Carrier 48TC 04 Series, Service And Maintenance Instructions

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Table 17 – Altitude Compensation* Low NOx Models 48TC04--06 (L, M, N)
NATURAL GAS ONLY
NOMINAL HEAT INPUT
ELEVATION 60k BTUH 90k BTUH 120k BTUH
Feet Meters
Orifice
Size
Input
(btu/hr)
Orifice
Size
Input
(btu/hr)
Orifice
Size
Input
(btu/hr)
0 --- 2000 0 --- 610 38
2
60,000 38
2
90,000 32
1
120,000
2000 610 39
2
55,200 39
2
82,800 33
1
110,400
3000 914 †40 52,800 †40 79,200 33
1
105,600
4000 1219 †41 50,400 †41 75,600 35
1
100,800
5000 1524 †41 48,000 †41 72,000 35
1
96,000
6000 1829 †42 45,600 †42 68,400 36
1
91,200
7000 2134 †42 43,200 †42 64,800 36
1
86,400
8000 2438 †43 40,800 †43 61,200 37
2
81,600
9000 2743 †43 38,400 †43 57,600 38
2
76,800
10000 3048 44
2
36,000 44
2
54,000 †40 72,000
11000 3353 44
2
33,600 44
2
50,400 †41 67,200
12000 3658 45
2
31,200 45
2
46,800 †42 62,400
13000 3962 47
3
28,800 47
3
43,200 †43 57,600
14000 4267 48
3
26,400 48
3
39,600 †43 52,800
* 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
XX
1
XX
2
XX
3
XX
4
ACC. KIT PN
CRLPELEV001A00
CRLPELEV002A00
CRLPELEV003A00
CRLPELEV004A00
48TC