Easily removable slide-out blower design PSC multi-speed permanently lubricated blower motor for low maintenance and optimum efficiency

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Gas Furnaces PRODUCT SPECIFICATIONS INSTALLATION OPTIONS A vailable in Upflow/Horizontal and Counterflow models 80% AFUE 44,000 to 32,000 Btuh Input.

for smooth combustion CABINET CONSTRUCTION Unitized construction for cabinet integrity Bottom or side return air Baked on pre-painted steel cabinet finish Left or right side gas and electric entry

1 Gas Furnaces PRODUCT SPECIFICATIONS INSTALLATION OPTIONS A vailable in Upflow/Horizontal and Counterflow models 80% AFUE 44,000 to 32,000 Btuh Input.5 to 5 Tons Add-On Cooling HEAT EXCHANGER A luminized steel tapered design primary heat exchanger with crimped construction for long life BURNERS Upflow / Horizontal A luminized steel inshot burners for smooth combustion CABINET CONSTRUCTION Unitized construction for cabinet integrity Bottom or side return air Baked on pre-painted steel cabinet finish Left or right side gas and electric entry Less than 2% air leakage (meets ANSI/ASHRAE Standard ) BLOWER Easily removable slide-out blower design PSC multi-speed permanently lubricated blower motor for low maintenance and optimum efficiency Counterflow CONTROLS Single stage gas valve Integrated ignition and fan control board features self diagnostics Hot surface ignitor VENTING P ermanently lubricated draft motor is air cooled for long life L designated units comply with California s South Coast Air Quality Management District Low NOx requirements Warranty Heat Exchanger - 20 Year Limited Parts - 5 Year Limited

2 Model Number Identification 80 = AFUE AF = Aire-Flo UH = Upflow / Horizontal DF = Counterflow Heat Input 045 = 45,000 Btuh 070 = 70,000 Btuh 090 = 90,000 Btuh 0 = 0,000 Btuh 35 = 35,000 Btuh Specifications - Low Nox = -Stage UH045P2A UH045P2AL 80 AF UH 0 P 20 C L UH070P2A UH070P2AL UH090P2B UH090P6B UH090P6BL L = Low NO x Cabinet Width A = 4-/2 in. B = 7-/2 in. C = 2 in D = 24-/2 in. Nominal Airflow 08 = 800 cfm 2 = 200 cfm 6 = 600 cfm 20 = 2000 cfm P = PSC Direct Drive Blower Motor UH0P6C UH0P20C UH0P20CL Upflow / Horiz. Upflow / Horiz. Upflow / Horiz. Upflow / Horiz. Upflow / Horiz. Upflow / Horiz. Input Btuh 44,000 66,000 88,000 88,000 0,000 0,000 Output Btuh 35,000 54,000 7,000 7,000 89,000 89,000 AFUE (Isolated Comb. System) 80% 80% 80% 80% 80% 80% Temperature Rise ( F) Gas Pipe Size (in.) /2 /2 /2 /2 /2 /2 Flue Connection in. (diameter) Volts/Hertz/Phase 20/60/ 20/60/ 20/60/ 20/60/ 20/60/ 20/60/ Blower Motor Horsepower /3 /3 /3 /2 /2 Add-On Cooling (tons) Circuit Breaker or Fuse Full Load Amps Blower Wheel Size (Dia. x Width) 0 x 8 0 x 8 0 x 9 0 x 0 0 x 0 ½ x 0 Shipping Weight (lbs.) Specifications UH35P20D DF045P2A DF070P2A DF090P6B DF0P20C Upflow / Horiz. Counterflow Counterflow Counterflow Counterflow Input Btuh 32,000 44,000 66,000 88,000 0,000 Output Btuh 07,000 35,000 54,000 7,000 89,000 AFUE (Isolated Comb. System) 80% 80% 80% 80% 80% Temperature Rise ( F) Gas Pipe Size (in.) /2 /2 /2 /2 /2 Flue Connection in. (diameter) Volts/Hertz/Phase 20/60/ 20/60/ 20/60/ 20/60/ 20/60/ Blower Motor Horsepower /3 /3 /2 Add-On Cooling (tons) Circuit Breaker or Fuse Full Load Amps Blower Wheel Size (Dia. x Width) x 0 x 8 0 x 8 0 x 0 ½ x 0 Shipping Weight (lbs.)

3 Accessories - Upflow / Horizontal UH045P2A UH090P2B UH0P6C UH070P2A UH090P6B UH0P20C UH35P20D Upflow / Horizontal Upflow / Horizontal Upflow / Horizontal Upflow / Horizontal CABINET Horizontal Suspension Kit (Horizontal) 5W0 5W0 5W0 5W0 Return Air Base (Upflow) 68W6 68W62 68W63 68W64 FILTER KITS Air Filter and Horizontal (end) 87L95 (4 x 25 x ) 87L96 (8 x 25 x ) 87L97 (20 x 25 x ) 87L98 (25 x 25 x ) Rack Kit (Upflow/Horizontal Side Return Single 44J22 44J22 44J22 44J22 (Upflow) 0-pack 66K63 66K63 66K63 66K63 Size 6 x 25 x 6 x 25 x 6 x 25 x 6 x 25 x GAS HEATING High Altitude Pressure Switch Kit ft. No Change No Change No Change No Change ft. 80W52 (045, 070) 80W52 (090) 80W57 (0) 80W57 (35) 750-0,000 ft. 80W5 (045, 070) 80W5 (090) 80W52 (0) 80W5 (35) Natural to LP Conversion Kit ft. K49 K49 K49 K ,000 ft. K44 K44 K44 K44 LP to Natural Conversion Kit ft. 73W8 73W8 73W8 73W8 Natural Gas High Altitude Orifice Kit 750-0,000 ft. 73W37 73W37 73W37 73W37 NIGHT SERVICE KIT Night Service Kit 68W80 68W80 68W80 68W80 VENTING Vent Adaptor 6 in. conn. size upflow applications only 8M79 8M79 8M79 8M79 Cleanable polyurethane frame type filter. Accessories - Counterflow DF045P2A DF070P2A DF090P6B DF0P20C Counterflow Counterflow Counterflow CABINET Combustible Flooring Base (Counterflow) M59 M60 M6 FILTER KITS Air Filter and Rack Kit (Counterflow) 5W06 (() 20 x 6 x 5W07 (2) 20 x 20 x 5W08 (2) 20 x 20 x GAS HEATING High Altitude Pressure ft. 80W52 (045, 070) 80W52 (090) 80W57 (0) Switch Kit 750-0,000 ft. 80W5 (045, 070) 80W5 (090) 80W52 (0) Natural to LP Conversion Kit ft. K49 K49 K ,000 ft. K44 K44 K44 LP to Natural Conversion Kit ft. 73W8 73W8 73W8 LP High Altitude Orifice Kit 750-0,000 ft. 73W37 73W37 73W37 NIGHT SERVICE KIT Night Service Kit 68W80 68W80 68W80 Cleanable polyurethane frame type filter.

4 Blower Data UH045P2A UH070P2A UH090P2B UH090P6B UH0P6C UH0P20C Single Side Return Air - Air volumes in bold require field fabricated transition to accommodate 20 x 25 x in. air filter in order to maintain proper air velocity. Bottom Return Air, Side Return Air with Optional Return Air Base, Return Air from Both Sides or Return Air from Bottom and One Side. UH35P20D Single Side Return Air - Air volumes in bold require field fabricated transition to accommodate 20 x 25 x in. air filter in order to maintain proper air velocity. Bottom Return Air, Side Return Air with Optional Return Air Base, Return Air from Both Sides or Return Air from Bottom and One Side. Notes: Maximum approved external static pressure is 0.50 in. w.c. Blower External Static Pressure - in w.c. Less Filter Speed High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low

5 Blower Data DF045P2A (Counterflow) DF070P2A (Counterflow) DF090P6B (Counterflow) DF0P20C (Counterflow) Notes: Maximum approved external static pressure is 0.50 in. w.c. Blower External Static Pressure - in w.c. Less Filter Speed High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low High Med/High Med/Low Low Clearance to Combustibles (in.) UPFLOW / COUNTERFLOW POSITION Vent Type Type B Type C Sides 0 0 Rear 0 0 Top Front 2-/4 2-/4 Front (service/alcove) Floor Combustible Combustible Flue (25) 6 (52) NOTE Air for combustion must conform to the methods outlined in the National Fuel Gas Code (NFPA 54/ANSI-Z223.). NOTE In the U.S. flue sizing must conform to the methods outlined in the current National Fuel Gas Code (NFPA 54/ANSI-Z223.) or applicable provisions of local building codes. Left side requires 4 in. if single wall vent is used on 4-/2 in. cabinets, 2 in. on 7-/2 in. cabinets. HORIZONTAL POSITION Vent Type Type B Type C End 2 2 Rear 0 0 Top 0 0 Front 2-/4 2-/4 Front (service) Floor Combustible Combustible Flue 6 NOTE Air for combustion must conform to the methods outlined in the National Fuel Gas Code (NFPA 54/ANSI-Z223.). NOTE In the U.S. flue sizing must conform to the methods outlined in the current National Fuel Gas Code (NFPA 54/ANSI-Z223.) or applicable provisions of local building codes. Line contact installation permissible between jacket top or sides and building joists.

6 Dimensions - inches (mm) Upflow 3-/8 (79) NOTE - 20C and 20D size units that require second stage air volumes over 800 cfm (850 L/s) must have one of the following:. Single side return air with transition, to accommodate 20 x 25 x in. (508 x 635 x 25 mm) cleanable air filter. Required to maintain proper air velocity. 2. Single side return air with optional Return Air Base 3. Bottom return air. 4. Return air from both sides. 5. Bottom and one side return air. See Blower Performance Tables for additional information. FLUE OUTLET (Top) D SUPPLY OPENING 2 Flue outlet may be horizontal but furnace must be vented vertically 3 Optional External Side Return Air Filter Kit is not for use with the optional Return Air Base. 3 OPTIONAL EXTERNAL SIDE RETURN FILTER KIT 23- (603) TOP VIEW 25 (635) A B 9/6 (4) (9) Front Panel 3 (76) Right 6- (7) Left 3-/4 (83) 27- (705) 9-7/6 (494) 9/6 (4) 3 OPTIONAL EXTERNAL SIDE RETURN FILTER KIT 33 (838) 9-/8 (232) Right 8-5/8 (29) Left 5-3/8 (37) Right -9/6 (40) Left 2 FLUE OUTLET ELECTRICAL INLET GAS PIPING INLET 4- (375) 6 (406) ELECTRICAL INLET 23 (584) Side Return Air Opening 4 (356) -/2 (38) -5/6 (49) (9) C Bottom Return Air Opening (9) 5/8 (6) 3-/4 (83) 23-/2 (597) Bottom Return Air Opening A B C D in. mm in. mm in. mm in. mm UH045P2A UH070P2A 4-/ / UH090P2B UH090P6B 7-/ / /8 94 UH0P6C UH0P20C / / /8 238 UH35P20D 24-/ / /8 283

7 Dimensions - inches (mm) Horizontal Flue outlet may be from end but furnace must be vented vertically 9-/8 (232) Top 8-5/8 (29) Bottom FLUE OUTLET (Top) 3 (76) LEFT-HAND DISCHARGE GAS PIPING INLET (Top or Bottom) FLOW ELECTRICAL INLET (Top or Bottom) /6 (7) Front Panel Gas Furnaces 27- (705) 9/6 (4) (9) FLUE OUTLET (End) 6- (7) 5-3/8 (37) Top -9/6 (40) Bottom TOP VIEW 33 (838) (9) (9) 27- (705) 9/6 (4) 9-7/6 (494) SUPPLY OPENING B D A FLOW 4-/4 (08) A C 23-/2 (597) RETURN OPENING END VIEW 3-/8 (79) FRONT VIEW RIGHT-HAND DISCHARGE END VIEW ELECTRICAL INLET (Top or Bottom) FLOW GAS PIPING INLET (Top or Bottom) 6- (7) Flue outlet may be horizontal but furnace must be vented vertically FLUE OUTLET (Top) (9) Front Panel 3 (76) -5/8 (4) Top 5-3/8 (37) Bottom TOP VIEW 8 (203) Top 9-/8 (232) Bottom 27- (705) (9) 33 (838) FLUE OUTLET (End) (9) 27-3-/8 (705) (79) 23-/2 (597) RETURN OPENING C 4-/4 (08) A FLOW A D 9-7/6 (494) SUPPLY OPENING B 9/6 (4) END VIEW (9) FRONT VIEW END VIEW 9/6 (4) A B C D in. mm in. mm in. mm in. mm UH045P2A UH070P2A 4-/ / UH090P2B UH090P6B 7-/ / /8 94 UH0P6C UH0P20C / / /8 238 UH35P20D 24-/ / /8 283

8 Dimensions - in. (mm) Counterflow 3-/8 (79) 9/6 (4) D FLUE OUTLET (Top) B RETURN OPENING 9-7/6 (494) 9/6 (4) 9/6 (4) TOP VIEW A B 9/6 (4) (9) Front Panel 27- (705) 9-7/6 (494) 9/6 (4) FLOW 33 (838) 5-3/8 (37) Right 2-/8 (54) Left ELECTRICAL INLET GAS PIPING INLET 6-5/8 (68) Right 7-/8 (8) Left (9) C Supply Air (9) 9-/4 (489) Supply Air (9) FRONT VIEW SIDE VIEW A B C D in. mm in. mm in. mm in. mm DF045P2A DF070P2A 4-/ / DF090P6B 7-/ / /4 59 DF0P20C / /

12 Revisions Sections Product Specifications Description of Change Temperature Rise Ranges updated (/206) Aire-Flo Heating and Cooling, 206

Available in Upflow/Horizontal and Counterflow/Horizontal models

PRODUCT SPECIFICATIONS INSTALLATION OPTIONS Available in Upflow/Horizontal and Counterflow/Horizontal models 80% AFUE 50,000 to 25,000 Btuh Input.5 to 5 Tons Add-On Cooling HEAT EXCHANGER Aluminized steel