Bryant Official Manual for Installation and Operation of the 340MAV Furnace

Page 1

installation, start-up,

and operating instructions

4-WAY MULTIPOISE

FIXED-CAPACITY DIRECT-VENT CONDENSING GAS FURNACE

340MAV Series J

A93040

NOTE: Read the entire instruction manual before starting the

installation.

 

This symbol indicates a change since the last issue.

 

Index

Page

DIMENSIONAL DRAWING

3

SAFETY CONSIDERATIONS

1-2

Clearances to Combustibles

4

CODES AND STANDARDS

4-5

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS

....5-6

INTRODUCTION

6

APPLICATIONS

6-12

General

6

Upflow Applications

6-8

Downflow Applications

8-9

Horizontal Left (Supply-Air Discharge) Applications

10

Horizontal Right (Supply-Air Discharge) Applications ...

10-12

LOCATION

12-14

General

12-13

Furnace Location Relative to Cooling Equipment

13

Hazardous Locations

14

INSTALLATION

14

Leveling Legs (If Desired)

14

Installation In Upflow or Downflow Applications

14

Installation In Horizontal Applications

14

AIR DUCTS

14-19

General Requirements

14-16

Ductwork Acoustical Treatment

16-17

Supply Air Connections

17

Return Air Connections

17

Filter Arrangement

17

Bottom Closure Panel

18

Gas Piping

18-19

ELECTRICAL CONNECTIONS

19-22

115-v Wiring

20

24-v Wiring

20

Wiring Diagram

21

Accessories

20-22

DIRECT VENTING

22-34

Removal of Existing Furnaces from

 

Common Vent Systems

22

Combustion-Air and Vent Piping

22-30

Concentric Vent and Combustion-Air Termination

 

Kit Installation

30-31

Multiventing and Vent Termination

31-34

CONDENSATE DRAIN

34

General

34

—1—

Cancels: II 340M-40-10

II 340M-40-11

 

10-03

Application

34

Condensate Drain Protection

34

SEQUENCE OF OPERATION

35-36

Heating Mode

35

Cooling Mode

35

Continuous Blower Mode

35

Heat Pump Mode

35-36

Component Test

36

START-UP PROCEDURES

36-44

General

36

Prime Condensate Trap With Water

36

Purge Gas Lines

36

Adjustments

36-44

Set Gas Input Rate

36-44

Set Temperature Rise

44

Blower Off Delay (Heat Mode)

44

Set Thermostat Heat Anticipator

44

CHECK SAFETY CONTROLS

44-45

Check Primary Limit Control

45

Check Pressure Switch

45

CHECKLIST

45

ama

CERTIFIED

As an ENERGY STAR® Partner, Bryant Heating &

Cooling Systems Com-

pany has determined that REGISTERED QUALITY SYSTEM this product meets the EN-

ERGY STAR® guidelines for energy efficiency.

SAFETY CONSIDERATIONS

CAUTION: Application of this furnace should be in- doors with special attention given to vent sizing and material, gas input rate, air temperature rise, unit leveling, and unit sizing. Improper installation or misapplication of furnace can require excessive servicing or cause prema- ture component failure.

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Contents Safety Considerations Electrostatic Discharge ESD PrecautionsMultipoise Orientations Unit Size DimensionsII. General Installation SafetyVI. GAS Piping and GAS Pipe Pressure Testing Codes and StandardsVII. Electrical Connections Electrostatic Discharge ESD PrecautionsApplications IntroductionGeneral II. Upflow ApplicationsCondensate Trap Tubing Factory-Shipped Orientation Pressure Switch TubingCondensate Trap Location Alternate Upflow Orientation Condensate Trap Tubing Alternate Upflow OrientationCondensate Trap Location III. Downflow ApplicationsCondensate Trap Tubing Horizontal Left Tube Configuration Construct a Working Platform IV. Horizontal Left SUPPLY-AIR Discharge ApplicationsHorizontal Right SUPPLY-AIR Discharge Applications Attic Location and Working Platform Location II. Furnace Location Relative to Cooling Equipment Furnace Location for Proper Condensate DrainageInstallation Leveling Legs if Desired II. Installation in Upflow or Downflow ApplicationsIII. Installation in Horizontal Applications III. Hazardous LocationsFurnace Plenum Opening Floor Opening Casing Opening DimensionsWidth II. Ductwork Acoustical Treatment Duct FlangesIV. Return AIR Connections III. Supply AIR ConnectionsFilter Arrangement Filter InformationVII. GAS Piping VI. Bottom Closure PanelMaximum Capacity of Pipe Casings onlyElectrical Connections Fire or Explosion HazardIII Accessories WiringPCB Direct Venting Electrical DataRemoval of Existing Furnaces from Common Vent Systems II. COMBUSTION-AIR and Vent PipingControl Center Clearance FT COMBUSTION-AIR and Vent Pipe Termination ClearancesExample Combustion-Air and Vent Pipe DiameterCombustion-Air and Vent Pipe Attachment Short Vent 5 to 8 Ft System COMBUSTION-AIR Intake Housing Plug FittingAltitude FT Maximum Allowable Pipe Length FT6001 to 7000‡ Air Intake Housing Plug Fitting Drain Extended Exposed Sidewall Pipes Vent Extension PipeTwo-Pipe Termination Kit IV. Multiventing and Vent Terminations Concentric Vent/Air Termination KitRoof Termination Preferred Sidewall Termination of 12 in. or Less II. Application Condensate Drain GeneralIII. Condensate Drain Protection II. Cooling Mode Heating ModeIII. Continuous Blower Mode IV. Heat Pump ModeIV. Adjustments START-UP Procedures GeneralComponent Test II. Prime Condensate Trap with WaterInducer Housing Drain Cap BTU/CU FT Orifice Manifold 625 650 Only 7001 675 725 8000 775 750 15% 825 2001to 725 750 Only 4001 775 800 825 5000 875 850 900 925 Altitude Derate Multiplier Example 100,000 Btuh Input Furnace Installed AT 4300 FTUnited States CanadaCheck Safety Controls Blower OFF Delay Setup PositionGAS Rate CU FT/HR Speed SelectorChecklist II. Check Pressure SwitchCheck Primary Limit Control CHECKLIST-START-UP CHECKLIST-INSTALLATIONLoad Calculation Combustion AIR Vent Piping
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340MAV specifications

The Bryant 340MAV is a standout model in the Bryant lineup, designed to provide exceptional comfort, efficiency, and performance for residential heating and cooling needs. This unit offers a perfect blend of innovative technology and user-friendly features, making it an ideal choice for homeowners seeking reliability and quality.

One of the defining characteristics of the Bryant 340MAV is its impressive efficiency rating. With a SEER (Seasonal Energy Efficiency Ratio) of up to 18, this model ensures that homeowners can enjoy effective cooling during the summer months while minimizing energy consumption. Similarly, the heating efficiency is notable, with a high AFUE (Annual Fuel Utilization Efficiency) rating. This makes the 340MAV an environmentally friendly option that also promotes cost savings on energy bills.

The 340MAV incorporates advanced technologies that enhance its performance. One such technology is the variable-speed compressor, which allows the system to adjust its output based on the demands of the home. This means that the unit operates more quietly and reduces energy usage by matching the cooling or heating output required. Additionally, the two-stage heating capability provides more consistent temperatures and improved comfort throughout the space.

Operating noise is a crucial factor in residential HVAC systems, and the Bryant 340MAV is designed with this in mind. Engineered for quiet operation, the unit features a sound-dampening design, including an insulated cabinet and a specially designed compressor that minimizes noise levels. Homeowners can enjoy a comfortable indoor climate without the disruptive racket often associated with traditional systems.

Furthermore, the Bryant 340MAV is equipped with a durable all-aluminum coil, which improves heat transfer efficiency while also being resistant to corrosion. This characteristic contributes to the longevity of the unit, ensuring that it can withstand various environmental factors without compromising performance.

Another key feature is the advanced control options that the Bryant 340MAV offers. Integration with smart thermostats allows homeowners to monitor and adjust their HVAC system remotely, ensuring optimal comfort at all times. Additionally, the system is compatible with Bryant's Perfect Airâ„¢ filtration system, enhancing indoor air quality by reducing pollutants and allergens.

In summary, the Bryant 340MAV is a high-efficiency heating and cooling solution that brings together cutting-edge technology, quiet operation, and user-friendly features. With its focus on comfort and energy savings, it stands out as a prime choice for homeowners looking to invest in a reliable HVAC system.