Service Manual  57
Ceiling Concealed Duct
Notes: 
1) The above table shows the correlation of External Static Pressure & Air Flow. 
2) When installing, the value of motor step needs to be set according to E.S.P. of the table 7-2. 
Table 7-2
CMM(CFM)
Static Pressure(mmAq)
0246810121415
Model Name
Step
Setting
Value
High 180 22(777) 21(742) 19.8(669) 18.3(646) 16.5(583)
Med 215 18.5(653) 17.8(629) 17.1(604) 16.2(572) 14.5(512)
Low 240 16.1(569) 15.6(551) 15.1(533) 14.2(501) 13(459)
High 1 24(848) 22.5(795) 20.8(735) 19(671) 18(636)
Med 100 21.3(752) 19.9(703) 18.7(660) 17.2(607) 16.5(583)
Low 210 17(600) 16.1(569) 15.4(551) 14.7(519) 14(494)
High 1 34.2(1208) 33.1(1169) 31.7(1119) 29.9(1056) 27.7(978) 26.5(936)
Med 155 27(954) 26.3(929) 26.1(922) 25.8(911) 24.8(876) 23(812)
Low 190 21(742) 20.8(735) 20.6(727) 20.4(720) 20.4(720) 20(706)
High 1 42(1483) 40(1413) 38(1342) 35.5(1254) 33.5(1183) 32(1130)
Med 220 39(1377) 37(1307) 35(1236) 33(1165) 31(1095) 29(1024)
Low 240 34(1201) 32.5(1148) 31(1095) 29.5(1042) 27(954) 26.5(936)
High 200 49(1730) 47.4(1675) 44.9(1584) 43.3(1529) 41.7(1472) 40(1412) 38.6(1361) 37(1305) 35.4(1249)
Med 220 44(1554) 42.4(1498) 40.2(1420) 39.2(1384) 36.7(1296) 35(1236) 34.6(1220) 33(1164) 32.2(1137)
Low 240 38(1342) 37.2(1314) 35(1234) 32.4(1145) 31.6(1114) 30(1059) 28.6(1008) 27(953) 26.2(925)
High 140 59(2083) 57.4(2028) 55.8(1969) 53.4(1886) 51.7(1826) 50(1766) 46.6(1644) 42.9(1516) 40.6(1432)
Med 180 53(1871) 51.4(1816) 49.8(1758) 47.4(1674) 45.9(1621) 45(1589) 42.6(1502) 39.6(1397) 38.3(1352)
Low 205 47(1660) 45.8(1618) 43.8(1547) 42.1(1488) 40.7(1435) 40(1412) 37.8(1335) 35(1234) 33.4(1179)
ABNH186HLAB
[UB18 NHB]
ABNH246HLAB
[UB24 NHB]
ABNH306GLAB
[UB30 NGB]
ABNH366GLAB
[UB36 NGB]
ABNH486RLAB
[UB48 NRB]
ABNH606RLAB
[UB60 NRB]