Table of Contents
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NOTE: Read the entire instruction manual before starting the
installation.
NOTE: This furnace can be installed as a
or non-direct vent (1-pipe)
This symbol → indicates a change since the last issue.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .....................................................2
CODES AND STANDARDS........................................................4
INTRODUCTION ..........................................................................6
APPLICATIONS............................................................................6
General ......................................................................................6
Upflow Applications.................................................................6
Downflow Applications ............................................................8
Applications ............................................................................10
Applications ............................................................................11
LOCATION..................................................................................14
General ....................................................................................14
Furnace Location Relative to Cooling Equipment ................15
Hazardous Locations...............................................................16
Furnace Location and Application .........................................16
AIR FOR COMBUSTION AND VENTILATION ....................16
INSTALLATION .........................................................................18
Leveling Legs (If Desired) .....................................................18
Applications ............................................................................19
Installation in Horizontal Applications ..................................21
Air Ducts.................................................................................21
General Requirements .......................................................21
Ductwork Acoustical Treatment .......................................21
Supply Air Connections ....................................................21
Return Air Connections.....................................................21
Filter Arrangement..................................................................22
Bottom Closure Panel.............................................................23
Gas Piping...............................................................................23
Electrical Connections ............................................................24
115-v Wiring.....................................................................26
24-v Wiring.......................................................................26
installation, start-up,
and operating instructions
DELUXE 4-WAY MULITPOISE
FIXED-CAPACITY
CONDENSING GAS FURNACE
A93040
direct vent (2-pipe)
condensing gas furnace.
Cancels: II 350M-40-19
Accessories ........................................................................27
Vent Systems ..........................................................................27
Combustion Air and Vent Pipe Systems ...............................27
Condensate Drain....................................................................41
General...............................................................................41
Application.........................................................................41
Condensation Drain Protection .........................................42
START-UP, ADJUSTMENTS AND SAFETY CHECK ...........42
General ....................................................................................42
Prime Condensate Trap With Water ......................................42
Purge Gas Lines......................................................................42
Sequence of Operation............................................................43
Heating Mode ....................................................................43
Cooling Mode ....................................................................47
Thermidistat Mode ............................................................47
Continuous Blower Mode .................................................47
Heat Pump Mode...............................................................48
Component Test.................................................................48
Adjustments.............................................................................48
Set Gas Input Rate ............................................................48
Set Temperature Rise ........................................................50
Adjust Blower Off Delay (Heat Mode)............................55
Set Thermostat Heat Anticipator ......................................55
Check Safety Controls ............................................................55
Check Primary Limit Control ...........................................55
Check Pressure Switch ......................................................56
Checklist..................................................................................56
-1-
350AAV
Series A
II 350A-40-1
8-05
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Table of Contents
Related Manuals for Bryant 350AAV
Summary of Contents for Bryant 350AAV
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Page 1: Table Of Contents
350AAV and operating instructions Series A DELUXE 4-WAY MULITPOISE FIXED-CAPACITY CONDENSING GAS FURNACE Cancels: II 350M-40-19 II 350A-40-1 8-05 Accessories ................27 Removal of Existing Furnaces from Common Vent Systems ................27 Combustion Air and Vent Pipe Systems .......27 Condensate Drain..............41 General................41... -
Page 2: Safety Considerations
AIRFLOW CAUTION: CUT HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing and gloves when UPFLOW handling parts. Recognize safety information. This is the safety-alert symbol When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. - Page 3 —3—...
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Page 4: Codes And Standards
Never test for gas leaks with an open flame. Use a commercially These furnaces are shipped with the following materials to assist in available soap solution made specifically for detection of leaks to proper furnace installation. These materials are shipped in the main check all connections as specified in the GAS PIPING section of blower compartment. - Page 5 INSTALLATION This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size furnaces are only approved for altitudes 0 - 7,000 ft. (0 - 2,135m). An accessory kit, supplied by the manufacturer, shall be used to convert to propane gas use or may be required for some natural gas applications. This furnace is for indoor installation in a building constructed on site.
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Page 6: Electrostatic Discharge (Esd) Precautions
INTRODUCTION → The model 350AAV 4-way multipoise, Gas-Fired, Category IV, condensing furnace is available in model sizes ranging from input capacities of 40,000 to 138,000 Btuh as direct vent (2-pipe) application, and in model sizes ranging from input capacity of 40,000 to 120,000 Btuh as non-direct vent (1-pipe) application. - Page 7 FURNACE BLOWER SHELF CONDENSATE DOOR TRAP FURNACE CONDENSATE DOOR FURNACE TRAP (INSIDE) FURNACE SIDE SIDE FIELD FIELD DRAIN DRAIN CONN CONN ALTERNATE DRAIN TUBE LOCATION SIDE VIEW FRONT VIEW END VIEW FRONT VIEW CONDENSATE TRAP DRAIN TUBE LOCATION HORIZONTAL DOWNFLOW AND ALTERNATE UPFLOW APPLICATIONS APPLICATIONS EXTERNAL UPFLOW APPLICATIONS...
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Page 8: Downflow Applications
PLUG PLUG COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE DRAIN TUBE (BLUE & WHITE STRIPED) & WHITE STRIPED) COLLECTOR BOX COLLECTOR BOX TUBE (PINK) TUBE (PINK) COLLECTOR BOX COLLECTOR BOX TUBE (GREEN) TUBE (GREEN) COLLECTOR BOX INDUCER HOUSING DRAIN TUBE (BLUE) (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX... - Page 9 COLLECTOR BOX DRAIN TUBE (BLUE) PLUG PLUG COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE COLLECTOR BOX TUBE (PINK) COLLECTOR BOX TUBE (PINK) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX COLLECTOR BOX DRAIN TUBE (BLUE EXTENSION TUBE &...
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Page 10: Horizontal Left (Supply-Air Discharge) Applications
d. Use inducer housing drain tube (violet label and factory- To relocate condensate trap from the blower shelf to desired location, perform the following: supplied in loose parts bag) to connect LOWER inducer housing drain connection to the condensate trap. 1. -
Page 11: Horizontal Right (Supply-Air Discharge) Applications
PLUG COLLECTOR BOX AUXILIARY "J" BOX DRAIN TUBE (BLUE AND WHITE STRIPED) CONDENSATE COLLECTOR BOX TRAP TUBE (GREEN) INDUCER HOUSING COLLECTOR DRAIN TUBE (VIOLET) BOX EXTENSION COLLECTOR BOX DRAIN TUBE DRAIN TUBE (BLUE) COLLECTOR BOX EXTENSION TUBE DRAIN TUBE COUPLING COLLECTOR BOX TUBE (PINK) RELOCATE TUBE BETWEEN BLOWER SHELF AND INDUCER HOUSING FOR 040, 060, AND 080 HEATING INPUT FURNACES... - Page 12 COMBUSTION – AIR INTAKE VENT A 12-IN. MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH SHORT (5 TO 8 FT) VENT SYSTEMS TO REDUCE EXCESSIVE CONDENSATE DROPLETS FROM ″ EXITING THE VENT PIPE. WORK AREA ″ ⁄ MANUAL SHUTOFF ACCESS OPENING GAS VALVE FOR TRAP DRAIN...
- Page 13 COLLECTOR BOX DRAIN TUBE (BLUE) COLLECTOR BOX TUBE (GREEN) COLLECTOR BOX EXTENSION TUBE PLUG COLLECTOR BOX TUBE (PINK) AUXILARY “J” BOX RELOCATED HERE CONDENSATE TRAP COLLECTOR BOX DRAIN TUBE (BLUE AND WHITE STRIPED) INDUCER HOUSING DRAIN TUBE (VIOLET) COLLECTOR BOX EXTENSION TUBE A00214 Fig.
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Page 14: Location
C. Condensate Trap Field Drain Attachment Refer to Condensate Drain section for recommendations and procedures. D. Pressure Switch Tubing One collector box pressure tube (pink label) is factory connected to LEVEL (0″) FRONT FRONT ⁄ ″ the pressure switch for use when furnace is installed in UPFLOW ⁄... -
Page 15: Furnace Location Relative To Cooling Equipment
FRONT BACK FRONT A93043 Fig. 15—Installation on Back is Prohibited CAUTION: UNIT DAMAGE HAZARD This gas furnace may be used for construction heat provided that: -The furnace is permanently installed with all electrical wiring, piping, air filters, venting and ducting installed according to these installation instructions. -
Page 16: Hazardous Locations
→ WARNING: FURNACE CORROSION HAZARD Failure to follow this warning could result in reduced furnace component life. Air for combustion must not be contaminated by halogen compounds, which include fluoride, chloride, bromide, and iodide. These elements could corrode heat exchang- ers and shorten furnace life. - Page 17 Outdoor Combustion Air Method communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or 1. Provide the space with sufficient air for proper combustion, spaces (crawl or attic) that freely communicate with the ventilation, and dilution of flue gases using permanent outdoors.
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Page 18: Installation
Infiltration rates greater than 0.60 ACH shall not be used. The Unusually tight construction is defined as minimum required volume of the space varies with the number of Construction with: ACH and shall be determined per Table 2 or Equations 1 and 2. a. -
Page 19: Installation In Upflow And Downflow Applications
1 SQ IN. PER 4000 DUCTS BTUH* OUTDOORS CIRCULATING AIR VENT THROUGH ROOF DUCTS 12″ MAX 12″ 1 SQ IN. VENT PER 2000 THROUGH 12" MAX BTUH* ROOF 1 SQ IN. 1 SQ IN. 4000 PER 1000 BTUH* BTUH* IN DOOR OR WALL DUCTS UNCONFINED... - Page 20 PLENUM OPENING FLOOR OPENING A96283 Fig. 21—Floor and Plenum Opening Dimensions FURNACE FURNACE (OR COIL CASING WHEN USED) CD5 OR CK5 COIL ASSEMBLY OR KCAKC COIL BOX COMBUSTIBLE FLOORING COMBUSTIBLE FLOORING DOWNFLOW SHEET METAL SUBBASE PLENUM SHEET METAL FLOOR PLENUM OPENING FLOOR OPENING...
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Page 21: Installation In Horizontal Applications
Flexible connections should be used between ductwork and furnace to prevent transmission of vibration. Ductwork passing PERFORATED DISCHARGE DUCT through unconditioned space should be insulated to enhance FLANGE system performance. When air conditioning is used, a vapor barrier is recommended. Maintain a 1-in. -
Page 22: Filter Arrangement
COMBUSTION-AIR INTAKE (NON-DIRECT VENT/1-PIPE COMBUSTION-AIR PIPE APPLICATION) (DIRECT VENT/2-PIPE APPLICATION,ALL SIZES) VENT 3-IN. MINIMUM CLEARANCE TO COMBUSTION-AIR INTAKE IS REQUIRED (NON-DIRECT VENT/1-PIPE ⁄ 8 -IN. ROD APPLICATION,) ANGLE ″ ⁄ IRON OR EQUIVALENT ALTERNATE SUPPORT LOCATION 4-IN. MIN 8-IN. MAX DRAIN (A) ROD LOCATION USING DIMPLE... -
Page 23: Bottom Closure Panel
→ WASHABLE TABLE 4—FILTER INFORMATION FILTER AIR FILTER LOCATED IN BLOWER COMPARTMENT FURNACE FILTER SIZE (IN.) FILTER CASING FILTER TYPE Side Return†* Bottom Return* WIDTH (IN.) RETAINER 17–1/2 (1) 16 X 25 X 1 (1) 16 X 25 X 1 Cleanable (1) 16 X 25 X 1 (1) 20 X 25 X 1 Cleanable 24–1/2... -
Page 24: Electrical Connections
SUPPLY MANUAL SHUTOFF VALVE (REQUIRED) SEDIMENT TRAP UNION BOTTOM CLOSURE PANEL FRONT FILLER PANEL A93324 A93047 Fig. 29—Typical Gas Pipe Arrangement Fig. 28—Removing Bottom Closure Panel If local codes allow the use of a flexible gas appliance connector, always use a new listed connector. Do not use a connector which TABLE 5—MAXIMUM CAPACITY OF PIPE* has previously served another gas appliance. - Page 25 COMBUSTION-AIR PIPE GROMMETS UNUSED 1/2 -IN. DIAMETER GAS COMBUSTION CONN. HOLE -AIR PIPE GAS LINE GAS LINE ENTRY HOLE FILLER PLUG VENT PIPE GAS LINE GROMMET VENT PIPE GROMMET NOTE: PIPE GROMMETS AND ENTRY HOLE FILLER PLUGS ARE INCLUDED IN FACTORY-SUPPLIED LOOSE PARTS BAG A05057 A05057...
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Page 26: 115-V Wiring
TABLE 6—ELECTRICAL DATA OPERATING VOLTS— MAX WIRE MAX FUSE FURNACE UNIT VOLTAGE RANGE HERTZ— UNIT WIRE LENGTH OR CKT BKR SIZE AMPACITY† PHASE AMPS SIZE (FT)‡ AMPS** Max* Min* 024040 115-60-1 036040 115-60-1 10.0 024060 115-60-1 036060 115-60-1 048060 115-60-1 12.8 036080 115-60-1... -
Page 27: Accessories
ALTERNATE FIELD FACTORY LOCATION INSTALLED LOCATION POWER ENTRY HOLE FILLER PLUG (FACTORY- SUPPLIED LOOSE PARTS BAG) POWER ENTRY HOLE FILLER PLUG (FACTORY- UNUSED 7/8-IN. DIAMETER SUPPLIED LOOSE PARTS BAG) POWER ENTRY HOLES UNUSED 7/8-IN. DIAMETER POWER ENTRY HOLES A05058 → Fig. 34—Relocating J-Box shown in Fig. - Page 28 PRINTED CIRCIUT BOARD PRINTED CIRCIUT BOARD —28—...
- Page 29 TABLE 7—APPROVED COMBUSTION-AIR AND VENT PIPE, FITTING AND CEMENT MATERIALS ASTM SPECIFICATION MATERIAL PIPE FITTINGS SOLVENT CEMENT AND PRIMERS DESCRIPTION (MARKED ON MATERIAL) D1527 Pipe — — Schedule-40 D1785 Pipe — — Schedule-40 Solvent D2235 For ABS — — For ABS Cement D2241 Pipe...
- Page 30 → → An abandoned masonry chimney may be used as a raceway for E. Combustion Air Pipe properly insulated and supported combustion-air (when appli- GENERAL cable) and vent pipes. Each furnace must have its own set of Furnace combustion-air connection must be attached as shown in combustion-air and vent pipes and be terminated individually, as Fig.
- Page 31 A05009 TABLE 8—Direct Vent Termination Clearance —31—...
- Page 32 A05013 → TABLE 9—Other than Direct Vent Termination Clearance —32—...
- Page 33 TABLE 10—MAXIMUM ALLOWABLE EXPOSED VENT PIPE LENGTH (FT) WITH AND WITHOUT INSULATION IN WINTER DESIGN TEMPERATURE AMBIENT* WINTER DESIGN MAX PIPE FURNACE WITHOUT WITH 3/8–IN. OR TEMPERATURE DIAMETER SIZE INSULATION THICKER INSULATION† (°F) (IN.) * Pipe length (ft) specified for maximum pipe lengths located in unconditioned spaces. Pipes located in unconditioned space cannot exceed total allowable pipe length as specified in Table 11.
- Page 34 6. Install a field-supplied No. 6 or No. 8 sheet metal screw into NOTE: Select 1 vent pipe connection and NOTE: Select 1 vent pipe connection and 1 combustion-air pipe connection. 1 combustion-air pipe connection. combustion air pipe. 7. Install casing hole filler cap (factory-supplied in loose parts FLOW COMBUSTION- COMBUSTION-...
- Page 35 → TABLE 11—MAXIMUM ALLOWABLE PIPE LENGTH (FT) NON-DIRECT VENT DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS (1-PIPE) ONLY UNIT SIZE ALTITUDE (FT) TERMINATION PIPE DIA (BTUH) PIPE DIA TYPE (IN.)* (IN.)* 2 Pipe or 2-in 40,000 1-1/2 1-1/2 Concentric 1-1/2 1-1/2 2 Pipe or 2-in...
- Page 36 → TABLE 11—MAXIMUM ALLOWABLE PIPE LENGTH (FT) (CONTINUED) NON-DIRECT VENT DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS (1-PIPE) ONLY UNIT SIZE ALTITUDE (FT) TERMINATION PIPE DIA (BTUH) PIPE DIA TYPE (IN.)* (IN.)* 1-1/2 1-1/2 2 Pipe or 2-in 40,000 Concentric 1-1/2 1-1/2...
- Page 37 → TABLE 11—MAXIMUM ALLOWABLE PIPE LENGTH (FT) (CONTINUED) NON-DIRECT VENT DIRECT VENT (2-PIPE) ONLY NUMBER OF 90° ELBOWS (1-PIPE) ONLY UNIT SIZE ALTITUDE (FT) TERMINATION PIPE DIA (BTUH) PIPE DIA TYPE (IN.)* (IN.)* 1-1/2 1-1/2 2 Pipe or 2-in 40,000 Concentric 1-1/2 1-1/2...
- Page 38 2. Determine location of vent pipe connection to inducer COMBUSTION – AIR INTAKE HOUSING housing as shown in Fig. 39 for application. 3/8 ID TUBE BURNER 3. Reposition elastomeric (rubber) inducer housing outlet cap COMBUSTION-AIR and clamp to appropriate unused inducer housing connec- PIPE (DIRECT tion.
- Page 39 Roof Termination (Preferred) At least 36 in. Concentric Vent and Combustion Air Roof Termination (preferred) Vertical separation between combustion At least air and vent 36 in. Maintain 12 8 3/4 in. for 3 in. kit min. clearance above 18 in. maximum 6 3/4 in.
- Page 40 For vent termination clearance, refer to Table 8 for Direct → EXAMPLE: Vent/2-Pipe system and Table 9 for Non-direct Vent/1-Pipe An 080-12 size furnace located in Indianapolis, elevation system. For exterior piping arrangements, refer to Fig. 42 for 650 ft above sea level, could be installed as either a direct Direct Vent/2-Pipe system and Fig.
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Page 41: Condensate Drain
→ TABLE 12—VENT TERMINATION KIT FOR DIRECT VENT/2-PIPE SYSTEM DIAM. OF COMBUSTION AIR AND VENT DIRECT VENT (2-PIPE) TERMINATION KIT TERMINATION SYSTEM PIPES (IN INCHES) 2-in. Concentric Vent Kit Single Penetration of Wall or Roof 1, 1-1/2, 2, or 2-1/2 3-in. -
Page 42: Condensation Drain Protection
Outdoor draining of the furnace is permissible if allowed by local 3. Natural gas service pressure must not exceed 0.5 psig codes. Caution should be taken when freezing ambient may freeze (14-in. wc), and be no less than 0.16 psig (4.5-in. wc). drain pipe and prohibit draining. -
Page 43: Sequence Of Operation
WARNING: FIRE AND EXPLOSION HAZARD Failure to follow this warning could result in a fire, explosion, personal injury, or death. Never purge a gas line into a combustion chamber. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections. - Page 44 A00268 Fig. 48–Single-Stage Furnace with Single-Speed A00270 Air Conditioner Fig. 50–Single-Stage Furnace with Single-Speed Heat Pump (Dual Fuel) A00271 Fig. 51–Single-Stage Furnace with Two-Speed Heat Pump (Dual Fuel) A00269 Fig. 49–Single Stage Furnace with Two-Speed Air Conditioner —44—...
- Page 45 HUMIDFIER HUMIDFIER (24VAC) (24VAC) A02103 A02102 Fig. 53–Dual Fuel Thermostat with Single-Stage Fig. 52–Dual Fuel Thermostat with Single-Stage Furnace and Two-Speed Heat Pump Furnace and Single-Speed Heat Pump HUMIDFIER (24VAC) A02161 Fig. 54–Two-Stage Thermostat with Single-Stage Furnace and Two-Speed Air Conditioner —45—...
- Page 46 NOTES FOR FIGURE 48-54 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. 3. Select the “ZONE” position on the two-speed heat pump control. 4.
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Page 47: Cooling Mode
d. Flame-Proving- When the burner flame is proved at the with 115 vac whenever the blower motor BLWM is flame-proving sensor electrode FSE, the furnace control operating. CPU begins the blower-ON delay period and continues When the thermostat is satisfied, the R to G and-Y1 or R to hold the gas valve GV open. -
Page 48: Heat Pump Mode
motor BLWM will operate at COOL speed. When the The component test feature will not operate if any thermostat thermostat is satisfied, the blower motor BLWM will signal is present ant the control and not until all time delays are operate an additional 90 seconds on COOL speed before completed. - Page 49 TABLE 13—MODEL 350AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY (TABULATED DATA IS BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) * SPECIFIC GRAVITY OF NATURAL GAS...
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Page 50: Set Temperature Rise
d. Find installation altitude in Table 13 or 14. g. Look through sight glass in burner enclosure and check burner flame. Burner flame should be clear blue, almost NOTE: For Canadian altitudes of 2001 to 4500 ft, use U.S.A. transparent. (See Fig. 57.) altitudes of 2001 to 3000 ft in Table 13 or 14. - Page 51 TABLE 13—MODEL 350AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT (CONTINUED) FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY (TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2 PERCENT FOR EACH 1000 FT ABOVE SEA LEVEL)* SPECIFIC GRAVITY OF NATURAL GAS...
- Page 52 TABLE 13—MODEL 350AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT (CONTINUED) FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY (TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) * SPECIFIC GRAVITY OF NATURAL GAS...
- Page 53 TABLE 14—MODEL 350AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT FOR USE WITH 140 SIZE FURNACES ONLY (TABULATED DATA BASED ON 23,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) * SPECIFIC GRAVITY OF NATURAL GAS...
- Page 54 TABLE 14—MODEL 350AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT (CONTINUED) FOR USE WITH 140 SIZE FURNACES ONLY (TABULATED DATA BASED ON 23,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL) * SPECIFIC GRAVITY OF NATURAL GAS...
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Page 55: Adjust Blower Off Delay (Heat Mode)
TABLE 15–ALTITUDE DERATE MULTIPLER FOR U.S.A. ON AND ALTITUDE PERCENT DERATE MULTIPLIER OFF SWITCH (FT) OF DERATE FACTOR* 0–2000 1.00 2001–3000 4–6 0.95 PRESSURE 3001–4000 6–8 0.93 REGULATOR 4001–5000 8–10 0.91 ADJUSTMENT 5001–6000 10–12 0.89 6001–7000 12–14 0.87 7001–8000 14–16 0.85 8001–9000 16–18... -
Page 56: Check Pressure Switch
THERMOSTAT SUBBASE TABLE 16—GAS RATE (CU FT/HR) TERMINALS WITH THERMOSTAT REMOVED SECONDS SIZE OF TEST DIAL SECONDS SIZE OF TEST DIAL FOR 1 FOR 1 HOOK-AROUND REVOLUTION Cu Ft Cu Ft Cu Ft REVOLUTION Cu Ft Cu Ft Cu Ft VOLT/AMMETER 1800 1636... - Page 57 CHECKLIST—DIRECT VENT (2-PIPE) INSTALLATION LOAD CALCULATION Condensate Drain ____________ Heating Load (Btuh) ________ Unit Level or Pitched Forward ____________ Cooling Load (Btuh) Internal Tubing Connections Free of Kinks ________ and Traps ____________ Furnace Model Selection External Drain Connection Leak Tight and ________ Sloped COMBUSTION AIR AND VENT PIPING...
- Page 58 CHECKLIST—NON DIRECT VENT (1-PIPE) INSTALLATION LOAD CALCULATION Condensate Drain ____________ Heating Load (Btuh) ________ Unit Level or Pitched Forward ____________ Cooling Load (Btuh) Internal Tubing Connections Free of Kinks ________ and Traps ____________ Furnace Model Selection External Drain Connection Leak Tight and ________ Sloped VENT PIPING...
- Page 59 —59—...
- Page 60 © 2005 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 —60— Printed in U.S.A. Catalog No. II 350A-40-1...
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