Speedaire
Operating Instructions & Parts Manual
Speedaire
Two-Stage Air Compressors
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Installation (Continued)
Simplex models 1WD67, 1WD68,
1WD70,1WD71,1WD72, 1WD73,
1WD74, 1WD75, 1WD76, and
1WD78 have factory mounted
and wired magnetic starter.
The starter provides motor
overload protection. See Figure 1-1
for wiring diagram.
For Service and Warranty, Call: 1-888-303-1344
1WD50, 1WD52, 1WD67, 1WD68, 1WD70 thru 1WD76, 1WD78
10 & 15 HP
®
304CAS546-A
(Ref. Drawing)
Figure 1-1 Wiring Diagram
Electrical connections exist between
the pressure switch and the starter.
Duplex models 1WD50, and
1WD52 have factory mounted
and wired magnetic starters and
alternator. The starters provide
motor overload protection.
See Figure 1-2, for wiring
diagram.
Figure 1-2 Wiring Diagram
.
be such that when viewing
compressor from opposite shaft
end, rotation of shaft is clockwise as
shown by arrow on guard.
Wrong direction rotation
for any length of time will result
in damage to compressor.
6
Wiring must
312CAD546-B
(Ref. Drawing)