SMA SUNNY CENTRAL 900CP XT - Repair Schedule and Spare Parts; Information on Repair Work

6 Maintenance
SMA Solar Technology AG
Maintenance ManualSCCPXT-E7-WA-en-3744
Task See
Checking the AC disconnection unit Manufacturer documentation
(see Section1.7, page7)*
* In deviation to the maintenance interval specified by ABB, the maintenance interval of 24 months stated in this documentation applies.
Maintenance under voltage-free conditions
Task See
Perform the visual inspection Section6.4.2.1, page51
Analyzing the temperature indicators Section6.4.2.2, page51
Cleaning the ventilation plate Section6.4.2.3, page53
Clean the air duct, ventilation grids and air intake. Section6.4.2.4, page53
Checking the interior Section6.4.2.5, page55
Checking the fuses/disconnection blades Section6.4.2.9, page58
Checking the bolted connections Section6.4.2.10, page58
Cleaning the heating elements of the low-temperature range option Section6.4.1.3, page47
Check the labels Section6.4.2.11, page59
Checking the inverter surface Section6.4.2.8, page57
Maintenance work with supply voltage present
Task See
Checking the DC switchgear Manufacturer documentation
(see Section1.7, page7)*
Check the fans Section6.4.1.1, page45
Checking the heating element and the hygrostat Section6.4.1.2, page46
Checking the heating element for low-temperature option Section6.4.1.4, page48
Checking the function of the UPS Section6.4.1.5, page50
* In deviation to the maintenance interval specified by ABB, the maintenance interval of 24 months stated in this documentation applies.
6.3 Repair Schedule and Spare Parts
6.3.1 Information on Repair Work
Spare parts
Only original parts or parts recommended by SMA Solar Technology AG are to be used as spare parts when
replacing components.
Spare parts can be identified via the reference designation and the circuit diagram. The spare-parts list includes
the article numbers of each spare part. For information on a specific article number, contact us (see Section9
"Contact", page68).