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ALTITUDE ADJUSTMENT FACTOR TO CALCULATE MINIMUM
ROOM AREA
min adj
) is the product of the minimum room area specified in the serial plate and
adjustment factor AF, as shown in below formula
min adj
= A
min
(serial plate) * AF
Height in meters Height in feet Altitude Adjustment Factor (AF)
At sea level At sea level 1.00
1~200 1~660 1.02
200~400 660~1320 1.03
400~600 1320~1970 1.05
600~800 1970~2630 1.07
800~1000 2630~3290 1.09
1000~1200 3290~3940 1.11
1200~1400 3940~4600 1.13
1400~1600 4600~5250 1.15
1600~1800 5250~5910 1.17
1800~2000 5910~6570 1.19
2000~2200 6570~7220 1.21
2200~2400 7220~7880 1.24
2400~2600 7880~8540 1.26
2600~2800 8540~9190 1.29
2800~3000 9190~9850 1.31
3000~3200 9850~10500 1.34
The Indoor equipment mitigation requirements are calculated at sea level. For higher altitudes adjust
the minimum room area specified on or near the Serial Plate by the corresponding altitude adjustment
factor shown below. This table is provided as a reference.