Fujitsu FF***TS92 Series Multi-Position Gas Furnace

This document provides detailed specifications, features, and technical information for the Fujitsu FF***TS92 Series of multi-position gas furnaces. These furnaces are designed for efficient and reliable heating, offering 92% Annual Fuel Utilization Efficiency (AFUE).

Key Features

92% residential gas furnace, CSA certified
4-way multi-poise design for flexible installation
7-Segment LED diagnostic display
Direct Spark Ignition for reliability
Water Management System with patented Blocked Drain Sensor
Removable heat exchanger for improved serviceability
Aluminized steel primary and stainless steel secondary heat exchanger construction
Low profile "34 inch" cabinet ideal for space-constrained installations
Serviceable blower shelf in all furnace orientations
Pre-marked hoses for proper system drainage
Vent compatibility with 2" or 3" PVC
Replaceable collector box
Hemmed edges on cabinet and doors
Quarter-turn fasteners for tool-less access
Integrated control boards with dip switches for easy system setup
Self-priming condensate trap
Solid bottom construction
Cabinet air leakage less than 2% at 1 inch H2O (tested per ASHRAE standard 193)

Standard Equipment

Completely assembled and wired units include: blocked drain sensor, 7-segment LED, marked hoses, heat exchanger (primary: aluminized steel, secondary: 29-4C stainless steel), solid bottom, induced draft, pressure switches, redundant main gas control, blower compartment door safety switch, solid-state time-on/off blower control, limit controls, manual shut-off valve, 100% safety lockout, cool fan off delay, field-selectable heat fan off delay, one-hour automatic retry, power and self-test diagnostics, flame sense current diagnostics, electronic air cleaner connections, twinning features, humidifier connections, humidifier on/off delay, low-speed continuous fan option, single-speed option for heating and cooling, transformer, and a direct-drive, multi-speed Constant Torque electrically commutated motor. A thermostat is not included as standard equipment.

Optional Equipment

Optional accessories include side and bottom filter racks, and return air cabinets for all sizes. Note: This furnace is not listed for use with fuels other than natural or L.P. (propane) gas. All models can be converted to L.P. (propane) gas by a qualified distributor or local service dealer without changing burners. Factory-approved kits are required for conversion and can be ordered as optional accessories. Refer to the Conversion Kit Index Form for L.P. (propane) operation details.

WARNING: THIS FURNACE IS NOT APPROVED OR RECOMMENDED FOR USE IN MOBILE HOMES.

Component Overview

The diagram illustrates the internal layout of the Fujitsu gas furnace, highlighting key components such as the Primary and Secondary Heat Exchanger, In-Shot Burners, Pressure Switches, Control Board, Constant Torque Electrically Commutated Motor, Blocked Drain Sensor, Remote Sensor, Direct Spark Ignition, Gas Valve and Manifold, and Draft Inducer.

Physical Data and Specifications (Upflow Models)

The following table details the specifications for U.S. and Canadian models:

MODEL NUMBERS	FF40173TS92M	FF60173TS92M	FF70173TS92M	FF85215TS92M	FF100215TS92M	FF115245TS92M
HIGH FIRE INPUT BTU/HR [kW]	42,000 [12.31]	56,000 [16.41]	70,000 [20.50]	84,000 [24.61]	98,000 [38.71]	112,000 [32.82]
HEATING CAPACITY BTU/HR [kW]	40,320 [11.82]	53,760 [15.75]	67,200 [19.68]	80,640 [23.63]	94,080 [37.16]	107,520 [31.51]
HIGH ALTITUDE OUTPUT 10% DERATE [kW]	36,288 [10.64]	48,384 [14.18]	60,480 [17.72]	72,576 [21.28]	84,672 [24.81]	96,768 [28.36]
BLOWER (D x W) [mm]	11 x 7 [279 x 178]	11 x 8 [279 x 203]	11 x 8 [279 x 203]	11 x 10 [279 x 254]	11 x 10 [279 x 254]	11 x 11 [279 x 279]
MOTOR H.P. [W] TYPE	1/2 [373]-5-Constant Torque ECM	1/2 [373]-5-Constant Torque ECM	1/2 [373]-5-Constant Torque ECM	1 [746]-5-Constant Torque ECM	1 [746]-5-Constant Torque ECM	1 [746]-5-Constant Torque ECM
MIN. CIRCUIT AMPACITY	8.00	10.00	10.00	13.00	15.00	14.00
MIN. OVERLOAD PROTECTION DEVICE	15.00	15.00	15.00	20.00	20.00	20.00
MAX. OVERLOAD PROTECTION DEVICE	15.00	15.00	15.00	20.00	20.00	20.00
MOTOR FULL LOAD AMPS	4.0	6.8	6.8	8.3	8.3	8.3
HEATING SPEED	MED-HIGH	MED-HIGH	MED-HIGH	MED-HIGH	MED-HIGH	MED-HIGH
COOLING SPEED	HIGH	HIGH	HIGH	HIGH	HIGH	HIGH
MINIMUM EXT. STATIC PRESSURE (IN. W.C.) [kPa]	.18 [.045]	.20 [.050]	.23 [.057]	.28 [.070]	.28 [.070]	.28 [.070]
MAXIMUM EXT. STATIC PRESSURE (IN. W.C.) [kPa]	.9 [0.224]	.9 [0.224]	.9 [0.224]	.9 [0.224]	.9 [0.224]	.9 [0.224]
HEATING CFM @ .2" [.049 kPa] W.C. E.S.P. [L/s]	982 [463]	913 [431]	1113 [525]	1574 [743]	1651 [779]	1524 [719]
COOLING CFM @ .5" [.124 kPa] W.C. E.S.P. [L/s]	1239 [585]	1227 [579]	1198 [565]	1833 [865]	1975 [932]	1748 [825]
TEMPERATURE RISE-HIGH FIRE RANGE IN DEGREES °F [°C]	25 - 55 [14 -31]	35 - 65 [19 - 36]	40 - 70 [22 - 39]	35 - 65 [19 - 36]	35 - 65 [19 - 36]	45 - 75 [25 - 42]
APPROX. SHIPPING WEIGHT (LBS.) [kg]	123.5 [56]	128 [58]	132 [60]	147.5 [67]	152 [69]	165 [75]
AFUE ^†	92.00%	92.00%	92.00%	92.00%	92.00%	92.00%

^† AFUE (Annual Fuel Utilization Efficiency) calculated in accordance with Department of Energy test procedures.

Notes: All models are 115V, 60HZ, 1 phase. Gas connection size for all models is 1/2" [13 mm] N.P.T. Installation instructions for high altitude derate. Canadian installations only. In accordance with D.O.E. test procedures. *S=Standard Models.

Note: Standard models comply with California low NOx requirements. This furnace does not meet air district requirements of 14 ng/J NOx emissions limit, and thus is subject to a mitigation fee of up to $450. This furnace is not eligible for the Clean Air Furnace Rebate Program (www.CleanAirFurnaceRebate.com). This furnace is to be installed for propane firing only in air districts requiring 14 ng/J NOx emission limits. Operating in natural gas mode is in violation of these Rules.

Model Number Identification

The model number indicates specific product characteristics:

Component	Meaning
FF	Product (Furnace)
40, 60, 70, 85, 100, 115	Capacity (e.g., 40 = 42,000 BTU/HR [12.31 kW])
17, 21, 24	Width (e.g., 17" = 17 inches)
3, 5	Airflow (3 = 3 Ton, 5 = 5 Ton)
T	Motor Type (T = Constant Torque)
S	Speed (S = Single Stage)
92	Efficiency (92 = 92% AFUE)
M	Orientation (M = Multipoise)

Dimensional Data

Dimensional drawings provide front, bottom, top, left, and right views of the furnace, detailing measurements and required clearances to combustibles. The tables below list minimum clearances and flange dimensions for various models.

Minimum Clearances to Combustibles (Inches [mm])

MODEL	TOP	FRONT	SHIP WGTS. [kg]
FF4017	1 [25]	2 [51]	123.5 [56]
FF6017	1 [25]	2 [51]	128 [58]
FF7017	1 [25]	2 [51]	132 [60]
FF8521	1 [25]	2 [51]	147.5 [67]
FF10021	1 [25]	2 [51]	152 [69]
FF11524	1 [25]	2 [51]	165 [75]

*A service clearance of at least 24" is recommended in front of all furnaces. Supply and return depicted as upflow configuration. Flange configuration will vary depending on installation orientation.

Flange Dimensions

MODEL	A	B	C
FF4017	17 1/2 [445]	16 17/64 [413]	16 13/64 [412]
FF6017	17 1/2 [445]	16 17/64 [413]	16 13/64 [412]
FF7017	17 1/2 [445]	16 17/64 [413]	16 13/64 [412]
FF8521	21 [533]	19 49/64 [502]	19 45/64 [500]
FF10021	21 [533]	19 49/64 [502]	19 45/64 [500]
FF11524	24 1/2 [662]	23 17/64 [591]	23 13/64 [589]

Blower Performance Data

The following table provides blower performance data, including CFM [L/s] air delivery at various external static pressures for different motor speeds and taps. Shaded cells indicate acceptable static pressures for heating speed. Installer must verify static pressure and furnace operation within the published rise range.

FURNACE MODEL	BLOWER SIZE [mm]	MOTOR H.P. [W]	MOTOR TAP	MOTOR LEAD WIRE COLOR	SPEED	0.1 [.02]	0.2 [.05]	0.3 [.07]	0.4 [.10]	0.5 [.12]	0.6 [.15]	0.7 [.17]	0.8 [.19]	0.9 [.22]
FF40173 TS92M	11 x 7 [279 x 178]	1/2 [373]	1	Red	Low	874 [413]	820 [387]	765 [361]	710 [335]	658 [311]	575 [271]	523 [247]	482 [228]	448 [211]
			2	Yellow	Medium Low*	1029 [486]	982 [463]	930 [439]	881 [416]	833 [393]	780 [368]	716 [338]	665 [314]	621 [293]
			3	Purple	Medium	1098 [518]	1055 [498]	1008 [476]	962 [454]	920 [434]	870 [411]	822 [388]	755 [356]	705 [332]
			4	Blue	Medium High**	1253.6 [592]	1209.1 [571]	1164.4 [550]	1128.1 [532]	1082.2 [511]	1043.7 [493]	1000 [472]	960 [453]	907.2 [428]
			5	Black	High	1380.6 [652]	1345.5 [635]	1313.1 [620]	1276 [602]	1239.2 [585]	1202.3 [567]	1166 [550]	1132.7 [535]	1098.9 [519]
FF60173 TS92M	11 x 8 [279 x 203]	1/2 [373]	1	Red	Low	818 [386]	766 [362]	720 [340]	668 [315]	594 [280]	548 [259]	494 [233]	444 [210]	416 [196]
			2	Yellow	Medium Low*	968 [457]	913 [431]	885 [418]	841 [397]	796 [376]	739 [349]	685 [323]	641 [303]	596 [281]
			3	Purple	Medium	1018 [480]	981 [463]	931 [439]	903 [426]	860 [406]	815 [385]	756 [357]	703 [332]	656 [310]
			4	Blue	Medium High**	1173 [554]	1142 [539]	1108 [523]	1059 [500]	1025 [484]	989 [467]	951 [449]	912 [430]	855 [404]
			5	Black	High	1338 [631]	1327 [626]	1288 [608]	1245 [588]	1227 [579]	1193 [563]	1165 [550]	1134 [535]	1099 [519]
FF70173 TS92M	11 x 8 [279 x 203]	1/2 [373]	1	Red	Low	947 [447]	908 [429]	871 [411]	834 [394]	796 [376]	755 [356]	716 [338]	681 [321]	656 [310]
			2	Yellow	Medium Low	1044 [493]	997 [471]	968 [457]	934 [441]	902 [426]	862 [407]	828 [391]	795 [375]	765 [361]
			3	Purple	Medium**	1148 [542]	1113 [525]	1092 [515]	1056 [498]	1029 [486]	995 [470]	962 [454]	928 [438]	895 [422]
			4	Blue	Medium High**	1213 [572]	1180 [557]	1155 [545]	1126 [531]	1096 [517]	1062 [501]	1032 [487]	993 [469]	969 [457]
			5	Black	High	1324 [625]	1283 [606]	1254 [592]	1221 [576]	1198 [565]	1169 [552]	1141 [538]	1107 [522]	1080 [510]
FF85215 TS92M	11 x 10 [279 x 254]	1 [746]	1	Red	Low	1459 [689]	1407 [664]	1359 [642]	1297 [612]	1248 [589]	1200 [567]	1152 [544]	1102 [520]	1066 [503]
			2	Yellow	Medium Low*	1656 [782]	1621 [765]	1574 [743]	1533 [723]	1485 [701]	1434 [677]	1375 [649]	1328 [627]	1281 [605]
			3	Purple	Medium	1692 [799]	1653 [780]	1606 [758]	1557 [735]	1508 [712]	1459 [689]	1409 [665]	1363 [643]	1312 [619]
			4	Blue	Medium High**	1881 [888]	1831 [864]	1804 [851]	1757 [829]	1713 [808]	1668 [787]	1628 [768]	1568 [740]	1528 [721]
			5	Black	High	1978 [934]	1942 [917]	1906 [900]	1862 [879]	1833 [865]	1793 [846]	1751 [826]	1702 [803]	1652 [780]
FF100215 TS92M	11 x 10 [279 x 254]	1 [746]	1	Red	Low	1637 [773]	1593 [752]	1545 [729]	1494 [705]	1441 [680]	1382 [652]	1329 [627]	1274 [601]	1236 [583]
			2	Yellow	Medium Low*	1745 [824]	1697 [801]	1651 [779]	1600 [755]	1560 [736]	1500 [708]	1443 [681]	1394 [658]	1342 [633]
			3	Purple	Medium	1766 [833]	1723 [813]	1686 [796]	1633 [771]	1585 [748]	1537 [725]	1482 [699]	1428 [674]	1380 [651]
			4	Blue	Medium High**	1967 [928]	1929 [910]	1895 [894]	1852 [874]	1805 [852]	1754 [828]	1708 [806]	1668 [787]	1612 [761]
			5	Black	High	2137 [1009]	2102 [992]	2062 [973]	2020 [953]	1975 [932]	1946 [918]	1908 [900]	1817 [858]	1685 [795]
FF115245 TS92M	11 x 11 [279 x 279]	1 [746]	1	Red	Low	1476 [697]	1432 [676]	1406 [664]	1332 [629]	1291 [609]	1247 [589]	1207 [570]	1163 [549]	1117 [527]
			2	Yellow	Medium Low*	1615 [762]	1568 [740]	1524 [719]	1487 [702]	1452 [685]	1401 [661]	1356 [640]	1325 [625]	1278 [603]
			3	Purple	Medium**	1709 [807]	1674 [790]	1633 [771]	1591 [751]	1551 [732]	1519 [717]	1477 [697]	1436 [678]	1397 [659]
			4	Blue	Medium High	1772 [836]	1746 [824]	1706 [805]	1667 [787]	1627 [768]	1593 [752]	1553 [733]	1521 [718]	1482 [699]
			5	Black	High	1887 [891]	1852 [874]	1828 [863]	1784 [842]	1748 [825]	1713 [808]	1678 [792]	1648 [778]	1619 [764]

*Low Static Heating Speed
**High Static Heating Speed

Accessories

Various accessories are available for the FF***TS92 Series furnaces:

Vent Termination Kits

RXGY-E02: Vertical/Horizontal Concentric Vent Termination Kit 2" Pipe (US Only)
RXGY-E02A: Vertical/Horizontal Concentric Vent Termination Kit 2" Pipe (US & Canadian)
RXGY-E03: Vertical/Horizontal Concentric Vent Termination Kit 3" Pipe (US Only)
RXGY-E03A: Vertical/Horizontal Concentric Vent Termination Kit 3" Pipe (US & Canadian)
RXGY-G02: Direct Vent Furnace Side Wall Vent 2" or 3" (US Only)
RXGY-D05: Combustion Air Drain Kit 2"
RXGY-D06: Combustion Air Drain Kit 3"
NEUTRALIZER KIT: RXGY-A01 (Replacement Cartridge 54-22120-01)

Filter Racks

MODEL	RXGF-CB (UPFLOW/ HORIZONTAL)	RXGF-CD (UPFLOW)	RXGF-CC (DOWNFLOW)
FF4017	15 3/4 x 25 [400 x 635]	15 3/4 x 25 [400 x 635]	14 x 20 [356 x 508]
FF6017	15 3/4 x 25 [400 x 635]	15 3/4 x 25 [400 x 635]	14 x 20 [356 x 508]
FF7017	15 3/4 x 25 [400 x 635]	15 3/4 x 25 [400 x 635]	14 x 20 [356 x 508]
FF8521	19 1/4 x 25 [489 x 635]	15 3/4 x 25 [400 x 635]	14 x 20 [356 x 508]
FF10021	19 1/4 x 25 [489 x 635]	15 3/4 x 25 [400 x 635]	14 x 20 [356 x 508]
FF11524	22 3/4 x 25 [578 x 635]	15 3/4 x 25 [400 x 635]	14 x 20 [356 x 508]

Indoor Coil Casings

RXBC-D17A1
RXBC-D21A1
RXBC-D21B1
RXBC-D24A1

Other Accessories

High Altitude Considerations: For Canadian installations, an optional derate method may be used. This method is NOT for U.S. installations. Refer to installation instructions for details.
L.P. CONVERSION KIT: RXGJ-FP33
CONDENSATE PUMP KIT: PROSTOCK & 1PCB151TUL
DOWNFLOW/HORIZONTAL CONVERSION KIT: RXGY-CK
DOWNFLOW/HORIZONTAL LEFT ZERO CLEARANCE CONVERSION KIT: RXGY-ZK
COMBUSTIBLE FLOOR BASE: RXGC-B17, RXGC-B21, RXGC-B24

Limited Warranty

Fujitsu General America, Inc. provides a limited warranty for replacement of parts that fail under normal use and service within the specified periods. Conditional Parts (Registration Required) are covered for Ten (10) Years. The Heat Exchanger is covered for a Limited Lifetime.

For complete details of the Limited and Conditional Warranties, including applicable terms and conditions, contact your local contractor or Fujitsu General America, Inc. for a copy of the product warranty certificate.

Installation and Compliance Notes

Before proceeding with installation, refer to the installation instructions packaged with each model. Ensure compliance with all Federal, State, Provincial, and Local codes, regulations, and practices.

Fujitsu General America, Inc. reserves the right to make changes without notice in keeping with its policy of continuous progress and product improvement.

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