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Trane L8X1B060U3XSAA Installer's Manual

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Installer's Guide
Upflow/Horizontal Left/Right
Gas-Fired, Single Stage Induced Draft Furnaces with High
Efficiency Blower Motor
U U p p f f l l o o w w , , H H o o r r i i z z o o n n t t a a l l R R i i g g h h t t / / L L e e f f t t
(For use with Natural Gas only.)
Single Stage
L8X1B060U3XSAA
L8X1B080U4XSAA
N N o o t t e e : : This product complies with SJVAPCD 4905 and SCAQDMD 1111 with
NOx levels below 14 ng/J.
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, 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 serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
May 2020
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
1 1 8 8 - - C C E E 0 0 7 7 D D 1 1 - - 1 1 C C - - E E N N
N N o o t t e e : : Graphics in this document are for
representation only. Actual model may
differ in appearance.

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Summary of Contents for Trane L8X1B060U3XSAA

  • Page 1 U U p p f f l l o o w w , , H H o o r r i i z z o o n n t t a a l l R R i i g g h h t t / / L L e e f f t t (For use with Natural Gas only.) Single Stage L8X1B060U3XSAA L8X1B080U4XSAA N N o o t t e e : : This product complies with SJVAPCD 4905 and SCAQDMD 1111 with NOx levels below 14 ng/J.
  • Page 2 SAFETY SECTION NON-CONDENSING FURNACES I I m m p p o o r r t t a a n n t t : : — This document pack contains a wiring W W A A R R N N I I N N G G diagram and service information.
  • Page 3 S S A A F F E E T T Y Y S S E E C C T T I I O O N N N N O O N N - - C C O O N N D D E E N N S S I I N N G G F F U U R R N N A A C C E E S S W W A A R R N N I I N N G G W W A A R R N N I I N N G G W W A A R R N N I I N N G G ! !
  • Page 4 S S A A F F E E T T Y Y S S E E C C T T I I O O N N N N O O N N - - C C O O N N D D E E N N S S I I N N G G F F U U R R N N A A C C E E S S W W A A R R N N I I N N G G W W A A R R N N I I N N G G I I N N S S T T A A L L L L A A T T I I O O N N W W A A R R N N I I N N G G —...
  • Page 5 . . C C A A U U T T I I O O N N For more information, visit www.trane.com and www. americanstandardair.com or contact your installing dealer. W W A A T T E E R R D D A A M M A A G G E E ! !
  • Page 6 S S A A F F E E T T Y Y S S E E C C T T I I O O N N N N O O N N - - C C O O N N D D E E N N S S I I N N G G F F U U R R N N A A C C E E S S W W A A R R N N I I N N G G C C A A R R B B O O N N M M O O N N O O X X I I D D E E P P O O I I S S O O N N I I N N G G H H A A Z Z A A R R D D ! !

  • Page 7: Table Of Contents

    Table of Contents Accessories....... . . 8 Return Air Filters ......32 Document Pack Contents .

  • Page 8: Accessories

    U U p p f f l l o o w w , , H H o o r r i i z z o o n n t t a a l l R R i i g g h h t t / / L L e e f f t t (For use with Natural Gas only.) Single Stage Limited Warranty L8X1B060U3XSAA L8X1B080U4XSAA N N o o t t e e : : This product complies with SJVAPCD 4905 and SCAQDMD 1111 with NOx levels below 14 ng/J.

  • Page 9: Furnace Installation Guidelines

    Furnace Installation Guidelines The following sections give general guidelines for the 11. I I n n t t h h e e C C o o m m m m o o n n w w e e a a l l t t h h o o f f M M a a s s s s a a c c h h u u s s e e t t t t s s , , t t h h i i s s installation of the gas furnaces.

  • Page 10: Locations And Clearances

    F F u u r r n n a a c c e e I I n n s s t t a a l l l l a a t t i i o o n n G G u u i i d d e e l l i i n n e e s s Locations and Clearances 1.
  • Page 11 F F u u r r n n a a c c e e I I n n s s t t a a l l l l a a t t i i o o n n G G u u i i d d e e l l i i n n e e s s floor and the Furnace must be located or protected Carbon tetrachloride to avoid physical damage from vehicles.

  • Page 12: Outline Drawings

    Outline Drawings Table 2. 17.5” Width Cabinet 18-CE07D1-1C-EN...

  • Page 13: Furnace General Installation

    Furnace General Installation The following sections give general instructions for the installation of the gas furnaces. Furnace Panel Removal Note: For the L8X1 furnace, a 1/4" nut driver is required to remove the two screws at the top of the front panel. The front panel can then be removed by lifting upwards.

  • Page 14: Gas Piping

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Gas Piping Important: The furnace default is left side gas piping.
  • Page 15 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Note: For ease of installation, optional accessory part PIP02095 is recommended for gas piping entering the right side of the furnace.
  • Page 16 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n The furnace is shipped standard for left side installation of gas piping.

  • Page 17: Combustion And Input Check

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Combustion and Input Check Make sure all gas appliances are off except the furnace.

  • Page 18: Gas Valve Adjustment

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Gas Valve Adjustment White-Rodgers 36J Note: The gas valve supplied with this unit has been calibrated...

  • Page 19: High Altitude Derate

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n High Altitude Derate Input ratings (BTUH) of these Furnaces are based on sea level operation and should not be changed at elevations up to 2,000 ft.

  • Page 20: General Venting

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n General Venting Multistory and common venting are permitted for these furnaces.
  • Page 21 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n EXTERNAL MASONRY CHIMNEY Venting of fan assisted appliances into external chimneys (one or more walls Gas Vent Termination...

  • Page 22: Air For Combustion And Ventilation

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Air for Combustion and Ventilation Adequate flow of combustion and ventilating air must not be obstructed from reaching the Furnace.
  • Page 23 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Confined spaces are installations with less than 50 cu.
  • Page 24 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n All air from outdoors The confined space shall be provided with two permanent openings, one commencing within 12 inches of the top and CONFINED SPACE...

  • Page 25: Duct Connections

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Duct Connections Air duct systems should be installed in accordance with standards for When the furnace is located in a utility room adjacent to the living...
  • Page 26 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Table 3.
  • Page 27 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Furnace in Horizontal Right with “A”...
  • Page 28 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Table 4.
  • Page 29 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Table 4.
  • Page 30 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Table 4.
  • Page 31 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Table 4.

  • Page 32: Return Air Filters

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Return Air Filters TYPICAL AIR FILTER INSTALLATIONS Filters are not factory supplied for furnaces.
  • Page 33 F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n When the furnace is installed in the horizontal right or left application and a return duct is attached to the top side, do not install a filter in the return duct directly above the furnace.

  • Page 34: Electrical Connections

    F F u u r r n n a a c c e e G G e e n n e e r r a a l l I I n n s s t t a a l l l l a a t t i i o o n n Electrical Connections Make wiring connections to the unit as indicated on enclosed wiring diagram.

  • Page 35: General Start-Up And Adjustment

    General Start-up and Adjustment Preliminary Inspections The following sections give instructions for the general start-up and adjustment of the gas furnaces. With gas and electrical power "OFF", ensure: Turn knob on main gas valve within the unit to the "OFF" position. Turn the external gas valve to "ON".

  • Page 36: Options

    Furnace Combustion Air Exhaust Options Note: Default is left side for electric and gas connections. The following sections give instructions for the I I m m p p o o r r t t a a n n t t : : When looking at the different orientations, different furnace orientations and the options for the direction of the combustion air exhaust venting the exhaust combustion air.

  • Page 37: Combustion Air Conversions

    F F u u r r n n a a c c e e C C o o m m b b u u s s t t i i o o n n A A i i r r E E x x h h a a u u s s t t O O p p t t i i o o n n s s Table 7.
  • Page 38 F F u u r r n n a a c c e e C C o o m m b b u u s s t t i i o o n n A A i i r r E E x x h h a a u u s s t t O O p p t t i i o o n n s s Upflow orientation with right side venting Before proceeding, lay unit on its back to make the conversion easier.

  • Page 39: Integrated Furnace Control

    Integrated Furnace Control IFC Component Layout Neutral Connections Inducer Control Pin #1 = Inducer control power (20VDC) Pin #2 = Inducer PWM Heat Control Pin #3 = Inducer RPM Cool NEUT NEUT Feedback LINE LINE Common Park Inducer/Ignitor Connector Park Not Used 12 Pin Connector SW1 Button...

  • Page 40: Setting Airflow

    Setting Airflow With all ductwork connected and a clean filter in place, measure the External Static Pressure (ESP) of the unit in locations below. Use the appropriate airflow table for the furnace and outdoor unit installed. Measurements must be made prior to the evaporator coil, if equipped, Evaporator and after the filter.

  • Page 41: Led Status Codes

    LED Status Codes LED Activity Description Lockout Period Color Comments OFF (No LED No 24 VAC Power to Check incoming voltage ~120VAC — Activity) Control Displayed at power up or after any successful control Red, Amber, Power-up verification — reset, a one second display of each color in sequence. Green of LED Control faults include relay failures, memory failures,...

  • Page 42: Fault Code Recovery

    L L E E D D S S t t a a t t u u s s C C o o d d e e s s LED Activity Description Lockout Period Color Comments Short duration (30 Wrong ID Plug values for the specific board. Includes seconds) heating mode damaged ID plug, ID plug missing, etc.

  • Page 43: Sequence Of Operation

    Sequence of Operation E E A A C C a a n n d d H H U U M M T T i i m m i i n n g g 5. After the ignitor warm up, the 1 stage of the gas valve is energized allowing gas flow.
  • Page 44 S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n H H e e a a t t P P u u m m p p N N o o t t e e : : The blower on delay can be field adjusted to 45 seconds if desired but cannot be turned 1.
  • Page 45 N N o o t t e e s s 18-CE07D1-1C-EN...
  • Page 46 N N o o t t e e s s 18-CE07D1-1C-EN...
  • Page 47 N N o o t t e e s s 18-CE07D1-1C-EN...
  • Page 48 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.

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