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Table 8 — Dry Coil Air Delivery* — Horizontal Discharge (Deduct 10% for 208 v) — Unit 50SS
UNIT
SIZE
MOTOR
SPEED
230 AND 460 V HORIZONTAL DISCHARGE
External Static Pressure (in. wg)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
018
Low
Watts 230 225 220 210 195 170 —————
Cfm760745725695640540—————
High
Watts ————270235200————
Cfm————850700450————
024
Low
Watts 280 275 265 255 250 245 240 ————
Cfm820810755700660600560————
Med
Watts 365 360 350 345 340 330 320 310 300 — —
Cfm 1025 1010 975 940 900 850 800 720 630 — —
High
Watts — — 490 480 470 460 445 430 410 390 380
Cfm — — 1300 1255 1200 1150 1080 1005 915 790 620
030
Low
Watts — 460 450 420 400 380 360 335 — — —
Cfm — 1240 1190 1125 1060 995 920 840 — — —
Med
Watts — — — 480 460 435 410 375 — — —
Cfm — — — 1280 1200 1115 1020 910 — — —
High
Watts —————560530510490460—
Cfm—————1270 1180 1080 1000 870 —
036
Low
Watts 470 460 455 445 430 415 400 380 350 — —
Cfm 1280 1250 1230 1200 1150 1100 1050 980 890 — —
Med
Watts 550 535 520 500 480 460 440 410 385 — —
Cfm 1500 1450 1400 1330 1270 1190 1120 1030 940 — —
High
Watts ————625595550520500470425
Cfm————1540 1440 1325 1220 1110 1000 800
042
Low
Watts 730 700 680 645 615 580 535 490 430 — —
Cfm 1620 1590 1550 1510 1460 1390 1310 1210 1050 — —
High
Watts —————850800750700650610
Cfm—————1780 1670 1550 1400 1230 1050
048
Low
Watts 1080 1040 1020 970 910 840 785 730 680 620 540
Cfm 2100 2090 2080 2060 1980 1900 1810 1710 1590 1450 1200
High
Watts 1230 1190 1125 1060 1010 940 880 820 760 710 660
Cfm 2390 2340 2280 2210 2150 2030 1900 1770 1630 1480 1300
060
Low
Watts 1150 1100 1050 1010 950 900 850 800 730 650 —
Cfm 2500 2410 2330 2260 2170 2080 1990 1880 1750 1580 —
High
Watts —————117011101050 990 920 880
Cfm—————2470 2340 2200 2040 1870 1700
*Air delivery values are based on operating voltage of 230 v or
460 v, dry coil, without filter or electric heater. Deduct wet coil, filter,
and electric heater pressure drops to obtain external static pressure
available for ducting.
NOTES:
1. Do not operate the unit at a cooling airflow that is less than
350 cfm for each 12,000 Btuh of rated cooling capacity. Evapo-
rator coil frosting may occur at airflows below this point.
2. Dashes indicate portions of table that are beyond the blower mo-
tor capacity or are not recommended.
36