INVOLAR Corporation, Ltd.
Manual version 1.12
INVOLAR Corporation Ltd. Mar. 2016
33
Check screw connections on the inverter for tightness.
The ambient operating conditions are allowed. (See
Technical
parameter
);
The unit is fixed properly on a non-flammable 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 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 commencing by a competent 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 relevant safety 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 areany signs of corrosion.