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
AMVC8
M OD E L
AM V C800704BX **
AM V C80905CX **
AM V C81155CX **
B tuh Input (US ) High F ire
70,000
90,000
115,000
O utput (US ) High F ire
57,000
74,000
93,000
B tuh Input (US ) Low F ire
49,000
63,000
80,000
O utput (US ) Low F ire
39,200
50,400
64,000
A .F .U.E .
80%
80%
80%
Rated E x ternal S tatic (" w.c .)
.10 - .50
.10 - .50
.10 - .50
Tem perature Ris e (°F )
20 - 50
20 - 50
25 - 55
High S tage P res s ure S witc h Trip P oint (" w.c .)
-0.65
-0.60
-0.60
Low S tage P res s ure S witc h Trip P oint (" w.c .)
-0.30
-0.30
-0.30
B lower W heel (D" x W ")
10 x 8
10 x 10
10 x 10
B lower Hors epower
3/4
3/4
3/4
B lower S peeds
M ax CF M @ 0.5 E .S .P .
P ower S upply
115-60-1
115-60-1
115-60-1
M inim um Circ uit A m pac ity (M CA )
12.1
12.1
12.1
M ax im um O verc urrent Devic e
15
15
15
Trans form er (V A )
40
40
40
Heat A ntic ipator (A m ps )
0.7
0.7
0.7
P rim ary Lim it S etting (°F )
160
140
150
A ux iliary Lim it S etting (°F )
120
120
120
Rollout Lim it S etting (°F )
300
300
300
F an Delay O n Heating
30 s ec s .
30 s ec s .
30 s ec s .
O ff Heating *
150 s ec s .
150 s ec s .
150 s ec s .
F an Delay O n Cooling
5 s ec s .
5 s ec s .
5 s ec s .
O ff Cooling
45 s ec s .
45 s ec s .
45 s ec s .
F an Delay O n - F an O nly
5 s ec s .
5 s ec s .
5 s ec s .
G as S upply P res s ure (Natural/P ropane) (" w.c .)
7 / 11
7 / 11
7 / 11
M anifold P res s ure (Natural/P ropane) High S tage (" w.c .)
3.5 / 10
3.5 / 10
3.5 /10
M anifold P res s ure (Natural/P ropane) Low S tage ("w.c .)
1.9 / 6.0
1.9 / 6.0
1.9 / 6.0
O rific e S iz e (Natural/P ropane)
#43 / #55
#43 / #55
#43 / #55
Num ber of B urners
3
4
5
V ent Connec tor Diam eter (inc hes )
4
4
4
S hipping W eight (lbs .)
138
156
156
Refer to airflow c harts in this m anual.
* Off 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 .
