FURNACE SPECIFICATIONS |
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| M O D E L | A C V C 90 70 4C X * | A C V C 90 90 5D X * |
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| B tuh Input (U S ) High F ire | 69,000 | 92,000 |
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| O utput (U S ) High F ire | 65,300 | 86,500 |
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| B tuh Input (U S ) Low F ire | 48,000 | 64,000 |
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| O utput (U S ) Low F ire | 45,000 | 60,100 |
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| A . F .U .E . | 93. 3% | 92. 7% |
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| R ated E x ternal S tatic (" w .c .) | .10 | .10 |
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| Tem perature Ris e (°F ) | 30 - 60 | 30 - 60 |
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| H igh S tage P res s ure S witc h Trip P oint (" w .c . ) |
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| Low S tage P res s ure S w itc h Trip P oint (" w . c .) |
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| F ront Cover P res s ure S witc h Trip P oint (" w .c ) |
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| B lower W heel (D " x W ") | 10 x 10 | 11 x 10 |
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| B lower H ors epower | 3/4 | 1 |
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| B lower S peeds | R efer to airflow c harts in this m anual. |
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| M ax C F M @ 0.5 E .S .P . |
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| P ow er S upply |
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| M inim um Circ uit A m pac ity (M CA ) | 14 .1 | 14 .4 |
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| M ax im um O verc urrent Devic e | 15 | 15 |
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| Trans form er (V A ) | 40 | 40 |
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| H eat A ntic ipator (A m ps ) | 0. 7 | 0 .7 |
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| P rim ary Lim it S etting (°F ) | 160 | 170 |
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| A ux iliary Lim it S etting (°F ) | 220 | 180 |
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| R ollout Lim it S etting (°F ) | 220 | 210 |
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| F an D elay O n H eating | 30 s ec s . | 30 s ec s . |
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| O ff Heating * | 150 s ec s . | 150 s ec s . |
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| F an D elay O n C ooling | 5 s ec s . | 5 s ec s . |
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| O ff Cooling | 45 s ec s . | 45 s ec s . |
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| F an D elay O n - F an O nly | 5 s ec s . | 5 s ec s . |
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| G as S upply P res s ure (N atural/P ropane) (" w .c .) | 7 / 11 | 7 / 11 |
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| M anifold P res s ure (N atural/P ropane) H igh S tage (" w . c . ) | 3 .5 / 10 | 3 .5 /10 |
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| M anifold P res s ure (N atural/P ropane) Low S tage ("w .c .) | 1. 9 / 6 .0 | 1 .9 / 6 .0 |
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| O rific e S iz e (N atural/P ropane) | #43 / #55 | #43 / #55 |
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| N um ber of B urners | 3 | 4 |
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| V ent Connec tor D iam eter (inc hes ) | 2 | 2 |
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| C om bus tion A ir Connec tor D iam eter (inc hes ) | 2 | 2 |
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| S hipping W eight (lbs .) | 157 | 172 |
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* O ff H e a tin g - Th is fa n d e la y tim in g is a d ju s ta b le (9 0 , 1 2 0 , 1 5 0 o r 1 8 0 s e co n d s ), 1 5 0 s e co n d s a s s h ip p e d .
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
4.Minimum Circuit Ampacity calculated as: (1.25 x Circulator Blower Amps) + I.D. Blower Amps.
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