SMA SUNNY CENTRAL 900CP XT - Checking the Seals; Checking the Latches, Door Stops and Hinges

6 Maintenance
SMA Solar Technology AG
Maintenance ManualSCCPXT-E7-WA-en-3756
6.4.2.6 Checking the Seals
Figure 17: Section drawing with top view of a door seal (example)
Position Designation
A Seal
B Side panel
C Sealing area
D Hinge
E Door
F Frame construction
Required maintenance material (not included in the scope of delivery):
☐ A suitable water-free, heat-resistant lubricant
☐ Talcum, petroleum jelly or wax for maintaining the seals
DANGER
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section4, page26).
Procedure:
1. Check whether the seals in the sealing area show any damage.
If seals are damaged, contact us (see Section9 "Contact", page68).
2. Apply talcum, petroleum jelly or wax to seals. This will prevent frost damage.
3. After removing the side panels: check whether the side panel seals display any damage in the sealing area.
If seals are damaged, contact us (see Section9 "Contact", page68).
6.4.2.7 Checking the Latches, Door Stops and Hinges
Required maintenance material (not included in the scope of delivery):
☐ A suitable, water-free and heat-resistant lubricant, e.g. WD40
☐ Non-greasing antifreeze agent, e.g.PS88