Checkunitairsupplyoutletfordebrisbeforemaking
ductworkconnections.
Itisrecommendedthatsupplyandreturnductconnections
attheunitbemadewithflexiblejoints.Ifflexibleductsare
used,a6"sheetmetalstartercollarisrequired.
Thesupplyandreturnairductsystemsshouldbede-
signedfortheCFMandstaticrequirementsofthejob
(seeTable3).Theyshouldnotbesizedto matchthe
dimensionsof the duct connections on the unit. The
return duct should be sealed to the unit casing and
terminate outside the space containing the unit.
Blower Performance
1i ::
Low
Medium/Low
MGE10-12
Medium/High
High
MGE10-24
MGE12-18
Low
Medium/Low
Medium/High
High
52O
685
755
815
65O
945
1010
1090
495
655
715
77O
630
900
960
1030
Medium/Low 940. 890
470 430
600 540
660 595
710 640
645
610 580
860 810
910 870
980 930
s6o
I m
Medium/High 1000 960 1910 875
010
Low
Medium/Low
Medium/High
High
600
820
88O
945
58O
765
825
885
55O
72O
79O
825
37O
49O
610
575
460
490
55O
775
8OO
88O
960 _ 915
515 450
660 595
720 645
760 690
830 780
MCE12_24 ....
Medium/High 955 905 860 815
770
Low 640 620 600 575 540
Medium/Low 940 890 860 820 785
MGE12-30
Medium/High 1000 960 910 875 820
High 1110 1060 1010 960 915
Table 3
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