Maintenance And Cleaning - Growatt 1500-US Installation & Operation Manual

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Start-Up and shut down the inverter
8.1 Start-Up the inverter
1. Connect the AC circuit breaker
2. Turn on the DC switch, and the inverter will start automatically when the input
voltage is higher than 150V.
8.2 Disconnecting the Inverter
1. Disconnect the AC circuit breaker and prevent it from being reactivated.
2. Turn off the dc switch.
3. Check the inverter operating status.
4. Waiting until LED,LCD display have gone out, the inverter is shut down.
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9

Maintenance and Cleaning

9.1 Checking Heat Dissipation
If the inverter regularly reduces its output power due to high temperature, please
improve the heat dissipation condition. Maybe you need to clean the heat sink.
9.2 Cleaning the Inverter
If the inverter is dirty, shut down the inverter, then clean the enclosure lid, the
display, and the LEDs using only a wet cloth. Do not use any cleaning agents (e.g.
solvents or abrasives).
9.3 Checking the DC switch
Check for externally visible damage and discoloration of the DC disconnect and the
cables at regular intervals. If there is any visible damage to the DC disconnect, or
visible discoloration or damage to the cables, contact the installer.
Once a year, turn the rotary switch of the DC switch from the On
position to the Off position 5 times in succession. This cleans the
contacts of the rotary switch and prolongs the electrical endurance
WARNING
of the DC Disconnect.
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