Carrier 48TC series, Service And Maintenance Instructions, Page: 43 / 112

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.
XX 1 = CRNGELEV001A00
XX 2 = CRNGELEV002A00
XX 3 = CRLPELEV006A00
XX 4 = CRLPELEV006A00
XX 5 = CRLPKIT9001A00
Table 16 — Altitude Compensation* (17 - 30) – Natural Gas
NATURAL GAS NOMINAL HEAT INPUT
ELEVATION 220k BTUH 310k BTUH 400k BTUH
Feet Meters Orifice Size
Input
(btu/hr)
Orifice Size
Input
(btu/hr)
Orifice Size
Input
(btu/hr)
0 - 2000 0-610 30 220,000 30 310,000 30 400,000
2,000 610 30 202,400 30 285,200 30 368,000
3,000 914 31
1
193,600 31
1
272,800 31
1
352,000
4,000 1219 31
1
184,800 31
1
260,400 31
1
336,000
5,000 1524 31 1 176,000 31 1 248,000 31 1 320,000
6,000 1829 31
1
167,200 31
1
235,600 31
1
304,000
7,000 2134 32
1
158,400 32
1
223,200 32
1
288,000
8,000 2438 32 1 149,600 32 1 210,800 32 1 272,000
9,000 2743 34
1
140,800 34
1
198,400 34
1
256,000
10,000 3048 35
2
132,000 35
1
186,000 35
1
240,000
11,000 3353 37
2
123,200 37
2
173,600 37
2
224,000
12,000 3658 37
2
114,400 37
2
161,200 37
2
208,000
13,000 3962 39 2 105,600 39 2 148,800 39 2 192,000
14,000 4267 39
2
96,800 39
2
136,400 39
2
176,000
Table 17 — Altitude Compensation* (17 - 30) – Propane Gas
Propane GAS NOMINAL HEAT INPUT
ELEVATION 220k BTUH 310k BTUH 400k BTUH
Feet Meters Orifice Size
Input
(btu/hr)
Orifice Size
Input
(btu/hr)
Orifice Size
Input
(btu/hr)
0 - 2000 0-610 48
5
220,000 48
5
310,000 48
5
400,000
2,000 610 49
3
202,400 49
3
285,200 49
3
368,000
3,000 914 49 3 193,600 49 3 272,800 49 3 352,000
4,000 1219 49
3
184,800 49
3
260,400 49
3
336,000
5,000 1524 50
3
176,000 50
3
248,000 50
3
320,000
6,000 1829 50
3
167,200 50
3
235,600 50
3
304,000
7,000 2134 50
3
158,400 50
3
223,200 50
3
288,000
8,000 2438 51 3 149,600 51 3 210,800 51 3 272,000
9,000 2743 51
3
140,800 51
3
198,400 51
3
256,000
10,000 3048 52
4
132,000 52
4
186,000 52
4
240,000
11,000 3353 52 4 123,200 52 4 173,600 52 4 224,000
12,000 3658 53
4
114,400 53
4
161,200 53
4
208,000
13,000 3962 53
4
105,600 53
4
148,800 53
4
192,000
14,000 4267 53
4
96,800 53
4
136,400 53
4
176,000