Grounding Requirements; Moistureproof Protection; Warning Mark Setting; Electrical Connection - Helios COMBO SPH3600-BL SERIES User Manual

HELIOS COMBO SPH3600/5000-BL

1.1.5 Grounding Requirements

High leakage risk! Device must be grounded before performing electrical connection. The grounding
terminal must be connected to ground.
⚫ When installing device, it must be grounded first. When dismantling device, the grounding wire
must be removed at last;
⚫ Don't damage the grounding conductor;
⚫ Device should be connected to the protection earth permanently. Before operation, it should
check the electrical connection to ensure the device is grounded reliably.

1.1.6 Moistureproof Protection

Moisture invasion may cause device damage!
Observe the following items to ensure that device works normally.
⚫ When the air humidity is more than 95%, don't open the door of inverter;
⚫ In the wet or damp weather, don't open device perform maintenance or repair.

1.1.7 Warning Mark Setting

In order to avoid accident for unwanted person gets close to inverter or makes improper operation, it
should observe the following requirements when performing installation, daily maintenance or repair.
⚫ Set warning marks where the switches are to avoid turning them on improperly.
⚫ Set warning signs or safety warning belt in the operation area, which is to avoid human injury or
device damage.

1.1.8 Electrical Connection

Electrical connection must be performed according to description in the user manual and the electrical
circuit schematic.
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1 Safety Description