Single Colour Light
THX301 Flush Fit Thru-Hull Lights
Installation and Operation Guide
THX301
FEATURES
PACKING LIST
ACCESSORIES
Congratulations! You have purchased a LUMISHORE advanced technology LED underwater light. Every care has been taken
to ensure your Thru-Hull light arrives in perfect condition so please enjoy the ultimate experience in underwater lighting.
LUMISHORE Thru-Hull Hi-Intensity LED Lights are designed for those owners who prefer the integrity of a Thru-Hull
installation using the most powerful, efficient, and cost effective underwater LED lighting systems on the market today.
LUMISHORE Thru-Hull is suitable for many sizes and types of watercraft, including Sports Boats, Cruisers, Yachts, and Super
Yachts. LUMISHORE Thru-Hull LED lights come with a compact electronic driver module to ensure trouble free operation for
years to come.
Please read the following pages before attempting installation to ensure complete understanding of the LUMISHORE
LED lights.
Flush Fit Thru-Hull light for transom and side hull mounting
Requires 1" (25mm) entry hole
Supplied with external driver
Choice of three colours: Blue, Green or White
HICOB Array with an intensity of 5,000 Fixture Lumens (White)
Lens: Toughened BK7 Borosilicate, 110° beam angle
Marine-grade aluminium bronze housing
Over voltage/current, reverse polarity, and thermal rollback protection
If any of the following items are missing, email or call LUMISHORE using the information provided in the Product Support
Section. THX301 light, Driver, Installation and Operation Guide
ISS-36 Delrin Plastic Isolation Sleeve
Page 2
TABLE OF CONTENTS
Number
Section
Page
1.0
BEFORE YOU START
4
2.0
THX301 FLUSH FIT THRU-HULL LIGHTS
5
2.1
Materials and Dimensions
5
3.0
LIGHT INSTALLATION
6
4.0
OPTIONAL DELRIN ISOLATION SLEEVE
7
5.0
DRIVER INSTALLATION
8
6.0
ELECTRICAL CONNECTIONS
9
6.1
Cable Size (gauge)
9
6.2
Connection example
10
7.0
MAINTENANCE
11
8.0
PRODUCT SUPPORT INQUIRIES
11
9.0
SPECIFICATIONS
11
10.0
WARRANTY
12
11.0
TROUBLESHOOTING
12
Page 3
1.0 BEFORE YOU START
Note: Before mounting the drivers and lights, record the serial number for future reference. The number is
located on the light cable and on the rear of the driver.
High Intensity LED light – Do not stare into the LED module at close proximity.
Always ensure that the vessel’s power source and battery are disconnected or isolated prior to installation.
A qualified professional should carry out both electrical and mechanical installation. If in doubt please contact
LUMISHORE. Refer to Product Support Section.
The Driver supplies voltage and current to the Thru-Hull lights. Under no circumstances should the light cable
be cut and connected directly to voltage.
Always use a suitable fuse or circuit breaker to protect the complete system.
The LUMISHORE Thru-Hull maybe installed into GRP (Glass Reinforced Plastic or Fiberglas) and wooden Hulls.
To mount in an aluminium or steel hull, the light will need to be used with the optional Delrin plastic isolation
sleeve.
The light should be installed 6”-10” (150-250mm) below the surface line of the water although this is not critical.
For best results install the lights between 2.6 Feet (0.8m) and 6.5 Feet (2m) apart.
Never try to install or remove the light module with the vessel in the water.
All LUMISHORE products should have bonding to the DC system via bonding strap for galvanic protection.
Do not over tighten the retaining bolts. A force of 3nM on each bolt should not be exceeded.
The Thru Hull electronics are fitted with a thermal roll back feature. However if the light exceeds the thermal roll
back threshold the light will switch off. Three flashes of the light and LED status indicator on the driver indicates
an over-temp condition. The unit will continue to flash until the light has returned to a safe operating temperature
Lights should not be exposed to any temperatures in excess of 150°F (65°C). For example next to hot engine
components or where exhaust emissions could be expelled onto the light while underway.
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2.0 THX301 FLUSH FIT THRU-HULL LIGHTS
1” (25mm) hole saw, 3M 4200 sealant (or equivalent) , 5mm Allen wrench, bonding strap and connections and
rag(s) for cleanup
Note: The cable must remain intact (do not
cut/splice). Supplied with 3 meters (9Feet) of
cable
Bonding Attention: LUMISHORE lights must be bonded to the vessels DC Bonding system to ensure protection from
electrolytic/galvanic corrosion. All bonding connections should be fully checked prior to returning the vessel to the water.
LUMISHORE lights have integrated circuitry to protect lights from external issues but these are dependent upon correct
bonding. Failure to bond the lights properly and maintain the appropriate protection will invalidate the LUMISHORE
warranty.
DO NOT CUT THE LIGHT CABLE
Location – positioning will be dependent on both external and internal obstacles; consideration should also be
given to installation wiring and internal access within the vessel. Ideally the light modules should be installed 6” to
10” (150-250mm) below the surface water line and spaced between 2.6 to 6.5Feet (0.8-2meters) apart.
Select a flat surface; make sure that both the internal and external surfaces of the hull are even and parallel. It
may be necessary to sand or grind the surface.
A hole will be drilled to allow the cable to be inserted; care must be taken to ensure there is unrestricted access
inside the hull.
The light is temperature sensitive and must not be located close to the exhaust
If multiple lights are installed, each light should be evenly spaced to ensure the best water illumination.
The number of lights and the spacing on your vessel will depend on a few factors: vessel size, location of lights
and water clarity.
2.1 Materials and Dimensions:
Page 5
3.0 LIGHT INSTALLATION
!! IMPORTANT: Ensure that each light module has correct vertical and horizontal
alignment with the hull. Ensure LUM text within the light module is at the bottom
when the light is installed into the hull.
1. Drill a 1-inch (26mm) perpendicular hole through the hull.
2. The exposed inner hull surface must be properly sealed to prevent water intrusion into the hull before the light module is
secured in place.
3. Before inserting the light ensure that the hull surface is free from dirt and grease, and remove any existing anti-foul from
the hull surface. Note: Do not use an alcohol-based solvent as this may have an adverse effect on the sealant.
4. Using an approved adhesive (3M 4200 Marine or similar), apply liberally a continuous bead of sealant around the entire
circumference of the sealant groove, on the base of the stem and on the shaft of the light.
5. Carefully feed the control cable through the 1-inch (26mm) hole. Care must be taken to avoid getting sealant onto
the connector and internal pins.
6. Gently insert the stem of the Light Module through the hole in the hull.
7. Apply gentle even pressure with a slight circular motion until the light module is flush with the hull surface.
8. From inside the vessel, feed the supplied washer down the shaft of the light module. Screw the locking nut in place and
tighten the retaining bolts so that they are hand tight. (less than 1nM) – Do not tighten fully at this stage, excess
pressure will push all of the sealant out.
9. Remove excess sealant that is squeezed from behind the light with a rag.
12. Allow the sealant to cure according to the sealant manufacturer’s instructions. Once fully cured, using a 5mm Allen
wrench re-tighten each retaining bolts (force less than 3nM). Care should be taken not to exceed this force as
damage to the light module or hull of the vessel may occur.
13. Attach the vessels bonding protection to the bonding bolt on the locking Nut.
!! IMPORTANT: Before launching the vessel the sealant should be checked to ensure it is fully cured in
accordance with the manufacturer’s instructions.
Page 6
4.0 OPTIONAL DELRIN ISOLATION SLEEVE
Assembly of the isolation sleeve should be carried out just prior to installation of the light to the vessel.
NB: the hole cut out required for the isolation sleeve is 1.3” (32mm).
1. After drilling the 1.3” (32MM) hole, measure the thickness of the hull, ensure that the isolation shaft sleeve is less than
the hull thickness. If the shaft sleeve is too long, cut to length using the radial grooves as a guide. (Refer to the
assembly diagram above).
2. Before assembling the isolation sleeve, ensure that the light and sleeve surfaces are free from dirt and grease. Note:
Do not use an alcohol-based solvent as this may have an adverse effect on the sealant.
3. Using an approved adhesive (3M 4200 Marine or similar), apply liberally a continuous bead of sealant around the
entire circumference of the sealant groove, on the base of the stem and on the shaft of the light.
4. Slide the Isolation sleeve down the lights shaft so that it sits firmly against the back of the light, push the sleeve onto
the back of the light until the two surfaces are flush. At this point any excess sealant can be removed using a soft
cloth and suitable cleaner.
5. Place the Delrin isolation washer sleeve over the aluminium bronze washer.
6. Using the isolation sleeve sealing rings for the marine adhesive, the light module is now ready to install onto the
vessel.
7. During installation and from inside the vessel ensure that sealant is applied from the rear around the shaft to ensure
that there is no potential contact between the shaft and the hull.
Page 7
5.0 DRIVER INSTALLATION
THX301-Driver
Current Draw per module with light connected:
12VDC – 3.75A / 24VDC – 1.8A
Cable length 3.5 Feet
IMPORTANT: Ensure correct electrical cable polarity, Incorrect installation will invalidate warranty.
a. Install the driver in a dry and ventilated area inside the vessel.
b. A switch should be installed to be able to completely disconnect power to all drivers.
c. Care must be taken when plugging in the light to the driver module as the connectors are keyed and if
forced may bend/brake a pin on the connector.
Page 8
6.0 ELECTRICAL CONNECTIONS
6.1 Cable size (Gauge)
LUMISHORE lights have advanced electronic systems which maintain the illumination output of the LED’s to protect them
from under current or voltage.
Note: Current Draw per module with a light connected: 12VDC – 3.75A / 24VDC – 1.8A
Proper wire cable size must be considered when installing the lights.
Compute the gauge of the cable needed light at 12VDC or 24VDC.
Cable lengths referenced in the Conductor Size tables are from the source to the lights and back to the source.
Calculate the total current draw of all drivers that are connected to the terminal strip inside the junction box and use the chart
below to find cable size from power source to junction box. Use the same size wire from the junction box to each driver to
extend the 3.5-foot cable attached to each driver.
Page 9
6.2 Connection Example
Page 10
7.0 MAINTENANCE
8.0 PRODUCT SUPPORT INQUIRIES
9.0 SPECIFICATIONS
Fixture Lumens:
5,000
Available Colors:
White, Blue, Green
Beam Angle:
110º
LED Power-HICOB Array:
Yes
Typical LED Life:
50k+ Hrs.
Voltage Range:
9-31VDC
Max Current Draw 12 / 24VDC:
3.75/1.8A
Housing Type:
Aluminum Bronze CA104
ATRB (Automatic Temp Roll-Back):
Yes
Low Voltage and Diagnostics:
Yes, on supplied Driver and flashing sequence of light
Voltage and Thermal Protection:
Yes
Soft-Start' Protection:
Yes
Reverse Polarity Protection:
Yes
Light Face Diameter:
2.5 in. (63mm)
Profile (height) of housing:
0.40 in. (12 mm)
Hole Cut out for shaft and cable:
1.0 in (25 mm)
Light cable:
9 feet (3 metres) with waterproof connector
Driver:
Driver included, controller not available
The locking nut and retaining bolts should be inspected on a regular basis to ensure they are kept tight.
LUMISHORE recommends general inspection of the light module, driver and cable attachments every month.
The glass lens should be kept clean with a plastic scraper or soft brush. Regular cleaning of the lens will ensure that
the light module delivers maximum optical output. Do not use an abrasive cloth or cleaning agent as permanent
damage to the lens may occur.
To prolong device lifetime and prevent marine growth build up, a good quality antifouling system must be used to
coat the external body of the device. This should be renewed regularly.
If you have questions or comments, please email info@lumishore.com or call:
USA (941)405-3302, United Kingdom +44(0)208 144 1694, France +33(0)493 582 537.
Page 11
10.0 WARRANTY
11.0 TROUBLESHOOTING
LED
LED Status
Comment
Solid LED
Power on
Driver is receiving voltage
Flashing two
times:
Low Voltage
Voltage provided is too low, check connections, battery condition and
power cable gauge.
Flashing
three times:
Light temperature
too high
Could happen if external heat is applied to the light (engine bay or
exhaust outlet etc). Once cooled to a safe limit, the light will operate
normally
Flashing four
times:
Driver temperature is
too high
Check driver is mounted in a well ventilated area away from any heat
sources such as engine or exhaust outlets
Flashing five
times:
No light detected
Light is not connected, check connector for bent pins, ensure it is
completely screwed down.
Procedure to re-set a driver
Remove the fuse from the driver of the light which is not working
Wait 1 minute, re-install the fuse
This driver is reset and the light should turn on
If the light does not turn or shuts down, re- check the power cable size to the lights, battery voltage and
connections within the Junction Box.
INDICATION
PROBABLE CAUSE
RESOLUTION
Light blinks
three times,
pauses, and
repeats
Light is too hot (over
temp condition)
1. If light is out of the water switch lights off
2. If light is next to exhaust – relocate light
3. If incorrect driver is connected to a light – advise Lumishore after
correctly connecting.
LUMISHORE Ltd warrants the THX301 to be free from defects in workmanship and materials for a period of two years,
starting from the date of original purchase. Should your lighting system have a problem during this period, please contact
your dealer as soon as you become aware of the defect.
Misuse, abuse, improper installation, neglect, improper shipping, damage caused by disasters such as fire, flood, and
lightning, installation by unqualified personnel, unauthorized repair or modification will void this warranty. For the
avoidance of confusion and doubt, non-compliance with all installation, maintenance and operating instructions in this
document constitute non-conformance with warranty terms.
DRIVER STATUS INDICATOR
The Driver module has an indicator LED which can help to troubleshoot problems.
LIGHT MESSAGES
The light will blink to indicate a problem.
Page 12
Notes Page:
Page 13
Scan with your smart phone to link to
THX301 Single Color
Home page
Lumishore USA
(Americas Enquiries)
7137 24th Court East
Sarasota, FL 34243
www.lumishore.com
info@lumishore.com
Lumishore Ltd
Head Office
Unit 11, Technium 1
King's Road
Swansea SA1 8PH
United Kingdom
THANK YOU
FOR PURCHASING LUMISHORE LIGHTS!
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