Carrier WeatherMaster 48HC04 Service And Maintenance Instructions page 39

ELEVATION
Feet Meters
0 to 2,000
0-610
2,000
610
3,000
914
4,000
1219
5,000
1524
6,000
1829
7,000
2134
8,000
2438
9,000
2743
10,000
3048
11,000
3353
12,000
3658
13,000
3962
14,000
4267
ELEVATION
Feet Meters
0 to 2,000
0-610
2,000
610
3,000
914
4,000
1219
5,000
1524
6,000
1829
7,000
2134
8,000
2438
9,000
2743
10,000
3048
11,000
3353
12,000
3658
13,000
3962
14,000
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.
† Not included in kit. May be purchased separately through dealer.
ORIFICE ACC. KIT PN
1
XX CRLPELEV001A00
XX 2 CRLPELEV002A00
XX 3 CRLPELEV003A00
XX 4 CRLPELEV004A00
Table 15 — Altitude Compensation* (Sizes 04-06)
NATURAL GAS
72K BTUH
Orifice Size Input (btu/hr)
1
33 72,000
1
35 66,240
1
35 63,360
36 1 60,480
36 1 57,600
37 2 54,720
2
38 51,840
2
39 48,960
†40 46,080
†41 43,200
†42 40,320
†43 37,440
†43 34,560
2
44 31,680
PROPANE GAS
72K BTUH
Orifice Size Input (btu/hr)
51 4 72,000
51 4 66,240
52 4 63,360
4
52 60,480
4
52 57,600
4
52 54,720
53 4 51,840
53 4 48,960
53 4 46,080
4
54 43,200
4
54 40,320
4
54 37,440
55 4 34,560
†56 31,680
NOMINAL HEAT INPUT
115KBTUH
Orifice Size Input (btu/hr)
1
33 115,000
1
35 105,800
1
35 101,200
36 1 96,600
36 1 92,000
37 2 87,400
2
38 82,800
2
39 78,200
†40 73,600
†41 69,000
†42 64,400
†43 59,800
†43 55,200
2
44 50,600
NOMINAL HEAT INPUT
115K BTUH
Orifice Size Input (btu/hr)
50 3 115,000
51 4 105,800
51 4 101,200
4
51 96,600
4
51 92,000
4
52 87,400
52 4 82,800
52 4 78,200
53 4 73,600
4
53 69,000
4
53 64,400
4
54 59,800
54 4 55,200
55 4 50,600
39
150K BTUH
Orifice Size Input (btu/hr)
†30 150,000
†30 138,000
1
31 132,000
31 1 126,000
31 1 120,000
31 1 114,000
1
32 108,000
1
33 102,000
1
33 96,000
35 1 90,000
36 1 84,000
37 2 78,000
2
38 72,000
†40 66,000
150K BTUH
Orifice Size Input (btu/hr)
46 3 150,000
47 3 138,000
47 3 132,000
3
48 126,000
3
48 120,000
3
48 114,000
49 3 108,000
49 3 102,000
50 3 96,000
3
50 90,000
4
51 84,000
4
51 78,000
52 4 72,000
53 4 66,000