Replacing Surge Protection Device (Spd) - Delta C1000 Operation And Installation Manual

4. Remove the plates and air outlets directly.
1. Inspect periodically whether the vent filters are stuck with dust or foreign object.
Clean if the vent filters are stuck.
2. Once vent filters get stuck, poor heat dissipation of the solar inverter may cause
damage to the cooling fans.

7.4 Replacing Surge Protection Device (SPD)

Once the inverter encounters voltage spikes (e.g. struck by lightning), SPD will
protect the inverter and got damaged. If you find a warning message "DC Surge"
or "AC Surge" shown on display panel, please follow the steps below to replace
the SPD.
1. Switch AC and DC power off and check no residue voltage exists on DC/AC side.
2. Rotate the handle and open the front door.
AC side
Figure 7-10 : Remove the air outlets
NOTE
Figure 7-11 : SPD Position
74
DC side
Maintenance