Main Power Cord Connection - LG RCWFL Series Installation Manual

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9-2. Main Power Cord Connection

3 phase power supply
1) Verify whether the ratings marked on the nameplate of the power panel and inverter is same with the power
supplied, and same with the electric data marked on the name plate of the chiller.
2) If the enclosure of the power panel and inverter should be cut to provide electrical access, be careful to prevent
debris from falling inside the enclosure.
3) Use copper (Cu) conductors for the 3-phase power supply of the start-up panel installed in the chiller with 'Sepa-
rated type' or 'Integration type'.
4) The size of the wiring of the power supply is indicated on the interface diagram, and it may be changed based on
consultation with the customer and the site condition.
5) Pressure operation power cable must be arranged in an appropriate way.
Each power supply pipe should operate to carry an accurate number of conductors to the start motor.
6) Make sure that the power supply conduit does not interfere with the service, structural members, and refrigera-
tion equipment.
7) Reinforcing rotating power – Follow the method on the document of rotating power from the starter manufactur-
ing and its annual test method.
Also, the conduit should be long enough for services such as the replacement of the start-up panel in the future.
(For example, removal of the start-up panel)
Part Damage!
Remove all the debris inside of the power panel and inverter.
Otherwise, It may cause a short-circuit or serious part damage of the starter.