Mechanical Installation
Check screw connections on the inverter for tightness.
The ambient operating conditions are allowed. (See Technical parameter);
The unit is fixed properly on a nonflammable wall. (See Mechanical installation.)
The cooling air will flow freely. The unit is fixed tightly and support is enough. (See
Mechanical installation.)
Electrical Installation
Check polarity and voltage of the solar generator, make sure poles are correct and
without reverse the poles of the connections!
Check all screws of the connection terminals in the installation system before and
after the inverter for tightness.
The unit is grounded properly. The DC input voltage and AC output voltage matches
the unit nominal voltage. Make sure that the solar generator cannot exceed the
permissible input voltage range of the device
The DC input and mains connections and their tightening torques are OK.
Appropriate DC input and AC output fuses and disconnector are installed.
The external control connections inside the unit are OK.
There are no tools, foreign objects or dust from drilling inside the unit. Unit,
connection box and other covers are in place.
The external cords and cables are fixed tightly, and strain relief clamp is provided for
external accessible cords and cables。
Cord and cable inlets are sealed completely after cord/cable installation.
Start-Up– Checks
The device has been checked at the factory and adjusted so that it can be
commissioned immediately after being installed.
Following Section Installation checklist, for your personal safety and to avoid
damage, the following safety checks should be performed before start by a qualified
person who has adequate training, knowledge, and practical experience to perform
these tests. The data should be recorded in an equipment log. If the device is not
functioning properly or fails any of tests, the device has to be repaired.
1. Inspect the equipment and accessories for mechanical and functional damage.
2. Inspect the safety relevant labels for legibility.
3. Inspect the fuse to verify compliance with rated current and breaking
characteristics.
4. Measurement of insulation resistance
5. Measurement of earth resistance
6. Mounting structures: Verify tightness and integrity of bolts and other fastening
devices;
Verify if there is significant corrosion.
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