Warning Mark Setting; Electrical Connection; Measurement Under Operation - KEHUA TECH SPI-B X2 Series User Manual

1 Safety Description
 When the air humidity is more than 95%, don't open the door of the inverter.
 In the wet or damp weather, don't open the door of the inverter to maintain or repair.

1.1.6 Warning Mark Setting

In order to avoid accident for unwanted person gets close to the inverter or makes improper operation,
observe the following requirements while installing, maintaining or repairing.
 Set warning marks where the switches are to avoid switching them on improperly.
 Set warning signs or safety warning belt in the operation area, which is to avoid human injury or
device damage.

1.1.7 Electrical Connection

Electrical connection must be performed according to the description in the user manual and the
electrical schematic diagram.
The configuration of PV string, grid level, grid frequency, etc. must meet the technical requirements
of inverter.
Grid-tied generation should be allowed by the local power supply department and the related
operation should be performed by professionals.
All electrical connection must meet the related country and district standard.

1.1.8 Measurement Under Operation

There exists high voltage in the device. If touching device accidently, it may cause electric shock. So,
when perform measurement under operation, it must take protection measure (such as wear insulated
gloves, etc.)
The measuring device must meet the following requirements:
 The range and operation requirements of measuring device meets the site requirements.
 The connections for measuring device should be correct and standard to avoid arcing.
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PV Grid-tied Inverter SPI-B X2 Series (8K-25K)
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