©Johnstone Supply eCatalog 216

REFRIGERATION EQUIPMENT Quick Selection Guide for BtuH Load

---------- +35° F. ----------

---------- 0° F. ----------

---------- -10° F. ----------

---------- -20° F. ----------

Dimensions in Feet 6 x 6 x 8 6 x 8 x 8 6 x 10 x 8 8 x 8 x 8 8 x 10 x 8 8 x 12 x 8 8 x 14 x 8 8 x 16 x 8 8 x 18 x 8 8 x 20 x 8 8 x 22 x 8 8 x 24 x 8 8 x 26 x 8 8 x 28 x 8 8 x 30 x 8 8 x 32 x 8 10 x 10 x 8 10 x 12 x 8 10 x 14 x 8 10 x 16 x 8 10 x 18 x 8 10 x 20 x 8 10 x 24 x 8 10 x 28 x 8 12 x 12 x 8 12 x 14 x 8 12 x 16 x 8 12 x 18 x 8 12 x 20 x 8 12 x 22 x 8 14 x 14 x 8 14 x 16 x 8 14 x 20 x 8 14 x 24 x 8 16 x 16 x 8 16 x 20 x 8 16 x 24 x 8 18 x 18 x 8 18 x 20 x 8 18 x 24 x 8 20 x 20 x 8 20 x 24 x 8 20 x 28 x 8 20 x 32 x 8 20 x 36 x 8 20 x 40 x 8 24 x 40 x 8 28 x 40 x 8 32 x 40 x 8 36 x 40 x 8 40 x 40 x 8

Floor Sq. Ft.

Avg. Usage 4,750 5,417 6,055 6,188 6,954 7,669 8,366 9,051 9,748 10,419 11,540 12,224 12,874 13,519 14,187 14,824 10,250 11,049 11,838 13,391 14,891 10,038 10,956 11,886 12,775 13,681 14,549 11,993 13,013 15,011 16,969 14,148 16,349 18,506 16,476 18,128 20,484 19,470 21,988 24,963 27,480 29,946 32,420 38,694 43,183 48,550 54,344 58,738 7,789 8,626 9,439

Hvy. Usage 6,389 7,274 8,100 8,291 9,269 10,174 11,045 11,888 12,732 13,548 14,807 15,622 16,398 17,163 17,947 18,694 10,339 11,385 12,384 13,379 14,349 15,299 17,180 19,822 13,021 14,155 15,284 16,359 17,440 18,474 15,423 16,656 19,042 21,347 18,019 20,631 23,157 20,782 22,644 25,389 24,145 27,132 30,480 33,340 36,127 38,904 45,735 50,733 56,318 62,804 67,611

Avg. Usage 4,583 5,225 5,806 5,934 6,631 7,273 7,922 8,528 9,169 9,755 10,817 11,386 11,976 12,530 13,108 13,653 10,279 10,942 12,751 14,043 10,235 11,029 11,807 12,573 13,299 11,126 11,995 13,687 15,330 12,939 14,777 16,563 14,864 16,305 18,260 17,386 19,453 21,963 23,954 25,919 27,888 34,681 38,123 42,894 46,254 49,583 8,991 7,386 8,138 8,887 9,577

Hvy. Usage 6,505 7,407 8,213 8,410 9,363

Avg. Usage 4,929 5,630 6,265 6,405 7,165 7,867 8,575 9,237 9,936 10,576 11,692 12,314 12,955 13,562 14,191 14,786 7,990 8,809 9,626 10,379 11,144 11,868 13,796 15,205 11,055 11,919 12,767 13,599 14,392 12,024 12,971 14,811 16,598 13,998 15,996 17,938 16,090 17,617 19,739 18,790 21,036 23,721 25,884 28,017 30,153 37,368 41,095 46,146 49,872 53,385 9,739

Hvy. Usage 7,041 8,028 8,911 9,127 10,169 11,123 12,059 12,933 13,852 14,682 15,977 16,769 17,573 18,336 19,115 19,855 11,304 12,401 13,493 14,484 15,472 16,405 18,721 20,482 13,655 15,251 16,375 17,464 18,524 19,541 16,521 17,745 20,088 22,324 19,067 21,598 24,017 21,724 23,523 26,149 24,982 27,755 30,922 33,529 36,077 38,603 46,538 50,921 56,580 60,781 64,916

Avg. Usage 5,274 6,034 6,725 6,876 7,699 8,461 9,227 9,946 10,702 11,397 12,567 13,242 13,935 14,594 15,274 15,920 10,365 11,182 12,009 12,794 14,842 16,367 10,486 11,875 12,810 13,726 14,626 15,485 12,923 13,946 15,935 17,866 15,056 17,215 19,313 17,317 18,930 21,219 20,194 22,619 25,479 27,813 30,115 32,518 39,939 43,950 49,282 53,194 57,070 8,594 9,481

Hvy. Usage 7,577 8,648 9,609 9,844 10,974 12,011 13,026 13,976 14,972 15,874 17,239 18,099 18,970 19,799 20,642 21,446 12,208 13,397 14,581 15,658 16,728 17,741 20,211 22,120 14,756 16,450 17,667 18,847 19,995 21,088 17,826 19,152 21,688 24,110 20,583 23,323 25,941 23,460 25,369 28,208 26,945 29,945 33,330 36,149 38,903 41,631 49,937 54,664 60,656 65,186 69,642

36 48 60 64 80 96

10,234 11,092 11,890 12,732 13,490 14,715 15,439 16,176 16,873 17,587 18,264 10,401 11,405 12,405 13,311 14,216 15,070 17,231 18,844 12,553 14,052 15,082 16,080 17,052 17,974 15,216 16,338 18,487 20,539 17,550 19,873 22,093 19,989 21,678 24,090 23,019 25,566 28,514 30,909 33,251 35,575 43,023 47,062 51,900 56,259 60,073

112 128 144 160 176 192 208 224 240 256 100 120 140 160 180 200 240 280 144 168 192 216 240 264 196 224 280 336 256 320 374 324 360 432 400 480 560 640 720 800 960

1120 1280 1440 1600

Tips For Quick Selection Guide Walk-in Cooler Box Load Parameters • 95°F ambient air temperature surrounding box • 4” Styrene (R = 16.7, K = .24) walls/ceiling, 6” concrete slab floor • Average product load with 5°F pulldown in 24 hrs • BtuH load based on 16 to 18 hour compressor run time for 35°F box (timer recommended) + 20 hours for 30°F box • See Table C for glass door load adjustment • For 80°F ambient temperature box deduct 12% • For 4” urethane walls & ceiling, 6” concrete slab floor, deduct 12% • For 10’ ceiling height add 10% • For additional BtuH load for product cooling, see Table A

Walk-in Freezer Box Load Parameters • 95°F ambient air temperature surrounding box • 4” urethane (R=25, K=0.16) walls, ceiling and floor • Avg. box load with 10°F pulldown in 24 hrs

• BtuH load based on 18 hour compressor run time • See Table C for adjustment to box load for glass doors • For 80°F ambient temperature box deduct 12% • For 20 hour compressor run time (light frost load) in lieu of 18 hour run time, deduct 11% • For 10 ft. ceiling height add 10% • For additional BtuH load for product freezing, refer to Table D

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