Operating Limits - Daikin Skyline OAH003GDAC Installation And Maintenance Manual

Operating Limits

Do not exceed the operating limits in
26. A fan wheel operated beyond the rpm and temperature
limits shown can suffer permanent distortion or fracture. The
resulting unbalance can cause severe unit vibration
Table 22: Unit Sizes 003 to 035
Forward curved—housed
Diameter 9 × 4
Maximum rpm Class I N/A
Maximum rpm Class Il 2700
Airfoil—housed
Diameter 13.22
Maximum rpm Class I 3000
Maximum rpm Class Il 4335
Table 23: Unit Sizes 040 to 090
Forward curved—housed
Diameter 20
Maximum rpm Class I 1010
Maximum rpm Class Il 1281
Airfoil—housed
Diameter 20
Maximum rpm Class I 2077
Maximum rpm Class Il 2703
Table 24: Operating Limits—Belt-Drive Plenum Fans
Belt-Drive Plenum Fans
Size 13
Maximum rpm Class II 3909
Maximum rpm Class III 4000
Table 25: Operating Limits—In-line Fans, Twin Fans
In-Line Fans
Diameter 18.25
Maximum rpm Class I 2727
Maximum rpm Class II 3409
Twin Fans
Diameter 9 × 9
Maximum rpm 2575
Maximum HP 10
Table 26: Operating Limits—Direct-Drive Plenum Fans
Belt-Drive Plenum Fans
Size 11
Maximum rpm Class II 4000 4000
Maximum rpm Class IlI —
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Table 22 through Table
9 × 7 9 × 9
2189 2223
2854 2896
14.56 16.19
3000 2300
3918 3457
22.38
930
1178
22.25
1875
2413
15 16 18 20
3468 2820 2930 2674
4000 3887 3735 3409
20 22.25 24.5
2488 2236 2041
3111 2796 2551
10.62 12.62 15
2400 2000 1700
15 15 30
12 13 15 16 18
— 3909 3650 3650
— 4000 4000 3887 3735
Fan Operating Limits
10.62 12.62 15
1934 1614 1328
2518 2091 1725
19.69 21.56 24.00
2000 1700 1500
2858 2427 2255
Fan Operating Limits
25 27.62
790 690
1011 910
24.5 27
1691 1479
2199 1928
Fan Operating Limits
22 24 27 30
2403 2183 1860 1783
3065 2780 2423 2182
Fan Operating Limits
27 30 33
1835 1665 1476
2294 2082 1846
18.12 20
1400 1200
40 40
Fan Operating Limits
20 22 24 27
2674 2403 2183 1981 1783
3409 3065 2780 2423 2182
43 IM 777-18 • SKYLINE OUTDOOR AIR HANDLER
o
peraTIon
18 20
1155 1050
1450 1200
30.25 33
650 600
835 763
30 33
1328 1209
1730 1579
33 36 40 44
1620 1465 1329 1202
1984 1759 1598 1447
36.5 40.25 44.50
1330 1208 1072
1662 1510 1340
30 33 36 40 44
1620 1465 1329 1202
1984 1759 1598 1447
G
uIdelInes
22.25 24.50
944 858
1030 910
36
560
715
36.5
1073
1401
49 54 60
1091 986 891
1314 1178 1071
49 54.25
973 880
1216 1100
49 54 60
— — —
1314 1178 1071