4 altitude, Table 3 altitude conversion—feet to meters, Altitude – Liebert STS2 User Manual
Page 14: Recommended derating for high altitude operation, Figure 2, Table 3, Altitude conversion—feet to meters, Max. ambi ent t emperature, Altitude—feet °f (°c)
Location Considerations
6
2.4
Altitude
The standard units are designed for full load operation up to 4000 feet (1200m) above sea level. See
Figure 1 for recommended deratings for altitudes greater than 4000 feet (1200m).
Figure 1
Recommended derating for high altitude operation
Operation at full load at a higher altitude can be accommodated in ambient temperatures less than
104°F (40°C) ambient. Figure 2 shows the maximum allowable ambient temperature for full load
operation at altitudes above 4000 feet (1200m).
Figure 2
Maximum ambient temperature for full load operation at higher altitudes
Table 3
Altitude conversion—feet to meters
Feet = Meters
4000 = 1200
7500 = 2286
4500 = 1372
8000 = 2438
5000 = 1524
8500 = 2591
5500 = 1676
9000 = 2743
6000 = 1829
9500 = 2896
6500 = 1981
10000 = 3048
7000 = 2134
100
98
96
94
92
90
88
86
90
00
Rating (%)
10
000
95
00
85
00
80
00
75
00
70
00
65
00
60
00
55
00
50
00
45
00
40
00
0
Max. Ambi
ent T
emperature
104.0 (40)
102.2 (39)
100.4 (38)
98.6 (37)
96.8 (36)
95.0 (35)
93.2 (34)
94.1 (33)
89.6 (32)
87.8 (31)
86.0 (30)
0
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
9000
9500
10000
Altitude—Feet
°F (°C)