Bryant 310AAV User Manual
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Bryant 310AAV User Manual

Induced-combustion 4-way multipoise furnace
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See also: Installation, Start-up, Operating and Service and Maintenance Instructions , Product Data
Installation, Start-up, Operating, and
Service and Maintenance Instructions
Catalog No: 5331-007
-Series A
The 310AAV/JAV 4-Way Multipoise Gas Furnace was designed by Bryant
dealers for Bryant dealers. Applications are easy with 4-way multipoise
design, through-the-furnace downflow venting, 13 different venting options,
and a door designed for easy service access. An inner blower door is
provided for tighter sealing in sensitive applications.
furnace is approved for use with natural or propane gas, and the 310JAV is
also approved for use in Low NOx Air Quality Management Districts.
STANDARD FEATURES
• Noise elimination combustion system
• Microprocessor based control center
Adjustable heating air temperature rise
LED diagnostics and self test feature
• Patented blocked vent safeguard to ensure proper furnace venting
• All models are Chimney Friendly when used with accessory vent kit
• Four-position furnace: upflow, horizontal right, horizontal left,
downflow
Thirteen different vent options
• Heat pump compatible
• Hot surface ignition (HSI)
• Residential installations eligible for consumer financing through the Comfort
Credit Program
• Twinning in Upflow, Downflow and Horizontal
LIMITED WARRANTY
• 20-year warranty on "Super S™" heat exchanger
• 5-year parts warranty on all other components
Form No. II 310A-45-3
Induced-Combustion
4-Way Multipoise Furnace
310AAV/JAV
The 310AAV/JAV
12-02

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  • Page 1 Catalog No: 5331-007 4-Way Multipoise Furnace -Series A The 310AAV/JAV 4-Way Multipoise Gas Furnace was designed by Bryant dealers for Bryant dealers. Applications are easy with 4-way multipoise design, through-the-furnace downflow venting, 13 different venting options, and a door designed for easy service access. An inner blower door is provided for tighter sealing in sensitive applications.

  • Page 2: Table Of Contents

    Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. See Cover Tab 6a 8a Induced-Combustion 4-Way Multipoise Furnace Cancels: II 310A-45-2/IM-PG8J-02 45-3 / IM-PG8J-03 Series 100/A REGISTERED QUALITY SYSTEM 24-V Wiring...17 Accessories ...17...

  • Page 3: Safety Considerations

    1. Two additional 7/8-in. diameter holes are located in the top plate. 2. Minimum return-air openings ar furnace, based on metal duct. If flex duct is used, see flex duct manufacturer’s recommendations for equivalent diameters. a. For 800 CFM-16-in. round or 14 1/2 x 12-in. rectangle.

  • Page 4: Installation

    18 inches front clearance required for alcove. Indicates supply or return sides when furnace is in the horizontal position. Line contact only permissible between lines formed by intersections of the Top and two Sides of the furnace jacket, and building joists, studs or framing.

  • Page 5: Introduction

    12. Maintain a 1-in. clearance from combustible materials to supply air ductwork for a distance of 36 inches horizontally from the furnace. See NFPA 90B or local code for further requirements. 13. These furnaces SHALL NOT be installed directly on carpet- ing, tile, or any other combustible material other than wood flooring.

  • Page 6: Duct Systems

    These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace, the control, and the person at the same electrostatic potential. 1. Disconnect all power to the furnace. Multiple disconnects may be required.

  • Page 7: Location Relative To Cooling Equipment

    -The furnace is controlled by a thermostat. It may not be hot wired to provide heat continuously to the structure without thermostatic control.

  • Page 8: Unconfined Space

    Fig. 7—Confined Space: Air for Combustion and Ventilation from an Unconfined Indoor Space c. If the furnace is installed on a raised platform to provide a return-air plenum, and return air is taken directly from the hallway or space adjacent to furnace, all air for combustion must come from outdoors.

  • Page 9: Installation

    To remove bottom closure panel, see Fig. To install leveling legs: 1. Position furnace on its back. Locate and drill a hole in each bottom corner of furnace. (See Fig. 10.) 2. For each leg, install nut on bolt and then install bolt and nut in hole.

  • Page 10: Bottom Return Air Inlet

    To prevent screws from pulling out, use 2 # 8 x ¾-in. screw into the side and 2 # 8 x ¾-in. screw in the bottom of the furnace casing for each strap. (See Fig. 15 and 16.) PLATFORM UNIT SUPPORT Construct working platform at location where all required furnace clearances are met.
  • Page 11 OPENING Fig. 11—Floor and Plenum Opening Dimensions Fig. 13—Furnace, Plenum, and Coil Assembly or Coil Box Installed on a Combustible Floor When a furnace is installed so that the supply ducts carry air to areas outside the space containing the furnace, the return air must also be handled by a duct(s) sealed to the furnace casing and terminating outside the space containing the furnace.

  • Page 12: Ductwork Acoustical Treatment

    FURNACE CASING WIDTH Upflow Applications on Combustible or Noncombustible Flooring (KGASB subbase not required) Downflow Applications on Noncombustible Flooring (KGASB subbase not required) 14–3/16 Downflow applications on combustible flooring (KGASB subbase required) Downflow Applications on Combustible Flooring with CD5 or...

  • Page 13: Supply Air Connections

    Fig. 16—Horizontal Suspension with Straps SUPPLY AIR CONNECTIONS For a furnace not equipped with a cooling coil, the outlet duct shall be provided with a removable access panel. This opening shall be accessible when the furnace is installed and shall be of such a size...

  • Page 14: Return Air Connections

    Fig. 1. Bypass humidifier may be attached to unused side return air portion of the furnace casing. (See Fig. 18, 19, and 20.) Not all horizontal furnaces are approved for side return air connections.
  • Page 15 A02075 Fig. 18—Upflow Return Air Configurations and Restrictions A02163 Fig. 19—Downflow Return Air Configurations and Restrictions A02162 Fig. 20—Horizontal Return Air Configurations and Restrictions...

  • Page 16: Electrical Connections

    Some installations require gas entry on right side of furnace (as viewed in upflow). (See Fig. 21a.) Install a sediment trap in riser leading to furnace as shown in Fig 21b. Connect a capped nipple into lower end of tee. Capped nipple should extend below level of gas controls.

  • Page 17: 115-V Wiring

    Use only copper wire. Use a separate, fused branch electrical circuit with a properly sized fuse or circuit breaker for this furnace. See Table 5 for wire size and fuse specifications. A readily accessible means of electrical disconnect must be located within sight of the furnace.

  • Page 18: For Bx Cable Installation

    3. Secure ground wire to green screw on J-Box bracket. 4. Connect line voltage leads as shown in Fig. 24. J-BOX COVER INSTALLATION 1. Remove J-Box cover from blower access door on furnace and reinstall blower access door screw. 2. Fold tab on J-box cover to bracket with pliers.

  • Page 19: Venting

    Step 8—Venting The furnace shall be connected to a factory built chimney or vent complying with a recognized standard, or a masonry or concrete chimney lined with a lining material acceptable to the authority having jurisdiction.

  • Page 20: General Venting Requirements

    The following information and warning must be considered in addition to the requirements defined in the NFGC and the NSCNGPIC. 1. If a vent (common or dedicated) becomes blocked, the furnace will be shut off by the draft safeguard switch located on the vent elbow.
  • Page 21 1. Vent connector is Type-B double-wall, and 2. This furnace is common vented with at least 1 draft hood- equipped appliance, and 3. The combined appliance input rating is less than the maximum capacity given in Table A, and 4.

  • Page 22: Appliance Application Requirements

    ADDITIONAL VENTING REQUIREMENTS A 4 round vent elbow is supplied with the furnace. A 5 inch or 6 inch vent connector may be required for some model furnaces. A field-supplied 4 inch to 5 inch or 4 inch to 6 inch sheet metal increaser fitting is required when 5 inch or 6 inch vent connector is used.

  • Page 23: Chimney Inspection Chart

    Consult Part C of Is chimney chimney adapter venting instructions for a single application furnace? suitability Fig. 25—Chimney Inspection Chart Line chimney with property sized, listed flexible metal liner or Type-B vent per NFGC or NSCNGPIC Vent Sizing Tables and liner or vent manufacturer’s...

  • Page 24: Start-Up Procedures

    41.) Furnace gas input rate on rating plate is for installations at altitudes up to 2000 ft. Furnace input rate must be within ±2 percent of furnace rating plate input. In the U.S.A., the input rating for altitudes above 2,000 ft. must be reduced by 4 percent for each 1,000 ft.
  • Page 25 SEE NOTES: 1,2,4,7,8,9 A02058 Fig. 26—Upflow Application- Vent Elbow Up SEE NOTES: 1,2,4,5,7,8,9 A02061 Fig. 29—Downflow Application-Vent Elbow Up See Venting Notes on page 26. SEE NOTES: 1,2,3,4,7,8,9 A02059 Fig. 27—Upflow Application- Vent Elbow Right SEE NOTES: 1,2,4,5,6,7,8,9 A02062 Fig. 30—Downflow Application-Vent Elbow Left then Up SEE NOTES:1,2,3,4,5,7,8,9...
  • Page 26 Specific gravity = 0.62 Therefore: Orifice No. 43* Manifold pressure: 3.7-in. wc * Furnace is shipped with No. 43 orifices. In this example all main burner orifices are the correct size and do not need to be changed to obtain proper input rate.
  • Page 27 KGAVG0101DFG is used in the downflow position. 4. Type B vent where required, refer to Note 1 above. 5. 4” single wall (26 ga. min.) vent must be used inside furnace casing and when the KGAVG0101DFG Downflow Vent Guard Kit is used external to the furnace.
  • Page 28 REV. 327559-101 NEUTRAL PRINTED CIRCIUT BOARD TRAN GRN/YEL NEUTRAL NOTE PRINTED CIRCIUT BOARD...
  • Page 29 (2.) Connect an amp meter as shown in Fig. 42 across the R and W terminals or R and W wires. (3.) Record amp draw across terminals when furnace is in heating and after blower starts. (4.) Set heat anticapator on thermostat per thermostat instructions and install on subbase or wall.

  • Page 30: Check Safety Controls

    Remove blockage and reconnect vent pipe to furnace vent elbow. g. Switch will auto-reset when it cools. h. If control board locks out furnace, cycle 115 vac power to reset control. 3. Check Pressure Switch(es) This control proves operation of the draft inducer blower.

  • Page 31: Checklist

    Since this furnace can be installed in any of the 4 positions shown in Fig. 4, you must revise your orientation to component location accord- ingly.

  • Page 32: Care And Maintenance

    33 LIMIT CIRCUIT FAULT - Indicates the limit, draft safeguard, flame rollout, or blocked vent switch (if used) is open or the furnace is operating in high-heat only mode due to 2 successive low heat limit trips. Blower will run for 4 minutes or until open switch remakes whichever is longer.

  • Page 33: Cleaning And/Or Replacing Air Filter

    6. Remove 2 screws from control box to blower shelf. 7. Hang control box from front of furnace casing and away from blower compartment. 8. Remove 2 screws holding blower assembly to blower deck and slide blower assembly out of furnace.

  • Page 34: Cleaning Heat Exchanger

    20. Downflow or horizontal furnaces with vent pipe through furnace only: a. Install and connect short piece of vent pipe inside furnace to existing vent. b. Connect vent connector to vent elbow. 21. Reinstall casing door.

  • Page 35: Sequence Of Operation

    2 field-supplied, corrosion-resistant, sheet metal screws located 180° apart. 16. Replace blower access door only. 17. Set thermostat above room temperature and check furnace for proper operation. 18. Verify blower airflow and speed changes between heating and cooling.

  • Page 36: Wiring Diagrams

    115 vac power to the furnace, or by interrupting 24 vac power at SEC1 or SEC2 to the furnace control CPU (not at W, G, R, etc.) If flame is proved when flame should not be present, the...
  • Page 37 TABLE 10—Orifice Size* and Manifold Pressure For Gas Input Rate (Tabulated Data Based On 22,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft Above Sea Level) ALTITUDE AVG GAS RANGE HEAT VALUE (FT) (BTU/CU FT) 1000 2000 1025 1050 1075 1100...
  • Page 38 Table 10—Orifice Size* And Manifold Pressure For Gas Input Rate (Continued) (Tabulated Data Based On 22,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft Above Sea Level) AVG GAS ALTITUDE HEAT VALUE RANGE AT ALTITUDE Orifice (FT) (BTU/CU FT) 5001 6000 AVG GAS...
  • Page 39 Table 10—Orifice Size* And Manifold Pressure For Gas Input Rate (Continued) (Tabulated Data Based On 22,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft Above Sea Level) AVG GAS ALTITUDE HEAT VALUE RANGE AT ALTITUDE (FT) (BTU/CU FT) 9001 10,000 * Orifice numbers 43 are factory installed...
  • Page 40 TABLE 11—Orifice Size* and Manifold Pressure For Gas Input Rate (Tabulated Data Based On 21,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft Above Sea Level) ALTITUDE AVG GAS RANGE HEAT VALUE (FT) (BTU/CU FT) 1000 2000 1025 1050 1075 1100...
  • Page 41 Table 11—Orifice Size* And Manifold Pressure For Gas Input Rate (Continued) (Tabulated Data Based On 21,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft Above Sea Level) AVG GAS ALTITUDE HEAT VALUE RANGE AT ALTITUDE (FT) (BTU/CU FT) 5001 6000 AVG GAS...
  • Page 42 Table 11—Orifice Size* And Manifold Pressure For Gas Input Rate (Continued) (Tabulated Data Based On 21,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft Above Sea Level) AVG GAS ALTITUDE HEAT VALUE RANGE AT ALTITUDE (FT) (BTU/CU FT) 9001 10,000 * Orifice numbers 43 are factory installed...
  • Page 45 Copyright 2002 Carrier Corporation 58st11si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. See Cover Printed in U.S.A. Form 58ST-11SI Pg 44 12-02 Replaces: 58ST-2SI Tab 6a 8a...

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