Bryant 340MAV - Manual

Bryant 340MAV

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Table of Contents:

  • Page 2 – UNIT
  • Page 3 – Electrostatic discharge can affect electronic; Fig. 3—Clearances to Combustibles; MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION
  • Page 10 – MIN; NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE
  • Page 12 – Do not install furnace on its back. Safety; FRONT; If these furnaces are installed in an uncon-; F MINIMUM INSTALLED; When furnace is installed in a residential
  • Page 14 – Assembly or Coil Box Installed
  • Page 15 – INSTALLATION IN HORIZONTAL APPLICATIONS; The entire length of furnace MUST be; YES; Fig. 17—Crawlspace Horizontal Application; DRAIN; REQD PER ROD
  • Page 16 – Side Return; WASHABLE
  • Page 17 – UNION
  • Page 18 – Fig. 22—Heating and Cooling Application Wiring Diagram; FACTORY
  • Page 19 – Diagram; PCB
  • Page 20 – ACCESSORIES; TABLE 4—ELECTRICAL DATA; HUM
  • Page 21 – Canada; Dryer vent
  • Page 23 – NOTE: A 12 In. minimum offset pipe section is recommended with; Fig. 29—Intake Housing Plug Fitting Drain; TRAP
  • Page 24 – TABLE 6—MAXIMUM ALLOWABLE PIPE LENGTH (FT)
  • Page 28 – VENT; Fig. 34—Sidewall Termination of Less than 12 in.
  • Page 31 – OPEN STAND; Fig. 41—Condensate Trap Heat Tape; CONDENSATE TRAP
  • Page 33 – GENERAL
  • Page 34 – BURNER
  • Page 35 – FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY; and
  • Page 36 – Only
  • Page 38 – FOR USE WITH 140 SIZE FURNACES ONLY
  • Page 40 – Set Temperature Rise; BURNER FLAME
  • Page 42 – CHECKLIST—INSTALLATION
  • Page 44 – SERVICE TRAINING; • Unit Familiarization
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Index

Page

DIMENSIONAL DRAWING ........................................................2
SAFETY CONSIDERATIONS .....................................................3

Clearances to Combustibles......................................................3

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ....3-4
INTRODUCTION ..........................................................................4
APPLICATIONS ......................................................................4-11

General ......................................................................................4
Upflow Applications..............................................................4-7
Downflow Applications.........................................................7-8
Horizontal Left (Supply-Air Discharge) Applications .........8-9
Horizontal Right (Supply-Air Discharge) Applications .....9-11

LOCATION ............................................................................11-12

General ...............................................................................11-12
Furnace Location Relative to Cooling Equipment ................12
Hazardous Locations...............................................................12

INSTALLATION ....................................................................13-17

Leveling Legs (If Desired) .....................................................13
Installation In Upflow or Downflow Applications ..........13-15
Installation In Horizontal Applications ..................................15
Filter Arrangement ..................................................................16
Bottom Closure Panel .............................................................16
Gas Piping ...............................................................................17

ELECTRICAL CONNECTIONS ...........................................17-20

115-v Wiring......................................................................17-18
24-v Wiring .............................................................................18
Wiring Diagram ......................................................................19
Accessories ..............................................................................20

DIRECT VENTING ...............................................................21-29

Removal of Existing Furnaces from

Common Vent Systems .....................................................21

Combustion-Air and Vent Piping .....................................21-27
Concentric Vent and Combustion-Air Termination

Kit Installation ..............................................................27-29

Multiventing and Vent Termination.......................................29

CONDENSATE DRAIN ........................................................29-31

General ....................................................................................29
Application.........................................................................29-31
Condensate Drain Protection ..................................................31

SEQUENCE OF OPERATION..............................................31-33

Heating Mode ....................................................................31-32
Cooling Mode .........................................................................32
Continuous Blower Mode.......................................................32
Heat Pump Mode ....................................................................32
Component Test.................................................................32-33

START-UP PROCEDURES ..................................................33-41

General ....................................................................................33
Prime Condensate Trap With Water ......................................33
Purge Gas Lines ......................................................................34
Adjustments .......................................................................34-41
Set Gas Input Rate ............................................................34-40
Set Temperature Rise ........................................................40-41
Blower Off Delay (Heat Mode) .............................................41
Set Thermostat Heat Anticipator ............................................41

CHECK SAFETY CONTROLS ..................................................41

Check Primary Limit Control.................................................41
Check Pressure Switch ...........................................................41

CHECKLIST ...........................................................................41-42

A93040

®

ama

CANADIAN GAS ASSOCIATION

A P P R O V E D

R

As an ENERGY STAR

SM

Partner,

Bryant/Day

&

Night has determined that
this product meets the EN-
ERGY STAR guidelines
for energy efficiency.

CERTIFICATION OF MANUFACTURING SITE

Fig. 1—Multipoise Orientations

A93041

UPFLOW

DOWNFLOW

HORIZONTAL

LEFT

AIRFLOW

AIRFLOW

AIRFLOW

AIRFLOW

HORIZONTAL

RIGHT

installation, start-up,
and operating instructions

4-WAY MULTIPOISE
FIXED-CAPACITY DIRECT-VENT
CONDENSING GAS FURNACE

Cancels:

II 340M-40-3

II 340M-40-4

12-96

340MAV

Series D

—1—

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Summary

Page 2 - UNIT

Fig. 2—Dimensional Drawing DIMENSIONS (IN.) UNIT SIZE A D E 024040 17-1/2 15-7/8 16 036040 17-1/2 15-7/8 16 024060 17-1/2 15-7/8 16 036060 17-1/2 15-7/8 16 048060 17-1/2 15-7/8 16 036080 17-1/2 15-7/8 16 048080 17-1/2 15-7/8 16 060080 21 19-3/8 19-1/2 048100 21 19-3/8 19-1/2 060100 21 19-3/8 19-1/2 ...

Page 3 - Electrostatic discharge can affect electronic; Fig. 3—Clearances to Combustibles; MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION

SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due togas and electrical components. Only trained and qualified person-nel should install, repair, or service heating equipment. Untrainedpersonnel can perform basic maintenance functions such as clean-ing and replacin...

Page 10 - MIN; NOTE: LOCAL CODES MAY REQUIRE A DRAIN PAN UNDER THE

1. Remove 3 tubes connected to condensate trap. 2. Remove trap from blower shelf by gently pushing tabs inward and rotating trap. 3. Remove casing hole filler cap from casing hole. (See Fig. 2 or 11.) 4. Install casing hole filler cap into blower shelf hole where trap was removed. 5. Install condens...

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