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Performance Table
The following table gives the air volume in cubic feet per minute that is required to provide the desired
temperature rise for a given heating input. Model IG has a maximum 7,000 CFM capacity.
Input
(MBH)
Output
(MBH)
Temperature Rise (ºF)
25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
100 80 2963 2469 2116 1852 1646 1481 1347 1235 1140 1058 988 926 871 823 780 741
150 120 4444 3704 3175 2778 2469 2222 2020 1852 1709 1587 1481 1389 1307 1235 1170 1111
200 160 5926 4938 4233 3704 3292 2963 2694 2469 2279 2116 1975 1852 1743 1646 1559 1481
250 200 7407 6173 5291 4630 4115 3704 3367 3086 2849 2646 2469 2315 2179 2058 1949 1852
300 240 8889 7407 6349 5556 4938 4444 4040 3704 3419 3175 2963 2778 2614 2469 2339 2222
350 280 10370 8642 7407 6481 5761 5185 4714 4321 3989 3704 3457 3241 3050 2881 2729 2593
400 320 11852 9877 8466 7407 6584 5926 5387 4938 4558 4233 3951 3704 3486 3292 3119 2963
500 400 14815 12346 10582 9259 8230 7407 6734 6173 5698 5291 4938 4630 4357 4115 3899 3704
600 480 NA 14815 12698 11111 9877 8889 8081 7407 6838 6349 5926 5556 5229 4938 4678 4444
700 560 NA NA 14815 12963 11523 10370 9428 8642 7977 7407 6914 6481 6100 5761 5458 5185
800 640 NA NA NA 14815 13169 11852 10774 9877 9117 8466 7901 7407 6972 6584 6238 5926
1050 840 NA NA NA NA NA NA 14141 12963 11966 11111 10370 9722 9150 8642 8187 7778
1200 960 NA NA NA NA NA NA NA 14815 13675 12698 11852 11111 10458 9877 9357 8889
Reference - Performance Table
®
Model IG / IGX Make-Up Air