Section 4
INSTALLATION
24
done by a qualified electrician in compliance with
OSHA, National Electrical Code, and/or any other
applicable State, Federal and local electrical codes
concerning isolation switches, fused disconnects,
etc. Sullair provides a wiring diagram for use by the
installer.
Customer must provide electrical supply power
disconnect within sight of machine.
A few electrical checks should be made to help
assure that the first start-up will be trouble-free.
Lethal shock hazard inside. Disconnect all power
at source before opening or servicing.
1. Check incoming voltage. Be sure that compres-
sor is wired for the correct incoming voltage.
2. Check starter for correct size, proper overload
relay, and heaters.
3. Check all electrical connections for tightness.
4. “DRY RUN” the electrical controls by disconnect-
ing the three (3) motor leads from the starter.
Energize the control circuits by pressing the
TABLE 2- VENTILATION REQUIREMENTS
Cooling Type Air-Cooled w/Aftercooler Water-Cooled
Motor HP/KW 40/NA 50/37 60/45 75/55 100/75 40/NA 50/37 60/45 75/55 100/75
Fan Air CFM/ 6,000/ 6,000/ 8,500/ 8,500/ 8,500/ 1,440/ 1,440/ 2,845/ 2,845/ 2,845/
M
3
/Hr (I) 10,200 10,200 14,440 14,440 14,440 2,450 2,450 4,850 4,850 4,850
Ventilating Air/
Heat Rejection
BTU/Hour 114,500 152,830 183,400 229,250 305,660 10,600 13,300 15,800 19,800 26,000
KCAL/HR 28,800 38,510 46,216 57,770 77,026 2,670 3,350 4,000 5,000 6,550
Cooling Water/
Heat Rejection
BTU/Hour 114,500 153,000 168,000 210,000 275,000
KCAL/HR 28,800 38,600 42,300 53,000 69,300
(I) Applies to compressors with canopy only (vent fan).
Figure 4-1 Service Air Piping with Aftercooler and Optional Air Dryer (Typical)
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