6 Maintenance
SMA Solar Technology AG
Maintenance Manual
SCCPXT-E7-WA-en-37
48
6.4.1.4
Inverter with Low-Temperature Option: Checking the Heating Elements
Figure 13: Position of the heating elements and the temperature control
Position
Designation
A
Heating element with low-temperature range option
B
Connection plug of the temperature control
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).
CAUTION
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
.
2. Disassemble the protective covers (see Section 7.1.2, page 63).
3. Connect the supply voltage (see Section 4.3.1, page 28).
Summary of Contents for SUNNY CENTRAL 1000CP XT
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