Carrier 48TC 17 Series Service And Maintenance Instructions page 48

NATURAL GAS
ELEVATION
Feet Meters
0 - 2000
0-610
2000 610
3000 914
4000 1219
5000 1524
6000 1829
7000 2134
8000 2438
9000 2743
10000 3048
11000 3353
12000 3658
13000 3962
14000 4267
PROPANE GAS
ELEVATION
Feet Meters
0 - 2000
0-610
2000 610
3000 914
4000 1219
5000 1524
6000 1829
7000 2134
8000 2438
9000 2743
10000 3048
11000 3353
12000 3658
13000 3962
14000 4267
* As the height above sea level increases, there is less oxygen per cubic ft. of air. Therefore, heat input rate should be reduced
at higher altitudes.
1
XX = CRNGELEV001A00
2
XX = CRNGELEV002A00
3
XX = CRLPELEV006A00
4
XX = CRLPELEV006A00
5
XX = CRLPKIT9001A00
Table 15 – Altitude Compensation* (17 − 30) – Natural Gas
220k BTUH
Orifice Input
Size (btu/hr)
30 220,000
30 202,400
1
31 193,600
1
31 184,800
1
31 176,000
1
31 167,200
1
32 158,400
1
32 149,600
1
34 140,800
2
35 132,000
2
37 123,200
2
37 114,400
2
39 105,600
2
39 96,800
Table 16 – Altitude Compensation* (17 − 30) – Propane Gas
220k BTUH
Orifice Input
Size (btu/hr)
5
48 220,000
3
49 202,400
3
49 193,600
3
49 184,800
3
50 176,000
3
50 167,200
3
50 158,400
3
51 149,600
3
51 140,800
4
52 132,000
4
52 123,200
4
53 114,400
4
53 105,600
4
53 96,800
NOMINAL HEAT INPUT
310k BTUH
Orifice Input
Size (btu/hr)
30 310,000
30 285,200
1
31 272,800
1
31 260,400
1
31 248,000
1
31 235,600
1
32 223,200
1
32 210,800
1
34 198,400
1
35 186,000
2
37 173,600
2
37 161,200
2
39 148,800
2
39 136,400
NOMINAL HEAT INPUT
310k BTUH
Orifice Input
Size (btu/hr)
5
48 310,000
3
49 285,200
3
49 272,800
3
49 260,400
3
50 248,000
3
50 235,600
3
50 223,200
3
51 210,800
3
51 198,400
4
52 186,000
4
52 173,600
4
53 161,200
4
53 148,800
4
53 136,400
48
400k BTUH
Orifice Input
Size (btu/hr)
30 400,000
30 368,000
1
31 352,000
1
31 336,000
1
31 320,000
1
31 304,000
1
32 288,000
1
32 272,000
1
34 256,000
1
35 240,000
2
37 224,000
2
37 208,000
2
39 192,000
2
39 176,000
400k BTUH
Orifice Input
Size (btu/hr)
5
48 400,000
3
49 368,000
3
49 352,000
3
49 336,000
3
50 320,000
3
50 304,000
3
50 288,000
3
51 272,000
3
51 256,000
4
52 240,000
4
52 224,000
4
53 208,000
4
53 192,000
4
53 176,000