Index

3.4. Electrical connections

ATTENTION
·      This system cannot be connected to a simple plug.
·      It requires a suitable electrical installation. This should be done by a qualified person, following the electrical safety regulations applicable in each country.
·      The hot tub’s power supply must always be protected by a highly sensitive residual-current device. We recommend a 30mA residual-current device.
·      A suitable earth connection must be made.
·      Use a cable with a cross-sectional area that is suitable for the hot tub’s power and the distance to the electrical panel.
·      Always follow the instructions and heed the warnings in this manual.

ATTENTION – RISK OF ELECTRIC SHOCK
·      Before performing any work on the hot tub, you must disconnect the power supply (residual-current device in OFF position or disconnect the cable from the mains).
·      Do not attempt to access any electrical component if you are not technically qualified.
·      When handling electrical components, always use personal protective equipment and suitable tools.
·      Never access the electrical components if you have a wet body or feet.

IMPORTANT
Before making the electrical connections, you must check the water fittings for cold water, hot water, and the drain with its corresponding siphon.

The electrical installation must include a highly sensitive double-pole residual-current device on the main electrical panel (the residual-current device is not supplied with the hot tub).

IMPORTANT
It is essential for the owner of the hot tub to test and turn the residual-current device on/off regularly to make sure that it is working correctly. We recommend doing this at least once a month.

CONNECTING THE HOT TUB’S ELECTRICAL PANEL TO THE RESIDUAL-CURRENT DEVICE

You must disconnect the power supply before performing any work on the hot tub (residual-current device in OFF position or disconnect the cable from the mains).

Depending on the type of setting in which the hot tub is being installed and the current applicable legislation, a cable with a suitable cross-sectional area must be used to connect the residual-current device to the hot tub’s electrical panel. The cable’s cross-sectional area will vary depending on the hot tub model and the distances within the installation.

CABLE CROSS-SECTIONAL AREAS

Use cables with suitable cross-sectional areas (as per the table below) to ensure proper operation and avoid potential electrical problems that may jeopardise the user’s safety.

The cable’s cross-sectional area will have to be increased proportionally for greater distances.

There may be configurations that require the installation of a 32 A line, two 16 A lines or even a three-phase line (3 x 16 A) to meet the hot tub’s power requirements.

The layout options for your electrical panel are shown later in this Installation manual.

Remember that installation and changes to the electrical layout must be performed by duly qualified persons and always comply with the current regulations in each country.

The manufacturer accepts no liability for any damage that may be caused by an installation that is inadequate or performed by someone who is unqualified.

IMPORTANT
Note the position of the maximum current DIP switch. If the cable that is used is unsuitable for the hot tub’s distance and power, it will not work properly; this may lead to the electrical circuits overheating, with the resulting risk of an electrical accident. Always use a cable with a cross-sectional area that is suitable for the maximum current. If in doubt between two sizes, always use the cable with the largest cross-sectional area.

To supply power to the hot tub’s electrical panel, locate the cable gland on one side of the electrical panel.

It is necessary to install a thermal magnetic breaker and a residual-current device (not supplied) at the connection to the power supply.

Make sure that no power is being supplied to the connection cable (residual-current device in the OFF position).

Feed the cable to the hot tub’s electrical panel.

Open the electrical panel’s cover and insert the power cable into the free side.

Attention, the blue cable is the neutral wire (BLU) and the brown (BRN) one is the line or phase wire.

Attach the connectors as shown in the diagrams below, according to the type of power supply.

ATTENTION
A proper earth connection must be made.

The building’s earth circuit must always be in a perfect condition to guarantee the safety of the hot tub user.

If in doubt, get a suitably qualified person to check your earth circuit. The manufacturer will not be liable for any injury or damage caused by inadequate maintenance of the earth circuit.

PRINTED CIRCUIT BOARD

*The temperature probe is connected to the J32 connector on the motherboard and to the safety board, which is connected to the motherboard’s faston terminals perpendicular to this board.

The electrical panel’s controllers have been configured to fulfil the installed functions using the board’s DIP switches. The manufacture accepts no liability for the user operating these switches as this may result in the hot tub not working correctly.

ATTENTION
Make sure that all water fittings and electrical/electronic connectors are connected before connecting the electrical cabinet to the power supply.

Cable glands must be used on all connectors from the control cabinet and from the junction box. Terminals must be used on all connections to maintain the integrity of the cables.