Twin-Star International 33EB304GRS - Manual (Page 6)

JUNCTION BOX
1. Locate the voltage selector switch inside
the exhaust panel on the top left hand
corner of the unit. (see figure 2 on page 3)
2. Confirm the switch is set to 120 volt
configuration ( 115 volt is printed on
switch).
3. Loosen the screw securing the junction
box cover and remove the cover.
4. Remove the knockouts (if necessary)
or use a cable clamp (not provided).
5. Pull out the four wires marked L1, L2,
N, and G.
6. Connect the black L1 wire from the unit to
the black L1 from the power supply.
7. Connect the red L2 wire and the N wire
from the unit to the N wire from the
power supply.
8. Connect the green ground wire from the
unit to the ground from the power supply.
9. Ensure that all connections are tight.
10. Insert all the wiring back into the unit and
secure with a cable clamp.
Section 5: 120 Volt Installation Instructions
Important
• The unit is factory configured for 120 volt
operation.
• Use 2 conductor wire with ground (3 wires
total) from the power supply (breaker
panel) to the junction box on the unit.
• All wiring must be completed prior to
installing the unit.
• Ensure that the voltage selector switch is
in the proper position for the required
supply voltage prior to connecting the unit
to the power supply.
Junction Box Locator: Figure 6
E-6