Generac Power Systems G0074000, Owner'S Manual

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Installation
Automatic Transfer Switch Owner’s Manual 11
Connecting Alternate Power Source
(RXUW Only)
1. See Figure 3-4 . Connect generator to the
generator terminals (E1 and E2) on the transfer
mechanism.
2. Connect the generator neutral wire to the lower
neutral lug.
IMPORTANT NOTE: A jumper wire (B) bonds
the upper and lower Neutral lugs. NEVER
remove this wire.
3. Connect a subpanel supply to lower T1 and T2
Terminals. Connect subpanel Neutral and Ground
to lower Neutral and Ground bars.
Conductor sizes must be adequate to handle the
maximum current to which they will be subjected, based
on the 75 °C column of tables, charts, etc. used to size
conductors. The installation must comply fully with all
applicable codes, standards and regulations.
Knockouts into the transfer switch can be made in the
field as needed for entry of power cables and conduit.
Conduit entry shall maintain the proper wire bending
spaces required by Tables 312.6 (A) and (B) in the NEC.
Conduits should be arranged to provide separation
between the Utility and Generator supply conductors
inside the enclosure.
For transfer switches installed in wet locations, power
cables or conduits entering above the level of
uninsulated live parts shall use fittings listed for use in
wet locations as required by 312.2 in the NEC.
NOTE: If aluminum conductors are used, apply corrosion
inhibitor to conductors. After tightening terminal lugs,
carefully wipe away any excess corrosion inhibitor.
Figure 3-4. Wiring Connections
Tighten terminal lugs to the torque values as noted on the
decal located on the inside of the door. After tightening
terminal lugs, carefully wipe away any excess corrosion
inhibitor.
N1
N2
E1
E2
T1
T2
A
010089
B
S1
S2
(000120)
Equipment damage. Verify all conductors are tightened
to the factory specified torque value. Failure to do so
could result in damage to the switch base.
CAUTION