Product Manual

Table Of Contents
3. Installation7-2019
19A052S254 (Issue 3) Copyright © 2019 Cummins Inc.
Wire resistance must not exceed 0.5 Ohm per line. Use stranded or solid wire. For connection to the
screw terminal, strip the insulation back 3/8 in (10 mm).
3.3.3 Final Inspection and Cleanup
Prior to energizing the transfer switch:
1. Inspect all wiring to be certain that:
All connections are correct.
All generator set start low voltage signal connections are correct (refer to drawings at the end
of this manual and in the generator set manual).
Wiring does not interfere with switch operation.
Wiring is not damaged as the door opens and closes.
Wiring does not contact sharp or abrasive surfaces.
No wiring is left loose and unconnected.
CAUTION
Debris lodged in the electrical and mechanical components may result in equipment
damage. Do not use a blower to remove debris.
2. Use a vacuum cleaner to remove any dust, filings, chips, or debris from the cabinet interior and
components.
3. Check the lug torque values of the power connections.
NOTICE
Lug torque values are specified on the label inside of the enclosure and in this manual.
4. Double check the power supply voltages to make sure they match the voltages listed on the
nameplate.
5. Make sure that all covers and barriers are installed and properly fastened.
NOTICE
The automatic transfer switch mechanism is shipped from the factory with load connected
to utility source.