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FURNACE SPECIFICATIONS
MODEL
BTUH
Natural Gas Input (High Fire)
Natural Gas Output (High Fire)
LP Gas Input (High Fire)
LP Gas Output (High Fire)
A.F.U.E.
Rated External Static (" w.c.)
Temperature Rise (°F)
ID Blower Pressure Switch Trip Point (" w.c.)
Front Cover Pressure Switch Trip Point (" w.c.)
Blower Wheel (D" x W")
Blower Horsepower
Blower Speeds
Max CFM @ 0.5 E.S.P.
Power Supply
Minimum Circuit Ampacity (MCA)
Maximum Overcurrent Device
Transformer (VA)
Primary Limit Setting (°F)
Auxiliary Limit Setting (°F)
Rollout Limit Setting (°F)
Fan Delay On Heating
(3)
Off Heating
Fan Delay On Cooling
Off Cooling
Gas Supply Pressure (Natural/Propane) ("w.c.)
Manifold Pressure (Natural/Propane) ("w.c.)
Orifice Size (Natural/Propane)
Number of Burners
Vent Connector Diameter (inches)
Combustion Air Connector Diameter (inches)
Shipping Weight (lbs.)
NOTE: Low fire inpu t is 70% of high fire input
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
*MVC950453
BX*
45,000
43,200
40,500
38,900
96.1%
.20 - .50
30 - 60
-0.75
-0.10
10 x 8
1/2
115-60-1
(1)
11.3
(2)
15.0
40
145
150
170
30 secs.
150 secs.
5 sec
45 secs.
7 / 11
3.5 / 10
43 / 55
2
(4)
2
(5)
2
123
*MVC950704
*MVC950905
CX*
CX*
68,000
90,000
65,300
86,500
61,200
81,000
58,800
77,800
96.1%
96.1%
.20 - .50
.20 - .50
30 - 60
30 - 60
-0.75
-1.40
-0.10
-0.10
10 x 10
11 x 10
3/4
1
Refer to Blower CFM Charts
115-60-1
115-60-1
14.1
14.4
15.0
15.0
40
40
155
130
190
180
200
200
30 secs.
30 secs.
150 secs.
150 secs.
5 sec
5 sec
45 secs.
45 secs.
7 / 11
7 / 11
3.5 / 10
3.5 / 10
43 / 55
43 / 55
3
4
2
2
2
2
142
150
A/GMVC95
*MVC950905
*MVC951155
DX*
DX*
90,000
113,000
86,500
108,600
81,000
101,700
77,800
97,700
96.1%
96.1%
.20 - .50
.20 - .50
30 - 60
35 - 65
-1.10
-1.10
-0.10
-0.10
11 x 10
11 x 10
1
1
115-60-1
115-60-1
14.4
14.4
15.0
15.0
40
40
145
150
180
200
190
200
30 secs.
30 secs.
150 secs.
150 secs.
5 sec
5 sec
45 secs.
45 secs.
7 / 11
7 / 11
3.5 / 10
3.5 / 10
43 / 55
43 / 55
4
5
2
2
2
2
155
165
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