GM Energy V2H Bundle Installation Manual 89
D.2 Load Calculation Example
APPENDIX E: OPERATION AND MAINTENANCE
E.1 De-Energize and Lockout/Tagout the System
Before working on or servicing any system components, power source(s) must be removed from the equipment (de-energize),
and then locked in the OFF position with a tag identifying the individual’s name, date, and contact information.
For installations that include only the Charger, de-energize the Charger by turning OFF (opening) the OCPD (circuit breaker)
that powers the Charger.
A lockout/tagout (LOTO) device can be affixed to the breaker handle; or, if the OCPD is in an electrical panel with a lockable
door, the door can serve as the means of LOTO.
If an AC disconnect was installed in series with the power circuit, open the disconnect and apply the LOTO steps.
If additional work or service will be performed on any premises with GM Energy equipment, care must be taken to de-energize
and create a safe physical working space with respect to all energy sources.
If one is present, activate the Rapid Shutdown Device (RSD). Doing so will place all the V2H Bundle equipment in standby.
Perform the following in the order presented:
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