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Bryant 331JAV manual

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Table of contents for the manual

  • Page 1

    NOTE: Read the entire instruction manual before starting the installation. This symbol → indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS .....................................................1 INTRODUCTION ..........................................................................2 ELECTROSTATIC DISCHARGE (ESD) PREC[...]

  • Page 2

    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 words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which wil[...]

  • Page 3

    f. Rinse and let dry. Oiling or coating of filters is not recommended or required. g. Reinstall filters. h. Replace blower access door and turn on electrical supply to furnace. 2. Upflow/Horizontal – filters installed in media cabinet adja- cent to furnace (See Fig. 5.) a. Turn off electrical supply to furnace b. Remove filter cabinet door. c. Sl[...]

  • Page 4

    7. Remove screws holding blower assembly to blower deck and slide blower assembly out of furnace. 8. Clean blower wheel and motor using a vacuum with soft brush attachment. Do not remove or disturb balance weights (clips) on blower wheel blades. The blower wheel should not be dropped or bent as balance will be affected. 9. If greasy residue is pres[...]

  • Page 5

    1. Turn gas and power to furnace to OFF. 2. Remove control and blower access doors. 3. Disconnect vent connector from furnace flue collar. 4. Disconnect internal vent pipe and enclosure on downflow furnaces only . a. Remove vent pipe enclosure cover. b. Disconnect and remove short piece of vent pipe from within furnace. NOTE: Vent pipe is SCREWED a[...]

  • Page 6

    NOTE: A releasing agent such as PAM cooking spray or equiva- lent (must not contain corn or canola oil, aromatic or halogenated hydrocarbons or inadequate seal may occur) and RTV sealant (G.E. 162, 6702, or Dow-Corning 738) are needed before starting installation. DO NOT substitute any other type of RTV sealant. G.E. 162 (P771-9003) is available th[...]

  • Page 7

    flashing, or a code composed of 2 digits. (The first digit is the number of short flashes, the second is the number of longs flashes.) Refer to service label on blower compartment door for code explanations and useful troubleshooting suggestions. (See Fig. 12.) It is important to note that power to furnace must not be interrupted and furnace blower[...]

  • Page 8

    → Fig. 11 — Unit Wiring Diagram A01365 LEGEND ALS1 AUXILIARY LIMIT SW ITCH, OVER TEM P. MAN UAL RESE T, SPST (N.C.) ALS2 AUXILIARY LIMIT SW ITCH, OVER TEM P . AU TO R ESET , SPST (N.C.) BHI / LOR BLO W E R M OT OR SPEE D CH AN GE RELA Y , SPDT BHT / CLR BLOWE R M OTO R SPEE D C HA NGE R ELA Y , SPDT BLWM BLOW ER M OTO R , 4 or 5 -SPEED, PERM A [...]

  • Page 9

    Fig. 12 — Service Label A01368 SER VICE Each of the following status codes is a two-digit numbe r with the first digi t determined by the numb er of short flashes and the second digit by the numb er of long fla shes. 11 NO PREVIOUS CODE - Stor ed status codes are erased when power (115V AC or 24VAC) to control is i nterrupted or 48 hours af ter e[...]

  • Page 10

    A97544 If inducer and burners continue to operate, check for 24v at the gas valve. If 24v are present, verify that the thermostat is open across R and W. If no voltage is present, turn the gas valve control knob or switch to the OFF position. Replace gas valve. Is indoor blower on ? 24v should be present across Com and W at furnace control. If not,[...]

  • Page 11

    A94328 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory, and skills programs is available, using popular video-based f[...]

  • Page 12

    © 2001 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 — 12 — Printed in U.S.A. sp0473 Catalog No. 5333-025[...]