Sullair SRL-7.5MB User Manual page 13

Subject to EAR, ECCN EAR99 and related export control restrictions.
Installation(continued)
3. Make sure to ground the air compressor.
4. For AC208-230V models, the air compressor ships
wired for AC230V. To operate the air compressor at
AC208V, reconnect the wiring of the transformer
primary to the 208V terminal.
5. Turn ON the manual motor protectors.
6. Turn on the main power to verify that the voltage
is the specified voltage and phase.
7. Press the start button to verify that the compressor
operates during a trial run. If [E.rE] is indicated on
the digital display, the air compressor is in a reverse
phase condition. To fix the problem, turn off the main
power and reconnect the power by switching two
of the three wires of the main power. If nothing has
changed after reconnecting, please refer to P.29.
8. If the air compressor is rotating correctly, the cooling
air flows as shown in the figure to the right.
● Make sure to turn off the main power supply before carrying out any wire connections.
● Firmly tighten the screws connecting the main power wiring to the air compressor.
Loose wires may lead to excessive overheating and/or accidents.
ON
Manual Motor Protector
CAUTION
Ground
Terminal
Reconnect
the wiring
230V
208V
Transformer
Switch two of
the three wires.
Exhaust
Intake
9
02250236-267 R02
Do not
reconnect
the wiring
Terminal Block