Table of Contents
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Installer's Guide
Upflow/Downflow/Horizontal
Gas-Fired, 1–Stage and 2–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
S8B1B080M4PSBA
S8X1B080M4PSBA
S8B1D120M5PSBA
S8X1D120M5PSBA
N N o o t t e e : : This installer's Guide is used for multiple furnace families. 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.
November 2020
Two Stage
S8X2B080M4PSBA
S8X2D120M5PSBA
18-CE16D1-1B-EN
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 1 1 6 6 D D 1 1 - - 1 1 B B - - E E N N
S8X1
S8B1
N N o o t t e e : : Graphics in this document are for
representation only. Actual model may
differ in appearance.
S8X2
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Table of Contents
Related Manuals for Trane S8B1D120M5PSBA
Summary of Contents for Trane S8B1D120M5PSBA
- 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 Two Stage S8B1B080M4PSBA S8X1B080M4PSBA S8X2B080M4PSBA S8B1D120M5PSBA S8X1D120M5PSBA S8X2D120M5PSBA S8X2 S8X1 S8B1 N N o o t t e e : : This installer’s Guide is used for multiple furnace families.
- 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 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 C C A A U U T T I I O O N N C C A A U U T T I I O O N N S S H H A A R R P P E E D D G G E E H H A A Z Z A A R R D D ! !
- Page 6 . . The following steps shall be followed for each appliance connected to the venting For more information, visit www.trane.com and www. system being placed into operation, while americanstandardair.com or contact your installing dealer.
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Page 7: Table Of Contents
Table of Contents Accessories....... . . 8 Field Wiring ......39 Twinning . -
Page 8: Accessories
Accessories Table 1. Accessories Model Number Description Use with BAYHANG Horizontal Hanging Kit All Furnaces BAYLIFTB Dual Return Kit (B size extension) B Cabinet Furnaces BAYLIFTD Dual Return Kit (D size extension) D Cabinet Furnaces BAYBASE205 Downflow Subbase All Furnaces in Downflow orientation BAYSF1165AA 1”... -
Page 9: Furnace Installation Guidelines
Furnace Installation Guidelines The following sections give general guidelines for the e. A minimum 4” MERV 11 air filter must be in installation of the gas furnaces. place. 100% of the Furnace combustion air Safety Practices and Precautions requirement must come from outside the structure. -
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 require any special provisions for venting other than the Furnace is moved into place, be sure to consider what is indicated in these instructions. - 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 6.
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Page 12: Outline Drawings
Outline Drawings Table 2. 17.5” Width Cabinet 18-CE16D1-1B-EN... - Page 13 O O u u t t l l i i n n e e D D r r a a w w i i n n g g s s Table 3. 24.5” Width Cabinet 18-CE16D1-1B-EN...
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Page 14: Furnace General Installation
Furnace General Installation The following sections give general instructions for the installation of the gas furnaces. S-Series Furnace Panel Removal Note: For the S8X2 furnace, a 5/16” Allen wrench is required to Note: For the S8B1/S8X1 furnace, a 1/4" nut driver is required to remove the four latches on the front panel. -
Page 15: 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 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 Note: For ease of installation, optional accessory part PIP02095 is recommended for gas piping entering the right side of the furnace.
- Page 17 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.
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Page 18: 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 19: 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 Changes can be made by adjusting the manifold pressure, or changing White-Rodgers 36J... -
Page 20: 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 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 Table 4.
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Page 22: 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 with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, local codes, and this installation manual. - 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 EXTERNAL MASONRY CHIMNEY Venting of fan assisted appliances into external chimneys (one or more walls Gas Vent Termination...
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Page 24: 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 25 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 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 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...
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Page 27: 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 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 5.
- 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 Furnace in Horizontal Right with “A”...
- 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 Horizontal Right and Downflow Furnace —...
- 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 6.
- Page 32 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 6.
- 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 Table 6.
- Page 34 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 6.
- Page 35 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 6.
- Page 36 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 6.
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Page 37: 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 38 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 Figure 1.
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Page 39: 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 40: Twinning
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 Twinning NOTES: TWINNING CONNECTION DIAGRAM... - Page 41 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 NOTES: 1.
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Page 42: 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 43: 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 44 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 8.
- Page 45 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 10.
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Page 46: 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 Combustion Air Conversions Pressure Switch locations Important: After deciding the orientation of the flue outlet, cut the... - Page 47 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 Horizontal left orientation with left side venting No changes need to be made to the inducer when installing the furnace in upflow position with the combustion air vented through the...
- Page 48 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 Horizontal right orientation with top venting Before proceeding, lay unit on its back to make the conversion easier.
- Page 49 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 Downflow orientation with right side venting Before proceeding, lay unit on its back to make the conversion easier.
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Page 50: Integrated Furnace Control Menu
Integrated Furnace Control Menu 18-CE16D1-1B-EN... - Page 51 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 18-CE16D1-1B-EN...
- Page 52 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 18-CE16D1-1B-EN...
- Page 53 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 18-CE16D1-1B-EN...
- Page 54 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 S8B1 - S8X1 - S8X2 Run Test Mode Run Test Mode:...
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Page 55: 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. Note: Airflow tables are located in the Service Facts literature. Evaporator Coil Measurements must be made prior to the evaporator coil, if equipped,... -
Page 56: Codes
Integrated Furnace Control Display Codes Menu Options Idle Active Alarm Menu Last 6 Faults (To clear — Hold Option button down for 5 seconds after entering the L6F menu) Code Release Number Cooling Off Delay (Seconds) Outdoor Unit Type (Single / Two Stage) Blower Constant Fan Airflow Heat Off Delay (Seconds) Inter-Stage Delay (Seconds) -
Page 57: Fault Code Recovery
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 D D i i s s p p l l a a y y C C o o d d e e s s Fault Code Recovery Fault Code Recovery S8X1 IFC Component Layout... - Page 58 Sequence of Operation S8B1/S8X1/S8X2 N N o o t t e e : : The seven-segment LED readout is based on 7. The first burner will ignite, and flame will crossover thermostat input. For the S8X2, during to the remaining burners establishing current to the simultaneous call for W1 and W2, the seven- flame sensor.
- Page 59 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 S S 8 8 B B 1 1 / / S S 8 8 X X 1 1 / / S S 8 8 X X 2 2 N N o o t t e e : : If PS2 does not close within the 45 seconds, the •...
- Page 60 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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