Operating instructions
Table 11--Dry Coil Air Delivery* - Horizontal Downflow Discharge -
Unit 48GS030-060 (Deduct 10 percent for 208 Volts)
230 AND 460 VOLT
Unit M_or E_ernalSt_ic P_ssure (in. wg)
Speed 0,O 0.1 0,2 0.3 0,4 0.5 0,6 0.7 0.8 0.9 1.0
WaHs 260 275 270 267 264 252 260 -- -- --
Low
Cfm 950 880 825 750 670 580 400 ....
WaHs 380 375 365 360 355 350 344 335 312 -- --
030 Med
Cfm 1220 1150 1090 1025 970 860 760 620 450 -- --
WaRs 485 475 470 460 455 445 437 430 415 385 --
High Cfm 1475 1440 1350 1275 1200 1125 1025 925 750 400 --
WaUs 576 566 556 538 512 497 481 466 450 435 --
Low
Cfm 1430 1403 1365 1263 1157 1068 973 900 827 704 --
Watts 680 671 660 624 604 620 602 558 534 512 496
036 Med
Cfm 1720 1630 1538 1439 1346 1267 1167 1126 1018 958 781
Watts 810 800 790 762 766 742 723 709 688 661 627
High Cfm 1800 1745 1660 1600 1547 1465 1360 1276 1163 967 876
Wa6s -- 675 660 650 640 630 620 610 595 580 --
Low
Cfm -- 1454 1387 1326 1275 1204 1142 1061 995 918 --
WaRs -- 866 655 825 795 778 765 750 735 718 700
042 Med
Cfm -- 1515 1458 1406 1350 1285 1224 1163 1091 1013 932
High WaRs -- -- -- 1000 950 925 910 890 875 855 833
Cfm -- -- -- 1551 1488 1424 1360 1296 1233 1146 1071
WaRs -- 727 712 700 688 666 644 622 595 569 --
Low cfm - 1678 1639 1600 1561 1500 1440 1379 1289 1198 -
wars - 853 836 621 807 762 756 730 699 667 640
048 Med
Cfm -- 1914 1870 1825 1780 1711 1642 1573 1470 1367 1270
High WaRs -- 979 959 943 927 697 868 838 802 766 736
Cfm -- 2150 2100 2050 2000 1922 1845 1767 1600 1535 1419
Watts 1033 949 864 836 822 608 772 737 705 674 642
Low
Cfrn 2105 2057 2009 1943 1909 1876 1823 1770 1698 1627 1531
WaRs 1084 1054 1024 994 971 055 928 997 867 635 803
060 Med
CfTn 2318 2248 2179 2110 2058 2000 1932 1885 1829 1740 1638
Watts -- -- 1184 1152 1120 1102 1084 1056 1029 997 965
High
Cfm -- -- 2349 2278 2207 2124 2041 2000 1960 1853 1745
* Air delivery values are without air filter and are for dry coil (See Table 14_8GS Wet Coil Pressure Drop).
NOTE: Deduct field-supplied air filter pressure drop and wet coil pressure drop to obtain exlemal static pressure available for ducting.
Table 12--Filter Pressure Drop (In. wg)
UNITSIZE RLTER SIZE CFM
500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 22(;0 2300
030 20 X 20 X 1 0,05 0.07 0.08 0,10 0.12 0.13 0,14 0.15
036 20 X 24 X 1 ....... 0.09 0.10 0,11 0.13 0.14 0.15 0.16
042, 648, 060 24 X 30 X 1 0.07 0.08 0.09 0.10 0.11 0.12 0,13 0.14 0.15 0.16 0,17 0,18
Failure to follow these warnings could result in serious injury:
I. FirsL turn off gas supply to the unit. Then turn off electrical
power to the unit and install lockout tag before performing
any maintenance or service on the unit.
2. Use extreme caution when removing panels and parts. As
with any mechanical equipment, personal injury can result
from sharp edges, etc.
3. Never place anything combustible either on, or in contact
with, the unit.
4. Should overheating occur or the gas supply fail to shut off,
turn off external main manual gas valve to the unit. Then
shut off electrical supply and install lockout tag.
tion when servicing.
The minimum maintenance requirements for this equipment are as
follows:
1. Inspect air filter(s) each month. Clean or replace when
necessary. Certain geographical locations may require more
frequent inspections.
2. Inspect indoor coil, outdoor coil, drain pan, and condensate
drain each cooling season for cleanliness. Clean at least once
per healing / cooling season or more often if needed.
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