5 Maintenance; Removing And Replacing The Wiring Box (Wb) Cover; Figure 5-1: Removing And Reinstalling The Wb Cover - Delta M42U Operation And Installation Manual

Maintenance
5 Maintenance
Please check the unit regularly. If there are any impaired or loose parts, please contact
your solar installer. Ensure that there are no fallen objects in the path of the heat outlet.
- Prior to beginning any maintenance procedures switch AC and DC power off
to avoid risk of electrical shock!

5.1 Removing and replacing the Wiring Box (WB) cover

In order to guarantee proper long-term operation of the inverter, the following
procedures must be followed used to remove and re-install the WB cover, Refer
to Figure 5-1.
OFF OFF
WARNING !

Figure 5-1: Removing and reinstalling the WB cover

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OFF OFF