Trane 8B1A026M2PSAB Installer'S Manual Download | Manualshive

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12

18-CE14D1-1A-EN

Outline Drawings

S8X2 shown

Table 2. 14.5” Width Cabinet

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Summary of Contents for 8B1A026M2PSAB

Page 1: ...h 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 S8B1A026M2PSAB S8B1A040M3PSAB S8B1B040M...

Page 2: ...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 ul...

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 IN...

Page 4: ...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 BO...

Page 5: ...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 ve er r a a f fi in ni i...

Page 6: ...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: ...High Altitude Derate 22 General Venting 24 Air for Combustion and Ventilation 26 Duct Connections 29 Return Air Filters 39 Electrical Connections 41 Field Wiring 41 Twinning 42 General Start up and A...

Page 8: ...sure Switch Kit S8 1A040M3P S8 1B040M2P BAYSWT22AHALTAA High Altitude Pressure Switch Kit S8X2A040M3P BAYSWT14AHALTAB High Altitude Pressure Switch Kit S8 1C080M5P S8 1C100M5P S8 1D120M5P BAYSWT15AHAL...

Page 9: ...nd 55 Fahrenheit 80 models 55 F 90 models 45 F h Clean the Furnace duct work and components upon substantial completion of the construction process and verify Furnace operating conditions including ig...

Page 10: ...he location selected as near the chimney or vent and as centralized for heat distribution as practical 2 Do all clearances between the Furnace and enclosure equal or exceed the minimums stated in Clea...

Page 11: ...om vehicles 9 The gas furnace must not be located where excessive exposure to contaminated combustion air will result in safety and performance related problems Avoid the following known contaminants...

Page 12: ...12 18 CE14D1 1A EN Outline Drawings S8X2 shown Table 2 14 5 Width Cabinet...

Page 13: ...18 CE14D1 1A EN 13 Table 3 17 5 Width Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s...

Page 14: ...14 18 CE14D1 1A EN Table 4 21 0 Width Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s...

Page 15: ...18 CE14D1 1A EN 15 Table 5 24 5 Width Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s...

Page 16: ...front in the vertical position The horizontal furnace installation in an attic should be on a service platform large enough to allow for proper clearances on all sides and service access to the front...

Page 17: ...t 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 wit...

Page 18: ...ing 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 Auto...

Page 19: ...hut 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 Mi...

Page 20: ...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...

Page 21: ...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...

Page 22: ...thin 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 F...

Page 23: ...BAYSWT22AHALTAA 0 25 0 05 WC 0 47 0 05 WC S8X2B060M3PSAAA BAYSWT17AHALTAA 0 30 0 05 WC 0 60 0 05 WC S8X2B060M4PSAAA BAYSWT17AHALTAA 0 30 0 05 WC 0 60 0 05 WC S8X2B060M3PSAAB later BAYSWT23AHALTAA 0 4...

Page 24: ...NTERNAL MASONRY CHIMNEYS Venting of fan assisted appliances into a lined internal masonry chimney is allowed only if it is common vented with at least one natural draft appliance OR if the chimney is...

Page 25: ...on of the National Fuel Gas Code ANSI Z223 1 latest edition 10 Vent connectors serving appliance vented by natural draft or non positive pressure shall not be connected into any portion of a mechanize...

Page 26: ...be considered to avoid unsatisfactory Furnace operation Furnace location may be in an unconfined space or a confined space Unconfined space are installations with 50 cu ft or more per 1000 BTU hr inp...

Page 27: ...arranties 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 bea...

Page 28: ...e 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 I...

Page 29: ...aces 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 suc...

Page 30: ...oles located on the furnace flange 4 Seal per local codes and requirements Furnace in Horizontal Left with Coil 1 Bend furnace flanges up 2 Support the furnace and coil independently 3 Screw through t...

Page 31: ...ce 4 Seal per local codes and requirements Note Flat or dedicated horizontal coils may require flanges to be bent upward Downflow Furnace with Coil 1 Bend furnace flanges down 2 Set the furnace on top...

Page 32: ...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 F Fu ur rn na ac ce e G G...

Page 33: ...y 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 bo...

Page 34: ...rom 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 p...

Page 35: ...ote 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 are...

Page 36: ...turns Important One of the sides must have a transition to allow the thermostat wiring to exit the cabinet Important If a transition is not a viable option a hole will need to be drilled in the side o...

Page 37: ...p 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 furnac...

Page 38: ...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 FILTER F Fu ur rn...

Page 39: ...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 retu...

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 plac...

Page 41: ...B W1 W1 G G R R Y1 Two Stage 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 prope...

Page 42: ...OR 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 HEATIN...

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

Page 44: ...e 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: ...a 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 9 Venting Optio...

Page 46: ...Installation Vented out top Vented through left side Table 11 Venting Options for Horizontal Right Applications Refer to the illustrations below to find the approved venting options for horizontal ri...

Page 47: ...Downflow Orientation or Installation Vented out top Note Requires kit BAYVENT600 Kit used with B C and D cabinets only Note A cabinet furnaces must be vented through the left of right side openings N...

Page 48: ...in upflow position with the combustion air vented out the left side Note When rotating the inducer it may be necessary to cut the wire tie A new wire tie must be installed once the inducer is rotated...

Page 49: ...ented out the left side 1 Remove the four screws holding the inducer in place 2 Rotate the inducer so the inducer outlet is pointing towards the 5 cutout 3 Secure the inducer in place using the screws...

Page 50: ...recommended for attaching the vent pipe to the inducer outlet Downflow orientation with left side venting Before proceeding lay unit on its back to make the conversion easier The following changes ne...

Page 51: ...top venting Before proceeding lay unit on its back to make the conversion easier The following changes need to be made to the inducer when installing the furnace in upflow position with the combustio...

Page 52: ...s the MENU key again to save the change 180 C1 7 C1 1 C1 2 C1 3 C1 4 HtP Hea ng Speed Tap H1 5 H1 1 01 H1 2 H1 6 H1 3 Example Single Stage Example 2 stage 1 compressor SELECTING GAS HEAT FAN SPEEDS Ai...

Page 53: ...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 SPEEDS for 2 1 ODU A...

Page 54: ...xample 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 LED Orienta...

Page 55: ...D 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 key Tap 3 is t...

Page 56: ...gas heat pump CP1 S8B1 S8X1 HP2 Demand for 2nd stage heat pump CP2 S8X1 COf Demand for continuous fan dFt Demand for outdoor unit defrost furnace running in gas heat mode tP1 9 Tap selected for airflo...

Page 57: ...80M4PSAB 1 633 297 2 957 800 719 428 213 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...

Page 58: ...kout after 10 times e2 3 1st Stage Gas Valve Not 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 Swit...

Page 59: ...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 Termina...

Page 60: ...and flame will crossover to the remaining burners establishing current to the flame sensor Flame sensing must be established within 4 seconds N No ot te e There are two flame sense pads located on the...

Page 61: ...l on the IFC Technician should read 24VAC between Y2 and B C 3 24VAC is sent to the OD unit via thermostat wiring 4 The indoor airflow ramps to 2nd stage airflow The seven segment LED for example will...

Page 62: ...62 18 CE14D1 1A EN N No ot te es s...

Page 63: ...18 CE14D1 1A EN 63 N No ot te es s...

Page 64: ...idential 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 de...

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