Carrier WeatherMaster 48HC04 Service And Maintenance Instructions page 40

ELEVATION
72K BTUH
Orifice
FT M
Size
0 to
0 to
33 1
2,000
610
2,000
610 35 1
3,000
914 35 1
4,000
1
1219 36
5,000
1
1524 36
6,000
2
1829 37
7,000
2134 38 2
8,000
2438 38 2
9,000
2743 †40
10,000
3048 †41
11,000
3353 †42
12,000
3658 †42
13,000
3962 †43
14,000
4267 †43
ELEVATION
72K BTUH
Orifice
FT M
Size
0 to
0 to
51 4
2,000
610
2,000
610 51 4
3,000
914 52 4
4,000
1219 52 4
5,000
4
1524 52
6,000
4
1829 52
7,000
4
2134 53
8,000
2438 53 4
9,000
2743 53 4
10,000
3048 54 4
11,000
4
3353 54
12,000
4
3658 54
13,000
4
3962 55
14,000
4267 55 4
* 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
2
XX CRLPELEV002A00
XX 3 CRLPELEV003A00
XX 4 CRLPELEV004A00
Table 16 — Altitude Compensation* (Sizes 07-12)
125K BTUH
Input Orifice Input
(btu/hr) Size (btu/hr)
72,000 31 1 125,000
66,240 32 1 115,000
63,360 32 1 110,000
1
60,480 33 105,000
1
57,600 33 100,000
1
54,720 35 95,000
51,840 35 1 90,000
48,960 36 1 85,000
46,080 37 2 80,000
2
43,200 38 75,000
2
40,320 39 70,000
37,440 †41 65,000
34,560 †42 60,000
31,680 †43 55,000
125K BTUH
Input Orifice Input
(btu/hr) Size (btu/hr)
72,000 49 3 125,000
66,240 50 3 115,000
63,360 50 3 110,000
60,480 50 3 105,000
4
57,600 51 100,000
4
54,720 51 95,000
4
51,840 51 90,000
48,960 52 4 85,000
46,080 52 4 80,000
43,200 52 4 75,000
4
40,320 53 70,000
4
37,440 53 65,000
4
34,560 54 60,000
31,680 54 4 55,000
NATURAL GAS
NOMINAL HEAT INPUT
150K BTUH 180K BTUH
Orifice Input Orifice
Size (btu/hr) Size
32 1 150,000 31 1
33 1 138,000 32 1
35 1 132,000 32 1
1 1
35 126,000 33
1 1
35 120,000 33
1 1
36 114,000 33
36 1 108,000 35 1
36 1 102,000 36 1
37 2 96,000 37 2
2 2
38 90,000 38
2
†40 84,000 39
†40 78,000 †41
†41 72,000 †42
†41 66,000 †43
PROPANE GAS
NOMINAL HEAT INPUT
150K BTUH 180K BTUH
Orifice Input Orifice
Size (btu/hr) Size
50 3 150,000 48 3
51 4 138,000 49 3
51 4 132,000 49 3
51 4 126,000 49 3
4 3
51 120,000 50
4 3
52 114,000 50
4 3
52 108,000 50
52 4 102,000 51 4
53 4 96,000 51 4
53 4 90,000 52 4
4 4
53 84,000 52
4 4
53 78,000 53
4 4
53 72,000 53
55 4 66,000 54 4
40
224K BTUH
Input Orifice Input
(btu/hr) Size (btu/hr)
180,000 31 1 224,000
165,600 32 1 206,080
158,400 32 1 197,120
1
151,200 33 188,160
1
144,000 33 179,200
1
136,800 33 170,240
129,600 35 1 161,280
122,400 36 1 152,320
115,200 37 2 143,360
2
108,000 38 134,400
2
100,800 39 125,440
93,600 †41 116,480
86,400 †42 107,520
79,200 †43 98,560
224K BTUH
Input Orifice Input
(btu/hr) Size (btu/hr)
180,000 48 3 224,000
165,600 49 3 206,080
158,400 49 3 197,120
151,200 49 3 188,160
3
144,000 50 179,200
3
136,800 50 170,240
3
129,600 50 161,280
122,400 51 4 152,320
115,200 51 4 143,360
108,000 52 4 134,400
4
100,800 52 125,440
4
93,600 53 116,480
4
86,400 53 107,520
79,200 54 4 98,560
250K BTUH
Orifice Input
Size (btu/hr)
†30 250,000
†30 230,000
31 1 220,000
1
31 210,000
1
31 200,000
1
31 190,000
32 1 180,000
33 1 170,000
33 1 160,000
1
35 150,000
1
36 140,000
2
37 130,000
38 2 120,000
†40 110,000
250K BTUH
Orifice Input
Size (btu/hr)
46 3 250,000
47 3 230,000
47 3 220,000
48 3 210,000
3
48 200,000
3
48 190,000
3
49 180,000
49 3 170,000
50 3 160,000
50 3 150,000
4
51 140,000
4
51 130,000
4
52 120,000
53 4 110,000