Bryant 315AAV User Manual Page 1

1Installation, Start--up, Operating andService and Maintenance InstructionsSeries 150/F315AAV/JAVVARIABLE--SPEED, INDUCED--COMBUSTION DELUXE4--WAY MUL

10Infiltration rates greater than 0.60 ACH shall not be used. Theminimum required volume of the space varies with the number ofACH and shall be determ

111 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) A89014Fig. 10 --

12PLENUMOPENINGCABDFLOOROPENINGA96283Fig. 11 -- Floor and Plenum Opening DimensionsRoll--Out ProtectionProvide a minimum 17--3/4--in. X 22--in. (451 X

13Table 4 – Opening Dimensions -- In. (mm)FURNACECASINGWIDTHIN. (mm)APPLICATIONPLENUM OPENING FLOOR OPENINGA B C D14–3/16(360)Upflow Applications on C

14Supply AirConnectionsFor a furnace not equipped with a cooling coil, the outlet ductshall be provided with a removable access panel. This openingsha

151 / 4 " (6mm) THREADED ROD4 REQ.SECURE ANGLEIRON TO BOTTOMOF FURNACE WITH3 #8 x 3/4" (19mm) SCREWSTYPICAL FOR 2 SUPPORTS1” (25mm) SQUARE,

1630-IN . (762mm) MIN WORK AREA6 ″ M IN * TYPE-B VENT 17 3 / 4 ″22 ″SHEET MET AL SEDIMENT TRAP EQUIPMENT MANU AL SHUT -OFF GAS VA LV E LINE CONT A

17A02163Fig. 19 -- Downflow Return Air Configurations and RestrictionsA02162Fig. 20 -- Horizontal Return Air Configurations and Restrictions315AAV

18Table 5 – Air Delivery -- CFM (With Filter)*Unit Size Operating ModeCFMAirflowSettingExternalStaticPressureRange*(In. W.C.)External Static Pressure

19Return AirConnectionsFIRE HAZARDA failure to follow this warning could cause personal injury,death and/or property damage.Never connect return--air

2SAFETY CONSIDERATIONSFIRE, EXPLOSION, ELECTRICAL SHOCK, ANDCARBON MONOXIDE POISONING HAZARDFailure to follow this warning could result in dangerousop

20should extend below level of furnace gas controls. Place a groundjoint union between furnace gas control valve and exteriormanual equipment gas shut

21Table 7 – Electrical DataFURNACESIZEV O LT S ---H E R T Z ---PHASEOPERATINGVOLTAGE RANGEMAX. UNITAMPSUNITAMPACITY#MAX . WIREL E N G T H --- F T ( M

22A10141Fig. 24 -- Field--Supplied Electrical Box on Furnace CasingPower Cord Installation in FurnaceJ--BoxNOTE: Power cords must be able to handle th

23115-VOLT FIELD-SUPPLIEDFUSEDDISCONNECT JUNCTIONBOX CONTROLBOX24-VOLTTERMINALBLOCK THREE-WIREHEATING-ONLY FIVEWIRE NOTE 2NOTE 11-STAGETHERMO

24CARBON MONOXIDE POISONING HAZARDFailure to follow the steps outlined below for eachappliance connected to the venting system being placed intooperat

25See notes 2, 5, 8, 10, 11 and 12on the page following these figuresA03179Fig. 28 -- Two--Stage Furnace with Two--Speed Air Condi-tionerSee notes 1,

267See notes 1, 2, 3, 4, 12, 13, 14, 15, and 17on the page following these figuresA03182Fig. 32 -- Dual--Fuel Thermostat with Two--Stage Furnaceand Tw

27NOTES FOR FIGURES 27 -- 341. Heat pump MUST have a high pressure switch for dual fuel applications.2. Refer to outdoor equipment Installation Instru

28A10133Fig. 35 -- Chimney Inspection Chart315AAV

29Masonry Chimney RequirementNOTE: These furnaces are CSA design--certified for use inexterior tile--lined masonry chimneys with a factory accessoryCh

3A10269Fig. 1 -- Clearances to Combustibles315AAV

30Table 9 – Minimum Allowable Input Rating ofSpace--Heating Appliance in Thousands of Btuh per HourVENT HEIGHTFT. (M)INTERNAL AREA OF CHIMNEYSQ. IN. (

31SEE NOTES: 1,2,4,7,8,9on the page followingthese figuresA03208Fig. 36 -- Upflow Application -- Vent Elbow UpSEE NOTES: 1,2,3,4,7,8,9on the pages fol

32SEE NOTES: 1,2,4,5,6,7,8,9,10on the page following these figuresA03207Fig. 40 -- Downflow Application -- Vent Elbow Left then UpSEE NOTES:1,2,3,4,5,

33SEE NOTES: 1,2,4,5,7,8,9 on the pagefollowing these figuresA03215Fig. 45 -- Horizontal Left Application -- Vent Elbow UpSEE NOTES: 1,2,4,5,7,8,9 on

34Caution!! For the following applications, use the minimum vertical heights as specified below.For all other applications, follow exclusively the Nat

35BURNER ORIFICEA93059Fig. 50 -- Orifice HoleR Y W G10 TURNSTHERMOSTAT SUBBASETERMINALS WITHTHERMOSTAT REMOVED(ANITICIPATOR, CLOCK, ETC.,MUST BE OUT O

36Table 10 – Furnace Setup Switch DescriptionSETUP SWITCHNO.SWITCH N AMENORMALPOSITIONDESCRIPTION OF USES W 1 --- 1 Status Code Recovery OFFTurn ON to

37c. Find installation altitude in Table 14 or 15.d. Find closest natural gas heat value and specific gravityin Table 14 or 15.e. Follow heat value an

386. Set Temperature RiseNOTE: Blower access door must be installed when takingtemperature rise reading. Leaving blower access door off willresult in

39for Low Speed or High Speed cooling. See Table 5--AirDelivery -- CFM (With Filter ). Depending on the modelsize, the cooling airflow can be adjusted

4INTRODUCTIONThe Series 150/F 4--way multipoise Category I fan--assistedfurnace is CSA (formerly A.G.A. and C.G.A.) design--certified. ACategory I fan

40A08464Fig. 53 -- Wiring Diagram315AAV

41Table 13 – Gas Rate (CU ft./hr)SECONDS GFOR 1 REVOLUTIONSIZE OF TEST DIALSECONDSFOR 1 REVOLUTIONSIZE OF TEST DIAL1CuFt. 2CuFt. 5CuFt. 1CuFt. 2CuFt.

42Table 14 – Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate(Tabulated Data Based on 22,000 Btuh High--Heat/14,500 Btuh for Low--Heat

43Table 14 -- Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con’t.)(Tabulated Data Based on 22,000 Btuh High--Heat/14,500 Btuh for

44Table 15 – Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate(Tabulated Data Based on 21,000 Btuh High--Heat/14,500 Btuh for Low--Heat

45Table 15 -- Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con’t.)(Tabulated Data Based on 21,000 Btuh High--Heat/14,500 Btuh for

46Check Safety ControlsThe flame sensor, gas valve, and pressure switch were all checkedin the Start--up procedure section as part of normal operation

47the furnace, and conditioned air is discharged upward. Since thisfurnace can be installed in any of the 4 positions shown in Fig. 4,you must revise

487. RELEASE BLOWER ACCESS DOOR SWITCH, reat-tach wire to “R” terminal on furnace control board, replaceblower access door, and replace outer access d

49Table 16 – Filter Size Information -- In. (mm)FURNACE CASING WIDTHFILTER SIZEFIL TER TYPESIDERETURNBOTTOMRETURN14---1/2 (368)16 X 25 X 3/4(406 X 635

5AAB[736.9][736.9]2929Ø7/8Ø7/8[22.2][22.2]ACCESSORYACCESSORY5 15/165 15/16[150.7][150.7]28.3928.39[721.2][721.2]Ø7/8Ø7/8[22.2][22.2]ACCESSORYACCESSORY

50A05025Fig. 54 -- Igniter Position -- Side View1-7/8(47.6 mm)A05026Fig. 55 -- Igniter Position -- Top ViewIf it becomes necessary to clean the heat e

5113. Reconnect wires to the following components (Use con-nection diagram on wiring label, if wires were not markedfor reconnection locations.):a. Dr

52AIR CONDITIONING AIRFLOW 070 MODEL 090 MODEL 110, 135,TONS (12,000 BTU/HR) (CFM) & 155 MODELS1-1/2 525 X X2 700 X X X2-1/2 875 X X X3 1050 X X X

53seconds after the GVR closes, a 2--second flame prov-ing period begins. The HSI igniter will remain ener-gized until the flame is sensed or until th

54The furnace control CPU can start up the cooling unit in eitherlow-- or high--cooling. If starting up in low--cooling, the furnacecontrol CPU determ

55blower airflow after the heating cycle is completed. Inhigh--heat, the furnace control CPU will drop the blowermotor BLWM to low--heat airflow durin

56Is AMBER LED status light blinking ON/OFFslowly with a combination of short andlong flashes?Is AMBER LED status light blinkingrapidly without a paus

5711 NO PREVIOUS CODE – Status codesare erased after 72 hours or can bemanually erased by putting setup switchSW1-1 in the ON position and jumperingR,

5825 INVALID MODEL SELECTION ORSETUP ERROR – If status code 25 onlyflashes 4 times on power-up the controlis missing its model plug PL4 and isdefaulti

59Table 17 – Accessory ListDESCRIPTION PART NUMBER NOTESMedia Filter CabinetFILCABXX0016 Filter cabinet 16” (406 mm) for 4” (102 mm) wide filterFILCAB

6THE BLOWER IS LOCATEDTO THE RIGHT OF THEBURNER SECTION, ANDAIR CONDITIONED AIR ISDISCHARGED TO THE LEFT.THE BLOWER ISLOCATED BELOW THEBURNER SECTION,

60PARTS REPLACEMENT INFORMATION GUIDECASING GROUPOuter doorBlower doorTop filler plateBottom filler plateBottom enclosureELECTRICALGROUPControl bracke

7 18-IN. (457.2 mm) MINIMUM TO BURNERSA93044Fig. 5 -- Installation in a GarageFIRE HAZARDFailure to follow this warning could result in personalinjur

8Table 2 – Minimum Free Area Required for Each Combustion Air opening of Duct to OutdoorsFURNACEINPUT(BTUH)TWO HORIZONTAL DUCTS SINGLE DUCT OR OPENING

91 SQ IN . PER 4000 BTUH* DUCTS TO O UTDOORS 1 SQ IN. PER 4000 BTUH* C IRCULA TING AIR DUCTS VENT THR OUGH R OOF D B A C E 1 SQ IN. PER 4000 BTUH* DUC