Carrier 48TC 04 Series Service And Maintenance Instructions page 57

Table 20 – Altitude Compensation* Models 48TC08- - 14 (D, E, F, S, R, T)
ELEVATION
72k BTUH
Orifice
FT M
Size
1
0 --- 2000 0 --- 610 33
1
2000 610 35
1
3000 914 35
1
4000 1219 36
1
5000 1524 36
2
6000 1829 37
2
7000 2134 38
2
8000 2438 38
9000 2743 †40
10000 3048 †41
11000 3353 †42
12000 3658 †42
13000 3962 †43
14000 4267 †43
* 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
3
XX CRLPELEV003A00
4
XX CRLPELEV004A00
Table 21 – Altitude Compensation* Models 48TC08- - 14 (D, E, F, S, R, T)
ELEVATION
72k BTUH
Orifice
FT M
Size
4
0 --- 2000 0 --- 610 51
4
2000 610 51
4
3000 914 52
4
4000 1219 52
4
5000 1524 52
4
6000 1829 52
4
7000 2134 53
4
8000 2438 53
4
9000 2743 53
4
10000 3048 54
4
11000 3353 54
4
12000 3658 54
4
13000 3962 55
4
14000 4267 55
* 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
3
XX CRLPELEV003A00
4
XX CRLPELEV004A00
NATURAL GAS
125k BTUH
Input Orifice Input Orifice
(btu/hr) Size (btu/hr) Size
1
72,000 31 125,000 32
1
66,240 32 115,000 33
1
63,360 32 110,000 35
1
60,480 33 105,000 35
1
57,600 33 100,000 35
1
54,720 35 95,000 36
1
51,840 35 90,000 36
1
48,960 36 85,000 36
2
46,080 37 80,000 37
2
43,200 38 75,000 38
2
40,320 39 70,000 †40
37,440 †41 65,000 †40
34,560 †42 60,000 †41
31,680 †43 55,000 †41
PROPANE GAS
125k BTUH
Input Orifice Input Orifice
(btu/hr) Size (btu/hr) Size
3
72,000 49 125,000 50
3
66,240 50 115,000 51
3
63,360 50 110,000 51
3
60,480 50 105,000 51
4
57,600 51 100,000 51
4
54,720 51 95,000 52
4
51,840 51 90,000 52
4
48,960 52 85,000 52
4
46,080 52 80,000 53
4
43,200 52 75,000 53
4
40,320 53 70,000 53
4
37,440 53 65,000 53
4
34,560 54 60,000 53
4
31,680 54 55,000 55
NOMINAL HEAT INPUT
150k BTUH 180k BTUH
Input Orifice Input
(btu/hr) Size (btu/hr)
1 1
150,000 31 180,000
1 1
138,000 32 165,600
1 1
132,000 32 158,400
1 1
126,000 33 151,200
1 1
120,000 33 144,000
1 1
114,000 33 136,800
1 1
108,000 35 129,600
1 1
102,000 36 122,400
2 2
96,000 37 115,200
2 2
90,000 38 108,000
2
84,000 39 100,800
78,000 †41 93,600
72,000 †42 86,400
66,000 †43 79,200
NOMINAL HEAT INPUT
150k BTUH 180k BTUH
Input Orifice Input
(btu/hr) Size (btu/hr)
3 3
150,000 48 180,000
4 3
138,000 49 165,600
4 3
132,000 49 158,400
4 3
126,000 49 151,200
4 3
120,000 50 144,000
4 3
114,000 50 136,800
4 3
108,000 50 129,600
4 4
102,000 51 122,400
4 4
96,000 51 115,200
4 4
90,000 52 108,000
4 4
84,000 52 100,800
4 4
78,000 53 93,600
4 4
72,000 53 86,400
4 4
66,000 54 79,200
57
224k BTUH 250k BTUH
Orifice Input Orifice Input
Size (btu/hr) Size (btu/hr)
1
31 224,000 †30 250,000
1
32 206,080 †30 230,000
1 1
32 197,120 31 220,000
1 1
33 188,160 31 210,000
1 1
33 179,200 31 200,000
1 1
33 170,240 31 190,000
1 1
35 161,280 32 180,000
1 1
36 152,320 33 170,000
2 1
37 143,360 33 160,000
2 1
38 134,400 35 150,000
2 1
39 125,440 36 140,000
2
†41 116,480 37 130,000
2
†42 107,520 38 120,000
†43 98,560 †40 110,000
224k BTUH 250k BTUH
Orifice Input Orifice Input
Size (btu/hr) Size (btu/hr)
3 3
48 224,000 46 250,000
3 3
49 206,080 47 230,000
3 3
49 197,120 47 220,000
3 3
49 188,160 48 210,000
3 3
50 179,200 48 200,000
3 3
50 170,240 48 190,000
3 3
50 161,280 49 180,000
4 3
51 152,320 49 170,000
4 3
51 143,360 50 160,000
4 3
52 134,400 50 150,000
4 4
52 125,440 51 140,000
4 4
53 116,480 51 130,000
4 4
53 107,520 52 120,000
4 4
54 98,560 53 110,000