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FURNACE SPECIFICATIONS
1. These furnaces are manufactured for natural gas operation. Optional Kits are available for conversion to propane gas operation.
2. For elevations above 2000 ft. the rating should be reduced by 4% for each 1000 ft. above sea level. The furnace must not be
derated, orifice changes should only be made if necessary for altitude.
3. The total heat loss from the structure as expressed in TOTAL BTU/HR must be calculated by the manufactures method in
accordance with the "A.S.H.R.A.E. GUIDE" or "MANUAL J-LOAD CALCULATIONS" published by the AIR CONDITIONING
CONTRACTORS OF AMERICA. The total heat loss calculated should be equal to or less than the heating capacity. Output
based on D.O.E. test procedures, steady state efficiency times output.
4. Minimum Circuit Ampacity calculated as: (1.25 x Circulator Blower Amps) + I.D. Blower Amps.
14
ACV9
MODEL
ACV90704CX* ACV90905DX*
Btuh Input (US) High Fire 69,000 92,000
Output (US) High Fire 65,300 86,500
Btuh Input (US) Low Fire 48,000 64,000
Output (US) Low Fire 45,000 60,100
A.F.U.E. 93.3% 92.7%
Rated External Static (" w.c.) .10 - .50 .10 - .50
Temperature Rise (°F) 30 - 60 30 - 60
High Stage Pressure Switch Trip Point (" w.c.) -0.55 -0.55
Low Stage Pressure Switch Trip Point (" w.c.) -0.20 -0.20
Front Cover Pressure Switch Trip Point (" w.c) -0.37 -0.37
Blower Wheel (D" x W") 10 x 10 11 x 10
Blower Horsepower 3/4 1
Blower Speeds
Max CFM @ 0.5 E.S.P.
Power Supply 115-60-1 115-60-1
Minimum Circuit Ampacity (MCA) 12.8 14.6
Maximum Overcurrent Device 15 15
Transformer (VA) 40 40
Heat Anticipator (Amps) 0.7 0.7
Primary Limit Setting (°F) 160 170
Auxiliary Limit Setting (°F) 220 180
Rollout Limit Setting (°F) 220 210
Fan Delay On Heating 30 secs. 30 secs.
Off Heating * 150 secs. 150 secs.
Fan Delay On Cooling 5 secs. 5 secs.
Off Cooling 45 secs. 45 secs.
Fan Delay On - Fan Only 5 secs. 5 secs.
Gas Supply Pressure (Natural/Propane) (" w.c.) 7 / 11 7 / 11
Manifold Pressure (Natural/Propane) High Stage (" w.c.) 3.5 / 10 3.5 /10
Manifold Pressure (Natural/Propane) Low Stage ("w.c.) 1.9 / 6.0 1.9 / 6.0
Orifice Size (Natural/Propane) #43 / #55 #43 / #55
Number of Burners 3 4
Vent Connector Diameter (inches) 2 2
Combustion Air Connector Diameter (inches) 2 2
Shipping Weight (lbs.) 157 172
Refer to airflow charts on pages
15-19.
* Off Heating - This fan delay timing is adjustable (90, 120, 150 or 180 seconds), 150 seconds as shipped.