SMA SUNNY CENTRAL 900CP XT - Cleaning the Ventilation Plate; Cleaning the Air Duct, Ventilation Grids and Air Intake

6 Maintenance
SMA Solar Technology AG
Maintenance Manual 53SCCPXT-E7-WA-en-37
3. Read off and log the values of each temperature indicator.
4. Analyze the results and take action if necessary:
Number of the in-
dicator
Value of the indi-
cator
Action
1 to 9 88 There is no need for action.
93 or higher Contact the Service (see Section9 "Contact", page68).
10 to 17 88 to 99 There is no need for action.
104 or higher Contact the Service (see Section9 "Contact", page68).
6.4.2.3 Cleaning the Ventilation Plate
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. Disassemble the panels (see Section7.1.1, page62).
2. Pull the ventilation plate out of the inverter cabinet. Grip
underneath the ventilation plate and press the middle part up
while pulling it out.
3. Clean the ventilation plate with a brush or vacuum.
4. Slide the ventilation plate into the inverter cabinet. The ventilation
grid in the ventilation plate must face the rear panel.
☑ The ventilation grid ends up flush with the inverter.
✖ The ventilation plate will not go all the way in?
• Grip the ventilation plate from underneath and press the middle part upwards while sliding it in.
5. Mount the panels (see Section7.1.1, page62).
6.4.2.4 Cleaning the Air Duct, Ventilation Grids and Air Intake
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).