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  • sun panels

    instruction manual

    the sun panel has been upgraded

    We have sold through the original sun panels and released an updated version. This manual refers to the original sun panel only. If you have purchased the new sun panel, it will come with its own instructions.

    shop the new sun panel
    1

    parts

    included in the box

    gathera sun panels pair of LED grow light panels

    a — sun panels

    x2

    gathera sun panels light controller

    b — controller

    x1

    gathera sun panels magnetic mounting screws

    c — magnetic screws

    x8

    sold separately or included with a sun shelf bundle

    gathera sun shelf 2 with power supply

    d — sun shelf and power supply

    gathera growing basin and pump controller

    e — growing basin and pump controller

    gathera individual 24V power supply for sun panels

    f — individual 24V power supply

    gathera sun panels regular mounting screws for non-magnetic installation

    g — regular screws

    x8

    2

    installation on the sun shelf

    Use the pre-installed magnetic screws c to attach each sun panel to the underside of a shelf d. The magnets click into place and hold the panels firmly without any additional tools.

    gathera sun panels installation video thumbnail showing Peter installing panels on the sun shelf

    Watch the full installation video on YouTube

    gathera sun panel attached to the underside of a sun shelf with magnetic screws
    3

    power and wiring

    The panels are sold in pairs. Panel 1 has three cables and Panel 2 has one cable. Use the table below to connect each cable correctly.

    panel cable connects to
    Panel 1 red controller b
    blue 24V power line
    black Panel 2 cable
    Panel 2 black Panel 1 black cable
    Optional pump controller Panel 1 extra cable
    gathera sun panels wiring diagram showing cable connections between panel 1 panel 2 and controller
    Wiring diagram: Click the image below to view the full-size lighting diagram.
    gathera sun shelf full lighting wiring diagram showing panel 1 panel 2 controller and power connections
    4

    installation on other shelves

    The sun panels are designed for the gathera sun shelf, but they can be installed on any shelving unit using the regular screws g included in the box.

    Unscrew the pre-installed magnetic screws c and remove them. Replace with regular screws g and screw the panels directly into the underside of your shelving.

    Keep the magnetic screws safe. Store them in case you ever move the panels back onto a gathera sun shelf.
    gathera sun panel installed on a third-party shelf using regular screws
    5

    individual power supply

    If you are not using the sun shelf power system, you can power the panels using the individual 24V power supply f sold separately.

    gathera sun panels individual 24V power supply wiring overview

    power supply connections

    • Main cable connects to the power supply connector
    • Plug-end cable connects to the controller b
    • Socket-end cable connects to the basin pump controller e

    panel connections

    • Panel 1 cable 1 — connects to the controller b
    • Panel 1 cable 2 — can be stowed away
    • Panel 1 cable 3 — connects to Panel 2
    • Panel 2 cable 1 — connects to Panel 1 cable 3
    6

    timer

    The controller b includes a built-in timer so you can set your lights to turn on and off automatically each day. The diagram below shows all the timer controls and settings.

    gathera sun panels controller diagram showing timer settings and button functions
    Recommended schedule: most plants do best with at least 12 hours on and 8 hours off per day.
    7

    directions for use

    We have done the work measuring light intensity at different distances so you know exactly which setting suits your plants best.

    too much light

    • Burn marks on leaves — most likely if the panel is touching the leaves or your plants are very sensitive
    • Crispy or browning leaf edges
    • Drooping leaves

    not enough light

    • Leaves turning pale green, yellow or white
    • Dropping of older leaves
    • Long, thin, stretched stems
    gathera sun panels light intensity measurement at close range gathera sun panels light intensity measurement at medium range gathera sun panels light intensity measurement at far range
    8

    how it works

    Plants primarily need light in the blue range (400–500nm) and the red range (600–700nm). Most of the light emitted by a standard household bulb falls outside these wavelengths, which is why household bulbs rarely grow plants successfully — most of the energy is simply wasted.

    gathera sun panels light spectrum diagram showing blue and red wavelength ranges used by plants

    blue light (400–500nm)

    • Encourages photosynthesis
    • Produces bushy, compact growth
    • Plants don't stretch to find more light
    • Ideal for growing in compact spaces

    red light (600–700nm)

    • Signals it's time to flower or fruit
    • Encourages longer, upward growth
    • Best for plants heading into their flowering stage

    The gathera sun panels use both blue and red wavelengths alongside the full visible spectrum, giving your plants what they need to grow well while producing a warm, natural-looking 3500K light that looks good in your home.