American Standard L8V1A040U3VSAA Page 48 Installer'S Manual Download | Manualshive

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About Trane and American Standard Heating and Air Conditioning

Trane and American Standard create comfortable, energy efficient indoor environments for residential 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 design and specifications without notice. We are committed to
using environmentally conscious print practices.

18-CE15D1-1C-EN

25 Mar 2022

Supersedes 18-CE15D1-1B-EN

(August 2021)

©2022

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Summary of Contents for L8V1A040U3VSAA

Page 1: ...e and on the tags stickers and labels that are attached to the equipment March 2022 1 18 8 C CE E1 15 5D D1 1 1 1C C E EN N Upflow Horizontal Left Right Gas Fired Single Stage Induced Draft Furnace wi...

Page 2: ...ct ti io on ns s A A f fi ir re e o or r e ex xp pl lo os si io on n m ma ay y r re es su ul lt t c ca au us si in ng g p pr ro op pe er rt ty y d da am ma ag ge e p pe er rs so on na al l i in nj ju...

Page 3: ...C CT TR RI IC CA AL L S SH HO OC CK K 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 r...

Page 4: ...y y i in ns sp pe ec ct te ed d t to o i in ns su ur re e n no o c cr ra ac ck ks s o or r o ot th he er r p po ot te en nt ti ia al l a ar re ea as s f fo or r f fl lu ue e g ga as s l le ea ak ks s...

Page 5: ...c co ou ul ld d r re es su ul lt t i in n p pe er rs so on na al l i in nj ju ur ry y D Do o N NO OT T t to ou uc ch h i ig gn ni it te er r I It t i is s e ex xt tr re em me el ly y h ho ot t C CA AU...

Page 6: ...te ed d t to o t th he e v ve en nt ti in ng g s sy ys st te em m T Tu ur rn n o on n a an ny y e ex xh ha au us st t f fa an ns s s su uc ch h a as s r ra an ng ge e h ho oo od ds s s so o t th he e...

Page 7: ...e Adjustment 16 High Altitude Derate 17 General Venting 18 Air for Combustion and Ventilation 20 Duct Connections 23 Return Air Filters 30 Electrical Connections 32 Field Wiring 32 General Start up an...

Page 8: ...ng and air conditioning equipment can be hazardous and requires specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or ser...

Page 9: ...inal air conditioning CFM delivered when pressurized to 5 water column with all inlets outlets and drains sealed General Guidelines The manufacturer assumes no responsibility for equipment installed i...

Page 10: ...SIDE SIDE FRONT FURNACE 3 Is there sufficient space for servicing the Furnace and other equipment A minimum of 24 inches front accessibility to the Furnace must be provided Any access door or panel m...

Page 11: ...18 CE15D1 1C EN 11 Outline Drawing Table 2 14 5 17 5 21 and 24 5 Width Cabinets...

Page 12: ...des and service access to the front of the furnace See the Locations and Clearances p 10 Minimum 1 5 air clearance is required under the furnace when in horizontal Support material if underneath the f...

Page 13: ...Manual Shut off Main Manual Shut off Valve Ground Union Joint Drip Leg 1 8 NPT Test Fitting Note For ease of installation optional accessory part PIP02095 is recommended for gas piping entering the ri...

Page 14: ...s supply to the unit using a ground joint union and a manual shut off valve National codes require a condensation drip leg to be installed ahead of the gas valve The furnace and its individual shut of...

Page 15: ...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 16: ...the light off manifold pressure remove the low LO adjustment regulator cover screw a To increase outlet pressure turn the regulator adjust screw clockwise b To decrease outlet pressure turn the regula...

Page 17: ...PLACEMENT ORIFICES DRILL SIZE J TUBE PART NUMBER A040 3 2 mm TUB15871 A060 23 TUB15353 B080 15 TUB15443 C100 11 TUB15780 Turn the main Gas Valve toggle switch within the unit to the OFF position Turn...

Page 18: ...SONRY 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 lined with...

Page 19: ...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 20: ...eplaces must 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 100...

Page 21: ...l Note Extended 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...

Page 22: ...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 23: ...outlet duct be provided with a removable access panel The opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible open...

Page 24: ...uide holes are located on the coil 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 25: ...port the furnace and coil independently 3 Match the coil up flush to the back of the furnace 4 Seal per local codes and requirements Note Flat or dedicated horizontal coils may require flanges to be b...

Page 26: ...rain pan must be installed in all applications over a finished ceiling to prevent property damage Minimum return air is 55oF and maximum is 80oF Upflow Furnace with Bottom Return in Closet with Remote...

Page 27: ...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 28: ...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 29: ...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 30: ...allations 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 du...

Page 31: ...ts to the furnace If only 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...

Page 32: ...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 O Y2...

Page 33: ...oor Unit NOTES 1 Cut the BK jumper at the indoor unit After cutting the jumper power must be off or cycled on off on for the IFC to work properly 2 Requires an 850 control with software version 3 0 or...

Page 34: ...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 th...

Page 35: ...rnace has been rotated if needed Table 5 Venting Options for Upflow Applications Refer to the illustrations below to find the approved venting options for upflow furnace Important The exhaust must be...

Page 36: ...ipe to the inducer outlet Pressure Switch locations L8V1 Pressure Transducer and Pressure Switch are connected to the hot header Upflow orientation with top venting Important The combustion air duct M...

Page 37: ...e installed on C100 upflow applications Failure to install will result in nuisance burner box limit trips Note Future C100 furnaces with the Burner Box limit on the bottom DO NOT require the Combustio...

Page 38: ...ucer when installing the furnace in upflow position with the combustion air vented through the top Note Self tapping screws are recommended for attaching the vent pipe to the inducer outlet Horizontal...

Page 39: ...tem 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 CFM per Ton selec ons range from 290 450...

Page 40: ...M Airflow display is rounded down to the nearest 10 cfm NOTES 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...

Page 41: ...heat speed for 10 seconds The above sequence will repeat two more mes unless the Run Test Mode is exited see above Important The Run Test Mode does not test fire the furnace or bring the outdoor unit...

Page 42: ...3 The last 6 faults can be viewed Clearing the Last 6 Faults 1 To clear the last 6 faults press the Menu key until the Last 6 Faults L6F menu appears 2 Enter the menu by pressing the Option key 3 Hold...

Page 43: ...Airflow Setting CFM Ton EXTERNAL STATIC PRESSURE IN W C 0 1 0 3 0 5 0 7 0 9 L8V1C100U5VSAA 450 CFM 1773 1769 1765 1760 1754 WATTS 364 430 501 576 653 420 CFM 1654 1652 1649 1646 1640 WATTS 301 364 43...

Page 44: ...ur N No ot te e Typical flame current ranges from 0 75 3 0 a 6 Once flame sense has been established the igniter is de energized the blower on timer begins and the inducer ramps to the Pre Run speed D...

Page 45: ...hermostat wiring 3 The indoor blower ramps to the HP heating airflow The seven segment LED for example will alternately read H HP P1 1 Heat Pump Heating Stage 1 A AR RF F Airflow 0 08 80 0 800 calcula...

Page 46: ...46 18 CE15D1 1C EN N No ot te es s...

Page 47: ...18 CE15D1 1C EN 47 N No ot te es s...

Page 48: ...lications 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 spe...

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