Bryant 330JAV Service And Maintenance Procedures Manual
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Bryant 330JAV Service And Maintenance Procedures Manual

Plus 80 2-stage gas-fired induced-combustion furnaces d series
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Table of Contents

NOTE: Read the entire instruction manual before starting the
installation.
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TABLE OF CONTENTS

SAFETY CONSIDERATIONS .....................................................1
INTRODUCTION ..........................................................................2
PROCEDURE ................................................................................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.................................................6
WIRING DIAGRAMS...................................................................7
TROUBLESHOOTING .................................................................7
REGISTERED QUALITY SYSTEM
Fig. 1-Model 330JAV Horizontal

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.
service and
maintenance procedures
PLUS 80 2-STAGE GAS-FIRED
INDUCED-COMBUSTION FURNACES
EFFICIENCY
RATING
CERTIFIED
CERTIFIED
®
A95137
Cancels: SP04-65
Fig. 2-Model 331JAV Downflow
Fig. 3-Model 330JAV Upflow
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. In Canada, refer to the current
edition of the National Standard of Canada CAN/CGA-B149.1-
and .2-M00 Natural Gas and Propane Gas Installation Codes
(NSCNGPIC) and Amendment No. 1. Wear safety glasses and
work gloves. Have fire extinguisher available during start-up and
adjustment procedures and service calls.
-1-
330JAV
331JAV
Series D
SP04-73
11-01
A94086
A94085

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  • Page 1: Table Of Contents

    EFFICIENCY RATING CERTIFIED ® REGISTERED QUALITY SYSTEM Fig. 1—Model 330JAV Horizontal 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.

  • Page 2: Introduction

    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.

  • Page 3: Blower Motor And Wheel

    Turn off electrical supply before removing blower and control access doors. b. Release filter retainer from clip at front of furnace casing. (See Fig. 5.) For side return, clips may be used on either or both sides of the furnace.

  • Page 4: Cleaning Heat Exchanger

    LIMIT G.E. 162 (P771-9003) is available through RCD in 3-oz tubes. SWITCHES 15. Reinstall vent connector to furnace flue collar. After fully assembling vent connector to furnace flue collar, securely A99092 fasten vent connector to flue collar with 2 field-supplied, corrosion-resistant, sheet metal screws located 180 degrees apart and midway up the collar.
  • 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.

  • Page 6: Electrical Controls And Wiring

    ONLY a 3-amp fuse. The control will display code 24 when fuse needs replacement. The control in this furnace is equipped with an LED status light to aid in installation, servicing, and troubleshooting. It can be viewed through the sight glass or window on blower access door.

  • Page 7: Wiring Diagrams

    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 door must not be removed until the LED status code(s) is recorded.
  • Page 8 FIELD GROUND 6. Auxiliary limit switches (ALS1 & 2) used on some EQUIPMENT GROUND horizontal and some downflow models. 7. This wire must be connected to furnace sheet metal for FIELD SPLICE control to prove flame. PLUG RECEPTACLE 8. Factory connected when LGPS not used.

  • Page 9: Component Test

    Hot surface ignitor, Low heat blower speed, High heat blower speed, High cooling blower speed. CONDENSING FURNACE: The inducer motor will start in high speed and remain on high speed until the end of the test, then shift to low speed for 7 to 15 seconds.

  • Page 10: Troubleshooting Guide

    If LED is OFF, check line voltage and 24-v transformer. If Code 45 is displayed, replace control. Is indoor blower on ? 24v should be present across Com and W at furnace control. If not, check for: 1. Open thermostat.

  • Page 11: Service Training

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

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