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.

Page 1
Image 1
Bryant 340MAV instruction manual Electrostatic Discharge ESD Precautions, Safety Considerations

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 Air™ 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.