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88-A951X001-1D-EN

Downflow Furnace with Coil

Note:

4GXC* or 4MXC* coils installed on a downflow furnace do not

require a metal drain pan shield or the use of the
MAY*FERCOLKITAA kit.

Cut the back flange along perforation.

Starting at the back of the furnace, cut the side flanges along
perforations until past the end of the heat shield to avoid
interference when bending.

Bend furnace side flanges down.

Support the furnace and coil independently.

Set the furnace on top of the coil so that it is flush with the back of
the furnace.

Seal per local codes and requirements.

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Содержание A951X040BD3SAB

Страница 1: ... zo on nt ta al l R Ri ig gh ht t o or r H Ho or ri iz zo on nt ta al l L Le ef ft t A951X040BU3SAB A951X060BU4SAB A951X080BU4SAB A951X080CU5SAB A951X100CU5SAB A951X120DU5SAB D Do ow wn nf fl lo ow w O On nl ly y A951X040BD3SAB A951X060BD3SAB A951X080BD4SAB A951X100CD5SAB A951X120DD5SAB N No ot te e Graphics in this document are for representation only Actual model may differ in appearance CAUTION...

Страница 2: ... OR R E EX XP PL LO OS SI IO ON N H HA AZ ZA AR RD D F Fa ai il lu ur re e t to o f fo ol ll lo ow w t th hi is s W Wa ar rn ni in ng g c co ou ul ld d r re es su ul lt t i in n d da an ng ge er ro ou us s o op pe er ra at ti io on n p pr ro op pe er rt ty y d da am ma ag ge e s se ev ve er re e p pe er rs so on na al l i in nj ju ur ry y o or r d de ea at th h I Im mp pr ro op pe er r s se er rv ...

Страница 3: ...or r d de ea at th h D Do o N NO OT T a at tt te em mp pt t t to o m ma an nu ua al ll ly y l li ig gh ht t t th he e f fu ur rn na ac ce e W WA AR RN NI IN NG G C CA AR RB BO ON N M MO ON NO OX XI ID DE E P PO OI IS SO ON NI IN NG G H HA AZ ZA AR RD D F Fa ai il lu ur re e t to o f fo ol ll lo ow w t th hi is s W Wa ar rn ni in ng g c co ou ul ld d r re es su ul lt t i in n p pr ro op pe er rt ty...

Страница 4: ... be ef fo or re e s se er rv vi ic ci in ng g f fi il lt te er rs s t to o a av vo oi id d c co on nt ta ac ct t w wi it th h m mo ov vi in ng g p pa ar rt ts s W WA AR RN NI IN NG G C CA AR RB BO ON N M MO ON NO OX XI ID DE E H HA AZ ZA AR RD D F Fa ai il lu ur re e t to o f fo ol ll lo ow w t th hi is s W Wa ar rn ni in ng g c co ou ul ld d r re es su ul lt t i in n p pr ro op pe er rt ty y d da...

Страница 5: ...ai il lu ur re e t to o f fo ol ll lo ow w t th hi is s C Ca au ut ti io on n c co ou ul ld d r re es su ul lt t i in n p pr ro op pe er rt ty y d da am ma ag ge e o or r p pe er rs so on na al l i in nj ju ur ry y W Wh he en n t th he e v ve en nt t p pi ip pe e i is s e ex xp po os se ed d t to o t te em mp pe er ra at tu ur re es s b be el lo ow w f fr re ee ez zi in ng g i i e e w wh he en n i...

Страница 6: ... ct ti io on ns s D De et te er rm mi in ne e t th he er re e i is s n no o b bl lo oc ck ka ag ge e o or r r re es st tr ri ic ct ti io on n l le ea ak ka ag ge e c co or rr ro os si io on n o or r o ot th he er r d de ef fi ic ci ie en nc ci ie es s w wh hi ic ch h c co ou ul ld d c ca au us se e a an n u un ns sa af fe e c co on nd di it ti io on n C Cl lo os se e a al ll l d do oo or rs s a an...

Страница 7: ... le ed d T Th he e 9 90 0 e el lb bo ow w c co on nn ne ec ct ti io on n t to o v ve er rt ti ic ca al l p pi ip pe e m mu us st t b be e s se ea al le ed d t to o p pr re ev ve en nt t c co on nd de en ns sa at te e l le ea ak ka ag ge e t to o b ba as se e o of f m ma as so on nr ry y c ch hi im mn ne ey y C CA AU UT TI IO ON N E EQ QU UI IP PM ME EN NT T D DA AM MA AG GE E U UV V l li ig gh ht ...

Страница 8: ...ections 59 Field Wiring 59 Twinning 60 Condensate Drain Instructions 61 61 Vertical Applications 62 Horizontal Applications 66 General Start up and Adjustment 67 Preliminary Inspections 67 Lighting Instructions 67 Control and Safety Switch Adjustment 67 Furnace Combustion Air Exhaust Options 68 Upflow Position Top Vented Combustion Air 70 Upflow Position Left Side Vented Combustion Air 71 Horizont...

Страница 9: ... B Cabinet Upflow Furnaces BAYLIFTC Dual Return Kit C size extension C Cabinet Upflow Furnaces BAYLIFTD Dual Return Kit D size extension D Cabinet Upflow Furnaces BAYBASE205 Downflow Subbase All Downflow Furnaces BAYFLTR206 Filter Access Door Kit Downflow only All Downflow Furnaces BAYSF1165AA a 1 SlimFit Box with MERV 4 Filter All Upflow Furnaces BAYSF1255BA 2 SlimFit Filter Box with MERV4 Filter...

Страница 10: ... may differ in appearance 88 A951X001 1D EN Installer s Guide CAUTION COIL REQUIREMENT Failure to follow this Caution could result in property damage or personal injury 4GXC and 4MXC coils installed on upflow furnaces in vertical horizontal left or horizontal right orientations without a factory installed metal drain pan shield must use a MAY FERCOLKITAA kit Coils installed on upflow furnaces must...

Страница 11: ...5 F h Clean the Furnace duct work and components upon substantial completion of the construction process and verify Furnace operating conditions including ignition input rate temperature rise and venting according to the manufacturer s instructions 10 I In n t th he e C Co om mm mo on nw we ea al lt th h o of f M Ma as ss sa ac ch hu us se et tt ts s t th hi is s p pr ro od du uc ct t m mu us st t...

Страница 12: ... inches of clearance between the furnace combustion air openings in the front panel and any closed panel or door provided 5 Are the ventilation and combustion air openings large enough and will they remain unobstructed If outside air is used are the openings set 12 above the highest snow accumulation level 6 Allow sufficient height in supply plenum above the furnace to provide for cooling coil ins...

Страница 13: ...88 A951X001 1D EN 13 Outline Drawings Upflow Furnace B Size Cabinet ...

Страница 14: ...14 88 A951X001 1D EN Upflow Furnace C Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...

Страница 15: ...88 A951X001 1D EN 15 Upflow Furnace D Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...

Страница 16: ...16 88 A951X001 1D EN Downflow Furnace B Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...

Страница 17: ...88 A951X001 1D EN 17 Downflow Furnace C Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...

Страница 18: ...18 88 A951X001 1D EN Downflow Furnace D Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...

Страница 19: ...oists studs or framing The furnace may be placed horizontally in a crawl space on a pad or other noncombustible material which will raise the unit for sufficient protection from moisture The Furnace must be supported at both ends when installed horizontally The Furnace must also be elevated approximately 6 inches to allow clearance for the condensate drain to exit the cabinet in the h ho or ri iz ...

Страница 20: ...Gas Line Grommet 1 8 NPT Test Fitting Upflow furnace with gas piping on right side Automatic Gas Valve with Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg Gas Line Grommet 1 8 NPT Test Fitting Downflow furnace with gas piping on left side Automatic Gas Valve with Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg Gas Line Grommet 1 8 NPT Test Fitting Dow...

Страница 21: ...t 1 8 NPT Test Fitting Horizontal left furnace with gas piping out right side Automatic Gas Valve with Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg Gas Line Grommet 1 8 NPT Test Fitting Horizontal right furnace with gas piping out left side Automatic Gas Valve with Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg Gas Line Grommet 1 8 NPT Test Fitting...

Страница 22: ...osing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa Note Maximum pressure to the gas valve for natural gas is 13 8 W C Minimum pressure is 5 0 W C Maximum pressure to the gas valve for propane is 13 8 W C Minimum pressure is 11 0 W C NATURAL GAS ONLY TABLE OF CUBIC FEET PER HOUR OF GAS FOR V...

Страница 23: ...e utility company and compare to the nameplate rating This must not exceed the nameplate rating Gas Flow in Cubic Feet Per Hour 2 Cubic Foot Dial Sec Flow Sec Flow Sec Flow Sec Flow 10 732 31 236 52 141 86 85 11 666 32 229 53 138 88 83 12 610 33 222 54 136 90 81 13 563 34 215 55 133 94 78 14 523 35 209 56 131 98 75 15 488 36 203 57 128 100 73 16 458 37 198 58 126 104 70 17 431 38 193 59 124 108 68...

Страница 24: ...rating and no less than 93 of the nameplate rating unless the unit is derated for high altitude d Replace and tighten the regulator cover screw securely e Remove call for second stage heat first stage heat is now running 7 Adjust 1st stage gas heat by removing the low LO adjustment regulator cover screw a To increase outlet pressure turn the regulator adjust screw clockwise b To decrease outlet pr...

Страница 25: ...NUMBER 44 ORF00501 54 ORF00555 45 ORF00644 55 ORF00693 46 ORF00909 56 ORF00907 47 ORF00910 57 ORF00908 48 ORF01099 58 ORF01338 49 ORF00503 59 ORF01339 50 ORF00493 Turn the main Gas Valve toggle switch within the unit to the OFF position Turn the external gas valve to ON Purge the air from the gas lines After purging check all gas connections for leaks with a soapy solution DO NOT CHECK WITH AN OPE...

Страница 26: ...stem must not be interchanged with other vent systems or unlisted pipe or fittings Plastic components specified primers and glues must be from a single system manufacturer and not intermixed with other system manufacturer s vent system parts In addition the first three feet of the vent pipe must be visible for inspection When the vent pipe is exposed to temperatures below freezing e g when it pass...

Страница 27: ...at may occur will now drain outside of the home The combustion air outlet piping must remain sloped back to the furnace Option 1 Slope equals 1 4 per foot To an approved vented drain Combustion air intake Combustion air exhaust Primary drain vent stack must terminate below the bottom of the condensate trap Optional In line Condenser Trap Kit The BAYCNDTRAP2 and BAYCNDTRAP3 may be used for Option 1...

Страница 28: ...V Tee Combustion air intake Combustion air exhaust Primary drain vent stack must terminate below the bottom of the condensate trap Option 3 Side combustion air intake If sloping the combustion air intake pipe is not possible install an approved DWV Tee as close to the furnace as possible with drain and trap Combustion air intake Combustion air exhaust Option 3 To an approved vented drain Field fab...

Страница 29: ...ote If only the flue gas pipe is to the outside of the structure a straight section of pipe long enough to exit the Furnace cabinet must be attached to the inlet air side with an elbow which is 5 to 10 equiv ft installed on the end to prevent dust and debris from falling directly into the Furnace Furnace Vent Air Inlet EX 2 The inlet air does not have to come from outside the structure Example 2 s...

Страница 30: ...l le en ne e v ve en nt ti in ng g s sy ys st te em ms s F Fo ol ll lo ow w t th he e m ma an nu uf fa ac ct tu ur re er r s s i in ns st ta al ll la at ti io on n i in ns st tr ru uc ct ti io on ns s w wh he en n i in ns st ta al ll li in ng g t th he e v ve en nt ti in ng g s sy ys st te em m For manufactured modular venting systems that are approved with this product see PVC vent fitting materi...

Страница 31: ...TM D2241 CPVC ASTM STANDARD PIPE TYPE ALLOWABLE TEMPERATURE F MARKING D2846 CPVC 41 212 ASTM D2846 F441 SCH 40 80 212 ASTM F441 F442 SDR SERIES 212 ASTM F442 ABS ASTM STANDARD PIPE TYPE ALLOWABLE TEMPERATURE F MARKING D2661 SCH 40 DWV 180 ASTM D2661 F628 SCH 40 DWV CELLULAR CORE 180 ASTM F628 PolyPro by DuraVent Z Dens by Novaflex Group Innoflue by Centrotherm and PolyFlue polypropylene venting sy...

Страница 32: ...ferent from what is shown in Note 6 Refer to the venting system manufacturer s installation instruction for appropriate venting diameters and equivalent lengths 3 Minimum vent length for all models 15 equivalent 4 DO NOT MIX PIPE DIAMETERS IN THE SAME LENGTH OF PIPE OUTSIDE THE FURNACE CABINET Except adapters at the top of the furnace If different inlet and vent pipe sizes are used the vent pipe m...

Страница 33: ...ucing coupling it is used for 3 vent pipe installation Make sure the marking TOP is located on the top side of the pipe in horizontal venting applications The straight side of the coupling must be on bottom for proper drainage of condensate Note For Canadian applications BAYREDUCE 2 x 3 offset reducing coupling meets ULC S636 requirements Make sure the marking TOP is located on the top side of the...

Страница 34: ... THROUGH COMBUSTIBLE WALLS Pitch 1 4 Inch Per Foot CLEARANCE 0 ACCEPTABLE FOR PVC VENT PIPE 1 ACCEPTABLE FOR TYPE 29 4C STAINLESS STEEL VENT PIPE 12 MINIMUM ABOVE NORMALLY EXPECTED SNOW ACCUMULATION LEVEL 6 IN MIN TO JOINT NONCOMBUSTIBLE MATERIAL WALL The hole through the wall must be large enough to maintain pitch of vent and properly seal Use cement mortar seal on inside and outside of wall COUP...

Страница 35: ...ed in the same pressure zone Important Maintain 12 minimum clearance above highest anticipated snow level or grade whichever is greater Note All distances are centerline to centerline 6 Min 24 Max 12 Min 15 Max 9 Minimum minimum from end of exhaust pipe to end of inlet pipe 6 Min 24 Max 12 Min 15 Max 9 Minimum minimum from end of exhaust pipe to end of inlet pipe 6 Min 24 Max 12 Min 15 Max 9 Minim...

Страница 36: ...thin 3 feet of the vent terminal The vent for this appliance shall not terminate 1 Over public walkways or 2 Near soffit vents or crawl space vents or other areas where condensate or vapor could create a nuisance or hazard or cause property damage or 3 Where condensate vapor could cause damage or could be detrimental to the operation of regulators relief valves or other equipment For Canadian inst...

Страница 37: ... at the time of completion of installation the owner shall have a period of thirty 30 days to comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed 2 APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector as required in accordance with the above provisions shall comply with NF...

Страница 38: ...uilding or the combustion air inlet to any other appliance 6 inches 15 cm for appliances 10 000 BTUH 3 kw 12 inches 30 cm for appliances 10 000 BTUH 3 kw and 100 000 BTUH 30 kw 36 inches 91 cm for appliances 100 000 BTUH 30 kw 4 feet 1 2 m below or to side of opening 1 foot 300 m above opening K Clearance to a mechanical air supply inlet 6 feet 1 83m 3 feet 91 cm above if within 10 feet 3m horizon...

Страница 39: ...o building or the combustion air inlet to any other appliance 6 inches 15 cm for appliances 10 000 Btuh 3 kw 12 inches 30 cm for appliances 10 000 Btuh 3 kw and 100 000 Btuh 30 kw 36 inches 91 cm for appliances 100 000 Btuh 30 kw 6 inches 15 cm for appliances 10 000 Btuh 3 kw 12 inches 30 cm for appliances 10 000 Btuh 3 kw and 100 000 Btuh 30 kw 36 inches 91 cm for appliances 100 000 Btuh 30 kw K ...

Страница 40: ...N ABOVE ROOF VENT COMBUSTION AIR BAYAIR30AVENTA BAYAIR30CNVENT REMOVE RIBS FROM CAP COMBUSTION AIR ROOF FLASHING BOOT FIELD SUPPLIED COMBUSTION AIR VENT ELBOW FIELD SUPPLIED MAINTAIN 12 IN 18 IN FOR CANADA MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL MAXIMUM OF 24 IN ABOVE ROOF SUPPORT FIELD SUPPLIED VENT GALVANIZED FIRESTOP SHOULD BE FABRICATED WITH 3 7 8 DIA HOLE FOR SUPPORT FLANGE 12 ...

Страница 41: ...UITABLE SUPPORT METHOD Venting Through an UNUSED Chimney Important Refer to Section 12 6 8 of NFPA 54 ANSI 223 1 2012 when routing vent piping through a chimney Important The single wall flue pipe joints must be sealed The 90 elbow connection to vertical pipe must be sealed to prevent condensate leakage to base of masonry chimney VENT FITTING MATERIAL STAINLESS STEEL Gas and liquid tight single wa...

Страница 42: ...u choose to remodel or change the area which contains your Furnace Furnaces must have a free flow of air for proper performance Provisions for combustion and ventilation air shall be made in accordance with latest edition of Section 9 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 NFPA 54 or Sections 8 2 8 3 or 8 4 of CSA B149 1 Installation Codes and applicable pro...

Страница 43: ...warranties are not available in some instances Extended warranty does not cover repairs to equipment installed in establishments with corrosive atmospheres including but not limited to dry cleaners beauty shops and printing facilities Minimum Free Area in Square Inches Each Opening Furnace Only in a Confined Space Furnace Max BTUH Input Rtg Air From Inside Air From Outside Vertical Duct a Horizont...

Страница 44: ...ate with the outdoors Refer to the Minimum Free Area in square inches for confined spaces table for minimum open areas required CONFINED SPACE AIR FROM OUTDOORS CONFINED SPACE OUTLET OUTDOOR AIR DUCTS INLET CONFINED SPACE AIR FROM VENTILATED ATTIC CRAWL SPACE CONFINED SPACE ALTERNATE INLET AIR INLET AIR DUCT OUTLET AIR ATTIC LOUVERS TO OUTDOORS CONFINED SPACE AIR FROM VENTILATED ATTIC CONFINED SPA...

Страница 45: ...a i e central hall When the furnace is installed so that the supply ducts carry air circulated by the furnace to areas outside the space containing the furnace the return air shall also be handled by a duct s sealed to the furnace and terminating outside the space containing the furnace For furnaces not equipped with a cooling coil it is recommended that the outlet duct be provided with a removabl...

Страница 46: ... na ac ce es s m mu us st t h ha av ve e d dr ra ai in n p pa an ns s t th ha at t a ar re e s su ui it ta ab bl le e f fo or r 4 40 00 0 F F 2 20 05 5 C C o or r h ha av ve e a a m me et ta al l d dr ra ai in n p pa an n s sh hi ie el ld d D Do ow wn nf fl lo ow w f fu ur rn na ac ce es s d do o n no ot t r re eq qu ui ir re e a a m me et ta al l d dr ra ai in n p pa an n s sh hi ie el ld d o or ...

Страница 47: ...OL LK KI IT TA AA A k ki it t C Co oi il ls s i in ns st ta al ll le ed d o on n u up pf fl lo ow w f fu ur rn na ac ce es s m mu us st t h ha av ve e d dr ra ai in n p pa an ns s t th ha at t a ar re e s su ui it ta ab bl le e f fo or r 4 40 00 0 F F 2 20 05 5 C C o or r h ha av ve e a a m me et ta al l d dr ra ai in n p pa an n s sh hi ie el ld d D Do ow wn nf fl lo ow w f fu ur rn na ac ce es s...

Страница 48: ...up pf fl lo ow w f fu ur rn na ac ce es s m mu us st t h ha av ve e d dr ra ai in n p pa an ns s t th ha at t a ar re e s su ui it ta ab bl le e f fo or r 4 40 00 0 F F 2 20 05 5 C C o or r h ha av ve e a a m me et ta al l d dr ra ai in n p pa an n s sh hi ie el ld d D Do ow wn nf fl lo ow w f fu ur rn na ac ce es s d do o n no ot t r re eq qu ui ir re e a a m me et ta al l d dr ra ai in n p pa an...

Страница 49: ...erforation 2 Starting at the back of the furnace cut the side flanges along perforations until past the end of the heat shield to avoid interference when bending 3 Bend furnace side flanges down 4 Support the furnace and coil independently 1 Set the furnace on top of the coil so that it is flush with the back of the furnace 2 Seal per local codes and requirements D Du uc ct t C Co on nn ne ec ct t...

Страница 50: ...nd Downflow Furnace no Coil Important A BAYBASE is required when installing the furnace on a combustible floor 1 Bend furnace flanges up 2 Attach ducting 3 Seal per local codes and requirements D Du uc ct t C Co on nn ne ec ct ti io on ns s ...

Страница 51: ...supported separately An external overflow drain pan must be installed in all applications over a finished ceiling to prevent property damage Upflow Furnace with Bottom Return in Closet with Remote Filter 1 Remove the bottom plate 2 Set the furnace on the base inside closet 3 Install remote filter 4 Seal per local codes and requirements Upflow Furnace with Bottom Return in Closet with Filter Box 1 ...

Страница 52: ...l will use ducted air from a remote location 3 Install filter at a remote location 4 Seal per local codes and requirements Upflow Furnace with Bottom Return Mounted on a Ducted Pedestal with Filter Box 1 Remove the bottom plate 2 Set the furnace on the filter box The ducted pedestal will use ducted air from a remote location 3 Seal per local codes and requirements D Du uc ct t C Co on nn ne ec ct ...

Страница 53: ...BAYLIFT kit to lift furnace Follow kit instructions Note The furnace bottom pedestal must be a minimum of 6 in height 3 Match the filter cabinet flush to the back and bottom sides of the furnace cabinet and secure in place with screws 4 Mark the two areas to be cut out for the return air 5 Cut out the two sections of the cabinet and BAYLIFT kit to be removed 6 Attach ducting to the filter box 7 Th...

Страница 54: ...out No Cut Area Upflow Furnace with Two Side Returns Important One of the sides must have a transition to allow the condensate and thermostat wiring to exit the cabinet Important If a transition is not a viable option a hole may be drilled in the bottom of the cabinet to allow the condensate to exit Also a hole will need to be drilled in the side of the cabinet for the thermostat wiring to exit Im...

Страница 55: ...e ducting to the top of the furnace 3 Install remote filter 4 Seal per local codes and requirements Downflow Furnace with Top Return and Plenum 1 Remove the top plate 2 Attach the plenum ducting to the top of the furnace 3 Install remote filter 4 Seal per local codes and requirements D Du uc ct t C Co on nn ne ec ct ti io on ns s ...

Страница 56: ...ons continued Downflow Furnace with Top Return and Plenum with Filter Box 1 Remove the top plate 2 Attach the filter box to the top of the furnace 3 Attach ducting 4 Seal per local codes and requirements D Du uc ct t C Co on nn ne ec ct ti io on ns s ...

Страница 57: ...n for Upflow Bottom and Side Return Air Filter Installations All return air duct systems should provide for installation of return air filters 1 Determine the appropriate position to set the furnace in order to connect to existing supply and return ductwork 2 For upflow side return installations remove the insulation around the opening in the blower compartment 3 The side panels of the upflow furn...

Страница 58: ...hould be cleaned out Thin cloths should be placed over the registers and the furnace fan should be run for 10 minutes Don t forget to remove the cloths before you start the furnace 4 The horizontal installation of the upflow furnace requires an external filter section Filter kits are available for horizontal applications Figure 1 Horizontal upflow furnace with side return FILTER CLOSE COUPLED LESS...

Страница 59: ...A 70 if an external electrical source is utilized The integrated furnace control is polarity sensitive The hot leg of the 120V power supply must be connected to the black power lead as indicated on the wiring diagram Refer to the SERVICE FACTS literature and unit wiring diagram attached to furnace Field Wiring Table 5 A951X O Y1 Y1 B B W1 W1 G G R R Y1 Single Stage Thermostat Furnace Outdoor Unit ...

Страница 60: ...FOR BOTH FURNACES TWINNING CONNECTION DIAGRAM 1 STAGE HEAT 1 STAGE COOLING WITH TRANSFORMER THERMOSTAT 1 STAGE HEATING 1 STAGE COOLING THERMOSTAT FURNACE NO 1 FURNACE NO 2 ISOLATION RELAY FIELD SUPPLIED ISOLATION RELAY R1 R1 Y1 B Y1 Y1 Y1 W1 W1 W1 R R R G G G B B B NOTES 1 BOTH FURNACES MUST BE POWERED FROM THE SAME 115 VAC PHASE LEG AT THE CIRCUIT BREAKER 2 TRANSFORMERS MUST BE IN PHASE MEASURE T...

Страница 61: ...on resistant condensate pump must be used if a pump is required for a specific drain system C CA AU UT TI IO ON N W Wa at te er r D Da am ma ag ge e P Pr ro op pe er rt ty y D Da am ma ag ge e I It t i is s r re ec co om mm me en nd de ed d t th ha at t a a d dr ra ai in n p pa an n b be e i in ns st ta al ll le ed d u un nd de er r t th he e f fu ur rn na ac ce e t to o p pr re ev ve en nt t p pr...

Страница 62: ...N PRIMARY DRAIN VENT STACK MUST TERMINATE BELOW THE BOTTOM OF THE CONDENSATE TRAP IF THE FURNACE IS INSTALLED OVER A FINISHED CEILING OVERFLOW FROM THE PRIMARY DRAIN VENT STACK MUST FLOW INTO AN AUXILIARY DRAIN PAN TO PREVENT DAMAGE TO THE FINISHED CEILING BELOW CONDENSATE PUMP CONDENSATE PIPED TO OPEN VENTED DRAIN CONDENSATE PIPES MUST NOT BE BELOW WATER SURFACE CONDENSATE GROMMET RIGHT SIDE DRAI...

Страница 63: ... condensate tubing off and connect the tubing to the condensate trap Install the condensate grommet into the bottom panel Cut to length as needed DOWNFLOW FURNACES WITH BOTTOM DRAIN CONDENSATE PIPED TO OPEN VENTED DRAIN PRIMARY DRAIN VENT STACK MUST TERMINATE BELOW THE BOTTOM OF THE CONDENSATE TRAP IF THE FURNACE IS INSTALLED OVER A FINISHED CEILING OVERFLOW FROM THE PRIMARY DRAIN VENT STACK MUST ...

Страница 64: ...f the excess tube and reinstall the end fitting to the drain hose 1 5 8 DIAMETER HOLE MUST BE CUT IN LEFT SIDE OF CASE BOTTOM HOLE MUST BE PLUGGED DOWNFLOW FURNACES LEFT SIDE DRAIN IF THE FURNACE IS INSTALLED OVER A FINISHED CEILING OVERFLOW FROM THE PRIMARY DRAIN VENT STACK MUST FLOW INTO AN AUXILIARY DRAIN PAN TO PREVENT DAMAGE TO THE FINISHED CEILING BELOW CONDENSATE GROMMET Downflow furnace wi...

Страница 65: ... 11 16 hole drilled through the cabinet and insert into drain line hose Secure with the spring clip Note Seal around the condensate drain tubing where it exits the cabinet Cut hose Approx 4 11 16 DIAMETER HOLE MUST BE CUT IN RIGHT SIDE OF CASE BOTTOM HOLE MUST BE PLUGGED CUT FACTORY SUPPLIED CONDENSATE ASSEMBLY HOSE AND ATTACH TO FIELD SUPPLIED CPVC TUBE SECURE WITH SPRING CLIP AND FIELD SUPPLIED ...

Страница 66: ...densate will block drains resulting in furnace shutdown If the drain line cannot be installed in a conditioned space then UL listed heat tape should be applied as required to prevent freezing per manufacturer s instructions The heat tape should be rated at 5 or 6 watts per foot at 120 volts Self regulating preferred or thermostatically controlled heat tape is required TO APPROVED OPEN VENTED DRAIN...

Страница 67: ... he e f fu ur rn na ac ce e To shut off For complete shutdown Turn the toggle or control switch located on the main gas valve inside the unit to the OFF position and the external main gas shutoff valve to the OFF position Disconnect the electrical supply to the unit Whenever your house is to be vacant arrange to have someone inspect your house for proper temperature This is very important during f...

Страница 68: ...ons and the options for venting the inlet and exhaust combustion air I Im mp po or rt ta an nt t When looking at the different orientations the direction of the combustion air exhaust in the illustration s description is after the furnace has been rotated if needed Table 6 Combustion Air Venting Options Refer to the illustrations below to find the approved venting options for upflow and horizontal...

Страница 69: ...stion air exhaust vented through left side Note Requires a hole to be drilled in the case Refer to the illustrations below to find the approved venting options for downflow furnace models Important The combustion air exhaust must be vented to the outdoors Note The combustion air inlet does not have to be on the same side as the combustion air exhaust Note Right side combustion air entry is allowed...

Страница 70: ... vent outlet adaptor and insert into inducer outlet 2 Twist to insure PVC is fully inserted 3 Tighten the clamp on the end of the 45 degree elbow 4 Tighten the clamp on the outlet vent adapter Note The vent outlet adapter is used for strain relief against the weight of the venting The clamp should be tightened after the internal connection is made 5 Install the combustion air inlet PVC pipe Note I...

Страница 71: ...e conversion easier 1 Disconnect all drain tubes from condensate trap Note When removing condensate hoses from the condensate trap hold the trap with your hand to prevent the trap from breaking Removing the trap before the hoses is also an option 2 Remove drain tubing from bottom of inducer housing 3 Remove rain gutter tubing from inducer outlet 4 Remove tubing from condensate pressure switch 5 Lo...

Страница 72: ... default openings on the top of the cabinet 1 Remove the three inducer mounting screws 2 Rotate inducer counter clockwise so that the inducer outlet aligns with the exhaust vent outlet 3 Insert and re tighten screws to 30 in lbs Do not overtighten F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 73: ...e in a horizontal plane Use coupling CPL00938 Canadian applications may use BAYREDUCE to meet ULC S636 requirements See Horizontal Venting section for proper orientation of 2 x 3 offset coupling 1 Remove port cap at bottom of inducer and connect inducer condensate tubing Connect other end of inducer condensate tubing to top port on the condensate trap Cut tubing to length if necessary 2 Install pr...

Страница 74: ...rap from breaking Removing the trap before the hoses is also an option 2 Remove drain tubing from bottom of inducer housing 3 Remove rain gutter tubing from inducer outlet 4 Remove tubing from condensate pressure switch 5 Remove the screws that hold the condensate trap bracket The condensate trap should not be removed from the condensate trap bracket Remove assembly and retain for later installati...

Страница 75: ...rommet 3 Remove two 3 plugs on right side of cabinet To be used for combustion air exhaust and inlet 4 Reuse the two 3 plugs to seal the two 3 default openings on the top of the furnace 1 Attach the vent outlet gasket to the vent outlet 2 Install vent outlet to top of cabinet using 2 screws supplied in the dock pack 3 Install vent inlet gasket and vent inlet using 4 screws supplied in the dock pac...

Страница 76: ...tallation 1 Reinstall the condensate adapter if it was earlier removed or ensure adapter is still in place Important The condensate adapter must be present for proper condensate drain operation 2 Install condensate trap into new location by fitting into grommet and aligning the hole on the condensate trap with the hole labeled HL Important When installing a 21 0 wide S Series furnace the condenser...

Страница 77: ...ght shows the furnace as it is sent from the factory Use the following steps to modify the furnace for horizontal left with top venting of combustion air Before proceeding lay unit on its back to make the conversion easier 1 Remove all drain hoses from condensate trap Note When removing condensate hoses from the condensate trap hold the trap with your hand to prevent the trap from breaking Removin...

Страница 78: ...utlet gasket to the vent outlet 2 Install vent outlet to top of cabinet using 2 screws supplied in the doc pack 3 Install vent inlet gasket and vent inlet using 4 screws supplied in the doc pack F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 79: ...entation of 2 x 3 offset coupling Condensate Trap Installation 1 Reinstall the condensate adapter if it was earlier removed or ensure adapter is still in place Important The condensate adapter must be present for proper condensate drain operation 2 Install condensate trap into new location by fitting into grommet and aligning the hole on the condensate trap with the hole labeled HL When installing...

Страница 80: ...e condensate plug The figure to the right shows the furnace as it is sent from the factory Use the following steps to modify the furnace for horizontal right with left side venting of combustion air Before proceeding lay unit on its back to make the conversion easier 1 Remove all drain hoses from condensate trap Note When removing condensate hoses from the condensate trap hold the trap with your h...

Страница 81: ... plugs to seal the two 3 default openings on the top of the cabinet 1 Attach the vent outlet gasket to the vent outlet 2 Install vent outlet to top of cabinet using 2 screws supplied in the doc pack 3 Install vent inlet gasket and vent inlet using 4 screws supplied in the doc pack F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 82: ...at the outlet is pointing vertically 4 Use the three inducer screws to reattach the inducer to the cold header Torque to 30 in lbs Do not overtighten 1 Remove condensate drain plug from top right location on cold header 2 Place condensate drain plug onto the cold header outlet located on the bottom left of the cold header 1 2 F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh h...

Страница 83: ...tallation 1 Reinstall the condensate adapter if it was earlier removed or ensure adapter is still in place Important The condensate adapter must be present for proper condensate drain operation 2 Install condensate trap into new location by fitting into grommet and aligning the hole on the condensate trap with the hole labeled HR Important When installing a 21 0 wide S Series furnace the condenser...

Страница 84: ...o modify the furnace for horizontal right with bottom venting of combustion air Before proceeding lay unit on its back to make the conversion easier 1 Remove all drain hoses from condensate trap Note When removing condensate hoses from the condensate trap hold the trap with your hand to prevent the trap from breaking Removing the trap before the hoses is also an option 2 Remove drain tubing from b...

Страница 85: ... condensate trap grommet 3 Remove 3 plugs on the left side of the cabinet To be used for combustion air inlet 4 Reuse the two 3 plugs to seal the two 3 default openings on the top of the furnace F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 86: ... onto the cold header outlet located on the bottom left of the cold header 4 Rotate the inducer 180 degrees so that the elbow is pointing towards the left 5 Use the three inducer screws to reattach the inducer to the cold header Torque to 30 in lbs Do not overtighten 2 3 F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 87: ...connection is made Note If required transition to larger venting within 2 of the cabinet An 2 x 3 offset coupling is required if the transition is made in a horizontal plane Use coupling CPL00938 Canadian applications may use BAYREDUCE to meet ULC S636 requirements See Horizontal Venting section for proper orientation of 2 x 3 offset coupling 1 Slide PVC through vent outlet adaptor and insert into...

Страница 88: ...w with a 1 4 nut driver Do not over torque or use a drill gun 1 Remove port cap on the right side of inducer and connect inducer condensate tubing Connect other end of inducer condensate tubing to top port on the condensate trap Cut tubing to length if necessary 2 Install previously removed port cap onto bottom port of the inducer As viewed in upflow 3 Connect condensate pressure switch tubing to ...

Страница 89: ...mbustion air vented through the top 1 Attach the vent outlet gasket to the vent outlet 2 Install vent outlet to top of cabinet using 2 screws supplied in the doc pack 3 Install vent inlet gasket and vent inlet using 4 screws supplied in the doc pack F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 90: ...he clamp should be tightened after the internal connection is made Note If required transition to larger venting within 2 of the cabinet CPL00938 2 x 3 offset coupling may be used and is factory supplied with 120 MBTUH furnaces Canadian applications may use BAYREDUCE to meet ULC S636 requirements Important Trim the pressure switch tubing to length to ensure there is no sag or trap created F Fu ur ...

Страница 91: ...et is not allowed because condensate will not drain Before proceeding lay unit on its back to make conversion easier 1 Disconnect all drain tubes from condensate trap Note When removing condensate hoses from the condensate trap hold the trap with your hand to prevent the trap from breaking Note If preferred the trap may be removed before the hoses 2 Remove drain tubing from bottom of inducer housi...

Страница 92: ...l the two 3 default openings on the top of the cabinet 1 Loosen hose clamp and remove 45 degree adapter If the rubber boot pulls out of the inducer opening remove from the adapter and reinstall onto the inducer Remove the elbow and discard F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t O Op pt ti io on ns s ...

Страница 93: ...n 1 Attach the vent outlet gasket to the vent outlet 2 Install vent outlet to cabinet using 2 screws supplied in the doc pack 3 Install vent inlet gasket and vent inlet using 4 screws supplied in the doc pack 4 Install the grommet for the condensate drain tube The drain may be located on either side of the cabinet F Fu ur rn na ac ce e C Co om mb bu us st ti io on n A Ai ir r E Ex xh ha au us st t...

Страница 94: ...for proper orientation of 2 x 3 offset coupling 1 Remove port cap at bottom of inducer and connect inducer condensate tubing Connect other end of inducer condensate tubing to top port on the condensate trap Cut tubing to length if necessary 2 Install previously removed port cap onto bottom port of the inducer 3 Connect condensate pressure switch tubing to pressure port on the condensate trap Impor...

Страница 95: ...MENU key and then depress the OPTION key to the desired setting Then momentarily depress the MENU key again to save the change 180 C1 7 C1 8 C1 9 C1 1 C1 2 HtP Heating Speed Tap H1 5 H1 6 01 H1 7 H1 8 Example Single Stage SELECTING GAS HEAT FAN SPEEDS Airflow can be adjusted while the unit is running Scroll to the HTP menu and momentarily push the OPTION key Tap 5 is the default setting for all mo...

Страница 96: ...e TP1 9 Tap selected for airflow NOTE 1 The menu status displayed is solely dependent on the input of 24VAC that is applied to the low voltage terminal strip 2 The status will alternate between the system mode and the airflow request every 2 seconds 3 If an error occurs an E will alternately flash with the system mode and airflow request See first example Example Tap 5 e3 1 Example 1st Stage Press...

Страница 97: ...BU4 Furnace Airflow CFM at External Static Pressure in W C versus Tap Static 0 1 0 3 0 5 0 7 0 9 Tap 1 SCFM 911 766 622 477 332 Watts 94 104 115 125 136 2 SCFM 1075 963 851 740 628 Watts 139 153 168 182 197 3 SCFM 1215 1121 1028 934 840 Watts 185 202 219 236 253 4 SCFM 1250 1164 1077 a 990 903 Watts 203 221 239 257 274 5 SCFM 1349 1272 1194 1116 a 1039 Watts 251 271 291 310 330 6 SCFM 1453 1387 13...

Страница 98: ...BU4SAB Default Tap 7 Cooling HP 3 Ton Single Stage Outdoor Total ESP 0 7 W C Required Airflow 1050 cfm 3T x 350 cfm ton New Tap Number Tap 5 Re check static pressure and adjust airflow as necessary S Se et tt ti in ng g A Ai ir rf fl lo ow w ...

Страница 99: ...ver sensed one hour lockout after 6 times e2 2 Recycles Exceeded Flame sensed then lost one hour lockout after 10 times e2 3 Gas Valve Not Energized When It Should Be exceeded after 10 times e3 Shorted Pressure Switch e3 2 Open Pressure Switch e04 Open Limit Main Thermal Rollout Switch or Reverse Airflow Switch e0s Flame detected should not be present e6 Voltage reversed polarity e6 2 Bad groundin...

Страница 100: ...esetting Factory Defaults 1 Display must be in Idle Mode 2 Push the Menu and Option buttons at the same time for 15 seconds then release 3 The 7 segment will flash FD 3 times This confirms the unit has been reset to the factory defaults Low Voltage Terminal Strip 10 Pin Connector LINE Connections Neutral Connections 7 Segment LED MENU and OPTION Select Buttons 5 Amp Fuse Flame Current FP HLI W R G...

Страница 101: ... IFC marked as FP To measure the flame current use a VOM set to DC volts 1VDC 1 micro amp Flame current will vary depending on the type of meter used Typical flame current ranges from 0 75 3 0 micro amps 0 75 3 VDC 8 Once flame sense has been established a timer on the IFC starts and the indoor blower will energize after the blower Heat On Delay has completed The seven segment LED for example will...

Страница 102: ...102 88 A951X001 1D EN N No ot te es s ...

Страница 103: ...88 A951X001 1D EN 103 N No ot te es s ...

Страница 104: ...cations For more information please visit www trane com or www americanstandardair com The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice We are committed to using environmentally conscious print practices 88 A951X001 1D EN 08 May 2020 Supersedes 88 A951X001 1C EN October 2019 2020 ...

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