Trane S8B1A026M2PSC Manual Download | Manualshive

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Summary of Contents for S8B1A026M2PSC

Page 1: ...aces with High Efficiency Motor U Up pf fl lo ow w D Do ow wn nf fl lo ow w H Ho or ri iz zo on nt ta al l R Ri ig gh ht t L Le ef ft t Single Stage Two Stage S8B1 S8X1 S8X2 S8B1A026M2PSC S8B1A040M3PS...

Page 2: ...E EC CT TR RI IC CA AL L S SH HO OC CK K F FI IR RE E O 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 u...

Page 3: ...pe er rs so on na al l i in nj ju ur ry y o 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 I...

Page 4: ...f f b 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 B...

Page 5: ...de ed d t th ha at t a an n e ex xt te er rn na al l o ov ve er rf fl lo ow w d dr ra ai in n p pa an n b be e i in ns st ta al ll le ed d i in n a al ll l a ap pp pl li ic ca at ti io on ns s o ov v...

Page 6: ...o ow ws s b be et tw we ee en n t th he e s sp pa ac ce e i in n w wh hi ic ch h t th he e a ap pp pl li ia an nc ce e s s c co on nn ne ec ct te ed d t to o t th he e v ve en nt ti in ng g s sy ys st...

Page 7: ...6 Gas Valve Adjustment 27 High Altitude Derate 28 General Venting 29 Air for Combustion and Ventilation 31 Duct Connections 33 Return Air Filters 39 Electrical Connections 41 Field Wiring 41 Twinning...

Page 8: ...e Pressure Switch Kit S8X2A040M3P BAYSWT14AHALTAB High Altitude Pressure Switch Kit S8 1C080M5P S8 1C100M5P S8 1D120M5P BAYSWT15AHALTAA High Altitude Pressure Switch Kit S8 1B060M4P S8 1B080M4P BAYSWT...

Page 9: ...NT PIPE DIAMETER Min in 4 Round 4 Round 4 Round 4 Round HEAT EXCHANGER Type Aluminized Steel Aluminized Steel Aluminized Steel Aluminized Steel Gauge Fired 20 19 20 19 20 19 20 19 ORIFICES Main Nat Ga...

Page 10: ...Horizontal Downflow RATINGS b 1st Stage Input BTUH 26 000 39 000 52 000 1st Stage Capacity BTUH ICS 20 900 31 500 42 500 2nd Stage Input BTUH 40 000 60 000 80 000 2nd Stage Capacity BTUH ICS c 32 200...

Page 11: ...0 2600 3300 2600 3300 2600 Volts Ph Hz 120 1 60 120 1 60 120 1 60 FLA 0 30 0 33 0 33 Inducer Orifice 1 80 2 50 2 15 FILTER Furnished No No No Type Recommended High Velocity High Velocity High Velocity...

Page 12: ...nt must come from outside the structure g The Furnace return air temperature range is between 55 and 80 Fahrenheit 80 models 55 F 90 models 45 F h Clean the Furnace duct work and components upon subst...

Page 13: ...ums stated in Clearance Table below Minimum clearance to combustible materials 3 Is there sufficient space for servicing the Furnace and other equipment A minimum of 24 inches front accessibility to t...

Page 14: ...anent wave solutions b Chlorinated waxes and cleaners c Chlorine based swimming pool chemicals d Water softening chemicals e De icing salts or chemicals f Carbon tetrachloride g Halogen type refrigera...

Page 15: ...S8XB SVX001 1A EN 15 Outline Drawing...

Page 16: ...1 Blower Tap for Heating Mode rUn Orn Orientation Err Active Alarm Menu E01 L6F Last 6 Faults To Clear Hold Option Button 5 sec E08 Flame current is low but still strong enough to allow operation Cr C...

Page 17: ...Continuous Fan Ht Heating COP Blower Tap for 1st tP Blower Tap Number Stage Compressor Mode COF Continuous Fan Blower Tap for 2nd E05 CP1 Cooling Heat Pump Mode Stage Compressor Mode dft Defrost Mode...

Page 18: ...Stage Heating P O C Ht2 2nd Stage Heating tP Blower Tap Number COF Continuous Fan CL1 1st Stage Cooling HtP Blower Tap for 1st Stage Heating CL2 2nd Stage Cooling Blower Tap for 2nd dtage Heating HP1...

Page 19: ...9 1029 244 960 269 891 294 9 SCFM Watts 1556 398 1474 416 1392 435 1310 453 1228 471 Furnace Airflow CFM Vs External Static Pressure in W C Model Tap Static 0 1 0 3 0 5 0 7 0 9 S8 1B040M2PSC 1 SCFM Wa...

Page 20: ...2 1656 609 9 SCFM Watts 2533 931 2414 932 2295 933 2176 933 2058 934 Furnace Airflow CFM Vs External Static Pressure in W C Model Tap Static 0 1 0 3 0 5 0 7 0 9 S8 1C100M5PSC S8X2C100M5PSC 1 SCFM Watt...

Page 21: ...47 44 42 40 39 37 Table 3 S8X2 Low Heat Model CFM Versus Temperature Rise First Stage Low Heating 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 S8X2A040M3PSC 48 39 32...

Page 22: ...sition by placing the furnace on its left or right side as viewed from the front in the vertical position The horizontal furnace installation in an attic should be on a service platform large enough t...

Page 23: ...ht side of the furnace in the upflow orientation Automatic Gas Valve with Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg 1 8 NPT Test Fitting Furnace in downflow orientation wi...

Page 24: ...ping out bottom Automatic Gas Valve with Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg 1 8 NPT Test Fitting Furnace in horizontal right orientation with gas piping out top Aut...

Page 25: ...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 M...

Page 26: ...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 14...

Page 27: ...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 r...

Page 28: ...ithin 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 OPEN...

Page 29: ...sonry or concrete chimney lined with a lining material acceptable to the authority having jurisdiction VENTING INTO A MASONRY CHIMNEY If the chimney is oversized the liner is inadequate or flue gas co...

Page 30: ...l vent when vent pipe is routed through cool spaces below 60 F 8 Where long periods of airflow are desired for comfort use long fan cycles instead of continuous airflow 9 Apply other good venting prac...

Page 31: ...ORS FURNACE WATER HEATER CLOTHES DRYER UNCONFINED 50 CU FT OR MORE PER 1000 BTU HR INPUT ALL EQUIP INSTALLED C Co on nf fi in ne ed d spaces are installations with less than 50 cu ft of space per 1000...

Page 32: ...ENINGS All air from outdoors The confined space shall be provided with two permanent openings one commencing within 12 inches of the top and one commencing within 12 inches of the bottom of the enclos...

Page 33: ...naces not equipped with a cooling coil it is recommended that the outlet duct be provided with a removable access panel The opening shall be accessible when the furnace is installed and shall be of su...

Page 34: ...zontal Left with Coil Note There are no longer guide holes located on the furnace flange Refer to Step 1 Step 4 Step 5 Step 7 Furnace in Horizontal Right with A Coil Note Flat or dedicated horizontal...

Page 35: ...n n I In ns st tr ru uc ct ti io on ns s 1 Bend furnace flanges up 2 Bend furnace side flanges down 3 Set the coil on top of the furnace 4 Support the furnace and coil independently 5 Screw through th...

Page 36: ...with Bottom Return in Closet with Filter Box FILTER Refer to Step 1 Step 4 Step 5 and Step 8 Upflow Furnace with Bottom Return Mounted on a Ducted Pedestal Refer to Step 1 Step 6 Step 3 and Step 8 Upf...

Page 37: ...nt Make sure not to cut the cabinet in the No Cut area Note If using a filter box use a transition if possible to attach the filter box to the furnace cabinet Use four corner guides to create cutout N...

Page 38: ...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 The ducted pedestal will use ducted air from a remote location 8...

Page 39: ...r 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 ret...

Page 40: ...the front of the furnace is accessible it is recommended that both supply and return air plenums are removable 3 When replacing a furnace old duct work should be cleaned out Thin cloths should be pla...

Page 41: ...e Thermostat Furnace Outdoor Unit No Transformer O R X2 Y2 NOTES 1 HP Wiring used for Heat Pump systems 2 Y1 and or Y2 must connect from the thermostat to the IFC for proper airflow 3 A TCONT824 therm...

Page 42: ...FOR BOTH FURNACES 5 WHEN TWINNING THE S8B1 S8X1 FURNACES DISREGARD THE W2 AND R2 WIRING TWINNING CONNECTION DIAGRAM FOR TWINNING S SERIES FURNACES 2 STAGE HEAT 2 STAGE COOLING THERMOSTAT 2 STAGE HEATI...

Page 43: ...TRANSFORMER RC ISOLATION RELAY FIELD SUPPLIED ALTERNATE CONNECTION R Y TWINNING CONNECTION DIAGRAM FOR TWINNING S SERIES FURNACES 2 STAGE HEAT 1 STAGE COOLING THERMOSTAT WITH SINGLE STAGE THERMOSTAT...

Page 44: ...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...

Page 45: ...7 Venting Options for Upflow Applications Refer to the illustrations below to find the approved venting options for upflow furnace Important The exhaust must be vented to the outdoors Upflow Orientat...

Page 46: ...Downflow Applications 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 4 Type...

Page 47: ...tapping screws are recommended for attaching the vent pipe to the inducer outlet Upflow orientation with top venting Refer to Step 1 Upflow orientation with left side venting Note When rotating the in...

Page 48: ...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 1 No changes need to be made to the inducer when installing the furnace in upflow position when vented through the top 2 Befo...

Page 49: ...by momentarily depressing the MENU key and then depress the OPTION key to the desired se ng Then momentarily depress the MENU key again to save the change 180 C1 7 C1 1 C1 2 C1 3 C1 4 HtP Hea ng Spee...

Page 50: ...Mode C2 5 C2 6 C2 8 C2 9 H1_7 H1 8 H1 4 Default Airflow Taps Gas Heat Tap 5 ODU Menu 2 1 1 st Stage Cooling HP Tap 3 2 nd Stage Cooling HP Tap 7 ORN LED Orienta on UP dn SELECTING COOLING HP FAN SPEED...

Page 51: ...ngle Stage Example 2 stage 1 compressor run Run Test Mode C1 5 C1 6 C1 8 C1 9 H2_7 H2 8 H2 5 Default Airflow Taps 1 st Stage Gas Heat Tap 2 2 nd Stage Gas Heat Tap 5 ODU Menu 1 1 Cooling HP Tap 7 ORN...

Page 52: ...Tap 7 ORN LED Orienta on UP dn SELECTING COOLING HP FAN SPEEDS for 2 1 ODU Airflow can be adjusted while the unit is running 1st Stage Airflow Scroll to the COP menu and momentarily push the OPTION k...

Page 53: ...r unit on It is designed to allow the technician to observe each mode to ensure the IFC inducer and circula ng blower are performing as intended nd st Ht1 TP2 Ht2 Tp4 CL1 TP3 CL2 TP7 HP1 TP3 HP2 Tp7 C...

Page 54: ...A Blower housing and wheel removed from view for clarity Furnace Model Dimension A inches A026 3 5 3 1 2 A040 3 75 3 3 4 B040 3 5 3 1 2 B060 4 ton 4 25 4 1 4 B080 4 25 4 1 4 2 375 A Blower housing and...

Page 55: ...957 800 719 428 213 3 1220 1080 940 800 660 4 1403 1298 1192 1087 a 981 5 1524 1428 1336 1248 1164 6 1684 1574 1544 1401 1337 7 1700 1625 1551 1476 b 1401 c 8 1858 1790 1723 1656 1589 9 1967 1898 182...

Page 56: ...t Energized When It Should Be exceeded after 10 times e3 Shorted Pressure Switch 1st Stage e3 2 Open Pressure Switch 1st Stage e3 3 Shorted Pressure Switch 2nd Stage Not Applicable for S8B1 S8X1 e3 4...

Page 57: ...IND N IND H IGN H MV GND TH MVC HLO PS1 TR ILI 6 Pin CTM Motor Connector Tap 1 Low Speed Tap 2 Tap 3 Tap 4 Tap 5 High Speed Common 6 Pin CTM Connector S8B1 IFC Component Layout IFC Low Voltage Termin...

Page 58: ...ng Flowchart Index IFC Component Layout Error Codes E01 Internal failure E2 1 Retries Exceeded flame never sensed E2 2 Recycles Exceeded loss of flame a er being sensed E2 3 1st Stage Gas Valve energ...

Page 59: ...0 VAC measured at transformer NO Is 120 VAC measured between Line and Neutral at the IFC NO Is 120 VAC measured between Line and Neutral at J box NO Verify Panel Loop is connected YES Repair high volt...

Page 60: ...for heat Lockout period is for one hour Flame has never been sensed Disconnect electrical power to furnace Connect manometer to inlet gas pressure connector Is inlet gas pressure above 13 8 WC or les...

Page 61: ...et gas pressure connector Cycle power to furnace and call for 1st stage heat Is minimum inlet gas manifold pressure maintained Correct incoming gas supply pressure NO YES Turn all gas appliances on Po...

Page 62: ...the PS1 indica ng that the pressure switch is closed when it should be open In most cases the pressure switch is not the problem NOTE Verify pressure switch wiring and tube rou ng are correct 3 1 Faul...

Page 63: ...n when wind gusts occur S8X2 Only The IFC will a empt to close both PS1 and PS2 and operate on 2nd stage during such an event Note 2 Measured pressure is nega ve greater than refers to magnitude only...

Page 64: ...r has occurred with the PS2 indica ng that the pressure switch is closed when it should be open In most cases the pressure switch is not the problem NOTE Verify pressure switch wiring and tube rou ng...

Page 65: ...Verify pressure switch wiring and tube rou ng are correct Note 2 Measured pressure is nega ve greater than refers to magnitude only 3 4 Fault Code NO Check PS hose rou ng and verify flue piping has n...

Page 66: ...DEFINITION Limit switches are safety devices that will open when an abnormal high temperature has been sensed REMOVE ALL JUMPER WIRING TO SWITCHES Under no circumstances shall these switches be le jum...

Page 67: ...an comes on do flames stay consistent Replace heat exchanger Check opera on NO Replace Roll out switch Check opera on YES DEFINITION Limit switches are safety devices that will open when an abnormal h...

Page 68: ...l new gas valve Check opera on Inspect gas supply for leaks and have gas supplier check gas quality Are there signs of moisture or debris in the inlet gas screen YES Install drip leg per Na onal Fuel...

Page 69: ...l and ground problem Furnace must be on a dedicated circuit YES 6 1 Fault Code DEFINITION Ground Fault Incoming or chassis ground connec on is not sensed Connect volt meter to black incoming and chass...

Page 70: ...ors are ght Disconnect igniter and check resistance Is resistance reading between 37 70 ohms at 75F NO Replace igniter Check opera on YES 6 3 Fault Code Igniter is good Does igniter glow Make a call f...

Page 71: ...present when it should not be present Is 24 VAC nominal voltage present between Red lead at gas valve connec on to chassis ground Turn Comfort Control to OFF posi on Correct wiring Check opera on YES...

Page 72: ...orrectly See figure YES YES Correct flame sensor loca on NO Flame sensor is good Check wiring and or connec ons NO 08 Fault Code Make a call for hea ng 442 REF 1 470 REF Flame Sensor 385 REF 585 REF 1...

Page 73: ...AC measured across the fuse terminals Replace fuse Is fuse fully seated into connector NO Properly seat the fuse NO Replace IFC YES Start unit and measure amp draw on transformer 24VAC red wire Is amp...

Page 74: ...this unit is limited to TAP 1 only No field adjustment can be made If troubleshoo ng other speed taps use the method as outlined below using the voltages listed for the tap number being used BK W2 W1...

Page 75: ...N No ot te e There are two flame sense pads located on the 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 me...

Page 76: ...tage airflow The seven segment LED for example will read CL2 Cooling Stage 2 S8X2 CP2 Cooling Stage 2 S8X1 tP7 Tap 7 5 When the temperature is lowered enough to satisfy the thermostat setting contacts...

Page 77: ...r Turn off gas and electric power supply To clean burners remove burner bottom plate 2 screws and bottom burner bracket 2 screws Twist burner towards slot lift and push forward away from orifice Remov...

Page 78: ...78 S8XB SVX001 1A EN N No ot te es s...

Page 79: ...S8XB SVX001 1A EN 79 N No ot te es s...

Page 80: ...dential applications 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 des...

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