Bryant 355BAV Installation, Start-Up, And Operating Instructions Manual Download Page 41 | Manualshive

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A00275

Fig. 43 -- Two--Stage Furnace with Single--Speed

Air Conditioner

A00276

Fig. 44 -- Two--Stage Furnace with Two--Speed

Air Conditioner

A00277

Fig. 45 -- Two--Stage Furnace with Single--Speed

Heat Pump (Dual Fuel)

A00278

Fig. 46 -- Two--Stage Furnace with Two--Speed

Heat Pump (Dual Fuel)

355B

A

V

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Summary of Contents for 355BAV

Page 1: ...rsonnel The authority having jurisdiction gas inspection authority municipal building department fire department etc should be consulted before installation to determine the need to obtain a permit Co...

Page 2: ...Arrangement 13 Bottom Closure Panel 14 Gas Piping 14 Electrical Connections 16 Removal of Existing Furnaces from Common Vent Systems 20 Combustion air and Vent Pipe Systems 20 Physical Data 33 Condens...

Page 3: ...ust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF A...

Page 4: ...entifies 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 prac...

Page 5: ...2 495 080 20 060080 21 533 19 3 8 492 19 1 2 495 100 20 060100 21 533 19 3 8 492 19 1 2 495 120 20 060120 24 1 2 622 22 7 8 581 23 584 Fig 2 Dimensional Drawing A gas fired furnace for installation i...

Page 6: ...urnace installation These materials are shipped in the main blower compartment Installer Packet Includes Installation Startup and Operating Instructions Service and Maintenance Instructions User s Inf...

Page 7: ...20001 S CANADA NSCNGPIC For a copy contact Standard Sales CSA International 178 Rexdale Boulevard Etobicoke Toronto Ontario M9W 1R3 Canada Combustion and Ventilation Air S US Section 9 3 of the Natio...

Page 8: ...in Fig 7 from the factory See appropriate application instructions for these procedures MINOR PROPERTY DAMAGE Failure to follow this caution may result in minor property damage Local codes may requir...

Page 9: ...onfiguration section for tubing attachment To relocate condensate trap to the left hand side perform the following 1 Remove 3 tubes connected to condensate trap 2 Remove trap from blower shelf by gent...

Page 10: ...ucer Housing Unused Drain Connections Upper Collector Box Drain Connection Attached to the UPPER collector box drain connection is a factory installed plug This plug prevents condensate leakage in thi...

Page 11: ...to the structure The furnace is controlled by a thermostat It may not be hot wired to provide heat continuously to the structure without thermostatic control Clean outside air is provided for combusti...

Page 12: ...position 1 3 4 1 3 4 1 3 4 1 3 4 5 16 5 16 5 16 5 16 44mm 8mm 44mm 8mm 8mm 8mm 44mm 44mm A89014 Fig 12 Leveling Legs Hazardous Locations FIRE EXPLOSION INJURY OR DEATH HAZARD Improper location or inad...

Page 13: ...bow and 10 ft 3 0 M of main duct to the first branch take off may require internal acoustical lining As an alternative fibrous ductwork may be used if constructed and installed in accordance with the...

Page 14: ...lter s as shown in Fig 14 For bottom return air applications filter may need to be cut to fit some furnace widths Install filter as shown in Fig 15 WASHABLE FILTER FILTER SUPPORT FILTER RETAINER 171 2...

Page 15: ...connecting a tee to riser leading to furnace so straight through section of tee is vertical Then connect a capped nipple into lower end of tee Capped nipple should extend below level of gas controls...

Page 16: ...nt operation can occur Do not bypass or close switch with panel removed WARNING UNIT MAY NOT OPERATE Failure to follow this caution may result in intermittent unit operation Furnace control must be gr...

Page 17: ...115 60 1 127 104 8 9 14 31 9 4 15 080 14 115 60 1 127 104 8 9 14 31 9 4 15 080 20 115 60 1 127 104 13 8 12 32 9 7 20 100 20 115 60 1 127 104 13 8 12 32 9 7 20 120 20 115 60 1 127 104 13 8 12 32 9 7 2...

Page 18: ...n furnace door and blower access panel NOTE If a bypass humidifier is used setup switch SW1 3 Low Heat Rise Adjust should be in ON position This compensates for the increased temperature in return air...

Page 19: ...19 A09683 Fig 23 Wiring Diagram 355BAV...

Page 20: ...tdoor air such as an attic or crawl space and the space is well isolated from the living space or garage Materials Combustion air and vent pipe fittings primers and solvents must conform to American N...

Page 21: ...tion instructions Care must be taken to prevent the exhaust gases from one appliance from contaminating the combustion air of other gas appliances Do not take combustion air from inside the chimney wh...

Page 22: ...Locate combustion air inlet as far as possible from swimming pool and swimming pool pump house CAUTION EXAMPLE A 100 000 BTUH furnace located in Indianapolis elevation 650 ft 198 1 M above sea level c...

Page 23: ...UNIT DAMAGE HAZARD Failure to follow this caution may result in unit component damage Inducer housing outlet cap must be installed and fully seated against inducer housing Clamp must be tightened to...

Page 24: ...ST be provided for the ventilation devices in addition to that required by the furnace Refer to the Carbon Monoxide Poisoning Hazard warning in the venting section of these instructions to determine i...

Page 25: ...structure either through sidewall or roof For vent termination clearance refer to Fig 34 for Direct Vent 2 Pipe system and Fig 35 for Ventilated Combustion Air option Roof termination is preferred si...

Page 26: ...n preferred 1 in 25mm maximum typ from wall to inlet 12 in 305mm minimum from overhang or roof Maintain 12 in min clearance above highest anticipated snow level or grade whichever is greater A At leas...

Page 27: ...12 in 305mm minimum clearance above highest anticipated snow level or grade whichever is greater 6 in 152mm minimum clearance between wall and end of vent pipe 10 in 254mm maximum pipe lengt h Sidewal...

Page 28: ...meter hole for 3 in 76 mm kit 2 Loosely assemble concentric vent combustion air termina tion components together using instructions in kit 3 Slide assembled kit with rain shield REMOVED through hole N...

Page 29: ...SWITCHES AND BLOWER OFF DELAY STATUS AND COMM LED LIGHTS 3 AMP FUSE TRANSFORMER 24 VAC CONNECTIONS PL3 ECM BLOWER HARNESS CONNECTOR PL1 LOW VOLTAGE MAIN HARNESS CONNECTOR EAC 1 TERMINAL 115 VAC 1 0 AM...

Page 30: ...30 A05009 Fig 34 Direct Vent Termination Clearance 355BAV...

Page 31: ...31 A05013 Fig 35 Other than Direct Vent Termination Clearance 355BAV...

Page 32: ...4 to 1219 60 000 2 Pipe or 2 In 51 Concentric 1 1 2 38 42 13 37 11 32 10 27 8 22 7 17 5 2 51 70 21 70 21 70 21 70 21 70 21 70 21 80 000 2 Pipe or 2 In 51 Concentric 1 1 2 38 25 8 20 6 15 5 10 3 5 2 NA...

Page 33: ...s otherwise stated use perforated disk assembly factory supplied in loose parts bag Wide radius elbow Vent sizing for Canadian installations over 4500 ft 1372 M above sea level are subject to acceptan...

Page 34: ...ch may result in damage to plants WARNING Condensate Drain Protection Freezing condensate left in condensate trap and drain line may cause cracks and possible water damage may occur If freeze protecti...

Page 35: ...rates HUM terminal is only energized when blower is energized in heating Continuous Fan CF Setup Switches The CF setup switches are used to select desired airflow when thermostat is in continuous fan...

Page 36: ...urn ON to retrieve up to 7 stored status codes for troubleshooting assistance when R thermostat lead is disconnected SW1 2 Adaptive Heat Mode OFF Allows 2 stage operation with a single stage thermosta...

Page 37: ...r 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 SINGLE STAGE THE...

Page 38: ...valve relay contacts GVR close to energize the gas valve GV the gas valve opens The gas valve GV permits gas flow to the burners where it is ignited by the Hot Surface Igniter HSI Five seconds after...

Page 39: ...igh heat airflow five seconds after the R to W2 circuit closes 2 Switching From High To Low Heat If the thermostat R to W2 circuit opens and the R to W1 circuit remains closed the furnace control CPU...

Page 40: ...r dehumidification the furnace blower motor BLWM will drop the blower airflow to 86 of high cooling airflow High cooling airflow is based on the A C selection shown in Fig 39 3 Cooling off delay When...

Page 41: ...h Single Speed Air Conditioner A00276 Fig 44 Two Stage Furnace with Two Speed Air Conditioner A00277 Fig 45 Two Stage Furnace with Single Speed Heat Pump Dual Fuel A00278 Fig 46 Two Stage Furnace with...

Page 42: ...Pump A00280 Fig 48 Dual Fuel Thermostat With Two Stage Furnace and Two Speed Heat Pump A00281 Fig 49 Two Stage Thermostat With Two Stage Furnace and Two Speed Air Conditioner See note 2 A02348 Fig 50...

Page 43: ...plications 10 NO connection should be made to the furnace HUM terminal when using a Thermidistat 11 Optional connection If wire is connected dip switch SW1 2 on furnace control should be set in ON pos...

Page 44: ...CPU turns the hot surface igniter ON for 15 seconds then OFF 3 The furnace control CPU then turns the blower motor BLWM ON at midrange airflow for 15 seconds then OFF 4 After shutting the blower moto...

Page 45: ...45 Table 11 Orifice Size and Manifold Pressures for Gas Input Rate Tabulated Data Based on 20 000 Btuh High Heat 13 000 Btuh Low Heat Per Burner Derated 2 1 000 Ft 305 M Above Sea Level A08376A 355BAV...

Page 46: ...ble 11 Orifice Size and Manifold Pressures for Gas Input Rate Tabulated Data Based on 20 000 Btuh High Heat 13 000 Btuh Low Heat Per Burner Derated 2 1 000 Ft 305 M Above Sea Level Continued A08376B 3...

Page 47: ...t See Fig 53 j Remove jumpers R to W W1 and R to W2 3 Verify natural gas input rate by clocking gas meter NOTE Be sure all pressure tubing combustion air and vent pipes and burner enclosure front are...

Page 48: ...r altitudes n Remove jumper across R W W1 and W2 thermostat connections to terminate call for heat Set temperature rise UNIT DAMAGE HAZARD Failure to follow this caution may result in overheating the...

Page 49: ...ires during current measurement Fig 54 illustrates an easy method of obtaining thermostat amp draw measurements The amp reading should be taken after blower motor has started and furnace is operating...

Page 50: ...d when in ducer motor is disconnected the furnace will shut itself down immediately Determine the reason pressure switches did not function properly and correct the condition 5 Turn off 115 v power to...

Page 51: ..._____ Sidewall ________________ Anticipator Setting Adjusted or ________________ Attic ________________ Cycle Rate 3 Cycles per Hr Selected ________________ Crawl Space Safety Controls Check Operation...

Page 52: ...ge at any time specifications or designs without notice and without incurring obligations E2010 Bryant Heating Cooling Systems D 7310 W Morris St D Indianapolis IN 46231 Printed in U S A Edition Date...

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