Routine Maintenance; Maintenance Plan; Notes - Rayleigh Instruments RI-ENERGYFLOW-MODULAR Series User Manual

1 . Routine Maintenance

0

1 .1 Maintenance Plan

0
• Check if wire connections are loose.
• Check if cables are aged/damaged.
• Check if cable insulating ribbon drops.
• Check if the cable terminal is loose, any overheat sign.
• Check if the ground connection is good.
1 .1.1 Operating Environment 0
(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;
1 .1.2 Equipment Cleaning 0
(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.
12.1.3 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.

10.2 Notes

After the equipment is out of operation, please pay attention to the 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.
• Appropriate protective measures should be taken while maintaining, such as insulated gloves,
shoes, and anti-noise earplugs.
Page 50