Routine Maintenance; Maintenance Plan; Notes - Rayleigh Instruments RI-ENERGYFLOW-3P-MODULAR RI-ENERGYFLOW-HYBRID User Manual

11 Routine Maintenance

11.1 Maintenance Plan

Check if wire connections are loose.
Check if cables are aged/damaged.
Check if cable insulating ribbon drops.
Check if cable terminal is loose, any overheat sign.
Check if ground connection is good.
11.1.1 Operating Environment
(Every six months)
Carefully observe whether the battery system equipment is ineffective or damaged;
When the system is running, listen to any part of the system for abnormal noise;
Check whether the voltage, temperature and other parameters of the battery and other
equipment parameters are normal during system operation;
11.1.2 Equipment Cleaning
(Every six months to one year, depending on the site environment and dust content,
etc.)Ensure that the ground is clean and tidy, keep the maintenance access route
unblocked, and ensure that the warning and guiding signs are clear and intact.
Monitor the temperature of the battery module and clean the battery module if necessary.
11.1.3 Cable, Terminal and Equipment Inspection
(Every six months to one year)
Check if the cable connections are loose.
Check whether the cables are aged / damaged.
Check whether the cable tie of the cable has fallen off.
Check if the cable terminal screws are loose and the terminal position has
any signs of overheating.
Check whether the management system of the system equipment,
monitoring system and other related equipment are invalid or damaged.
Check that the grounding of the equipment is good and the grounding
resistance is less than 10 ohms.

11.2 Notes

After the equipment is out of operation, please pay attention to following notes while
maintaining:
Related safety standards and specifications should be followed in operation
and maintenance.
Disconnect all the electrical connections so that the equipment would not be
powered on.
Wait at least 5 minutes after disconnection, so that the residual voltage of
the capacitors drops to a safe voltage. Use a Multimeter to make sure that the
equipment is completely discharged.
The equipment should be repaired by professional staff only and it is strictly
forbidden for maintenance staff to open equipment modules on their own.
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