Electrical Connection - LG THERMA V Series Installation Manual

Installation of Indoor Unit

Electrical connection

Connect the indoor unit to the mains according to the instructions described in this chapter.
• The final electrical connection can only be performed by the person authorized by the
manufacturer to ensure correct and efficient operation of the device.
IT IS STRICTLY PROHIBITED FOR UNAUTHORIZED PERSONS TO TAMPER WITH THE
ELECTRICAL CONNECTION OF THE DEVICE.
• The device must be connected to the mains, which has a built-in RCD residual-current device,
switch type A.
• Pay attention to the characteristics of the inputs and outputs. Incorrect connection can lead to
damage of the device.
• Connecting the device to the electrical network has to be performed in accordance with the
standards for connecting devices to the electrical network. The device has to be connected to the
electrical network via the power supply which is provided for electrical installation under the
regulations in force.
• The device must be connected to the mains using a cable with appropriate diameter (refer to
paragraph 7 for more detailed information). The electrician defines the cable diameter according
to the installation method, distance of the device from the main electrical cabinet and the power of
the device.
• The total electrical power of the devices which are directly connected to the controller must not
exceed 500 W. Else, separate power to the external devices is required connect only the control
elements to the controller.
• Do not intertwine the communication cable (in accordance with the best engineering practices
and regulations) with power cables.
34 Air-to-Water Heat Pump