Carrier 42C Series Product Data page 121

1 1
0.9 0.9
0.8 0.8
0.7 0.7
0.6 0.6
0.5 0.5
0.4 0.4
0.3 0.3
0.2
0.1
0
400 600
PSC Motor Fan Curve:
1 1
0.9 0.9
0.8 0.8
0.7 0.7
0.6 0.6
0.5 0.5
0.4 0.4
0.3 0.3
0.2
0.1
0
400 600
PSC Motor Fan Curve:
LEGEND
ECM — Electronically Commutated Motor
ESP — External Static Pressure
PSC — Permanent Split Capacitor
SCFM — Square Cubic Feet Per Minute
NOTE: The Mega Stack unit with an ECM can operate at any airflow and static pressure combination within the shaded area.
AIR DELIVERY (cont)
42S SERIES — UNIT SIZE 14 (SGM)
Low
800 1000
3 row 4 row
42S SERIES — UNIT SIZE 16 (SGM)
Low
800 1000 1200
3 row 4 row
Medium
1200 1400
SCFM
5 row
ECM Operating Range:
Medium
1400 1600
SCFM
5 row
ECM Operating Range:
High
1600 1800
High
1800 2000 2200
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