Checking The Function Of The Ups - SMA MEDIUM VOLTAGE POWER STATION 500SC-JP System Manual

SMA Solar Technology AG
Risk of burns due to hot components
Some components of the product can get very hot during operation. Touching these components can cause burns.
• Observe the warnings on all components.
• During operation, do not touch any components marked with such warnings.
• After switching off the product, wait until any hot components have cooled down sufficiently.
• Wear suitable personal protective equipment for all work on the product.
Procedure:
1. Switch the inverter to Stop (see Section 7.4.1, page 100).
2. Connect the supply voltage (see Section 7.9.1, page 103).
3. Set the hygrostat to the minimum value. To do this, pull the selector switch out slightly.
Tip: the hygrostat is adjusted correctly if the relay of the hygrostat emits an audible click.
4. Check whether the heating elements are radiating heat after a delay time of five minutes.
If the heating elements are not radiating heat, contact us (see Section 17 "Contact", page 256).
5. Reset the hygrostat to the initial value. To do this, press the selector switch back towards the hygrostat. The initial
value of the hygrostat is indicated in the circuit diagram.

10.5.10 Checking the Function of the UPS

Figure 47: Positon of the UPS
Position Designation
A Uninterruptible power supply (UPS)
System Manual
10 Maintenance
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