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How to replace a dry pit motor for a Fluidra pool cover

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How to replace the UNICUM dry pit motor of your Fluidra pool cover

If you own a Fluidra pool cover equipped with a dry pit motor and it is showing signs of wear, this practical guide explains how to replace it easily and safely.
We will detail the steps, the necessary equipment, and the appropriate references so that your cover regains optimal functionality.

Which dry pit motor should you use for your Fluidra cover?

The choice of motor depends on the size and weight of your cover:

For the power supply and control of the motor, use the UNIBOX 450 control box, specifically designed for Fluidra dry pit motors. This box manages the power supply and allows control of the cover via remote control or wall box.

Why replace a dry pit motor?

The dry pit motor ensures the automatic opening and closing of the cover while being protected from water thanks to its installation in a sealed pit adjacent to the pool.
Over time, this motor may show several signs of failure:

  • Partial or total blocking of the cover during winding.

  • Unusual noises or vibrations at start-up.

  • Random response time or lack of movement upon command.

  • Incorrect limit switches or cover that no longer stops at the end point.

Replacing the motor guarantees the safety and reliability of the system, avoids premature wear of the winding shaft, and maintains smooth and silent operation of the Fluidra cover.

Necessary Materials and Tools for Replacing Your Dry Pit Motor

Before starting, make sure you have:

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Step 1: Secure the pool and turn off the electricity

  1. Turn off main power at the electrical panel and the cover control box.

  2. Ensure that the cover is completely closed.

  3. Protect the area around the pool to avoid any accidents.

Step 2: Access the dry pit motor

  • Open the dry pit cover provided for this purpose on the Fluidra cover.

  • Check that there is no stagnant water, debris, or corrosion — the motor must be in a "dry pit" above the water level, as recommended by Fluidra. Fluidra Industry+1

  • Locate all the fasteners holding the motor to the cover shaft as well as the wiring (24 V power supply, limit switches, control link).

  • Tip: before disconnecting anything, take a clear photo of the wiring and the position of the components to guide reassembly.

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Step 3: Disconnect and remove the motor

  1. Carefully disconnect all cables: power supply, limit switches, connection to the winder.

  2. Remove the fasteners holding the motor on the shaft.

  3. Take the motor out and inspect:

    • The shaft to check that it is not bent.

    • The bearings to ensure they turn freely.

    • The coupling to detect cracks or excessive play.

Step 4: Install the new replacement motor for your pool cover

  • Position the new motor in perfect alignment with the winding shaft in the dry pit.

  • Secure it firmly with the screws and brackets provided.

  • Reconnect all cables according to your photos (power supply, limit switches, control link).

  • Install the control box and connect it correctly to the motor.

  • Set the high and low limit switches to ensure smooth movement of the cover.

  • Check that the shaft and motor are properly aligned: any misalignment can cause blockages or premature wear.

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Step 5: Tests and checks of the UNICUM DL6010 / DL7710 dry pit motor

  • Restore power and perform several opening and closing cycles of the cover.

  • Check that the cover moves up and down smoothly, without noise or blocking.

  • Ensure that the pit remains dry and sealed, without water infiltration.

  • Verify the proper functioning of the limit switches and the remote control.

 

Step 6: Maintenance after replacement

To prolong the life of the motor:

  • Regularly clean the dry pit to avoid accumulation of leaves or debris.

  • Annually check the motor and the control box.

  • Keep a record of interventions and photos for tracking and maintenance.

  • Respect the manufacturer's instructions for maintenance and winterizing to prolong the life of the motor and the cover.

Replacing the dry pit motor of your Fluidra cover with an UNICUM DL6010 or DL7710 and the UNIBOX 450 control box is simple.

If you follow the described steps: securing, disassembly, installation, adjustment, and checks.

With regular maintenance, your Fluidra cover will return to smooth and reliable use, allowing you to fully enjoy your pool in complete safety.

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Get a dry pit motor as well as a control box adapted to your pool cover

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See the UNICUM motor for dry pit
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See the UNIBox 450 Box

FAQ

Q: Can I install a generic motor instead of the Fluidra motor?
A: Not recommended. Fluidra motors are designed to work with the brand's specific shafts and pits. Using a non-compatible motor can damage the cover and void the warranty.

Q: Where should the control box be installed?
A: The box must be installed in a dry and ventilated room, at a regulatory distance from the pool (minimum 3.5m), and connected to a 24V power supply in accordance with electrical standards.

Q: What should I do if the cover blocks after motor installation?
A: Check the shaft alignment, the tightness of the fasteners, and the adjustment of the limit switches. Any misalignment or poorly adjusted limit switch can cause a blockage.

Q: How do I maintain the motor and the dry pit?
A: Regularly clean the dry pit, avoid stagnant water and debris. Annually check the motor, bearings, and limit switches. Follow winterizing instructions to prolong the life of the motor.

Q: What signs indicate that it is time to replace the motor?
A: Frequent blockages, unusual noise or vibrations, random or no response from the remote control, limit switches not respected. Replacement prevents any damage to the shaft or the cover slats.

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