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310AAV/JAV
Induced-Combustion
4-Way Multipoise Furnace
Installation, Start-up, Operating, and
Service and Maintenance Instructions
-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 appli
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R E G n I I o S i S t O a T r 9 o E 0 p 0 r R 1 Single-Stage Induced-Combustion 4-Way Multipoise Furnace Cancels: II 310A-45-2/IM-PG8J-02 II 310A- 45-3 / IM-PG8J-03 Installation, Start-up, Operating, and Service and Maintenance Instructions Series 100/A NOTE: Read the entire instruction manual before starting the EFFICIENCY installation. RATING CERTIFIED This symbol → indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS ................................................
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28-7/8" 25-1/4" 1-9/16" 22-9/16" A AIRFLOW 2-9/16" 19" 13/16" JUNCTION BOX 13/16" LOCATION D OUTLET 4-13/16" F 7/8" DIA 8-7/16" 11/16" ACCESSORY 1-1/2" DIA. RIGHT HAND 1/2" DIA THERMOSTAT GAS ENTRY WIRE ENTRY 1/2" DIA. THERMOSTAT 3-15/16" WIRE ENTRY 1-7/16" LEFT HAND GAS ENTRY ALTERNATE 33-5/16" 24-7/8" JUNCTION BOX LOCATION (TYP) VENT OUTLET 5 PLACES (TYP) 14-7/8" 7/8" DIA. ACCESSORY 7/8" DIA. ACCESSORY 3-3/4" 11/16" 5-1/2" 11/16" 1-1/4" E 21-5/8" 1-11/16" BOTTOM INLET 22-1/16" 1" SIDE INLET
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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 HORIZONTAL installations. natural gas at altitudes 0-10,000 ft (0-3,050m). An accessory kit, supplied by the Cette fournaise est approuvée pour l´installation HORIZONTALE et la circulation d´air VERS LE HAUT et VERS LE BAS. manufacturer,shall be used to convert to propane g
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Table 1—Dimensions (IN.) VENT UNIT SIZE A B C SHIP WT. (LB) CONN* 045-08/024045 14-3/16 12-9/16 12-11/16 4 104 045-12/036045 14-3/16 12-9/16 12-11/16 4 107 070-08/024070 14-3/16 12-9/16 12-11/16 4 111 070-12/036070 14-3/16 12-9/16 12-11/16 4 115 070-16/048070 17-1/2 15-7/8 16 4 123 090-14/042090 17-1/2 15-7/8 16 4 126 090-16/048090 21 19-3/8 19-1/2 4 139 090-20/060090 21 19-3/8 19-1/2 4 145 110-12/036110 17-1/2 15-7/8 16 4 134 110-16/048110 21 19-3/8 19-1/2 4 145 110-22/066110 21 19-3/8 19-1/2 4
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THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS THE BLOWER IS LOCATED TO THE LEFT LOCATED ABOVE THE OF THE BURNER SECTION, BURNER SECTION, AND AND CONDITIONED AIR IS CONDITIONED AIR IS DISCHARGED TO THE RIGHT. DISCHARGED DOWNWARD A02097 Fig. 4—Multipoise Orientations CANADA: Part 7 of NSCNGPIC, Venting Systems and Air NOT move or s
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furnace. If the dampers are manually operated, they must be equipped with means to prevent operation of either unit unless the This gas furnace may be used for construction heat provided damper is in the full-heat or full-cool position. that: AIR FOR COMBUSTION AND VENTILATION -The furnace is permanently installed with all electrical Provisions for adequate combustion and ventilation air must be wiring, piping, venting and ducting installed according to provided in accordance with Section 5.3 of
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Table 2–Minimum Free Area of Combustion Air Opening* AIR FROM INDOOR OUTDOOR AIR THROUGH OUTDOOR AIR THROUGH OUTDOOR AIR THROUGH UNCONFINED SPACE VERTICAL DUCTS HORIZONTAL DUCTS SINGLE DUCT FURNACE INPUT Free Area Free Area of Free Area of Free Area of Round Pipe Round Pipe Round Pipe (BTUH) of Opening Opening and Duct Opening and Duct Opening and Duct (in. Dia) (in. Dia) (In. Dia) (Sq In.) (Sq. In.) (sq In.) (Sq In.) 44,000 100 11 4 22 6 14.7 5 66,000 100 16.5 5 33 7 22.0 6 88,000 100 22.0 6 44
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1 SQ IN. PER 4000 DUCTS BTUH* TO OUTDOORS 12″ MAX D 12″ MAX 1 SQ IN. VENT A PER 2000 THROUGH F BTUH* AIR ROOF 1 SQ IN. DUCTS PER 4000 BTUH* DUCTS TO OUTDOORS A02098 1 SQ IN. Fig. 9—Removing Bottom Closure Panel PER 4000 BTUH* 1 SQ IN. E G B PER 2000 BTUH* 12″ MAX 12″ MAX C SIDE RETURN AIR INLET 12″ MAX These furnaces are shipped with bottom closure panel installed in bottom return-air opening. This panel MUST be in place when AIR DUCTS only side return air is used. DUCT 1 SQ IN. TO PER 4000 → NO
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5 PLATFORM UNIT SUPPORT ⁄16″ Construct working platform at location where all required furnace clearances are met. (See Fig. 2 and 17.) For furnaces with 1-in. 5 ⁄16″ clearance requirement on side, set unit on non-combustible blocks, bricks or angle iron. For crawlspace installations, if the unit is not 3 1 ⁄4″ suspended from the floor joists, the ground underneath unit must be level and the unit set on blocks or bricks. ROLL-OUT PROTECTION 3 1 ⁄4″ Provide a minimum 17 3/4″ X22″ piece of sheet m
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FURNACE (OR COIL CASING WHEN USED) A PLENUM COMBUSTIBLE OPENING FLOORING B D FLOOR DOWNFLOW OPENING SUBBASE C SHEET METAL PLENUM FLOOR OPENING A96283 Fig. 11—Floor and Plenum Opening Dimensions A96285 Fig. 12—Furnace, Plenum, and Subbase Installed on a Combustible Floor FURNACE CD5 OR CK5 COIL ASSEMBLY OR KCAKC COIL BOX COMBUSTIBLE FLOORING SHEET METAL PLENUM FLOOR OPENING A96284 Fig. 13—Furnace, Plenum, and Coil Assembly or Coil Box Installed on a Combustible Floor When a furnace is installed s
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Table 3—Opening Dimensions (In.) FURNACE PLENUM OPENING FLOOR OPENING CASING APPLICATION AB C D WIDTH Upflow Applications on Combustible or Noncombustible 12-11/16 21-5/8 13-5/16 22-1/4 Flooring (KGASB subbase not required) Downflow Applications on Noncombustible Flooring 12-9/16 19 13-3/16 19-5/8 (KGASB subbase not required) 14–3/16 Downflow applications on combustible flooring (KGASB 11-13/16 19 13-7/16 20-5/8 subbase required) Downflow Applications on Combustible Flooring with CD5 or CK5 Coil
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1 /4" THREADED ROD 4 REQ. OUTER DOOR ASSEMBLY SECURE ANGLE IRON TO BOTTOM OF FURNACE WITH 3 3 #8 x /4" SCREWS TYPICAL FOR 2 SUPPORTS 8" MIN FOR DOOR REMOVAL 1 1 1 1" SQUARE, 1 /4" x 1 /4" x /4" ANGLE IRON OR UNI-STRUT MAY BE USED (2) HEX NUTS, (2) WASHERS & (2) LOCK WASHERS REQ. PER ROD A02345 → Fig. 15—Horizontal Unit Suspension A02014 Fig. 16—Horizontal Suspension with Straps SUPPLY AIR CONNECTIONS Upflow and Horizontal Furnaces → For a furnace not equipped with a cooling coil, the outlet duct
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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. 3 17 /4″ OVER ALL 3 4 /4″ UNDER DOOR 1″ UNDER FURNACE GAS TYPE-B EXTEND OUT 12″ OUT ENTRY VENT FROM FACE OF DOOR 30-IN. MIN * WHEN USED WITH WORK AREA SINGLE WALL VENT CONNECTIONS 3 17 /4″ SHEET METAL 22″ MANUAL SHUTOFF GAS VALVE SEDIMENT TRAP A02164 Fig. 17—Typical Attic Installation Downflow Furnaces Step 6—Gas Piping Connect supply-air duct
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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 14
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→ Table 4—Maximum Capacity of Pipe* GAS SUPPLY NOMINAL LENGTH OF PIPE (FT) MANUAL IRON INTERNAL SHUTOFF PIPE DIAMETER VALVE SIZE (IN.) 10 20 30 40 50 (REQUIRED (IN.) SEDIMENT 1/2 0.622 175 120 97 82 73 TRAP 3/4 0.824 360 250 200 170 151 UNION 1 1.049 680 465 375 320 285 1-1/4 1.380 1400 950 770 660 580 1-1/2 1.610 2100 1460 1180 990 900 * Cubic ft of gas per hr for gas pressures of 0.5 psig (14–in. wc) or less and a pressure drop of 0.5–in wc (based on a 0.60 specific gravity gas). Ref: Table 12
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→ Table 5—Electrical Data OPERATING VOLTS- MAXIMUM MAXIMUM UNIT MAXIMUM MINIMUM VOLTAGE RANGE UNIT SIZE HERTZ- FUSE OR CKT BKR UNIT AMPS AMPACITY# WIRE LENGTH (FT)‡ WIRE GAGE PHASE AMPS† Maximum* Minimum* 045-08/024045 115-60-1 127 104 5.6 7.77 47 15 14 045-12/036045 115-60-1 127 104 7.0 9.47 39 15 14 070-08/024070 115-60-1 127 104 5.0 7.06 52 15 14 070-12/036070 115-60-1 127 104 6.7 9.19 40 15 14 070-16/048070** 115-60-1 127 104 9.8 12.59 28 15 14 090-14/042090 115-60-1 127 104 8.1 10.83 34 15
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L1 PLT 120 180 PLT 1 90 150 J2 NUETRAL BLW G Com W Y R STATUS CODE LED COOL HEAT 24V TWINNING AND/OR COMPONENT TEST BLOWER OFF-DELAY TERMINAL J2 JUMPER BLOWER OFF-DELAY HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX.) 24-V THERMOSTAT TERMINALS TRANSFORMER 24-VAC CONNECTIONS TEST/TWIN HUM 0.5 AMP@24VAC 3-AMP FUSE FUSE 3-AMP SEC-2 SEC-1 LED OPERATION & EAC-2 L2 DIAGNOSTIC LIGHT PL1-LOW VOLTAGE MAIN HARNESS CONNECTOR 115-VAC(L2)NEUTRAL CONNECTIONS CO
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FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING NOTE 2 THERMOSTAT WC R G Y FIVE WIRE FIELD-SUPPLIED TERMINALS DISCONNECT THREE-WIRE HEATING-ONLY 208/230- OR BLOWER DOOR SWITCH 460-V THREE PHASE W BLK BLK C R WHT WHT O N 208/230-V T SINGLE GND GND G R PHASE AUXILIARY 115-V FIELD- O J-BOX COM GND SUPPLIED L NOTE 1 DISCONNECT CONDENSING Y/Y2 UNIT TWO 24-V WIRE TERMINAL BLOCK NOTES: 1. Connect Y-terminal in furnace as shown for proper blower operation. F
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The following information and warning must be considered in addition to the requirements defined in the NFGC and the CARBON MONOXIDE POISONING HAZARD NSCNGPIC. Failure to follow the steps outlined below for each appliance 1. If a vent (common or dedicated) becomes blocked, the furnace connected to the venting system being placed into operation will be shut off by the draft safeguard switch located on the could result in carbon monoxide poisoning or death. vent elbow. The following steps shall be
