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SPECIFICATIONS
*
Gas input ratings are certified for elevations to 2000 ft. For elevations above 2000 ft, reduce ratings 2% for each 1000 ft above sea level. In Canada, derate
the unit 5% from 2000 to 4500 ft above sea level.
† Capacity and AFUE in accordance with U.S. Government DOE test procedures.
‡ Airflow shown is for top only return-air supply.
**
Permissible voltage limits for proper furnace operation.
†† Unit ampacity = 125% of largest component’s full load amps plus 100% of all other potential operating components (EAC, humidifier, etc.).
‡‡ Length shown is measured 1 way along wire path between unit and service panel for maximum 2% voltage drop.
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Required for installation on combustible floors when no coil box is used, or when any coil box other than a Bryant CD5 or CK5 cased coil is used.
ICS—Isolated Combustion System
UNIT SIZE 036080 048080 060080
RATINGS AND PERFORMANCE
Input Btuh
*
80,000 80,000 80,000
Output Capacity† ICS Downflow 75,000 75,000 75,000
AFUE%†
Nonweatherized ICS Downflow 90.0 90.0 90.0
Certified Temperature Rise Range °F 40—70 30—60 20—50
Certified External Static Pressure Heating 0.15 0.15 0.15
Cooling 0.50 0.50 0.50
Airflow CFM‡ Heating 1190 1285 1785
Cooling 1245 1525 1925
ELECTRICAL
Unit Volts—Hertz—Phase 115—60—1
Operating Voltage Range Min—Max
**
104—127
Maximum Unit Amps 7.6 10.0 14.1
Unit Ampacity†† 10.4 13.4 18.4
Minimum Wire Size 14 14 12
Maximum Wire Length (Ft)‡‡ 36 28 31
Maximum Fuse Size or Ckt Bkr Amps
(Time-Delay Fuse Recommended) 15 15 20
Transformer (24v) 40va
External Control Heating 12va
Power Available Cooling 21va
Air Conditioning Blower Relay Standard
CONTROLS
Limit Control SPST
Heating Blower Control (Off Delay) Factory Set at 135 Sec
Burners (Monoport) 4 4 4
Gas Connection Size 1/2-in. NPT
GAS CONTROLS
Gas Valve (Redundant/Gas Convertible) Manufacturer White-Rodgers
Min Inlet Pressure (In. wc) 4.5 (Natural Gas) 11.0 (Propane)
Max Inlet Pressure (In. wc) 13.6 (Natural and Propane Gases)
Ignition Device Hot Surface
BLOWER DATA
Direct-Drive Motor HP (Permanent Split Capacitor) 1/3 1/2 3/4
Motor Full Load Amps 5.8 7.9 11.1
RPM (Nominal)—Speeds 1075—4
Blower Wheel Diameter x Width (In.) 10 x 7 11 x 8 11 x 10
Filter Size (In.)—Permanent Washable (1) 16 x 25 x 1 (1) 20 x 25 x 1
FACTORY-AUTHORIZED AND LISTED, DEALER-INSTALLED OPTIONS
Downflow Base
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KGASB0201ALL
Vent Termination Kit (Bracket Only for 2 Pipes)
2-in.—KGAVT0101BRA
3-in.—KGAVT0201BRA
Concentric Vent Termination Kit (Single Exit)
2-in.—KGAVT0501CVT
3-in.—KGAVT0601CVT
Condensate Freeze Protection Kit KGAHT0101CFP
Electronic/Mechanical Air Cleaner Model AIRA or 902B or MACA
Humidifier Model HUM
Heat/Energy Recovery Ventilator Model VA3B, VB5B, VC5B, or VL3A