Electric Wiring - Gree EVO Série Manuel D'utilisateur

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Note: when vacuuming is finished, pressure inside the unit should be kept lower than 80Pa for at
least 30 minutes to make sure there is no leak. Either charging valve 1 or charging valve 2 can be
used for vacuuming.
(3) Charging: when vacuuming is finished and it is certain that there is no leak, charging can be
done.
Be sure to charge the specified amount of refrigerant in liquid state.
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Since this refrigerant is a mixed refrigerant, adding it in gas form may cause the refrigerant
composition to change, preventing normal operation.
Before charging, check whether the refrigerant cylinder is equipped with a siphon tube or not.
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With siphon tube

16 Electric Wiring

16.1 Wiring Principle
General principles
Wires, equipment and connectors supplied for use on the site must be in compliance with
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provisions of regulations and engineering requirements.
Only certificated electricians are allowed to perform wire connection on the site.
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Before connection work is started, the power supply must be shut off.
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Installers shall be responsible for any damage due to incorrect connection of the external circuit
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of the unit.
Caution --- only copper wires are allowed to be used.
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Connection of power cable to the electric cabinet of the unit
Power cables should be laid out through cabling trough, conduit tube or cable channel.
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Power cables to be connected into the electric cabinet must be protected with rubber or plastic to
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prevent scratch by edge of metal plate.
Power cables close to the electric cabinet of the unit must be fixed reliably to make the power
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terminal in the cabinet free from an external force.
Power cable must be grounded reliably.
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16.2 Specification of Power Supply Wire and Leakage Switch
Power cable specifications and Leakage switch types in the following list are recommended.
Pressure Meter
Connection Pipe
Vacuum pump
No siphon tube
20
Mini Chiller