Electrical Preparation - Sullair ES-8 Operator's Manual And Parts List

Section 4
INSTALLATION
proper motor/compressor rotation.
4.7 ELECTRICAL PREPARATION
Interior electrical wiring is performed at the factory.
Required customer wiring is minimal, but should be
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.
Refer to wiring diagrams in Section 11.
Customer must provide electrical supply power
disconnect within sight of machine.
The wiring of all functional electrical components
has been designed and manufactured in accor-
dance with the following electrical codes/practices:
NEC --- National Electrical Codes
NEMA --- National Electrical Manufacturers Associa-
tion
UL --- Underwriters Laboratories --- Recognized
Components
CSA --- Canadian Standards Association --- Recog-
nized Components
As stated in Section 1, Safety, use a qualified electri-
cian for all electrical wiring. Connect the power sup-
ply lines to the terminals indicated on the wiring dia-
gram corresponding to your unit. All units are sup-
plied with control circuit protection and a "red" pow-
er indicating light.
16
NOTE
Connect ground wire to provided ground lug.
The dryer compressor and fan are single phase and
will turn only in the correct direction (fan must pull air
across the condenser).
NOTE
Grounding of the frame is required.
A few electrical checks should be made to help as-
sure that the first start---up will be trouble---free.
WARNING
!
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. Pull
out the EMERGENCY STOP button on the con-
trol panel.
5. Reconnect the motor leads and jog the motor for
a direction of rotation check as explained in Sec-
t ion 4. 6.
NOTE
Wiring diagram for standard compressors is sup-
plied on the inside cover of the Control Center. Op-
tional compressor wiring diagrams will vary.