1.1 Read this First
This manual contains important instructions for use during installation, operation and maintenance of the
Siemens VersiCharge SG™ electric vehicle (EV) charging station.
1.2 Symbol Legend
The following safety symbols indicate dangerous conditions and important safety instructions and appear
throughout this document to reduce the risk of electrical shock, ensure the safe installation and operation of
the Siemens VersiCharge SG.
DANGER
Hazardous voltage. Will cause death or serious injury. Turn off power before working
on this equipment. This indicates the present voltage can cause death or serious injury.
Extreme caution is required when servicing or installing the equipment referenced.
DANGER
Explosion hazard. This equipment has arcing or sparking parts that should not be
exposed to flammable vapors. Use extreme caution and follow instructions carefully.
WARNING!
This indicates a situation where failure to follow instructions may be a safety hazard or
cause equipment malfunction. Use extreme caution and follow instructions carefully.
NOTE:
This indicates important information for optimal system operation. Follow instructions closely.
Indicates connection point for ground conductor.
1.3 Product Labels
The following symbols appear on the product label and are described here:
Danger label indicates risk of hazardous voltage and electric shock which will cause death, serious injury, or
substantial damage. Turn off the power before working inside.
Danger label indicates risk of hazardous voltage and electric shock which will cause death, serious injury, or
substantial damage. Turn off the power before working inside.
Explosion hazard
. This equipment has arcing or sparking parts that should not be exposed to
flammable vapors. Use extreme caution and follow instructions carefully.
Indicates connection point for ground conductor.
1.4 Definitions
AC
refers to alternating current.
Arcing component in contactor:
Siemens VersiCharge EV Charging Systems include a contactor that, when
opened or closed, will cause a short duration arc. The contactor is enclosed in an appropriate electrical
enclosure but use caution in the presence of flammable vapors. Vapors can ignite, creating an explosion.
Store flammable vapors away from all electrical equipment, and should vapors be present, allow enough
time for ventilation before operating this equipment.
CCID
refers to charging circuit interrupting device. The Siemens VersiCharge line of EV Charging Systems
includes a CCID. The CCID is required by UL Standard 2231 and is designed to detect grounding faults
within the system and disconnect power from the downstream conductors when a fault is detected.
EV
refers to an electric vehicle.
EVSE
refers to electrical vehicle supply equipment.
SG
refers to Smart Grid, a term used to describe the capability of this unit to respond to demand response
events and operate on a schedule synched with the power company’s capacity constraints. The owner of a
VersiCharge SG unit can cancel or opt out of any utility event, if this is not defined differently in the
specifications of the utility program. The user should be aware of any increase in cost or disqualification
from the utility programs specified by the utility, as a result of canceling or opting out events.
VersiCharge SG
refers to any Wi-Fi enabled VersiCharge Smart Grid unit with a plug and cable assembly
attached, i.e. part numbers VCSG30GXXXX (indoor / outdoor use).
1.5 Safety instructions (general and specific)
DANGER
Hazardous voltage. Will cause death or serious injury. Turn off power to this
equipment before working inside.
• Read this Installation and Operations Manual in its entirety prior to installing, maintaining, servicing, or
replacing a Siemens VersiCharge EV Charging System.
• Permits. Local permits may be necessary to install EV charging equipment. Contact your local electrical
inspector’s office, and your local utility, prior to beginning work to understand what local requirements/
permits are necessary.
• Qualified person. Because of inherent dangers of electricity, only a qualified person should install,
maintain, or service the VersiCharge equipment. For the purpose of this manual, a qualified person is one
who is familiar with the installation, construction, operation, and the hazards of working on the
equipment. In addition, this person should meet the definition of a qualified person pursuant to the
National Electrical Code® (NEC®). Failure to have a qualified person install/maintain/service the unit may
void the warranty.
WARNING!
Failure to properly seat seals can result in water, debris, and other foreign objects
entering the device. These can cause damage to electrical components and prevent the device
from functioning properly.
• Weatherproof seals. VersiCharge SG units may be used indoors and outdoors.
5
Commissioning and Troubleshooting Guide
VersiCharge™ SG
5