Bryant 311AAV Series 100 Installation, Start-Up, And Operating Instructions Manual
Bryant 311AAV Series 100 Installation, Start-Up, And Operating Instructions Manual

Bryant 311AAV Series 100 Installation, Start-Up, And Operating Instructions Manual

Single-stage induced combustion deluxe 4-way multipoise furnace

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NOTE: Read the entire instruction manual before starting the
installation.

TABLE OF CONTENTS

Safety Considerations.....................................................................1
Introduction ....................................................................................1
Codes and Standards ......................................................................4
Safety.........................................................................................4
General Installation...................................................................4
Combustion and Ventilation Air ..............................................4
Duct Systems ............................................................................4
Acoustical Lining and Fibrous Glass Duct..............................4
Gas Piping and Gas Pipe Pressure Testing..............................4
Electrical Connections ..............................................................4
Applications....................................................................................5
General ......................................................................................5
Uplflow Applications................................................................5
Downflow Applications ............................................................5
Location ..........................................................................................5
General ......................................................................................5
Location Relative to Cooling Equipment ................................5
Air for Combustion and Ventilation..............................................6
Unconfined Space .....................................................................6
Confined Space .........................................................................6
Air Ducts...................................................................................7
Installation ......................................................................................8
Leveling Legs (If Desired) .......................................................8
Bottom Closure Panel...............................................................8
Downflow Installation ..............................................................8
Horizontal Attic Installation .....................................................9
Gas Piping.................................................................................9
Electrical Connections ............................................................11
Start-Up, Adjustment, and Safety Check ....................................14
General ....................................................................................14
Sequence of Operation............................................................14
Start-Up Procedures ................................................................17
Adjustments.............................................................................21
Check Safety Controls ............................................................25
Checklist..................................................................................26

SAFETY CONSIDERATIONS

Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified
personnel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions
such as cleaning and replacing air filters.
Observe precautions in the literature, on tags, and on labels
attached to or shipped with the unit and other safety precautions
that may apply.
Installation, Start-up, and
Operating Instructions
SINGLE-STAGE INDUCED COMBUSTION
DELUXE 4-WAY MULTIPOISE FURNACE
-1-
Cancels: New
REGISTERED QUALITY SYSTEM
These instructions cover minimum requirements and conform to
existing national standards and safety codes. In some instances,
these instructions exceed certain local codes and ordinances,
especially those that may not have kept up with changing residen-
tial construction practices. We require these instructions as a
minimum for a safe installation.
Wear safety glasses and work gloves. Have fire extinguisher
available during start-up and adjustment procedures and service
calls.
This is the safety alert symbol
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 will result in
severe personal injury or death. WARNING signifies a hazard
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.

INTRODUCTION

The 311AAV, Series 100 (limited) 4-way multipoise Category I
furnace is CSA (A.G.A. and C.G.A.) design certified for natural
and propane gas and for installation in alcoves, attics, basements,
closets, utility rooms, crawlspaces, and garages. The furnace is
factory-shipped for use with natural gas. A CSA (A.G.A. and
C.G.A.) listed gas conversion kit is required to convert furnace for
use with propane gas. This furnace is not approved for installation
in mobile homes, recreational vehicles, or outdoors.
These furnaces shall not be installed directly on carpeting, tile, or
any other combustible material other than wood flooring. For
downflow installations, a factory accessory floor base must be
used when installed on combustible materials and wood flooring.
This special base is not required when this furnace is installed on
the manufacturer's coil assembly, or when the manufacturer's coil
box is used.
311AAV
Series
100
II 311A-91-1
11-00
CERTIFIED
®
.When you see this symbol on

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Summary of Contents for Bryant 311AAV Series 100

  • Page 1: Table Of Contents

    Installation, Start-up, and 311AAV Operating Instructions Series SINGLE-STAGE INDUCED COMBUSTION DELUXE 4-WAY MULTIPOISE FURNACE Cancels: New II 311A-91-1 11-00 NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS CERTIFIED ® Safety Considerations..............1 Introduction ..................1 Codes and Standards ..............4 Safety..................4 REGISTERED QUALITY SYSTEM General Installation..............4...
  • Page 2 —2—...
  • Page 3 INSTALLATION MINIMUM INCHES CLEARANCE TO COMBUSTIBLE CONSTRUCTION DISTANCE MINIMALE EN POUCES AUX CONSTRUCTIONS COMBUSTIBLES This forced air furnace is equipped for use with This furnace is approved for UPFLOW, DOWNFLOW, and natural gas at altitudes 0-10,000 ft (0-3,050m). HORIZONTAL installations. accessory kit, supplied...
  • Page 4: Codes And Standards

    II. GENERAL INSTALLATION CAUTION: Application of this furnace should be in- • US: Current edition of the NFGC and the NFPA 90B. For doors with special attention given to vent sizing and copies, contact the National Fire Protection Association Inc., material, gas input rate, air temperature rise, and unit Batterymarch Park, Quincy, MA 02269;...
  • Page 5: Applications

    AIRFLOW UPFLOW HORIZONTAL HORIZONTAL LEFT RIGHT DOWNFLOW AIRFLOW AIRFLOW AIRFLOW A93041 Fig. 4–Multipoise Orientations 5. Before removing a new control from it’s container, dis- CAUTION: Do not install furnace in a corrosive or charge your body’s charge to the ground. If the control is to contaminated atmosphere.
  • Page 6: Air For Combustion And Ventilation

    I. UNCONFINED SPACE other flow control must prevent chilled air from entering the furnace. If the dampers are manually operated, they must be An unconfined space has a volume of at least 50 cu ft for each equipped with means to prevent operation of either unit unless the 1000 Btuh total input for all appliances (furnaces, clothes dryers, damper is in the full-heat or full-cool position.
  • Page 7: Air Ducts

    1 SQ IN. SUPPLY PER 4000 DUCTS VENT THROUGH ROOF BTUH * OUTDOORS 12 ″ MAX 12″ 12″ MAX 1 SQ IN. VENT PER 2000 THROUGH BTUH * 1 SQ IN. SUPPLY ROOF 1 SQ IN. PER 1000 BTUH * IN DOOR 4000 OR WALL BTUH*...
  • Page 8: Installation

    TABLE 2–MINIMUM FREE AREA OF COMBUSTION AIR OPENING* AIR FROM INDOOR OUTDOOR AIR THROUGH OUTDOOR AIR THROUGH OUTDOOR AIR THROUGH 311AAV UNCONFINED SPACE VERTICAL DUCTS HORIZONTAL DUCTS SINGLE DUCT FURNACE Free Area Free Area of Free Area of Free Area of INPUT Round Pipe Round Pipe...
  • Page 9: Horizontal Attic Installation

    Fig. 16). Furnace can be suspended from each corner by hanger bolts and angle iron supports. (See Fig. 15.) Cut hanger bolts (4 each 3/8-in. all-thread rod) to desired length. Use 1 X 3/8-in. flat washers, 3/8-in. lockwashers, and 3/8-in. nuts on hanger rods as shown in Fig.
  • Page 10 FURNACE (OR COIL CASING WHEN USED) PLENUM COMBUSTIBLE OPENING FLOORING FLOOR DOWNFLOW OPENING SUBBASE SHEET METAL PLENUM FLOOR OPENING A96283 Fig. 11– Floor and Plenum Opening Dimensions A96285 Fig. 12–Furnace, Plenum, and Subbase Installed on a Com- bustible Floor FURNACE CD5 OR CK5 COIL ASSEMBLY OR KCAKC...
  • Page 11: Electrical Connections

    TABLE 3–OPENING DIMENSIONS (IN.) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION WIDTH Upflow Applications 24–1/8 16–5/8 24–3/4 Downflow Applications on Non-Combustible Flooring 15–7/8 16–1/2 19–5/8 Downflow Applications on Combustible Flooring Using 17–1/2 KGASB Subbase 15–1/8 16–3/4 20–3/8 Furnace with or wothout CD5 or CK5 Coil Assembly or KCAKC Coil Box UPFLOW DOWNFLOW...
  • Page 12 ⁄ -IN. ROD ANGLE IRON OR EQUIVALENT ROD LOCATION USING DIMPLE LOCATORS -IN. HEX NUT (SEE DIMENSIONAL & WASHER (4) DWG FOR REQD PER ROD LOCATIONS) NOTES: 1. A 1 In. clearance minimum between top of furnace and combustible material. (A) PREFERRED ROD LOCATION 2.
  • Page 13 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. TYPE-B ENTRY VENT 6 ″ M 30-IN. MIN WORK AREA 24″ SHEET METAL 24″ MANUAL SHUTOFF GAS VALVE SEDIMENT TRAP...
  • Page 14: Start-Up, Adjustment, And Safety Check

    Two male 1/4–in quick-connect terminals, marked EAC-1 CAUTION: This furnace is equipped with manual reset and EAC-2 are provided for EAC connection. (See Fig. 22.) limit switches in the gas control area. The switches open These terminals are energized with 115-v, (1.0-amp maxi- and shut off power to the gas valve, if a flame rollout or mum) during blower motor operation.
  • Page 15 Front Front Upflow Downflow Front Front Horizontal Horizontal Left Right A00345 Fig. 20–Vent Orientation If flame is proved when flame should not be present, the seconds (depending on the blower-OFF delay selection). furnace control CPU will lock out of Gas-Heating mode The furnace control CPU is factory-set for a 120-second and operate the inducer motor IDM until flame is no blower-OFF delay.
  • Page 16 FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING NOTE 2 THERMOSTAT FIVE WIRE FIELD-SUPPLIED TERMINALS DISCONNECT THREE-WIRE HEATING-ONLY 208/230- OR BLOWER DOOR SWITCH 460-V THREE PHASE 208/230-V SINGLE PHASE AUXILIARY 115-V FIELD- J-BOX SUPPLIED NOTE 1 DISCONNECT CONDENSING...
  • Page 17: Start-Up Procedures

    BLOWER OFF DELAY JUMPER SELECT 24-V THERMOSTAT TERMINALS TEST/TWIN HUMIDIFIER TERMINAL HARNESS CONNECTOR (24-VAC 0.5 AMP MAX) 3-AMP FUSE SEC-1 24-V TRANSFORMER SEC-2 LED OPERATION & DIAGNOSTIC LIGHT EAC-2 115-VAC (L2) NEUTRAL CONNECTION COOL HOT SURFACE IGNITOR CONNECTOR HEAT INDUCER MOTOR CONNECTOR BLOWER SPEED SPARE-1...
  • Page 18 —18—...
  • Page 19 TABLE 7—MODEL 311AAV 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) SPECIFIC GRAVITY OF NATURAL GAS ALTITUDE AVG GAS 0.58 0.60 0.62 0.64 0.66...
  • Page 20 TABLE 7—MODEL 311AAV 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) SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE 0.58 0.60 0.62...
  • Page 21: Adjustments

    TABLE 7—MODEL 311AAV 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) SPECIFIC GRAVITY OF NATURAL GAS AVG GAS ALTITUDE HEAT VALUE 0.58 0.60 0.62...
  • Page 22 A00268 Fig. 24–Single-Stage Furnace with Single-Speed A00269 Air Conditioner Fig. 25–Single Stage Furnace with Two-Speed Air Conditioner A00270 A002 71 Fig. 26–Single-Stage Furnace with Single-Speed Heat Pump Fig. 27–Single-Stage Furnace with Two-Speed Heat Pump (Dual Fuel) (Dual Fuel) —22—...
  • Page 23 A00272 A00273 Fig. 28–Dual Fuel Thermostat with Single-Stage Furnace Fig. 29– Dual Fuel Thermostat with Single-Stage Furnace and Single-Speed Heat Pump and Two-Speed Heat Pump 1. Heat pump MUST have a high pressure switch for dual fuel applications. 2. Refer to outdoor equipment Installation Instructions for additional information and setup procedure.
  • Page 24 ON AND OFF SWITCH GAS PRESSURE REGULATOR ADJUSTMENT BURNER ORIFICE A93059 Fig. 33–Orifice Hole INLET PRESSURE MANIFOLD PRESSURE TAP CAUTION: DO NOT redrill orifices. Improper drilling A00157 (burrs, out-of-round holes, etc.) can cause excessive Fig. 31–Redundant Automatic Gas Control Valve burner noise and misdirection of burner flames.
  • Page 25: Check Safety Controls

    d. Check and verify orifice size in furnace. NEVER AS- TABLE 9—GAS RATE (CU FT/HR) SUME THE ORIFICE SIZE. ALWAYS CHECK AND SECONDS SIZE OF TEST DIAL SECONDS SIZE OF TEST DIAL VERIFY. FOR 1 FOR 1 e. Turn off all other gas appliances and pilots. REVOLUTION Cu Ft Cu Ft...
  • Page 26: Checklist

    This control shuts off combustion control system and b. Restore power to furnace and set room thermostat above energizes air-circulating blower motor if furnace overheats. room temperature. Recommended method of checking this limit control is to c. After normal start-up, allow furnace to operate for 2 gradually block off return air after furnace has been minutes, then block vent elbow in furnace 100 percent.
  • Page 27 CHECKLIST—INSTALLATION LOAD CALCULATION ____________ Heating Load (Btuh) ____________ Cooling Load (Btuh) ____________ Furnace Model Selection AIR FOR COMBUSTION AND VENTILATION ____________ Unconfined Space ____________ Confined Space VENTING ____________ NFGC (United States) ____________ NSCNGPIC (Canada) ____________ Local Codes ____________ 1/4-in. Upward Slope ____________ Joints Secure ____________...
  • Page 28 —28— © 2000 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 Printed in U.S.A. 311a911 Catalog No. 5331-100...

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