and air conditioning) industry for its efficiency, reliability, and advanced technology. This unit is specifically designed to provide homeowners with excellent comfort while maintaining energy efficiency, making it an ideal choice for residential applications.

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