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Bryant
340MAV instruction manual
Models:
340MAV
1
47
48
48
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Install
WiringDiagram
Dimension
Factory-ShippedUpflow Tube Configuration
I. 115-VWIRING
Bloweroff Delay Setup Position
Start-Upprocedures I.General
Checklist
Return-AirTemperature
Vi. Gas Piping And Gas Pipe Pressure Testing
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Contents
4-WAYMULTIPOISE
SAFETY CONSIDERATIONS
installation, start-up and operating instructions
340MAV Series J
Fig. 1-MultipoiseOrientations
Fig. 2-DimensionalDrawing
DIMENSIONS IN
CODES AND STANDARDS
I. SAFETY
II. GENERAL INSTALLATION
VI. GAS PIPING AND GAS PIPE PRESSURE TESTING
VII. ELECTRICAL CONNECTIONS
Fig. 4-Return-AirTemperature
ELECTROSTATIC DISCHARGE ESD PRECAUTIONS
Fig. 5-CondensateTrap
INTRODUCTION
Fig. 6-Factory-ShippedUpflow Tube Configuration
Shown With Blower Access Panel Removed
Fig. 7-AlternateUpflow Tube Configuration and
E. Condensate Trap Field Drain Attachment
F. Pressure Switch Tubing
Right-HandTrap Installation
Fig. 8-DownflowTube Configuration
Left-HandTrap Installation
Fig. 9-DownflowTube Configuration
E. Condensate Trap Freeze Protection
Fig. 10-HorizontalLeft Tube Configuration
D. Pressure Switch Tubing
C.Condensate Trap Field Drain Attachment
D. Pressure Switch Tubing
C. Condensate Trap Field Drain Attachment
E.Condensate Trap Freeze Protection
F. Construct a Working Platform
Fig. 11-AtticLocation and Working Platform
Fig. 12-HorizontalRight Tube Configuration
D. Pressure Switch Tubing
Condensate Trap Location
Condensate Trap Tubing
LOCATION
Fig. 15-FreezeProtection
Fig. 14-ProhibitInstallation on Back
Fig. 13-FurnaceLocation for Proper Condensate
Drainage
III. HAZARDOUS LOCATIONS
Fig. 16-Installationin a Garage
INSTALLATION
III. INSTALLATION IN HORIZONTAL APPLICATIONS
TABLE 1-OPENINGDIMENSIONS IN
Fig. 18-Floorand Plenum Opening Dimensions
Assembly or Coil Box Installed
Installed on a Combustible Floor
Fig. 22-CrawlspaceHorizontal Application
Fig. 21-DuctFlanges
II. DUCTWORK ACOUSTICAL TREATMENT
C.Horizontal Furnaces
Fig. 23-FilterInstalled for Side Inlet
III. SUPPLY AIR CONNECTIONS A. Upflow Furnaces
B.Downflow Furnaces
VII. GAS PIPING
Fig. 25-RemovingBottom Closure Panel
Fig. 24-BottomFilter Arrangement
VI. BOTTOM CLOSURE PANEL
Fig. 26-TypicalGas Pipe Arrangement
ELECTRICAL CONNECTIONS
Fig. 29-Relocating J-Box
I. 115-VWIRING
24-VWIRING
ACCESSORIES
Fig. 30-WiringDiagram
II. COMBUSTION-AIRAND VENT PIPING A.General
TABLE 4-ELECTRICALDATA
DIRECT VENTING
WARNING CARBON MONOXIDE POISONING HAZARD
Fig. 31-ControlCenter
Fig. 32-Combustion-Airand Vent Pipe Diameter
Transition Location and Elbow Configuration
TABLE 5-COMBUSTION-AIRAND VENT PIPE
TERMINATION CLEARANCES
C. Combustion-Airand Vent Pipe Attachment
Fig. 33-Combustion-Airand Vent Pipe Connections
B.Combustion-Airand Vent Pipe Diameter
Fig. 34-ShortVent 5 to 8 Ft System
TABLE 7-MAXIMUMALLOWABLE PIPE LENGTH FT
TABLE 7-MAXIMUMALLOWABLE PIPE LENGTH FT CONTINUED
TABLE 7-MAXIMUMALLOWABLE PIPE LENGTH FT CONTINUED
Fig. 35-AirIntake Housing Plug Fitting Drain
B.Two-PipeTermination Kit
A. Extended Exposed Sidewall Pipes
IV. MULTIVENTING AND VENT TERMINATIONS
DESIGN TEMPERATURE AMBIENT
C.Concentric Vent/Air Termination Kit
Fig. 38-ConcentricVent and Combustion-AirSide
Fig. 36-RoofTermination Preferred
Fig. 37-ConcentricVent and Combustion-AirRoof
Termination Preferred
Side Termination
Fig. 42-ConcentricVent and Combustion-Air
Roof Termination
Fig. 43-ConcentricVent and Combustion-Air
III. CONDENSATE DRAIN PROTECTION
CONDENSATE DRAIN I. GENERAL
II. APPLICATION
Fig. 46-Exampleof Field Drain Attachment
III. CONTINUOUS BLOWER MODE
SEQUENCE OF OPERATION
I. HEATING MODE
II.COOLING MODE
II.PRIME CONDENSATE TRAP WITH WATER
START-UPPROCEDURES I.GENERAL
IV. ADJUSTMENTS A. Set Gas Input Rate
V. COMPONENT TEST
Fig. 51-BurnerOrifice
Fig. 48-InducerHousing Drain Cap
Fig. 50-RedundantAutomatic Gas Valve
Fig. 49-FillingCondensate Trap
FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY
FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY
Continued
FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY
Continued
FOR USE WITH 140 SIZE FURNACES ONLY
FOR USE WITH 140 SIZE FURNACES ONLY
Continued
TABLE 11-ALTITUDEDERATE MULTIPLIER
Fig. 52-BurnerFlame
CHECK SAFETY CONTROLS
B. Set Temperature Rise
TABLE 14-BLOWEROFF DELAY SETUP POSITION
C.Blower Off Delay Heat Mode
I. CHECK PRIMARY LIMIT CONTROL
II. CHECK PRESSURE SWITCH
CHECKLIST
Fig. 53-AmpDraw Check with Ammeter
CHECKLIST—INSTALLATION
Page
Catalog No
340m4011