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Trane A801X026AM2SAC Service Facts
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Trane A801X026AM2SAC Service Facts

Upflow/downflow/horizontal left/right gas-fired, single stage induced draft furnaces with high efficiency motor
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Service Facts
Upflow/Downflow/Horizontal Left/Right
Gas-Fired, Single Stage Induced Draft Furnaces
with High Efficiency Motor
U U p p f f l l o o w w , , D D o o w w n n 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
Single Stage
A801X026AM2SAC
A801X040AM3SAC
A801X040BM2SAC
A801X060BM3SAC
A801X060BM4SAC
A801X080BM4SAC
A801X080CM5SAC
A801X100CM5SAC
A801X120DM5SAC
N N o o t t e e : : Models may have a "T" in the 12th digit designating they meet
California less than 40 ng/J (NOx) emissions requirements.
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.
March 2020
N N o o t t e e : : Graphics in this document are for
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
A A 8 8 0 0 1 1 X X - - S S F F - - 1 1 C C - - E E N N
representation only. Actual model may
differ in appearance.

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Summary of Contents for Trane A801X026AM2SAC

  • Page 1 U U p p f f l l o o w w , , D D o o w w n n 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 Single Stage A801X026AM2SAC A801X040AM3SAC...
  • 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 E E X X P P L L O O S S I I O O N N H H A A Z Z A A R R D D ! !
  • Page 5 For more information, visit www.trane.com and www.
  • 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: Product Specifications

    Product Specifications MODEL A801X026AM2SAC A801X040AM3SAC A801X040BM2SAC Upflow / Horizontal / Upflow / Horizontal / Upflow / Horizontal / TYPE Downflow Downflow Downflow RATINGS Input BTUH 26,000 40,000 40,000 Capacity BTUH (ICS) 20,700 31,800 32,900 (b) (c) Temp. Rise (Min.-Max.) 25 - 55...
  • Page 8 P P r r o o d d u u c c t t S S p p e e c c i i f f i i c c a a t t i i o o n n s s MODEL A801X060BM3SAC A801X060BM4SAC...
  • Page 9 P P r r o o d d u u c c t t S S p p e e c c i i f f i i c c a a t t i i o o n n s s MODEL A801X080CM5SAC A801X100CM5SAC...

  • Page 10: Sequence Of Operation

    Sequence of Operation N N o o t t e e : : The seven-segment LED readout is based on 8. Once the flame sense has been established, a timer thermostat input. on the IFC starts and the indoor blower will energize after the blower “Heat On Delay”...

  • Page 11: Periodic Servicing Requirements

    Periodic Servicing Requirements 1. GENERAL INSPECTION – E E x x a a m m i i n n e e t t h h e e f f u u r r n n a a c c e e N N o o t t e e : : Be careful NOT to break igniter when removing i i n n s s t t a a l l l l a a t t i i o o n n a a n n n n u u a a l l l l y y f f o o r r t t h h e e f f o o l l l l o o w w i i n n g g i i t t e e m m s s : : burners.

  • Page 12: Wiring Diagrams

    Wiring Diagrams 120v 60 Hz. 1 PH POWER SUPPLY PER LOCAL CODE JUNCTION BOX A801X A801X PANEL LOOP LINE-H CIRC-H TNS-H TNS-N CIRC-N LINE-N VENT GR/BK MOTOR IGN-H (INDUCER) IND-H IND-N BLOWER IGN-N MOTOR TAP1 RD/WH RD/WH TAP2 YL/WH YL/WH TAP3 BL/WH BL/WH...

  • Page 13: Airflow Tables

    Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.) Model — — — — — — — — — — A801X026AM2SAC 1024 1057 1139 1275 1152 1028 Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.) Model — — —...
  • Page 14 A A i i r r f f l l o o w w t t a a b b l l e e s s Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.) Model — — — 1184 1042 1244 1109...
  • Page 15 A A i i r r f f l l o o w w t t a a b b l l e e s s Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.) Model — — — — —...
  • Page 16 CFM Versus Temperature Rise Table 1. A801X CFM Versus Temperature Rise Model 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 A801X026AM2SAC 39 32 A801X040AM3SAC 59 49 A801X040BM2SAC...
  • Page 17 Integrated Furnace Control Menu A801X-SF-1C-EN...
  • Page 18 I I n n t t e e g g r r a a t t e e d d F F u u r r n n a a c c e e C C o o n n t t r r o o l l M M e e n n u u A801X Run Test Mode Run Test Mode:...
  • Page 19 Belly Band Location Distance from belly band to the front face of motor for minimum vibration Furnace Model Dimension “A” (inches) A026 3.5 (3–1/2) A040 3.75 (3–3/4) B040 3.5 (3–1/2) B060 3 ton 3.75 (3–3/4) B060 4 ton 4.25 (4–1/4) B080 4.25 (4–1/4) 1.00...

  • Page 20: Troubleshooting

    Troubleshooting The following pages include troubleshoo ng flowcharts in reference for the Single Stage A801X family of furnaces only. The informa on contained is for reference only and does not cover all scenarios or problems that may be encountered. ONLY qualified technicians should a empt to install, troubleshoot, or repair this appliance. Failure to follow all cau ons and /or warnings could result in personal or property damage, including death.
  • Page 21 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g A801X IFC Component Layout Neutral LINE Inducer/Igniter Connections Connections Connector 6 Pin CTM Connector IGN-N...
  • Page 22 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g GETTING STARTED Is 120 VAC Is the IFC Seven Is 120 VAC Is 120 VAC measured measured Segment LED on?
  • Page 23 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION 2.1 Fault Code RECYCLE Lock Out = 10 recycles within a single call for heat.
  • Page 24 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g 2.2 Fault Code DEFINITION RECYCLE Lock Out = 10 recycles within a single call for heat.
  • Page 25 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION An error has occurred with the PS1, indica ng that the pressure Note #1 switch is closed when it should be open.
  • Page 26 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION Note #1 An error has occurred with the PS1 indica ng that the pressure switch is either open when it should be closed.
  • Page 27 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g See next page for DEFINITION 4.0 Fault Code addi onal 4 flash Limit switches are safety devices faults that will open when an abnormal...
  • Page 28 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION 4.0 Fault Code Limit switches are safety devices Flame Rollout that will open when an abnormal high temperature has been sensed.
  • Page 29 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION: 05 Fault Code Flame is sensed when it should not be. Is flame seen with no call for heat?
  • Page 30 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINI Polarity Fault – Incoming high voltage 6.1 Fault Code wiring is reversed Connect volt meter to white incoming...
  • Page 31 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION: Igniter Relay Fault – The control board has sensed 6.3 Fault Code that the igniter relay has stuck closed Ignitor Fault –...
  • Page 32 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION: External Gas Valve 7.1 Fault Code Circuit Error (24 volts is present when it should not be present) Turn Comfort Control to “OFF”...
  • Page 33 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g DEFINITION: 08 Fault Code The flame sense current is less than 0.5 micro-amp DC Make a call for hea ng...
  • Page 34 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g 11 Fault Code Defini on: The IFC has detected that internal gas valve relays have failed.
  • Page 35 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g Con nuous FAN on this unit is limited to TAP 1 only.

  • Page 36: Part List

    Part List • Igniter • Inducer Assembly • Pressure Switch(es) • Flame Sensor • Blower Motor • Main Thermal Limit • In-shot Burner(s) • Blower Wheel • Roll-Out Switch(es) • Gas Valve • IFC (Integrated Furnace Control) • Reverse Air Switch(es) A801X-SF-1C-EN...
  • Page 37 N N o o t t e e s s A801X-SF-1C-EN...
  • Page 38 N N o o t t e e s s A801X-SF-1C-EN...
  • Page 39 N N o o t t e e s s A801X-SF-1C-EN...
  • Page 40 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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