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Three Phase Wiring
A To supply
C Wiring for optional electric drain valve
EDV Electric drain valve
T Supply Line Terminal
L Load Terminal
FU Control Circuit Fuse
HATS High Air Temperature Switch (#)
LOLS Low Oil Level Switch (#)
M Motor Starter Coil
OL Motor Starter Overload
PS Pressure Switch
SS Selector Switch (#)
* Alternate wiring for converting 3 phase starter to 1
phase application
(#) = if provided
NOTE On units requiring a starter, connect line power to the starter. do not connect
line power to the pressure switch.
l
Connect ground wire to ground lug
l
L3 used for 3-phase motors & starters only
ELECTRICAL WIRING DIAGRAMS
Single Phase Wiring
http://air.irco.com