Function Test; Checking The Fans; Checking The Heating Elements And Hygrostat - SMA SUNNY CENTRAL 500CP XT User Manual

SMA Solar Technology AG
4.5

Function Test

4.5.1

Checking the Fans

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 5, page 50).
Procedure:
1. Switch the inverter to Stop.
2. Connect the supply voltage (see Section 5.3.1, page 52).
☑ The fans start to run for a few moments.
✖ The fans do not start up?
• Contact SMA Service Line.
4.5.2

Checking the Heating Elements and Hygrostat

Figure 11: Position of the heating element and the hygrostat
Position
A
B
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 5, page 50).
User Manual
Designation
Hygrostat
Heating element
DANGER
DANGER
4 Commissioning
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