Bryant 393AAV Manuel d'utilisateur télécharger pdf

NOTE: Read the entire instruction manual before starting the

installation.

TABLE OF CONTENTS

SAFETY CONSIDERATIONS.....................................................1

INTRODUCTION..........................................................................2

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PRO-

CEDURE ........................................................................................2

CARE AND MAINTENANCE.....................................................2

Cleaning and/or Replacing Air Filter.......................................2

Blower Motor and Wheel.........................................................3

Cleaning Heat Exchanger.........................................................4

Electrical Controls and Wiring.................................................5

WIRING DIAGRAMS...................................................................9

Troubleshooting..............................................................................9

SAFETY CONSIDERATIONS

Installing and servicing heating equipment can be hazardous due to

gas and electrical components. Only trained and qualified person-

nel should install, repair, or service heating equipment.

Untrained personnel can perform basic maintenance functions

such as cleaning and replacing air filters. All other operations must

be performed by trained service personnel. When working on

heating equipment, observe precautions in the literature, tags, and

labels attached to or shipped with the unit and other safety

precautions that may apply.

Follow all safety codes. In the United States, follow all safety

codes including the National Fuel Gas Code (NFGC) NFPA No.

54-1999/ANSI Z223.1-1999 and the Installation Standards Warm

Air Heating and Air Conditioning Systems (NFPA 90B)

ANSI/NFPA 90B. In Canada, refer to the current edition of the

National Standard of Canada CAN/CGA-B149.1- and .2-M95

Natural Gas and Propane Gas Installation Codes (NSCNGPIC).

Wear safety glasses and work gloves. Have fire extinguisher

available during start-up and adjustment procedures and service

calls.

Recognize safety information. This is the safety-alert symbol

When you see this symbol on the furnace and in instructions or

manuals, be alert to the potential for personal injury.

Understand these signal words; DANGER, WARNING, and

CAUTION. These words are used with the safety-alert symbol.

DANGER identifies the most serious hazards which will result in

severe personal injury or death. WARNING signifies hazards

which could result in personal injury or death. CAUTION is used

to identify unsafe practices which would result in minor personal

injury or product and property damage. NOTE is used to highlight

suggestions which will result in enhanced installation, reliability,

or operation

WARNING: The ability to properly perform mainte-

nance on this equipment requires certain expertise, me-

chanical skills, tools, and equipment. If you do not

possess these, do not attempt to perform any maintenance

on this equipment other than those procedures recom-

mended in the User’s Manual. FAILURE TO FOLLOW

THIS WARNING COULD RESULT IN POSSIBLE

DAMAGE TO THIS EQUIPMENT, SERIOUS PER-

SONAL INJURY, OR DEATH.

Fig. 1—Model 393AAV Upflow Furnace

A94085

REGISTERED QUALITY SYSTEM

EFFICIENCY

RATING

CERTIFIED

Service and

Maintenance Procedures

GAS-FIRED

INDUCED-COMBUSTION FURNACE

Cancels: SP04-58 SP04-61

10-00

393AAV

Series B&C

—1—

1 2 3 4 5 6 ... 11 12

Résumé du contenu

Page 1 - Maintenance Procedures

NOTE: Read the entire instruction manual before starting theinstallation.TABLE OF CONTENTSSAFETY CONSIDERATIONS...

Page 2 - AIR FLOW

Troubleshooting GuideA99123aIs circuit breaker closed?Close door switch and go to start.Is red LED status light on? Is door switch closed?Is red LED s

Page 3

A99123b11 NO PREVIOUS FAULT - Faultsare erased after 48 hrs orwhenever power (115v or 24v) isinterrupted. Run system througha heating or cooling cycl

Page 4

A94328SERVICE TRAININGPackaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, in

Page 5

CAUTION: Label all wires prior to disconnection whenservicing controls. Wiring errors can cause improper anddangerous operation.INTRODUCTIONThese inst

Page 6

b. Remove filter cabinet door.c. Slide filter out of cabinet.d. If equipped with permanent, washable filter, clean filterby spraying cold tap water th

Page 7 - Fig. 7—Unit Wiring Diagram

WARNING: Blower access door switch opens 115-vpower to control center. No component operation canoccur. Caution must be taken when manually closing th

Page 8 - COMPONENT TEST

(5.) Repeat foregoing procedures until each cell infurnace has been cleaned.(6.) Using vacuum cleaner, remove residue from eachcell.(7.) Using vacuum

Page 9

The 24-v circuit contains an automotive-type, 3-amp fuse locatedon the control. (See Fig. 6.) Any shorts of the 24-v wiring duringinstallation, servic

Page 10 - Troubleshooting Guide

Fig. 7—Unit Wiring DiagramA00304PCBBLOWER OFF DELAYSELECTION CHART90 SEC135 SEC180 SEC225 SECGVRHI/LORELAYSEC-1SEC-2PL1321654987LEDTEST/TWINBLOWEROFFD

Page 11

Fig. 8—Service LabelA99233SERVICEGRYWComHUMTESTLEDLED CODESTATUS24V1112131421222324313334*986532147COMPONENT TESTNO PREVIOUS CODE - Stored status code

Page 12 - SERVICE TRAINING

4. If furnace is operating properly and LED indicates properoperation, replace control access door.5. Component Test can also be initiated by performi

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Bryant 393AAV Manuel d'utilisateur

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