CPS ES Series - Operation and Maintenance Safety Instructions

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1.3.3 Operation and Maintenance Safety Instructions
 O&M of the ESS must be done by qualified personnel ONLY.
 Check for any hazardous situations before operating and maintaining the equipment.
 Ensure the cabinet door is closed and do NOT touch any conductors while the system is operating.
 Do NOT start maintenance on the system until at least five (5) minutes after completely shutting down the system.
 Turn OFF all external circuit breakers using lockout/tagout procedures before maintenance.
 Ensure all components are de-energized before maintenance of the system.
 At any given time during maintenance, ensure at least two (2) authorized professional personnel are on-site.
 After maintenance is completed, ensure that no tools are left on or inside the system.
 Cabinet door keys must be pulled out and kept in a safe place before leaving the site.
 Ensure appropriate safety precautions and PPE are used during maintenance.
 Never touch the live conductors, which can cause serious injury or death due to high battery DC voltage and AC voltage.
Disconnect all AC and DC sources before servicing; ensure that hazardous high voltage and energy inside the equipment
has been discharged.
 Never touch the battery electrodes, as the high short-circuit current and electrical shock hazards can cause serious injury.
 Do not conduct maintenance during rainy weather.
 Keep the ESS away from flammable and explosive substances.