Bryant 925TA Operation manual

1
925TA
PREFERREDtSERIES TWO--STAGE
4--WAY MULTIPOISE
CONDENSING GAS FURNACE, SERIES A
Product Data
A11264
The 925TA Multipoise SEER Boost Condensing Gas Furnace
features two--stage heating. The Perfect HeatRtechnology
two--stage gas valve is at the heart of the comfort provided by this
furnace, along with the multi--tap ECM blower motor, and
two--speed inducer motor. With an Annual Fuel Utilization
Efficiency (AFUE) of up to 96.2%, the Preferred two--stage gas
furnace provides exceptional savings when compared to standard
single--stage furnaces. This Preferred Gas Furnace also features
4--way multipoise installation flexibility, and available in six model
sizes. The 925TA can be vented for direct vent/two--pipe,
ventilated combustion air, or single--pipe applications. A Bryant
Preferred™Control and Preferred or Preferred Air Conditioner or
Heat Pump, can be used to form a complete Preferred System. All
units meet California Air Quality Management District emission
requirements. All sizes are design certified in Canada.
STANDARD FEATURES
SQuiet operation. Compare for yourself at HVACpartners.com.
SAll sizes meet ENERGY STARRVersion 4.0 criteria for gas
furnaces: 95+ AFUE; AMACF electrical rating; 2% or less
cabinet airflow leakage.
SIdeal height 35” (889 mm) cabinet: short enough for taller coils,
but still allows enough room for service.
SPreferred Features—match with the Preferred Control for
Preferred System benefits.
SSilicon Nitride Perfect Light™Hot Surface Igniter.
SSmartEvap™technology helps control humidity levels in the
home when used with a compatible humidity control system.
SFanOnPlus™technology allows control of continuous fan
speed from a compatible thermostat.
SExternal Media Filter Cabinet included.
S4--way multipoise design for upflow, downflow or horizontal
installation, with unique vent elbow and optional
through--the--cabinet downflow venting capability.
SApproved for Twinning applications (42060 through 66120
sizes, only).
SBoost ECM multiple--speed blower motor, two--speed inducer
motor, and two--stage gas valve.
SSelf--diagnostics.
SAdjustable blower speed for cooling, continuous fan, and
dehumidification.
SAluminized--steel primary heat exchanger.
SStainless--steel condensing secondary heat exchanger.
SPropane convertible (see Accessory list).
SFactory--configured ready for upflow applications.
SFully--insulated casing including blower section.
SConvenient Air Purifier and Humidifier connections.
SDirect--vent/sealed combustion, single--pipe venting or
ventilated combustion air.
SInstallation flexibility: (sidewall or vertical vent).
SResidential installations may be eligible for consumer financing
through the Retail Credit Program.
SCertified to leak 2% or less of nominal air conditioning CFM
delivered when pressurized to 1--in. water column with all
present air inlets, air outlets, and condensate drain port(s) sealed.
CERTIFIED
Always Ask For
Use of the AHRI Certified TM Mark indicates a
manufacturer’s participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.

2
SAP ORDERING
NO.
CASING
DIMENSIONS
(IN.)
RATED HEATING
OUTPUT†(BTUH) HEATING AIRFLOW COOLING
CFM
@0.5ESP
MOTOR
HP-SPEED
MEDIA
CABINET
SUPPLIED
(IN.)
APPROX.
SHIP
WT (LB)
H D W High Low AFUE
CFM‡
(Low
Heating)
CFM
(High
Heating)
High
Heating
ESP
925TA30040E14A 35 30 14.2 39,000 25,000 96.2% 590 695 0.10 385-925 1/2 - 5 16 125
925TA42060E17A 35 30 17.5 58,000 38,000 96.2% 785 1000 0.12 530-1505 3/4 - 5 16 146
925TA48080E17A 35 30 17.5 78,000 50,000 96.2% 1095 1360 0.15 920-1610 3/4 - 5 16 156
925TA60080E21A 35 30 21.0 78,000 51,000 96.2% 1055 1360 0.15 795-2015 1-5 20 161
925TA60100E21A 35 30 21.0 97,000 63,000 96.1% 1325 1700 0.20 1105-2110 1-5 20 171
925TA66120E24A 35 30 24.5 117,000 76,000 96.2% 1610 2125 0.20 1385-2055 1-5 24 195
† Capacity in accordance with DOE test procedures. Ratings are position dependent. See rating plate.
‡Heating CFM at factory default blower motor heating tap settings.
ESP --- External Static Pressure
FEATURES AND BENEFITS
Perfect HeatRTechnology — This feature with Adaptive Control
is a proprietary function that promotes homeowner comfort
through two stages of heating. This Bryant furnace offers a
patented algorithm that continually monitors and adjusts furnace
operation by looking at both current and past conditions to
determine the most effective stage of heating and the amount of
time to run each stage, every cycle.
SmartEvaptTechnology — When paired with a compatible
thermostat, this dehumidification feature overrides the cooling
blower off-delay when there is a call for dehumidification. By
deactivating the blower off-delay, SmartEvap technology prevents
condensate that remains on the coil after a dehumidification cycle
from re-humidifying throughout the home. This results in reduced
humidity and a more comfortable indoor environment for the
homeowner.
Unlike competitive systems, SmartEvap technology only overrides
the cooling when humidity control is needed. Once humidity is
back in control, SmartEvap re-enables the energy-saving cooling
blower off-delay.
FanOnPlustTechnology — Sometimes the constant fan setting
on a standard furnace system can actually reduce homeowner
comfort by providing too much or too little air! Fan On Plus
technology improves comfort all year long by allowing the
homeowner to select the continuous fan speed of their choice using
a compatible thermostat.
HYBRID HEATRDual Fuel system — This system can provide
more control over your monthly energy bills by automatically
selecting the most economical method of heating. With HYBRID
HEAT, our system automatically switches between the gas furnace
and the electric heat pump as outside temperatures change to
maintain greater efficiency and comfort than with any traditional
single-source heating system. The heat pump also delivers
high-efficiency cooling in the summer.
Power HeattIgniter — Bryant’s unique SiN igniter is not only
physically robust but it is also electrically robust. It is capable of
running at line voltage and does not require complex voltage
regulators as do other brands. This unique feature further enhances
the gas furnace reliability and continues Bryant’s tradition of
technology leadership and innovation in providing a reliable and
durable product.
Boost ECM Blower Motor —This basic ECM, or electronically
commutated motor, can provide an efficiency enhancement for
select Bryant air conditioner or heat pump systems. It uses less
electrical power than its PSC counterpart and also has a wider
range of speeds
Reliable Heat Exchanger Design — The aluminized steel, clam
shell primary heat exchanger was re--engineered to achieve greater
efficiency out of a smaller size. The first two passes of the heat
exchanger are based on the current 80% product, a design with
more than ten years of field-proven performance and success.
These innovations, paired with the continuation of a crimped,
no-weld seam create an efficient, robust design for this essential
component.
The condensing heat exchanger, a stainless steel fin and tube
design, is positioned in the furnace to extract additional heat.
Stainless steel coupling box componentry between heat exchangers
has exceptional corrosion resistance in both natural gas and
propane applications.
Media Filter Cabinet — Enhanced indoor air quality in the home
is made easier with our media filter cabinet—a standard accessory
on all deluxe furnaces. When installed as a part of the system, this
cabinet allows for easy and convenient addition of a Bryant high
efficiency air filter.
4-Way Multipoise Design — One model for all applications –
there is no need to stock special downflow or horizontal models
when one unit will do it all. The new heat exchanger design allows
these units to achieve the certified AFUE in all positions.
Direct or Single-pipe Venting, or Optional Ventilated
Combustion Air — This furnace can be installed as a 2-pipe
(Direct Vent) furnace, in an optional ventilated combustion air
application, or in single-pipe, non-direct vent applications. This
provides added flexibility to meet diverse installation needs.
Sealed Combustion System — This furnace brings in combustion
air from outside the furnace, which results in especially quiet
operation. By sealing the entire combustion vestibule, the entire
furnace can be made quieter, not just the burners.
Insulated Casing —Foil-faced insulation in the heat exchanger
section of the casing minimizes heat loss. The acoustical insulation
in the blower compartment reduces air and motor noise for quiet
operation.
Monoport Burners — The burners are specially designed and
finely tuned for smooth, quiet combustion and economical
operation.
Bottom Closure — Factory--installed for side return; easily
removable for bottom return. The multi-use bottom closure can
also serve for roll-out protection in horizontal applications, and act
as the bottom closure for the optional return air base accessory.
Blower Access Panel Switch—Automatically shuts off 115-v
power to furnace whenever blower access panel is opened.
Quality Registration — Our furnaces are engineered and
manufactured under an ISO 9001 registered quality system.
Certifications — This furnace is CSA (AGA and CGA) design
certified for use with natural and propane gases. The furnace is
factory--shipped for use with natural gas. A CSA listed gas
conversion kit is required to convert furnace for use with propane
gas. The efficiency is AHRI efficiency rating certified. This furnace
meets California Air Quality Management District emission
requirements.
925TA

3
SPECIFICATIONS
Heating Capacity and Efficiency 30040 42060 48080 60080 60100 66120
Input
High
Heat (BTUH) 40,000 60,000 80,000 80,000 100,000 120,000
Low
Heat (BTUH) 26,000 39,000 52,000 52,000 65,000 78,000
Output
High
Heat (BTUH) 39,000 58,000 78,000 78,000 97,000 117,000
Low
Heat (BTUH) 25,000 38,000 50,000 51,000 63,000 76,000
Efficiency AFUE % (ICS) 96.2 96.2 96.2 96.2 96.1 96.2
Certified Temperature
Rise Range ºF (ºC)
High Heat 40 - 70
(22 - 39)
40 - 70
(22 - 39)
40 - 70
(22 - 39)
40 - 70
(22 - 39)
40 - 70
(22 - 39)
40 - 70
(22 - 39)
Low Heat 30 - 60
(17 - 33)
30 - 60
(17 - 33)
30 - 60
(17 - 33)
30 - 60
(17 - 33)
30 - 60
(17 - 33)
30 - 60
(17 - 33)
Airflow Capacity and Blower Data 30040 42060 48080 60080 60100 66120
Rated External Static
Pressure (in. w.c.)
Heating 0.10 0.12 0.15 0.15 0.20 0.20
Cooling 0.5 0.5 0.5 0.5 0.5 0.5
Airflow Delivery
@ Rated ESP (CFM)
High Heat 695 1000 1360 1360 1700 2125
Low Heat 590 785 1095 1055 1325 1610
Cooling 925 1505 1610 2015 2110 2055
Cooling Capacity (tons) 400 CFM/ton 23.5 4555
350 CFM/ton 2.5 44.5 5.5 6 6
Direct-Drive Motor Type Electronically Commutated Motor (ECM)
Direct-Drive Motor HP 1/2 3/4 3/4 111
Motor Full Load Amps 6.8 8.4 8.4 10.9 10.9 10.9
RPM Range 600 - 1200
Speed Selections 5
Blower Wheel Dia x Width in. 11 x 7 11 x 8 11 x 8 11 x 10 11 x 10 11 x 11
Air Filtration System Factory Supplied Media Cabinet
Field Supplied Filter
Filter Used for Certified Watt Data* KGAWF**06UFR
Electrical Data 30040 42060 48080 60080 60100 66120
Input Voltage Volts-Hertz-
Phase 115-60-1
Operating Voltage Range Min-Max 104-127
Maximum Input Amps Amps 7.5 9.2 9.2 11.7 11.8 11.8
Unit Ampacity Amps 10.3 12.4 12.4 15.5 15.6 15.6
Minimum Wire Size AWG 14 14 14 12 12 12
Maximum Wire Length
@ Minimum Wire Size
Feet 36 29 29 37 36 36
(M) (11.0) (8.8) (8.8) (11.3) (11.0) (11.0)
Maximum Fuse/Ckt Bkr
(Time-Delay Type Recom-
mended)
Amps 15 15 15 20 20 20
Transformer Capacity (24vac output) 40 VA
External Control Power
Available
Heating 24.3 VA
Cooling 34.6 VA
Controls 30040 42060 48080 60080 60100 66120
Gas Connection Size 1/2" - NPT
Burners (Monoport) 234456
Gas Valve (Redundant)
Manufacturer White Rogers
Minimum Inlet
Gas pressure
(in. W.C.)
4.5
Maximum Inlet
Gas pressure
(in. W.C.)
13.6
Gas Conversion Kit - Natural to Propane KGANP51012SP
Gas Conversion Kit - Propane to Natural KGAPN43012SP
Manufactured (Mobile) Home Kit not approved for MH use
Ignition Device Silicon Nitride
Limit Control 165 180 170 200 180 160
Heating Blower Control (Heating Off-Delay) Adjustable: 90, 120, 150, 180 seconds
Cooling Blower Control (Time Delay Relay) 90 seconds
Communication System none
Thermostat Connections Com 24V, R, W/W1, G, Y/Y2, DHUM, Y1, W2
Accessory Connections EAC (115vac); HUM (24vac); 1-stg AC (via Y/Y2)
* See Accessory List for part numbers available.
925TA

4
MODEL NUMBER NOMENCLATURE
98 6TA30 040 V14 A-- A
S - Single Stage
T - Two Stage
M - Modulating
S - Standard
E - Energy Efficient
V - Variable Speed
14 - 14.2”
17 - 17.5”
21 - 21.0”
24 - 24.5”
91 - Legacy
92 - Preferred
98 - Evolution
Voltage
L - Low NOx
1 - 2
Family/Tier
3
Base Eff. Htg. Stages
45
Major Series 6 - 7
Clg. Cap. Htg. Cap.
8 - 10
Motor
11 12 - 13
Width 14
Voltage
15
Features Minor Series
16
Major Series
24 - 800 CFM
30 - 1000 CFM
36 - 1200 CFM
42 - 1400 CFM
48 - 1600 CFM
54 - 1800 CFM
60 - 2000 CFM
66 - 2200 CFM
(@ 0.5” ESP)
040= 40,000 BTU
060= 60,000 BTU
080= 80,000 BTU
100=100,000 BTU
120=120,000 BTU
140=140,000 BTU
Not all familes have these models.
0 - +90 AFUE
2 - +92 AFUE
3 - +93 AFUE
5 - +95 AFUE
6 - +96 AFUE
7 - +97 AFUE
Example of a Model Number
A12374
FURNACE COMPONENTS
RATING PLATE NOT SHOWN
(LOCATED ON BLOWER DOOR)
GAS VALVE
MAIN LIMIT SWITCH
(BEHIND GAS VALVE)
REPRESENTATIVE DRAWING ONLY, SOME MODELS MAY VARY IN APPEARANCE.
ELECTRICAL JUNCTION
BOX (IF REQUIRED,
LOCATION MAY VARY)
MEDIA CABINET
OPERATING INSTRUCTIONS
NOT SHOWN (LOCATED ON
MAIN FURNACE DOOR, SEE
OPERATING INSTRUCTIONS
INSIDE DOOR FIGURE).
FURNACE
CONTROL
BOARD
MANUAL RESET
ROLLOUT SWITCH
FLAME
SENSOR
MANUAL RESET
ROLLOUT SWITCH
GAS BURNER
HOT SURFACE
IGNITER
INDUCER MOTOR
ASSEMBLY
BLOWER AND
MOTOR
CAPACITOR/
POWER CHOKE
(IF USED)
BLOWER DOOR
SAFETY SWITCH
A11408
925TA

5
ACCESSORIES
DESCRIPTION PART NUMBER 30040 42060 48080 60080 60100 66120
Venting Accessories
Vent Kit - Through the Cabinet KGADC0101BVC D D D D D D
Vent Terminal - Concentric - 2” (51 mm) KGAVT0701CVT
See Venting Tables
Vent Terminal - Concentric - 3” (76 mm) KGAVT0801CVT
Vent Terminal Bracket - 2” (51 mm) KGAVT0101BRA
Vent Terminal Bracket - 3” (76 mm) KGAVT0201BRA
Vent Kit --- Rubber Coupling KGAAC0101RVC See Venting Tables
Condensate Drainage Accessories
Freeze Protect Kit - Heat Tape KGAHT0101CFP D D D D D D
CPVC to PVC Drain Adapters - 1/2” CPVC to 3/4” PVC KGAAD0110PVC D D D D D D
Horizontal Trap Grommet - Direct Vent KGACK0101HCK All DV Horizontal
Condensate Neutralizer Kit P908--- 0001 D D D D D D
External Trap Kit KGAET0201ETK D D D D D D
Ductwork Adapter Accessories
Furnace Base Kit for Combustible Floors KGASB0201ALL D D D D D D
Coil Adapter Kits --- No Offset KGADA0101ALL D D D D D D
Coil Adapter Kits --- Single Offset KGADA0201ALL D D D D D D
Coil Adapter Kits --- Double Offset KGADA0301ALL D D D D D D
Return Air Base (Upflow Applications) 14.0 --- in. wide KGARP0301B14 D
Return Air Base (Upflow Applications) 17.5 --- in. wide KGARP0301B17 D D
Return Air Base (Upflow Applications) 21.0 --- in. wide KGARP0301B21 D D
Return Air Base (Upflow Applications) 24.5 --- in. wide KGARP0301B24 D
IAQ Device Duct Adapters 20.0--- in. IAQ to 16 in. Side Return KGAAD0101MEC 20”x25” IAQ Devices
IAQ Device Duct Adapters 24.0--- in. IAQ to 16 in. Side Return KGAAD0201MEC 24”x25” IAQ Devices
Gas Conversion Accessories
Gas Conversion Kit - Nat to LP KGANP51012SP D D D D D D
Gas Conversion Kit - LP to Nat KGAPN43012SP D D D D D D
GasOrificeKit-#42(NatGas) LH32DB207 D D D D D D
GasOrificeKit-#43(NatGas) LH32DB202 D D D D D D
GasOrificeKit-#44(NatGas) LH32DB200 D D D D D D
GasOrificeKit-#45(NatGas) LH32DB205 D D D D D D
GasOrificeKit-#46(NatGas) LH32DB208 D D D D D D
GasOrificeKit-#47(NatGas) LH32DB078 D D D D D D
GasOrificeKit-#48(NatGas) LH32DB076 D D D D D D
Gas Orifice Kit - #54 (LP) LH32DB203 D D D D D D
Gas Orifice Kit - #55 (LP) LH32DB201 D D D D D D
Gas Orifice Kit - #56 (LP) LH32DB206 D D D D D D
Gas Orifice Kit - 1.25mm (LP) LH32DB209 D D D D D D
Gas Orifice Kit - 1.30mm (LP) LH32DB210 D D D D D D
Control Accessories
Twinning Kit KGATW0701HSI D D D D D
IAQ Accessories
Filter Pack (6 pack) --- Washable - 16x25x1 (406x635x25 mm) KGAWF1306UFR D D D D D D
Filter Pack (6 pack) --- Washable - 24x25x1 (610x635x25 mm) KGAWF1506UFR D D D D D D
EZ-Flex Filter - 16” (406 mm) EXPXXFIL0016 Use with EZXCAB--- 1016
EZ-Flex Filter - 20” (508 mm) EXPXXFIL0020 Use with EZXCAB--- 1020
EZ-Flex Filter - 24” (610 mm) EXPXXFIL0024 Use with EZXCAB--- 1024
EZ-Flex Filter with End Caps - 16” (406 mm) EXPXXUNV0016 Use with EZXCAB--- 1016
EZ-Flex Filter with End Caps - 20” (508 mm) EXPXXUNV0020 Use with EZXCAB--- 1020
EZ-Flex Filter with End Caps - 24” (610 mm) EXPXXUNV0024 Use with EZXCAB--- 1024
Cartridge Media Filter - 16” (406 mm) FILXXCAR0016 Use with FILCABXL ---1016
Cartridge Media Filter - 20” (508 mm) FILXXCAR0020 Use with FILCABXL ---1020
Cartridge Media Filter - 24” (610 mm) FILXXCAR0024 Use with FILCABXL ---1024
Bryant Preferred Air Purifier - 16x25 (508x635 mm) PGAPXX1625 Up to 1600 CFM
Bryant Preferred Air Purifier - 20x25 (508x635 mm) PGAPXX2025 Up to 2000 CFM
Bryant Preferred Air Purifier Repl Filter - 16x25 (406x635 mm) PGAPAXXCAR1625 Use with PGAPXX1625
Bryant Preferred Air Purifier Repl. Filter - 20x25 (508x635 mm) PGAPAXXCAR2025 Use with PGAPXX2025
D= Used with the model furnace
925TA

6
AIR DELIVERY -- CFM (BOTTOM RETURN WITH FILTER)
UNIT
SIZE
RETURN-AIR
CONNECTION
SPEED
TAPS 2, 3
EXTERNAL STATIC PRESSURE (IN.W.C.)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
030040 SIDE/BOTTOM
Gray 1120 1080 1030 980 925 875 820 760 690 630
Yellow 880 845 810 780 740 710 680 640 615 570
Blue 695 665 620 575 535 495 455 420 370 280
Orange 640 595 540 495 460 420 370 310 260 230
Red 570 525 475 425 385 330 255 220 -6-6
042060 SIDE/BOTTOM
Gray 1720 1670 1620 1565 1505 1440 1375 1295 1220 1135
Yellow 1325 1285 1255 1220 1185 1145 1115 1075 1040 1000
Blue 1010 970 925 875 835 785 745 690 660 620
Orange 1160 1115 1080 1045 1000 960 920 875 840 785
Red 785 715 655 595 530 490 435 385 340 285
048080 SIDE/BOTTOM
Gray 1810 1770 1720 1665 1610 1540 1475 1400 1315 1235
Yellow 1535 1500 1475 1435 1405 1370 1340 1310 1245 1160
Blue 1380 1340 1305 1270 1240 1200 1165 1130 1090 1050
Orange 1180 1130 1095 1060 1015 975 935 895 850 800
Red 1100 1045 1010 970 920 885 845 790 745 690
060080 BOTTOM or
TWO-SIDES 4, 5
Gray 2290 2225 2155 2090 2015 1930 1845 1750 1640 1515
Yellow 1810 1760 1725 1685 1640 1600 1555 1520 1480 1415
Blue 1385 1340 1285 1240 1200 1140 1090 1050 995 950
Orange 1560 1520 1475 1430 1385 1335 1295 1240 1200 1150
Red 1055 985 910 860 795 750 680 615 565 495
060100 BOTTOM or
TWO-SIDES 4, 5
Gray 2340 2295 2250 2195 2110 2030 1935 1835 1725 1605
Yellow 1950 1900 1855 1800 1755 1705 1655 1605 1560 1485
Blue 1750 1700 1650 1605 1555 1500 1455 1395 1350 1300
Orange 1570 1520 1460 1410 1350 1300 1240 1195 1140 1095
Red 1350 1280 1225 1155 1105 1045 1000 950 895 830
066120 BOTTOM or
TWO-SIDES 4, 5
Gray 2275 2230 2185 2130 2055 1950 1825 1710 1610 1500
Yellow 1875 1820 1770 1720 1660 1600 1550 1505 1450 1390
Blue 2170 2125 2075 2025 1975 1900 1790 1695 1590 1470
Orange 31475 1420 1350 1280 1215 1165 1105 1050 995 930
Red 31625 1565 1505 1445 1385 1325 1275 1225 1170 1130
NOTE:
1. A filter is required for each return ---air inlet. Airflow performance includes a 3/4---in. (19 mm) washable filter media such as contained in a factory---author-
ized accessory filter rack. See accessory list. To determine airflow performance without this filter, assume an additional 0.1 in. w.c. available external static
pressure.
2. ADJUST THE BLOWER SPEED TAPS AS NECESSARY FOR THE PROPER AIR TEMPERATURE RISE FOR EACH INSTALLATION.
3. Shaded areas indicate that this airflow range is BELOW THE RANGE ALLOWED FOR HIGH ---STAGE HEATING OPERATION. THESE AIRFLOW RANGES
MAY ONLY BE USED FOR LOW ---STAGE HEAT OR COOLING.
4. Airflows over 1800 CFM require bottom return, two---side return, or bottom and side return. A minimum filter size of 20” x 25” (508 x 635 mm) is required.
5. For upflow applications, air entering from one side into both the side of the furnace and a return air base counts as a side and bottom return.
6. The “---” entry indicates an unstable operating condition.
925TA

7
MAXIMUM ALLOWABLE EXPOSED VENT LENGTHS INSULATION TABLE -- FT. / M
Tw o S ta g e
Furnace High
Heat Input
Winter Design
Te mp ° F ( ° C )
Pipe
Length in
Ft. & M
No Insulation 3/8-in. (9.5 mm) 1/2-in. (12.7 mm)
Pipe Diameter-inches (mm) Pipe Diameter-inches (mm) Pipe Diameter-inches (mm)
1.5 2.0 2.5 3.0 4.0 1.5 2.0 2.5 3.0 4.0 1.5 2.0 2.5 3.0 4.0
(38) (51) (64) (76) (102) (38) (51) (64) (76) (102) (38) (51) (64) (76) (102)
40000*
20 (-10)
Ft. 40.0 35.0 35.0 N/A N/A 50.0 104.0 94.0 N/A N/A 50.0 122.0 110.0 N/A N/A
M12.2 10.7 10.7 N/A N/A 15.2 31.7 28.7 N/A N/A 15.2 37.2 33.5 N/A N/A
0 (-20)
Ft. 19.0 14.0 12.0 N/A N/A 50.0 61.0 54.0 N/A N/A 50.0 74.0 65.0 N/A N/A
M5.8 4.3 3.7 N/A N/A 15.2 18.6 16.5 N/A N/A 15.2 22.6 19.8 N/A N/A
-20 (-30)
Ft. 9.0 3.0 1.0 N/A N/A 50.0 41.0 35.0 N/A N/A 50.0 51.0 43.0 N/A N/A
M2.7 0.9 0.3 N/A N/A 15.2 12.5 10.7 N/A N/A 15.2 15.5 13.1 N/A N/A
-40 (-40)
Ft. 3.0 0.0 0.0 N/A N/A 39.0 29.0 23.0 N/A N/A 48.0 37.0 30.0 N/A N/A
M0.9 0.0 0.0 N/A N/A 11.9 8.8 7.0 N/A N/A 14.6 11.3 9.1 N/A N/A
60000
20 (-10)
Ft. 30.0 51.0 51.0 45.0 N/A 30.0 135.0 138.0 120.0 N/A 30.0 135.0 162.0 141.0 N/A
M9.1 15.5 15.5 13.7 N/A 9.1 41.1 42.1 36.6 N/A 9.1 41.1 49.4 43.0 N/A
0 (-20)
Ft. 30.0 24.0 23.0 16.0 N/A 30.0 93.0 82.0 69.0 N/A 30.0 111.0 98.0 83.0 N/A
M9.1 7.3 7.0 4.9 N/A 9.1 28.3 25.0 21.0 N/A 9.1 33.8 29.9 25.3 N/A
-20 (-30)
Ft. 18.0 11.0 9.0 1.0 N/A 30.0 65.0 56.0 44.0 N/A 30.0 79.0 68.0 55.0 N/A
M5.5 3.4 2.7 0.3 N/A 9.1 19.8 17.1 13.4 N/A 9.1 24.1 20.7 16.8 N/A
-40 (-40)
Ft. 10.0 3.0 0.0 0.0 N/A 30.0 48.0 40.0 29.0 N/A 30.0 59.0 50.0 38.0 N/A
M3.0 0.9 0.0 0.0 N/A 9.1 14.6 12.2 8.8 N/A 9.1 18.0 15.2 11.6 N/A
80000
20 (-10)
Ft. 20.0 64.0 64.0 56.0 47.0 20.0 70.0 173.0 150.0 125.0 20.0 70.0 175.0 177.0 147.0
M6.1 19.5 19.5 17.1 14.3 6.1 21.3 52.7 45.7 38.1 6.1 21.3 53.3 53.9 44.8
0 (-20)
Ft. 20.0 32.0 30.0 22.0 11.0 20.0 70.0 104.0 87.0 67.0 20.0 70.0 124.0 104.0 82.0
M6.1 9.8 9.1 6.7 3.4 6.1 21.3 31.7 26.5 20.4 6.1 21.3 37.8 31.7 25.0
-20 (-30)
Ft. 20.0 17.0 14.0 6.0 0.0 20.0 70.0 71.0 57.0 40.0 20.0 70.0 86.0 71.0 52.0
M6.1 5.2 4.3 1.8 0.0 6.1 21.3 21.6 17.4 12.2 6.1 21.3 26.2 21.6 15.8
-40 (-40)
Ft. 15.0 7.0 5.0 0.0 0.0 20.0 61.0 52.0 40.0 24.0 20.0 70.0 64.0 50.0 33.0
M4.6 2.1 1.5 0.0 0.0 6.1 18.6 15.8 12.2 7.3 6.1 21.3 19.5 15.2 10.1
100000
20 (-10)
Ft. N/A 25.0 79.0 70.0 59.0 N/A 25.0 110.0 186.0 155.0 N/A 25.0 110.0 219.0 182.0
MN/A 7.6 24.1 21.3 18.0 N/A 7.6 33.5 56.7 47.2 N/A 7.6 33.5 66.8 55.5
0 (-20)
Ft. N/A 25.0 40.0 31.0 19.0 N/A 25.0 110.0 109.0 86.0 N/A 25.0 110.0 131.0 104.0
MN/A 7.6 12.2 9.4 5.8 N/A 7.6 33.5 33.2 26.2 N/A 7.6 33.5 39.9 31.7
-20 (-30)
Ft. N/A 23.0 21.0 13.0 0.0 N/A 25.0 91.0 74.0 54.0 N/A 25.0 110.0 90.0 68.0
MN/A 7.0 6.4 4.0 0.0 N/A 7.6 27.7 22.6 16.5 N/A 7.6 33.5 27.4 20.7
-40 (-40)
Ft. N/A 13.0 10.0 1.0 0.0 N/A 25.0 68.0 53.0 35.0 N/A 25.0 83.0 66.0 46.0
MN/A 4.0 3.0 0.3 0.0 N/A 7.6 20.7 16.2 10.7 N/A 7.6 25.3 20.1 14.0
120000
20 (-10)
Ft. N/A N/A 15.0 85.0 73.0 N/A N/A 15.0 100.0 190.0 N/A N/A 15.0 100.0 224.0
MN/A N/A 4.6 25.9 22.3 N/A N/A 4.6 30.5 57.9 N/A N/A 4.6 30.5 68.3
0 (-20)
Ft. N/A N/A 15.0 41.0 29.0 N/A N/A 15.0 100.0 109.0 N/A N/A 15.0 100.0 131.0
MN/A N/A 4.6 12.5 8.8 N/A N/A 4.6 30.5 33.2 N/A N/A 4.6 30.5 39.9
-20 (-30)
Ft. N/A N/A 15.0 20.0 7.0 N/A N/A 15.0 94.0 71.0 N/A N/A 15.0 114.0 88.0
MN/A N/A 4.6 6.1 2.1 N/A N/A 4.6 28.7 21.6 N/A N/A 4.6 34.7 26.8
-40 (-40)
Ft. N/A N/A 15.0 7.0 0.0 N/A N/A 15.0 69.0 48.0 N/A N/A 15.0 85.0 62.0
MN/A N/A 4.6 2.1 0.0 N/A N/A 4.6 21.0 14.6 N/A N/A 4.6 25.9 18.9
* Not all families have these models.
* Pipe length (ft) specified for maximum pipe lengths located in unconditioned spaces. Pipes located in unconditioned space cannot exceed total allowable pipe
length calculated from Table 1 or 3.
† Insulation thickness based on R value of 3.5 per in.
925TA

8
MAXIMUM EQUIVALENT VENT LENGTH -- FT. (M)
NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows.
Use Table 2 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
Table 1 – Maximum Equivalent Vent Length -- Ft. (M)
0 to 4500 Ft. (0 to 1370 M) Altitude
Altitude
FT (M)
Unit Size
BTU/Hr DIRECT VENT (2-PIPE) AND NON-DIRECT VENT (1-PIPE)
Vent Pipe Diameter (in.) 1
1-1/2 22-1/2 3 4
0 to 2000
(0 to 610)
40,000 350 (15.2) 210 (64.0) 250 (76.2) NA 2NA
60,000 30 (9.1) 135 (41.1) 235 (71.6) 265 (80.8) NA
80,000 20 (6.1) 70 (21.3) 175 (53.3) 235 (71.6) 265 (80.8)
100,000 NA 25 (7.6) 110 (33.5) 235 (71.6) 265 (80.8)
120,000 NA NA 15 (4.6) 100 (30.5) 250 (76.2)
140,000 4NA NA 10 (3.0) 90 (27.4) 210 (64.0)
2001 to 3000
(610 to 914)
40,000 45 (13.7) 198 (60.4) 232 (70.7) NA NA
60,000 27 (8.2) 127 (38.7) 222 (67.7) 250 (76.2) NA
80,000 17 (5.2) 64 (19.5) 165 (50.3) 222 (67.7) 249 (75.9)
100,000 NA 22 (6.7) 104 (31.7) 223 (68.0) 250 (76.2)
120,000 NA NA 11 (3.4) 93 (28.3) 237 (72.2)
140,000 4NA NA NA 80 (24.4) 185 (56.4)
3001 to 4000
(914 to 1219)
40,000 39 (11.9) 184 (56.1) 214 (65.2) NA NA
60,000 23 (7.0) 119 (36.3) 210 (64.0) 235 (71.6) NA
80,000 15 (4.6) 59 (18.0) 155 (47.2) 210 (64.0) 232 (70.7)
100,000 NA 19 (5.8) 98 (29.9) 211 (64.3) 236 (71.9)
120,000 NA NA 8(2.4) 86 (26.2) 224 (68.3)
140,000 4NA NA NA 79 (24.1) 158 (48.2)
4001 to 4500
(1219 to 1370)
40,000 36 (11.0) 177 (53.9) 205 (62.5) NA NA
60,000 21 (6.4) 115 (35.1) 204 (62.2) 228 (69.5) NA
80,000 14 (4.3) 56 (17.1) 150 (45.7) 202 (61.6) 224 (68.3)
100,000 NA 17 (5.2) 94 (28.7) 205 (62.5) 229 (69.8)
120,000 NA NA NA 83 (25.3) 217 (66.1)
140,000 4NA NA NA 69 (21.0) 146 (44.5)
NOTES: See notes at end of venting tables.
See Table 3 for altitudes over 4500 ft. (1370 M)
Long Medium Mitered
Concentric
Standard
ELBOW CONFIGURATIONS VENT TERMINAL CONFIGURATIONS
A11580
Table 2 – Deductions from Maximum Equivalent Vent Length -- Ft. (M)
Pipe Diameter (in): 1-1/2 22-1/2 3 4
Mitered 90º Elbow 8(2.4) 8(2.4) 8(2.4) 8(2.4) 8(2.4)
Medium Radius 90º Elbow 5(1.5) 5(1.5) 5(1.5) 5(1.5) 5(1.5)
Long Radius 90º Elbow 3(0.9) 3(0.9) 3(0.9) 3(0.9) 3(0.9)
Mitered 45º Elbow 4(1.2) 4(1.2) 4(1.2) 4(1.2) 4(1.2)
Medium Radius 45º Elbow 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) 2.5 (0.8) 2.5 (0.8)
Long Radius 45º Elbow 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) 1.5 (0.5) 1.5 (0.5)
Tee 16 (4.9) 16 (4.9) 16 (4.9) 16 (4.9) 16 (4.9)
Concentric Vent Termination NA 0(0.0) NA 0(0.0) NA
Standard Vent Termination 0(0.0) 0(0.0) 0(0.0) 0(0.0) 0(0.0)
925TA

9
Venting System Length Calculations
The Total Equivalent Vent Length (TEVL) for EACH combustion air or vent pipe equals the length of the venting system, plus the equivalent
length of elbows used in the venting system from Table 2.
Standard vent terminations or factory accessory concentric vent terminations count for zero deduction.
See vent system manufacturer’s data for equivalent lengths of flexible vent pipe or other termination systems. DO NOT ASSUME that one
foot of flexible vent pipe equals one foot of straight PVC/ABS DWV vent pipe.
Compare the Total Equivalent Vent Length to the Maximum Equivalent Vent Lengths in Tables 1 and 3.
Example 1
A direct--vent 60,000 Btuh furnace installed at 2100 ft. (640 M). Venting system includes, FOR EACH PIPE, 100 feet (30 M) of vent pipe,
95 feet (28 M) of combustion air inlet pipe, (3) 90_long radius elbows, (2) 45_long radius elbows and a factory accessory concentric vent
kit.
Can this application use 2--in. (50 mm ND) PVC/ABS DWV vent piping?
Measure the required linear length of air inlet and vent pipe; insert the
longest of the two here: 100 ft Use length of the longer of the vent or air inlet piping system
Add equiv length of (3) 90º long-radius elbows
(use the highest number of elbows for either the
vent or inlet pipe)
3 x 3ft =9ft. From Table 2
Add equiv length of (2) 45º long-radius elbows
(use the highest number of elbows for either the
vent or inlet pipe)
2 x 1.5 ft =3ft. From Table 2
Add equiv length of of vent termination 0ft. From Table 2
Add correction for flexible vent pipe, if any 0ft. From Vent Manufacturer’s instructions;
zero for PVC/ABS DWV
Total Equivalent Vent Length (TEVL) 112 ft. Add all of the above lines
Maximum Equivalent Vent Length (MEVL) 127 ft. For 2” pipe from Table 1
Is TEVL less than MEVL? YES Therefore, 2” pipe may be used
Example 2
A direct--vent 60,000 Btuh furnace installed at 2100 ft. (640 M) Venting system includes, FOR EACH PIPE, 100 feet (30 M) of vent pipe,
95 feet (28 M) of combustion air inlet pipe, (3) 90_long radius elbows, and a polypropylene concentric vent kit. Also includes 20 feet (6 M)
of flexible polypropylene vent pipe, included within the 100 feet (30 M) of vent pipe.
Assume that one meter of flexible 60 mm or 80 mm polypropylene pipe equals 1.8 meters of PVC/ABS pipe. VERIFY FROM VENT
MANUFACTURER’S INSTRUCTIONS.
Can this application use 60 mm (O.D.) polypropylene vent piping? If not what size piping can be used?
Measure the required linear length of air inlet and vent pipe; insert the
longest of the two here: 100 ft Use length of the longer of the vent or air inlet piping system
Add equiv length of (3) 90º long-radius elbows
(use the highest number of elbows for either the
vent or inlet pipe)
3 x 3ft =9ft. From Vent Manufacturer’s instructions
Add equiv length of (2) 45º long-radius elbows
(use the highest number of elbows for either the
vent or inlet pipe)
0 x = 0ft. From Vent Manufacturer’s instructions
Add equiv length of of vent termination 9M x3ft/M =18 ft. From Vent Manufacturer’s instructions
Add correction for flexible vent pipe, if any 1.8 x20 ft =36 ft. From Vent Manufacturer’s instructions
Total Equivalent Vent Length (TEVL) 163 ft. Add all of the above lines
Maximum Equivalent Vent Length (MEVL) 127 ft. For 2” pipe from Table 1
Is TEVL less than MEVL? NO Therefore, 60mm pipe may NOT be used;
try 80 mm
Maximum Equivalent Vent Length (MEVL) 250 ft. For 3” pipe from Table 1
Is TEVL less than MEVL? YES Therefore, 80 mm pipe may be used
925TA

10
MAXIMUM EQUIVALENT VENT LENGTH -- FT. (M) (CONTINUED)
NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows.
Use Table 2 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
Table 3 – Maximum Equivalent Vent Length -- Ft. (M)
4501 to 10,000 Ft. (0 to 1370 M) Altitude
Altitude
FT (M) 5Unit Size
DIRECT VENT (2-PIPE) AND SINGLE-PIPE
Vent Pipe Diameter (in.) 1
1-1/2 22-1/2 3 4
4501 to 5000
(1370 to 1524)
40,000 33 (10.1) 171 (52.1) 196 (59.7) NA 2NA
60,000 20 (6.1) 111 (33.8) 198 (60.4) 221 (67.4) NA
80,000 13 (4.0) 54 (16.5) 146 (44.5) 195 (59.4) 216 (65.8)
100,000 NA 16 (4.9) 91 (27.7) 200 (61.0) 222 (67.7)
120,000 NA NA NA 80 (24.4) 211 (64.3)
140,000 4NA NA NA 60 (18.3) 134 (40.8)
5001 to 6000
(1524 to 1829)
40,000 27 (8.2) 158 (48.2) 179 (54.6) NA NA
60,000 16 (4.9) 103 (31.4) 186 (56.7) 207 (63.1) NA
80,000 11 (3.4) 49 (14.9) 137 (41.8) 183 (55.8) 200 (61.0)
100,000 NA 12 (3.7) 85 (25.9) 188 (57.3) 208 (63.4)
120,000 NA NA NA 74 (22.6) 199 (60.7)
140,000 4NA NA NA 50 (15.2) 109 (33.2)
6001 to 7000
(1829 to 2134)
40,000 21 (6.4) 145 (44.2) 162 (49.4) NA NA
60,000 13 (4.0) 96 (29.3) 174 (53.0) 194 (59.1) NA
80,000 NA 44 (13.4) 120 (36.6) 171 (52.1) 185 (56.4)
100,000 NA 10 (3.0) 79 (24.1) 178 (54.3) 195 (59.4)
120,000 NA NA NA 68 (20.7) 187 (57.0)
140,000 4NA NA NA 41 (12.5) 87 (26.5)
7001 to 8000
(2134 to 2438)
40,000 15 (4.6) 133 (40.5) 146 (44.5) NA NA
60,000 10 (3.0) 89 (27.1) 163 (49.7) 181 (55.2) NA
80,000 NA 40 (12.2) 120 (36.6) 159 (48.5) 170 (51.8)
100,000 NA NA 73 (22.3) 167 (50.9) 182 (55.5)
120,000 NA NA NA 62 (18.9) 175 (53.3)
140,000 4NA NA NA 32 (9.8) 63 (19.2)
8001 to 9000
(2438 to 2743)
40,000 10 (3.0) 121 (36.9) 130 (39.6) NA NA
60,000 7(2.1) 82 (25.0) 152 (46.3) 168 (51.2) NA
80,000 NA 35 (10.7) 111 (33.8) 148 (45.1) 156 (47.5)
100,000 NA NA 67 (20.4) 157 (47.9) 170 (51.8)
120,000 NA NA NA 56 (17.1) 164 (50.0)
140,000 4NA NA NA 23 (7.0) 42 (12.8)
9001 to 10,000
(2743 to 3048)
40,000 5(1.5) 110 (33.5) 115 (35.1) NA NA
60,000 NA 76 (23.2) 142 (43.3) 156 (47.5) NA
80,000 NA 31 (9.4) 103 (31.4) 137 (41.8) 142 (43.3)
100,000 NA NA 62 (18.9) 147 (44.8) 157 (47.9)
120,000 NA NA NA 51 (15.5) 153 (46.6)
140,000 4NA NA NA 16 (4.9) 20 (6.1)
NOTES:
1. Use only the vent pipe sizes shown for each furnace. It is NOT necessary to choose the smallest diameter pipe possible for venting.
2. NA --- Not allowed. Pressure switch will not close, or flame disturbance may result.
3. Total equivalent vent lengths under 10’ for 40,000 BTUH furnaces from 0 to 2000 ft. (0 to 610 M) above sea level require use of an outlet choke plate .
Failure to use an outlet choke when required may result in flame disturbance or flame sense lockout.
4. Not all furnace families include 140,000 BTUH input models.
5. Vent sizing for Canadian installations over 4500 ft (1370 M) above sea level are subject to acceptance by local authorities having jurisdiction.
6. Size both the combustion air and vent pipe independently, then use the larger size for both pipes.
7. Assume the two 45_elbows equal one 90_elbow. Wide radius elbows are desirable and may be required in some cases.
8. Elbow and pipe sections within the furnace casing and at the vent termination should not be included in vent length or elbow count.
9. The minimum pipe length is 5 ft. (1.5 M) linear feet (meters) for all applications.
10. Use 3---in. (76 mm) diameter vent termination kit for installations requiring 4---in. (102 mm) diameter pipe.
925TA

11
RETURN AIR TEMPERATURE
This furnace is designed for continuous return--air minimum temperature of 60_F(15_C) db or intermittent operation down to 55_F(13_C)
db such as when used with a night setback thermometer. Return--air temperature must not exceed 80_F(27_C) db. Failure to follow these
return air limits may affect reliability of heat exchangers, motors and controls.
60
80 / 27˚C
/ 16˚C
SUPPLY AIR
A10490
MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS
POSITION CLEARANCE
Rear 0(0mm)
Front (Combustion air openings in furnace and in structure) 1in.(25mm)
Required for service** 24 in. (610 mm)*
All Sides of Supply Plenum** 1in.(25mm)
Sides 0(0mm)
Vent 0(0mm)
Top of Furnace 1in. (25mm)
* Recommended
**Consult your local building codes
COMBUSTION--AIR PIPE FOR NON--DIRECT (1--PIPE) VENT APPLICATION
FIELD-SUPPLIED
2-IN. (51 mm) DIA.
PVC PIPE
FIELD-SUPPLIED
2-IN. (51 mm) DIA.
MITERED RADIUS
PVC 90°ELBOW
12” (300 mm) MINIMUM
A12376
NOTE: See Installation Instructions for specific venting configurations.
925TA

12
DOWNFLOW SUBBASE
LOCATING
TAB
LOCATING
TAB
1234
4321
B
D
C
A
1
1
/4-IN. TYP
PLENUM
OPENING
FACTORY-SUPPLIED
FIELD-INSTALLED
INSULATION
Assembled Disassembled
A97427 A88207
DIMENSIONS (IN. / MM)
FURNACE
CASING WIDTH
FURNACE IN DOWNFLOW
APPLICATION
PLENUM OPENING* FLOOR OPENING HOLE NO. FOR
WIDTH
ADJUSTMENT
A B C D
14--- 3/16 (360) Furnace with or without Cased Coil
Assembly or Coil Box
11--- 3/16
(322) 19 (483) 13 --- 7/16 (341)
20--- 5/8
(600) 4
17--- 1/2 (445) Furnace with or without Cased Coil
Assembly or Coil Box
15--- 1/8
(384) 19 (483) 16 --- 3/4 (426)
20--- 5/8
(600) 3
21 (533) Furnace with or without Cased Coil
Assembly or Coil Box
18--- 5/8
(396) 19 (483) 20 --- 1/4 (514)
20--- 5/8
(600) 2
24--- 1/2 (622) Furnace with or without Cased Coil
Assembly or Coil Box
22--- 1/8
(562) 19 (483) 23 --- 3/4 (603)
20--- 5/8
(600) 1
*The plenum should be constructed 1/4---in. (6 mm) smaller in width and depth than the plenum dimensions shown above.
Concentric Vent Kit
A93086
A concentric vent kit allows vent and combustion--air pipes to
terminate through a single exit in a roof or side wall. One pipe
runs inside the other allowing venting through the inner pipe and
combustion air to be drawn in through the outer pipe.
Downflow Subbase
A88202
One base fits all furnace sizes. The base is designed to be installed
between the furnace and a combustible floor when no coil box is
used or when a coil box other than a Bryant cased coil is used. It is
CSA design certified for use with Bryant branded furnaces when
installed in downflow applications.
925TA

13
MEDIA FILTER CABINET
Media Filter
Cabinet AB
16" (406mm)
20" (508mm)
24" (610mm)
17" (432mm)
Furnace Side
Centerline Screw Slots
23-3/4”
23-3/8”
23-5/8"
5
34
Duct Side
Opening
Opening with Flanges Bent
24-1/4”
25-5/8"
B Opening
A
"
(600mm)
(594mm)
(603mm)
(146mm)
(651mm)
(616mm)
23-1/8”
(588mm)
16" (406mm)
20" (508mm)
24" (610mm)
21" (533mm)
25" (635mm)
NOTE: Media cabinet is matched to the bottom opening on furnace. May also be used for side return.
A12428
TYPICAL WIRING SCHEMATIC
115-VOLT FIELD-
SUPPLIED
FUSED
DISCONNECT
JUNCTION
BOX
24-VOLT
TERMINAL
BLOCK
THREE-WIRE
HEATING-
ONLY
FIVE
WIRE
NOTE 2
NOTE 1
1-STAGE
THERMOSTAT
TERMINALS
FIELD-SUPPLIED
FUSED DISCONNECT
CONDENSING
UNIT
FURNACE
COM
R
WCY RG
GND
GND
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
Connect Y/Y2-terminal as shown for proper operation.
Some thermostats require a "C" terminal connection as shown.
If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
WHT
BLK
WHT
BLK
W/W1
W2
Y/Y2
G
NOTES: 1.
2.
3.
BLOWER
DOOR
SWITCH
C
O
N
T
R
O
L
A11401
925TA

14
DIMENSIONAL DRAWING
6 15/16
[176.1]
3
[76.2]
3
[76.2]
6 11/16
[170.1]
23 5/16
[592.9]
25 1/8
[638.7]
26 3/8
[670.0]
26 11/16
[678.1]
21
[534.0]
26 5/16
[668.8]
17 5/16
[439.2]
16 9/16
[420.9]
20 1/4
[513.9] 25 3/16
[639.1]
28 3/16
[715.9]
28 5/8
[726.4]
32 5/8
[829.5]
28 3/4
[730.5]
26 3/8
[669.9]
26 11/16
[678.1]
21 15/16
[557.4]
21 1/16
[535.8]
26 5/16
[668.8]
3
[76.2] AIR INTAKE
1 3/4
[44.5] GAS CONN
7/8
[22.2]
7/8
[22.2] POWER CONN
7/8
[22.2]
THERMOSTAT ENTRY
7/8
[22.2]
3
[76.2]
AIR INTAKE 1 3/4
[44.5] GAS CONN
7/8
[22.2]
7/8
[22.2]
3
[76.2 ]
7/8
[22.2]
7/8
[22.2] THERMOSTAT ENTRY
22 15/16
[581.9] 16 9/16
[420.9]
17 7/16
[442.3]
20 1/4
[513.9]
24
[609.7]
28 3/8
[720.4]
28 5/8
[726.9]
29 13/16
[757]
23 3/8
[592.0]
3
[76.2]
VENT
1 (BOTH SIDES)
[25.4]
D
2 3/10
[58.4]
C
BOTTOM RETURN
WIDTH
11/16
[17.5]
11/16
[17.5]
B
OUTLET WIDTH
A
22
[558.3] (BOTH SIDES)
14 13/16
[376.3]
35
[889.0]
5/8
[15.8]
1 5/16
[33.3]
29 1/2
[749.3]
19 1/8
[485.8]
20 5/8
[522.7]
23 7/16
[595.6]
[101.6]
4
[63.5]
2 1/2
18 1/16
[458.6]
2 1/2
[63.5] 4
[101.6]
20 5/8
[522.7]
BOTTOM INLET
21 5/8
[549.5]
6 1/16
[154.0]
PART NUMBER
SD5024-4
SHT
1
REV
E
NEXT SHEET
2
VENT
AIR INTAKE
AIR FLOW AIR FLOW
SIDE INLET
SIDE INLET
CONDENSATE DRAIN TRAP LOCATION
NOTE: ALL DIMENSIONS IN INCH [MM]
[22.2]
7/8
7/8
[22.2] POWER CONN
AIR FLOW
SEE NOTE #3
NOTES: 1. Doors may vary by model. 2. Minimum return-air openings at furnace, based on metal duct. If ex duct is used, see ex duct manufacturer's recommendations for equivalent diameters. a. For 800 CFM-16-in. (406 mm) round or 14 1/2 x 12-in. (368 x 305 mm) rectangle. b. For 1200 CFM-20-in. (508 mm) round or 14 1/2 x 19 1/2-in. (368 x 495 mm) rectangle. c. For 1600 CFM-22-in. (559 mm) round or 14 1/2 x 22 1/16-in. (368 x 560mm) rectangle. d. Return air above 1800 CFM at 0.5 in. w.c. ESP on 24.5" casing, requires one of the following congurations: 2 sides, 1 side and a bottom or bottom only. See Air Delivery table in this document for specic use to allow for sucient airow to the furnace. 3. Vent and Combustion air pipes through blower compartment must use accessory “Vent Kit - Through the Cabinet”. See accessory list for current part number.
TOP VIEW
A12267
925TA
FURNACE SIZE
A B C D SHIP WT.
LB (KG)
CABINET WIDTH OUTLET WIDTH BOTTOM INLET WIDTH AIR INTAKE
30040 14--- 3/16 (361) 12--- 1/2 (319) 12--- 9/16 (322) 7--- 1/8 (181) 125.0 (56.2)
42060 17--- 1/2 (445) 15--- 7/8 (403) 16 (406) 8--- 3/4 (222) 146.0 (65.7)
48080 156.0 (70.2)
60080 21 (533) 19--- 3/8 (492) 19--- 1/2 (495) 10--- 1/2 (267) 160.5 (73.0)
60100 170.5 (76.7)
66120 24--- 1/2 (622) 22--- 7/8 (581) 23 (584) 12--- 1/4 (311) 194.5 (87.5)
925TA

15
GUIDE SPECIFICATIONS
General
System Description
Furnish a ______________________ 4--way multipoise gas--fired
two--stage condensing furnace for use with natural gas or propane
(factory-- authorized conversion kit required for propane); furnish
external media cabinet for use with accessory media filter or
standard filter.
Quality Assurance
Unit will be designed, tested and constructed to the current ANSI Z
21.47/CSA 2.3 design standard for gas--fired central furnaces.
Unit will be third party certified by CSA to the current ANSI Z
21.47/CSA 2.3 design standard for gas--fired central furnaces. Unit
will carry the CSA Blue StarRand Blue FlameRlabels. Unit
efficiency testing will be performed per the current DOE test
procedure as listed in the Federal Register.
Unit will be certified for capacity and efficiency and listed in the
latest AHRI Consumer’s Directory of Certified Efficiency Ratings.
Unit will carry the current Federal Trade Commission Energy
Guide efficiency label.
Delivery, Storage, and Handling
Unit will be shipped as single package only and is stored and
handled per unit manufacturer’s recommendations.
Warranty (for inclusion by specifying engineer)
U.S. and Canada only. Warranty certificate available upon request.
Equipment
Blower Wheel and ECM Blower Motor
Galvanized blower wheel shall be centrifugal type, statically and
dynamically balanced. Blower motor of ECM type shall be
permanently lubricated with sealed ball bearings, of _______hp,
and have multiple speeds from 600--1200 RPM operating only
when 24--VAC motor inputs are provided. Blower motor shall be
direct drive and soft mounted to the blower housing to reduce
vibration transmission.
Filters
Furnace shall have reusable--type filters. Filter shall be ______ in.
(mm) X ________ in. (mm). An accessory highly efficient Media
Filter is available as an option. _____________ Media Filter.
Casing
Casing shall be of .030 in. thickness minimum, pre--painted
galvanized steel.
Draft Inducer Motor
Draft inducer motor shall be two--speed PSC design.
Primary Heat Exchangers
Primary heat exchangers shall be 3--Pass corrosion--resistant
aluminized steel of fold--and--crimp sectional design and applied
operating under negative pressure.
Secondary Heat Exchangers
Secondary heat exchangers shall be of a stainless steel
flow--through of fin--and--tube design and applied operating under
negative pressure.
Controls
Controls shall include a micro--processor--based integrated
electronic control board with at least 16 service troubleshooting
codes displayed via diagnostic flashing LED light on the control, a
self--test feature that checks all major functions of the furnace, and
a replaceable automotive--type circuit protection fuse. Multiple
operational settings available, including blower speeds for low
heat, high heat, low cooling, high cooling and continuous fan.
Continuous fan speed may be adjusted from the thermostat.
Features will also include temporary reduced airflow in the cooling
mode for improved dehumidification when a T6--PRH is selected
as the thermostat.
Operating Characteristics
Heating capacity shall be _________________ Btuh input;
______________ Btuh output capacity.
Fuel Gas Efficiency shall be __________ AFUE.
Air delivery shall be ________________ cfm minimum at 0.50 in.
W.C. external static pressure.
Dimensions shall be: depth_________in. (mm); width
__________in. (mm); height___________in. (mm) (casing only).
Height shall be _________in. (mm) with A/C coil and
_________________in. (mm) overall with plenum.
Electrical Requirements
Electrical supply shall be 115 volts, 60 Hz, single--phase (nominal).
Minimum wire size shall be ________AWG; maximum fuse size
of HACR--type designated circuit breaker shall be _________
amps.
Special Features
Refer to section of the product data identifying accessories and
descriptions for specific features and available enhancements.
925TA

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
E2012 Bryant Heating & Cooling Systems D7310 W. Morris St. DIndianapolis, IN 46231 Edition Date: 09/12
Replaces: PDS925TA--- 03
Catalog No. PDS925T
A
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925TA