Bryant 396HAD Manuel d'utilisateur télécharger pdf

NOTE: Read the entire instruction manual before starting the

installation.

These procedures are for sizes 65,000 through 150,000 Btuh units.

Index Page

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

CARE AND MAINTENANCE..................................................1-5

Air Filter Arrangement..........................................................2-3

Blower Motor and Wheel......................................................3-4

Cleaning Heat Exchanger......................................................4-5

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

Pilot ...........................................................................................5

Troubleshooting ........................................................................5

Unit Wiring Diagram ............................................................6-7

Troubleshooting Chart ..............................................................8

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, on tags,

and on 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 NFPA No. 54-

1992/ANSI Z223.1-1992 (NFGC). In Canada, refer to the current

edition of the National Standard of Canada CAN/CGA-B149.1-

and .2-M91 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 the signal word DANGER, WARNING, or CAU-

TION. These words are used with the safety-alert symbol. DAN-

GER identifies the most serious hazards which will result in severe

personal injury or death. WARNING signifies a hazard that 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 sugges-

tions that 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.

CARE AND MAINTENANCE

For continuing high performance and to minimize possible equip-

ment failure, it is essential that periodic maintenance be performed

on this equipment. Consult your local dealer as to the proper

frequency of maintenance and the availability of a maintenance

contract.

Fig. 2—Model 394HAD Upflow

A92057

Fig. 1—Model 396HAD

Downflow

A92058

ama

CANADIAN GAS ASSOCIATION

A PPR O V ED

service and

maintenance procedures

GAS-FIRED

INDUCED-COMBUSTION FURNACES

Cancels: SP04-13 SP04-19

11-1-93

394HAD

396HAD

Series C

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1 2 3 4 5 6 7 8

Résumé du contenu

Page 1 - Series C

NOTE: Read the entire instruction manual before starting theinstallation.These procedures are for sizes 65,000 through 150,000 Btuh units.Index PageSA

Page 2

WARNING: Turn off the gas and electrical supplies tothe unit before performing any maintenance or service.Follow the operating instructions on the lab

Page 3

b. Remove blower and control access doors.c. Release filter retainer from clip at front of furnacecasing. (See Fig. 4.) For side return, clips may be

Page 4

b. Remove screws holding cutoff plate and remove cutoffplate from housing.c. Lift blower wheel from housing through opening.14. Clean blower wheel and

Page 5 - OF BURNER CARRYOVER

12. Reconnect wires to the following components:a. Draft safeguard switchb. Inducer motorc. Pressure switchd. Limit overtemperature switche. Gas valve

Page 6

Fig. 8—Heating and Cooling Application Wiring DiagramA78461115-VOLT FIELD-SUPPLIEDFUSEDDISCONNECT AUXILIARYJ-BOX CONTROLBOX24-VOLTTERMINALB

Page 7 - Fig. 9—Unit Wiring Diagram

Fig. 9—Unit Wiring DiagramA92176FU1IDRPL1-3PR-1PR-2SEC-1SEC-2TRAN24VAC115VACBLWMLOMED LOMED HIHICOMCAPL2COM4321CCFRHFRPL4NOTE#4NOTE#8EAC-1EAC-2L1ILKEQ

Page 8

A91253Is 24VACacross pressureswitch N/O contact& screw C onboard?YESNOIs 24VACacross pressureswitch N/O contact& screw C onboard?Is he

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Bryant 396HAD Manuel d'utilisateur

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