Bryant 350AAV Installation, Start-Up, And Operating Instructions Manual Download

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TABLE 3—OPENING DIMENSIONS (IN.)

FURNACE

CASING

WIDTH

APPLICATION

PLENUM OPENING

FLOOR OPENING

17-1/2

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 KGASB Subbase

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box

15-1/8

16-3/4

20-3/8

Downflow Applications on Combustible Flooring NOT Using KGASB Subbase

Furnace with CD5 or CK5 Coil Assembly or KCAKC Coil Box

15-1/2

16-1/2

Upflow Applications

19-1/2

24-1/8

20-1/8

24-3/4

Downflow Applications on Non-Combustible Flooring

19-3/8

19-5/8

Downflow Applications on Combustible Flooring Using KGASB Subbase

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box

18-5/8

20-1/4

20-3/8

Downflow Applications on Combustible Flooring NOT Using KGASB Subbase

Furnace with CD5 or CK5 Coil Assembly or KCAKC Coil Box

24-1/2

Upflow Applications

24-1/8

23-5/8

24-3/4

Downflow Applications on Non-Combustible Flooring

22-7/8

23-1/2

19-5/8

Downflow Applications on Combustible Flooring Using KGASB Subbase

Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box

22-1/8

23-3/4

20-3/8

Downflow Applications on Combustible Flooring NOT Using KGASB Subbase

Furnace with CD5 or CK5 Coil Assembly or KCAKC Coil Box

22-1/2

23-1/2

Fig. 22—Furnace, Plenum, and Subbase

Installed on a Combustible Floor

A96285

DOWNFLOW

SUBBASE

SHEET METAL

PLENUM

FLOOR

OPENING

FURNACE

(OR COIL CASING

WHEN USED)

COMBUSTIBLE

FLOORING

Fig. 21—Floor and Plenum Opening Dimensions

A96283

PLENUM

OPENING

FLOOR

OPENING

Fig. 23—Furnace, Plenum, and Coil

Assembly or Coil Box Installed

on a Combustible Floor

A96284

CD5 OR CK5

COIL ASSEMBLY

OR KCAKC

COIL BOX

FURNACE

SHEET METAL

PLENUM

FLOOR

OPENING

COMBUSTIBLE

FLOORING

—20—

Summary of Contents for 350AAV

Page 1: ...al 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 Accessories 27 Removal of Existing Furnaces from Common Vent Systems 27 Combustion Air and Vent Pipe Systems 27 Condensate Drain 41 General 41 Application 41 Condensation Drain Pr...

Page 2: ...t in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation The 350A Multipoise Condensing Gas Fired Furnaces are CSA formerly AGA and CGA design certified for natural and propane gases see furnace rating plate and for installation in alcoves attics basements closets utility rooms crawlspaces an...

Page 3: ...ion of 1 side and the bottom or the bottom only will ensure adequate return air openings for airflow requirements above 1800 CFM at 0 5 W C ESP 17 5 16 24 1 2 27 9 16 TYP 27 5 8 29 11 16 TYP 30 13 16 32 5 8 TYP 33 1 4 TYP CONDENSATE DRAIN TRAP LOCATION ALTERNATE UPFLOW 7 8 IN DIA ACCESSORY POWER ENTRY 7 8 IN DIA POWER CONN CONDENSATE DRAIN TRAP LOCATION DOWNFLOW HORIZONTAL LEFT 26 15 16 24 1 2 22 ...

Page 4: ...onstruction is completed After construction is complete verify furnace operating condi tions including ignition input rate temperature rise and vent ing according to the manufacturer s instructions The furnace shall be installed so that the electrical components are protected by water These furnaces are shipped with the following materials to assist in proper furnace installation These materials a...

Page 5: ...nace is approved for UPFLOW DOWNFLOW and HORIZONTAL installations Cette fournaise est approuvée pour l installation HORIZONTALE et la circulation d air VERS LE HAUT et VERS LE BAS BOTTOM DESSOUS 0 Ø 3 0 0 TOP PLENUM DESSUS CHAMBRE D AIR 1 0 24 MIN ALL POSITIONS DOWNFLOW POSITIONS I HORIZONTAL POSITIONS S I DE C O T E S F R O N T A V A N T B C K A R R I E A E R S E R VI E C LÈNTR T E N E I V A N A ...

Page 6: ... 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 APPLICATIONS I GENERAL Some assembly and modifications are required for furnaces installed in any of the 4 applications shown in Fig 1 All ...

Page 7: ...ath Casing hole filler cap must be installed in blower shelf hole when condensate trap is relocated to prevent com bustion products being drawn in from appliances in the equipment room 4 Install condensate trap into left hand side casing hole by inserting tube connection stubs through casing hole and rotating until tabs snap into locking position 5 Fill unused condensate trap casing holes with pla...

Page 8: ...ns UPPER INDUCER HOUSING DRAIN CONNECTION Attached to the UPPER unused inducer housing drain connection is a cap and clamp This cap is used to prevent condensate leakage in this application Ensure this connection is capped NOTE See Fig 6 or 7 or tube routing label on main furnace door to check for proper connections H Condensate Trap Freeze Protection Refer to Condensate Drain Protection section f...

Page 9: ...Clamp tube to prevent any condensate leakage 2 Condensate Trap Located on Right Side of Casing a Install drain tube coupling factory supplied in loose parts bag into collector box drain tube blue and white striped label which was pre viously plugged b Connect larger diameter drain tube factory supplied in loose parts bag to drain tube coupling extending collector box drain tube for connection to c...

Page 10: ...nd controls section of furnace and conditioned air is discharged to the left A Condensate Trap Location The condensate trap must be removed from the factory installed blower shelf location and relocated in selected application location as shown in Fig 2 or 10 To relocate condensate trap from the blower shelf to desired location perform the following 1 Remove 3 tubes connected to condensate trap 2 ...

Page 11: ...talled below furnace See Fig 5 for dimensions The drain connection to condensate trap must also be properly sloped to an open drain NOTE Combustion air and vent pipes are restricted to a mini mum length of 5 ft See Table 11 NOTE A 12 in minimum offset pipe section is recommended with short 5 to 8 ft vent systems This recommendation is to reduce excessive condensate droplets from exiting the vent p...

Page 12: ... CONDENSING FURNACE IS INSTALLED ABOVE FINISHED CEILINGS Fig 12 Attic Location and Working Platform for Non Direct Vent 1 pipe Applications Sizes 040 Through 120 Only A96184 VENT MANUAL SHUTOFF GAS VALVE SEDIMENT TRAP CONDENSATE TRAP DRAIN ACCESS OPENING FOR TRAP 30 IN MIN WORK AREA A 12 IN MIN HORIZONTAL PIPE SECTION IS RECOMMENDED WITH SHORT 5 TO 8 FT VENT SYSTEMS TO REDUCE EXCESSIVE CONDENSATE ...

Page 13: ...main furnace door to check for proper connections 1 Collector Box Drain Tube a Remove factory installed plug from LOWER collector box drain tube blue and white striped label b Install removed clamp and plug into UPPER collector box drain tube blue label which was previously con nected to condensate trap c Connect LOWER collector box drain tube blue and white striped label to condensate trap Tube d...

Page 14: ...combustion air pipe when applicable are restricted to a minimum length of 5 ft See Table 11 NOTE A 12 in minimum offset pipe section is recommended with short 5 to 8 ft vent systems This recommendation is to reduce excessive condensate droplets from exiting the vent pipe See Fig 11 12 or 38 NOTE The 140 size may NOT be installed in non direct vent 1 pipe application LOCATION I GENERAL This furnace...

Page 15: ...he furnace rating plate and the firing rate has been set to the nameplate value The filters used to clean the circulating air during the construction process must be either changed or thoroughly cleaned prior to occupancy The furnace ductwork and filters are cleaned as necessary to remove drywall dust and construction debris from all HVAC system components after construction is completed After con...

Page 16: ...ypes of furnace installations may require OUT DOOR AIR for combustion due to chemical exposures Commercial buildings Buildings with indoor pools Laundry rooms Hobby or craft rooms and Chemical storage areas If air is exposed to the following substances it should not be used for combustion air and outdoor air may be required for combus tion Permanent wave solutions Chlorinated waxes and cleaners Ch...

Page 17: ...ed from outdoors for furnace combustion ventilation and dilution of flue gases The furnace combustion air supply must be provided in accordance with this instruction manual The Standard Method 1 The space has no less volume than 50 cubic feet per 1 000 Btuh of the maximum input ratings for all gas appliances installed in the space and 2 The air infiltration rate is not known to be less than 0 40 a...

Page 18: ...s have a continuous sealed vapor barrier Openings are gasketed or sealed and b Doors and openable windows are weatherstripped and c Other openings are caulked or sealed These include joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines etc NOTE In determining the free area of an ope...

Page 19: ... will affect airflow across heat exchangers and may cause limit cycling or premature heat exchanger failure Remove duct flange completely or bend it inward a minimum of 210 as shown in Fig 24 NOTE For 140 size unit when installed in downflow orientation cut the white jumper wire off between terminals PL1 7 and PL1 9 Fig 18 Air for Combustion Ventilation and Dilution for Outdoors A03174 1 SQ IN PER...

Page 20: ...plications on Combustible Flooring NOT Using KGASB Subbase Furnace with CD5 or CK5 Coil Assembly or KCAKC Coil Box 19 19 20 20 24 1 2 Upflow Applications 23 24 1 8 23 5 8 24 3 4 Downflow Applications on Non Combustible Flooring 22 7 8 19 23 1 2 19 5 8 Downflow Applications on Combustible Flooring Using KGASB Subbase Furnace with or without CD5 or CK5 Coil Assembly or KCAKC Coil Box 22 1 8 19 23 3 ...

Page 21: ...a removable access panel This opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible openings using light assistance or a probe can be inserted for sampling the air stream The cover attachment shall prevent leaks B Ductwork Acoustical Treatment Metal duct systems that do not have a 90 degree elbow and 10 ft of main d...

Page 22: ...furnace blower compartment Factory supplied washable filters are shipped in the blower compartment If a factory supplied external Filter Media cabinet is provided instructions for its application assembly and installation are packaged with the cabinet The Filter Media cabinet can be used with the factory supplied washable filter or a factory specified high efficiency disposable filter see cabinet ...

Page 23: ...emove 2 screws holding front filler panel See Fig 28 2 Rotate front filler panel downward to release holding tabs 3 Remove bottom closure panel 4 Reinstall front filler panel and screws VII GAS PIPING Gas piping must be installed in accordance with national and local codes Refer to current edition of NFGC in the United States Canadian installations must be made in accordance with NSCNG PIC and all...

Page 24: ...8 in NPT plugged tapping accessible for test gauge connection MUST be installed immediately upstream of gas supply connection to furnace and downstream of manual shutoff valve Gas line grommet factory supplied loose parts bag should be used when installing gas piping Gas line entry hole filler plug should be installed in unused gas line entry hole See Fig 30 NOTE The gas valve inlet pressure tap c...

Page 25: ...OMMET UNUSED 1 2 IN DIAMETER GAS CONN HOLE GAS LINE ENTRY HOLE FILLER PLUG NOTE PIPE GROMMETS AND ENTRY HOLE FILLER PLUGS ARE INCLUDED IN FACTORY SUPPLIED LOOSE PARTS BAG A05057 Fig 31 Typical Heating and Cooling Application Wiring Diagram A99440 115 V FIELD SUPPLIED DISCONNECT AUXILIARY J BOX 24 V TERMINAL BLOCK THREE WIRE HEATING ONLY FIVE WIRE NOTE 1 NOTE 2 FIELD SUPPLIED DISCONNECT CONDENSING ...

Page 26: ...les See Fig 33 J BOX RELOCATION 1 Remove 2 screws holding auxiliary J box See Fig 34 2 Rotate J box 180 and attach box to left side using holes provided 3 Install electrical entry hole filler plugs factory supplied loose parts Bag in unused power entry holes See Fig 34 WARNING ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in serious injury death or property damage If...

Page 27: ...rly vent the remaining attached appliances An improperly sized Category I venting system could cause the formation of condensate in the furnace and vent leakage of condensate and combustion products spillage of combustion products into the living space etc X COMBUSTION AIR AND VENT PIPE SYSTEMS A General Vent system or vent connectors may need to be resized For any other appliances when resizing v...

Page 28: ...M 24VAC HUMIDIFIER CONNECTION 0 5 AMP MAX IDM INDUCED DRAFT MOTOR PSC IDR INDUCED DRAFT MOTOR RELAY SPST N O ILK BLOWER ACCESS PANEL INTERLOCK SWITCH SPST N O J1 BLOWER OFF DELAY JUMPER SELECTOR JB JUNCTION BOX LED LIGHT EMITTING DIODE FOR STATUS CODES AMBER LGPS LOW GAS PRESSURE SWITCH SPST N O LS LIMIT SWITCH AUTO RESET SPST N C OL AUTO RESET INTERNAL MOTOR OVERLOAD TEMPERATURE SWITCH N C PCB PR...

Page 29: ...ns of use D Materials Combustion air and vent pipe fittings primers and solvents must conform to American National Standards Institute ANSI stan dards and American Society for Testing and Materials ASTM standards See Table 7 for approved materials for use in the U S A WARNING FIRE AND EXPLOSION HAZARD Failure to follow this warning could result in fire property damage personal injury or death Solv...

Page 30: ... combustion air must termi nate outside of furnace casing with 1 elbow Orient elbow so that its opening faces down for upflow or downflow applications Orient elbow so that its opening faces sideways left or right for horizontal left or horizontal right applications See Fig 37 Maintain a 3 in minimum clearance between the opening of the combustion air inlet pipe and any object CAUTION UNIT CORROSIO...

Page 31: ...TABLE 8 Direct Vent Termination Clearance A05009 31 ...

Page 32: ... TABLE 9 Other than Direct Vent Termination Clearance A05013 32 ...

Page 33: ...nsitions outside furnacec casing per Fig 39 2 If required per Table 11 insert perforated disk assembly factory supplied in loose parts bag in intake housing where combustion air pipe will be connected If half disk set is required install only shouldered disk half ATTACHMENT OF COMBUSTION AIR PIPE 1 Determine location of combustion air intake pipe connec tion to combustion air intake housing as sho...

Page 34: ...ure could be pulled in F Vent Pipe GENERAL Furnace vent connection must be attached as shown in Fig 37 WARNING CARBON MONOXIDE POISONING AND PROPERTY DAMAGE HAZARD Failure to follow this warning could result in property damage personal injury or death Vent pipes must be airtight NOTE A 2 in diameter pipe must be used within the furnace casing Make all pipe diameter transitions outside furnace casi...

Page 35: ... 70 70 70 70 70 60 000 2 Pipe or 2 in Concentric 1 1 2 1 1 2 17 12 7 NA NA NA 2 2 70 67 66 61 61 61 80 000 2 Pipe or 2 in Concentric 2 2 49 44 30 25 25 15 2 1 2 2 1 2 70 70 70 70 70 70 100 000 2 Pipe or 3 in Concentric 2 1 2 2 1 2 35 26 16 16 6 NA 3 3 70 70 70 70 66 61 120 000 2 Pipe or 3 in Concentric 3 NA 14 9 NA NA NA NA NA 3 63 62 62 61 61 61 3 no disk NA 70 70 63 56 50 43 4 no disk 4 no disk ...

Page 36: ...0 70 70 70 70 70 60 000 2 Pipe or 2 in Concentric 1 1 2 1 1 2 14 9 NA NA NA NA 2 2 60 55 54 49 48 47 80 000 2 Pipe or 2 in Concentric 2 2 41 36 23 18 17 8 2 1 2 2 1 2 70 70 70 70 70 70 100 000 2 Pipe or 3 in Concentric 2 1 2 2 1 2 29 21 12 11 NA NA 3 3 70 67 62 57 52 47 120 000 2 Pipe or 3 in Concentric 3 no disk NA 42 35 29 22 15 9 NA 3 53 52 50 49 48 47 4 no disk 4 no disk 70 70 70 70 70 70 140 ...

Page 37: ...UMBER OF 90 ELBOWS TERMINATION TYPE PIPE DIA IN PIPE DIA IN 1 2 3 4 5 6 9001 to 10 000 40 000 2 Pipe or 2 in Concentric 1 1 2 1 1 2 42 37 32 27 25 20 2 2 57 55 53 51 49 47 60 000 2 Pipe or 2 in Concentric 2 2 45 40 38 33 31 29 80 000 2 Pipe or 2 in Concentric 2 2 30 25 14 9 7 NA 2 1 2 2 1 2 57 55 53 51 49 47 100 000 2 Pipe or 3 in Concentric 2 1 2 2 1 2 21 13 5 NA NA NA 3 3 54 49 44 39 34 29 120 0...

Page 38: ...ith 2 loose clamps onto inducer housing connection Insert the 2 in diameter vent pipe through the elastomeric rubber coupling and fully into inducer hous ing connection until it touches a stop inside the inducer housing outlet Tighten the screws on both clamps to 15 in lb of torque pipe to inducer housing Tighten the clamp screws to 15 in lb of torque NOTE Starting at furnace slope vent pipe a min...

Page 39: ... still wet twist pipe into socket with 1 4 turn Be sure pipe is fully inserted into fitting socket 9 Wipe excess cement from joint A continuous bead of cement will be visible around perimeter of a properly made joint 10 Handle pipe joints carefully until cement sets 11 Horizontal portions of the venting system shall be supported to prevent sagging support Support combustion air piping if applicabl...

Page 40: ...ible vent vapors Sidewall termination require sealing or shielding of building surfaces with a corrosive resistance material due to corrosive combustion products of vent system NOTE Direct Vent 2 Pipe system ONLY A factory accessory termination kit MUST be used See section Vent Termination Kit Direct Vent 2 Pipe System Only in this instruction When determining appropriate location for termination ...

Page 41: ...g 42 3 Disassemble loose pipe fittings Clean and cement using same procedures as used for system piping 4 Check required dimensions as shown in Fig 42 MULTIVENTING AND VENT TERMINATIONS When 2 or more 350A Furnaces are vented near each other each furnace must be individually vented NEVER common vent or breach vent 58MCB furnaces Direct Vent 2 Pipe System ONLY When 2 or more 58MCB furnaces are vent...

Page 42: ...v terminal block on furnace control 3 Natural gas service pressure must not exceed 0 5 psig 14 in wc and be no less than 0 16 psig 4 5 in wc 4 Blower access panel must be in place to complete 115 v electrical circuit to furnace CAUTION UNIT MAY NOT OPERATE Failure to follow this caution may result in intermittent unit operation These furnaces are equipped with a manual reset limit switch in burner...

Page 43: ...l respond to the thermostat normally The blower door must be installed for power to be conducted through the blower door interlock switch ILK to the furnace control CPU transformer TRAN inducer motor IDM blower motor BLWM hot surface igniter HSI and gas valve GV A Heating Mode See Fig 31 for thermostat connections The wall thermostat calls for heat closing the R to W circuit The furnace control pe...

Page 44: ... Single Speed Air Conditioner Fig 49 Single Stage Furnace with Two Speed Air Conditioner A00269 A00270 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 44 ...

Page 45: ...Single Stage Furnace and Single Speed Heat Pump HUMIDFIER 24VAC A02103 Fig 53 Dual Fuel Thermostat with Single Stage Furnace and Two Speed Heat Pump HUMIDFIER 24VAC A02161 Fig 54 Two Stage Thermostat with Single Stage Furnace and Two Speed Air Conditioner 45 ...

Page 46: ...essor operation This is factory default 8 Dip switch No 2 on Thermidistat should be set in ON position for two speed compressor operation 9 Configuration Option No 10 Dual Fuel Selection must be turned ON in all dual fuel applications 10 NO connection should be made to the furnace HUM terminal when using a Thermidistat 11 The RVS Sensing terminal L should not be connected This is internally used t...

Page 47: ...EAC 1 is energized with 115 vac whenever the blower motor BLWM is operating When the thermostat is satisfied the R to G and Y1 or R to G and Y1 and Y2 circuits are opened The outdoor unit stops and the furnace blower BLWM and electronic air cleaner terminal EAC 1 will remain energized for an additional 90 seconds Jumper Y1 to DHUM to reduce the cooling off delay to 5 seconds See Fig 31 C Thermidis...

Page 48: ...f the R to W and Y Y2 or R to W and Y1 and Y Y2 signals disappear leaving the G signal the blower motor BLWM will remain on for the selected blower OFF delay period then switch to continuous blower speed F Component Test NOTE The furnace control component test allows all compo nents to run for a short time except the gas valve and humidifier terminal HUM are not energized for safety reasons The EA...

Page 49: ... No Manifold Pressure U S A and Canada U S A 775 43 3 8 42 3 2 42 3 3 42 3 4 42 3 5 Altitudes 800 43 3 5 43 3 7 43 3 8 42 3 2 42 3 3 2001 to 825 44 3 8 43 3 4 43 3 6 43 3 7 43 3 8 3000 850 44 3 6 44 3 7 44 3 8 43 3 5 43 3 6 or 875 44 3 4 44 3 5 44 3 6 44 3 7 43 3 4 Canada 900 44 3 2 44 3 3 44 3 4 44 3 5 44 3 6 Altitudes 925 45 3 7 45 3 8 44 3 2 44 3 3 44 3 4 2001 to 950 45 3 5 45 3 6 45 3 7 45 3 8...

Page 50: ...xchangers DO NOT redrill orifices Improper drilling burrs out of round holes etc can cause excessive burner noise and misdirection of burner flames See Fig 56 e Replace gas valve regulator adjustment screw seal cap f Replace burner enclosure front and verify adjusted gas input rate using method outlined in item 3 g Look through sight glass in burner enclosure and check burner flame Burner flame sh...

Page 51: ... 3 6 45 3 7 44 3 2 44 3 3 44 3 4 to 850 45 3 4 45 3 5 45 3 6 45 3 8 44 3 2 875 45 3 2 45 3 3 45 3 4 45 3 6 45 3 7 6000 900 45 3 0 45 3 1 45 3 3 45 3 4 45 3 5 925 45 2 9 45 3 0 45 3 1 45 3 2 45 3 3 950 45 2 7 45 2 8 45 2 9 45 3 0 45 3 1 11 975 45 2 6 45 2 7 45 2 8 45 2 9 45 2 9 derate 1000 45 2 5 45 2 5 45 2 6 45 2 7 45 2 8 ALTITUDE RANGE Ft Avg GAS HEAT VALUE AT ALTITUDE Btu cu ft SPECIFIC GRAVITY...

Page 52: ...No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifold Pressure U S A Only 600 43 3 8 42 3 3 42 3 4 42 3 5 42 3 6 625 43 3 5 43 3 6 43 3 8 42 3 2 42 3 3 8001 650 44 3 7 43 3 4 43 3 5 43 3 6 43 3 7 675 44 3 5 44 3 6 44 3 7 44 3 8 43 3 4 to 700 44 3 2 44 3 3 44 3 4 44 3 6 44 3 7 725 45 3 6 45 3 8 44 3 2 44 3 3 44 3 4 9000 750 45 3 4 45 3 5 45 3 6 45 3 8 44...

Page 53: ...ifold Pressure U S A and Canada U S A 775 41 3 7 41 3 8 40 3 6 40 3 7 39 3 6 Altitudes 800 42 3 8 41 3 6 41 3 7 41 3 8 40 3 6 2001 to 825 42 3 6 42 3 7 41 3 5 41 3 6 41 3 7 3000 or 850 42 3 4 42 3 5 42 3 6 42 3 7 41 3 5 Canada 875 42 3 2 42 3 3 42 3 4 42 3 5 42 3 6 Altitudes 900 43 3 7 43 3 8 42 3 2 42 3 3 42 3 4 2001 to 925 43 3 5 43 3 6 43 3 7 42 3 2 42 3 3 4500 950 43 3 3 43 3 4 43 3 5 43 3 7 4...

Page 54: ...ure U S A Only 700 41 3 5 41 3 7 41 3 8 40 3 6 40 3 7 725 42 3 7 42 3 8 41 3 5 41 3 6 41 3 8 750 42 3 4 42 3 5 42 3 7 42 3 8 41 3 5 775 42 3 2 42 3 3 42 3 4 42 3 5 42 3 7 5001 800 43 3 7 43 3 8 42 3 2 42 3 3 42 3 4 825 43 3 5 43 3 6 43 3 7 43 3 8 42 3 2 to 850 43 3 3 43 3 4 43 3 5 43 3 6 43 3 7 875 43 3 1 43 3 2 43 3 3 43 3 4 43 3 5 6000 900 43 2 9 43 3 0 43 3 1 43 3 2 43 3 3 925 43 2 7 43 2 8 43 ...

Page 55: ...ng should be taken after blower motor has started and furnace is heating Connect ammeter wires as shown in Fig 58 The thermostat anticipator should NOT be in the curcuit while mea suring current If thermostat has no subbase the thermostat must be disconnected from R and W wires during current measurement See thermostat manufacturer s instructions for adjusting heat anticipator and for varying heat...

Page 56: ...1385 53 68 136 340 14 257 514 1286 54 67 133 333 15 240 480 1200 55 65 131 327 16 225 450 1125 56 64 129 321 17 212 424 1059 57 63 126 316 18 200 400 1000 58 62 124 310 19 189 379 947 59 61 122 305 20 180 360 900 60 60 120 300 21 171 343 857 62 58 116 290 22 164 327 818 64 56 112 281 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250...

Page 57: ...________ Pipe Sloped To Furnace Pipe Insulation ________ Over Ceilings ________ Low Ambient Exposed Pipes Condensate Drain ________ Unit Level or Pitched Forward ________ Internal Tubing Connections Free of Kinks and Traps ________ External Drain Connection Leak Tight and Sloped ________ Condensate Trap Primed before Start Up ________ Heat Tape Installed if Required CHECKLIST START UP ________ Gas...

Page 58: ... ________ Low Ambient Exposed Pipes Condensate Drain ________ Unit Level or Pitched Forward ________ Internal Tubing Connections Free of Kinks and Traps ________ External Drain Connection Leak Tight and Sloped ________ Condensate Trap Primed before Start Up ________ Heat Tape Installed if Required CHECKLIST START UP ________ Gas Input Rate Set Within 2 percent of Rating Plate ________ Temperature ...

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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