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MODEL
Btuh
Input (US)
Output (US)
Input (CAN)
Output (CAN)
A.F.U.E.
Rated External Static (WC)
Temperature Rise °F
ID Blower Pressure Switch Trip Point
Front Cover Pressure Switch Trip Point
Blower Wheel (D x W)"
Blower Horsepower
Blower Speeds
Max CFM @ 0.5 E.S.P.
Power Supply
Min. Circuit Ampacity (MCA)
Max. Overcurrent Device
Transformer (VA)
Heat Anticipator
Limit Setting °F
Aux. Limit °F.
Fan Delay Timings
On Heating
Off Heating *
On Cooling
Off Cooling
Gas Supply Pressure (Nat/LP)
Manifold Pressure (Nat/LP)
Orifice Size (Nat/LP)
Number of Burners
Vent Connector Diameter
Combustion Air Connector Diameter
Shipping Weight (lbs.)
* Off Heating - This fan delay timing is adjustable (60, 90, 120 or 180 seconds). 90 seconds as shipped.
1. These furnaces are manufactured for natural gas operation. Optional LP Conversion Kits are available to convert
to propane gas.
2. When these furnaces are installed at high altitude, the appropriate High Altitude orifice kit must be applied. This is
required due to the natural reduction in the density of both the gas fuel and combustion air as altitude increases. The
kit will provide the proper design certified input rate within the specified altitude range.
3. The total heat loss from the structure as expressed in TOTAL BTU/HR must be calculated by the manufactures
method of 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 Circulation Blower Amps) + I.D. Blower Amps.
FURNACE SPECIFICATIONS
GCCA045AX30 GCCA070AX30 GCCA070AX40 GCCA090AX40 GCCA090AX50 GCCA115AX50
46,000
69,000
43,000
65,400
46,000
69,000
43,000
65,400
92.0%
92.0%
.20 - .50
.20 - .50
35 - 65
35 - 65
-0.37
-0.37
-0.37
-0.37
11 x 6
11 x 7
1/3
1/2
4
4
1195
1366
115-60-1
115-60-1
9.0
8.9
15.0
15.0
40
40
0.7
0.7
170
170
160
160
30 secs.
30 secs.
90 secs.
90 secs.
5 sec.
5 sec.
45 secs.
45 secs.
7" / 11"
7" / 11"
3.5 " / 10"
3.5 " / 10"
#43 / #55
#43 / #55
2
3
2"
2"
2"
2"
132
145
69,000
92,000
63,300
87,500
69,000
92,000
63,300
87,500
92.0%
92.0%
.20 - .50
.20 - .50
35 - 65
40 - 70
-0.37
-0.37
-0.37
-0.37
11 x 9
11 x 9
1/2
1/2
4
4
1590
1581
115-60-1
115-60-1
8.9
8.9
15.0
15.0
40
40
0.7
0.7
170
150
160
160
30 secs.
30 secs.
90 secs.
90 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"
153
167
92,000
115,000
86,200
109,100
92,000
115,000
86,200
109,100
92.0%
92.0%
.20 - .50
.20 - .50
35 - 65
40 - 70
-0.37
-0.37
-0.37
-0.37
11 x 9
11 x 10
3/4
3/4
4
4
1987
1903
115-60-1
115-60-1
13.8
14.9
15.0
15.0
40
40
0.7
0.7
170
155
170
160
30 secs.
30 secs.
90 secs.
90 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"
176
188
15
Rev. 0
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