119
AIR DELIVERY (cont)
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
ESP (in. wg)
SCFM
ECM Operating Range:
PSC Motor Fan Curve:  3-Row
5-Row
4-Row
0 100 200 300 400 500 600 700
800 900
Low
Med
High
Low
Med
High
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
ESP (in. wg)
SCFM
ECM Operating Range:
PSC Motor Fan Curve:  3-Row
5-Row
4-Row
0 100 200 300 400 500 600 700
800 900 1000 1100
42S SERIES — UNIT SIZE 06
42S SERIES — UNIT SIZE 08
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LEGEND
ECM — Electronically Commutated Motor
ESP — External Static Pressure
PSC — Permanent Split Capacitor
SCFM — Square Cubic Feet Per Minute
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