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036-21335-002-A-1102
Unitary Products Group 9
TABLE 8: HOT WATER COIL CAPACITIES
1
UNIT
MODEL
HOT WATER
COIL MODEL
GPM CFM
ENTERING WATER TEMPERATURE MINUS ENTRY AIR TEMPERATURE °F.
70 90 110 130 150
LA300
1HW0406
50
6,000 204 263 325 384 443
8,000 236 304 372 440 508
10,000 265 341 416 492 568
12,000 291 374 457 540 623
LB360 50
8,000 236 304 372 440 508
10,000 265 341 416 492 568
12,000 291 374 457 540 623
14,000 315 405 495 585 675
LB480
1HW0407
75
12,800 348 447 547 646 746
16,000 389 500 611 722 833
19,200 425 547 668 790 911
LB600 75
16,000 389 500 611 722 833
20,000 436 561 686 810 935
24,000 473 610 746 882 1,019
1.
These capacities do not include any blower motor heat.
NOTE: Temperature Water Drop (ºF) = (2 X MBH) / GPM.
TABLE 9: HOT WATER COIL CAPACITY CORRECTION AND PRESSURE DROP VS GPM
1
HOT WATER COIL MODEL GPM
PRESSURE DROP
PSI
CAPACITY CORRECTION
FACTOR
1HW0406
25 0.4 0.79
50 1.0 1.00
75 1.8 1.04
100 3.4 1.07
1HW0407
50 1.0 0.95
75 1.5 1.00
100 2.4 1.03
125 3.5 1.05
1.
For pressure drop in feet (water), multiply these values by 2.31.