Carrier 48TC 04 Series Service And Maintenance Instructions page 55

Table 18 – Altitude Compensation* Models 48TC04- - 07 (D, E, F, S, R, T)
ELEVATION
Feet
0 --- 2000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
* 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
1
XX
2
XX
3
XX
4
XX
NATURAL GAS
72k BTUH
Orifice Input
Meters
Size (btu/hr)
1
0 --- 610 33 72,000
1
610 35 66,240
1
914 35 63,360
1
1219 36 60,480
1
1524 36 57,600
2
1829 37 54,720
2
2134 38 51,840
2
2438 39 48,960
2743 †40 46,080
3048 †41 43,200
3353 †42 40,320
3658 †43 37,440
3962 †43 34,560
2
4267 44 31,680
ACC. KIT PN
CRLPELEV001A00
CRLPELEV002A00
CRLPELEV003A00
CRLPELEV004A00
NOMINAL HEAT INPUT
115k BTUH
Orifice Input Orifice
Size (btu/hr) Size
1
33 115,000 †30
1
35 105,800 †30
1 1
35 101,200 31
1 1
36 96,600 31
1 1
36 92,000 31
2 1
37 87,400 31
2 1
38 82,800 32
2 1
39 78,200 33
1
†40 73,600 33
1
†41 69,000 35
1
†42 64,400 36
2
†43 59,800 37
2
†43 55,200 38
2
44 50,600 †40
55
150k BTUH
Input
(btu/hr)
150,000
138,000
132,000
126,000
120,000
114,000
108,000
102,000
96,000
90,000
84,000
78,000
72,000
66,000