Harbor Freight Tools 57998 Assembly instructions

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Email our technical support at: [email protected]
LOW VOLTAGE
TRANSFORMER
POWER PACK
Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference. 21e
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright©2020 by Harbor Freight Tools®. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

Page 2 For technical questions, please call 1-888-866-5797. Item 57998
IMPORTANT SAFETY INFORMATION
Read all safety warnings, instructions, illustrations and specifications provided with this power tool.
Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.
1. WARNING: Risk of Electric Shock: When
used outdoors, install only to a covered
Class A GFCI protected receptacle that is
weatherproof, marked “Wet Location”, with
the power unit connected to the receptacle.
If one is not provided, contact a qualified
electrician for proper installation. Ensure that
the power unit and cord do not interfere with
completely closing the receptacle cover.
2. WARNING: Risk of Electric Shock: Install
power unit 5 feet (1.5m) or more from a
pool or spa and 10 feet (3.05m) or more
from a fountain. Where the power unit is
installed outdoors, connect power unit to a
receptacle protected by a GFCI branch.
3. Suitable for outdoor use only.
4. Not for use with dimmers.
5. Mount at least 1 foot (30cm) above ground.
6. Do not connect two or more power supplies together.
7. Do not use extension cords.
8. For use with low voltage landscape
lighting systems only.
9. Use only with maximum 120W lamp load.
10. Mount the power unit in or on non-combustible
mounting surfaces only.
11. Main secondary wiring is intended for shallow
burial - less than 6 inches (152mm).
12. Not suitable for use with submersible
luminaries and pumps.
13. Do not repair or tamper with the cord or plug.
14. Do not submerge power unit in liquid.
15. Do not connect light fixtures with power on.
16. Assemble only according to these instructions.
Improper assembly can create hazards.
17. Wear ANSI-approved safety goggles and
heavy-duty work gloves during assembly.
18. Keep assembly area clean and well lit.
19. Keep bystanders out of the area during assembly.
20. Do not assemble when tired or when under the
influence of alcohol, drugs or medication.
21. This product is not a toy. Do not allow
children to play with or near this item.
22. Use as intended only.
23. Inspect before every use; do not use
if parts are loose or damaged.
24. Maintain product labels and nameplates.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
SAVE THESE INSTRUCTIONS.

Page 3For technical questions, please call 1-888-866-5797.Item 57998
Symbology
VVolts
~Alternating Current
AAmperes
WARNING marking concerning Risk
of Eye Injury. Wear ANSI-approved
safety goggles.
Read the manual before
set-up and/or use.
WARNING marking
concerning Risk of Fire.
WARNING marking concerning
Risk of Electric Shock.
Grounding
TO PREVENT ELECTRIC SHOCK AND DEATH FROM
INCORRECT GROUNDING WIRE CONNECTION:
Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.
Do not modify the power cord plug provided. Never remove the grounding prong from the plug.
Do not use the power unit if the power cord or plug is damaged. If damaged, have it repaired by a service
facility before use. If the plug will not fit the outlet, have a proper outlet installed by a qualified electrician.
Extension Cords
Note: Extension cords must not be used with power pack.
Specifications
Input Rating 120VAC / 60Hz / 1.2A
Output Rating 12VAC / 10A
Max Lamp 120W
Wire 16/2 16AWG/2-Conductor Low Voltage Landscape

Page 4 For technical questions, please call 1-888-866-5797. Item 57998
Functions
Photo
Sensor
Display
Function
Buttons
Installation Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this document
including all text under subheadings therein before set up or use of this product.
RICK OF ELECTRIC SHOCK:
When used outdoors, install only to a covered Class A GFCI protected receptacle that is weatherproof,
marked “Wet Location”, with the power unit connected to the receptacle. If one is not provided, contact
a qualified electrician for proper installation. Ensure that the power unit and cord do not interfere with
completely closing the receptacle cover. Do not plug in Power Cord until installation is complete.
Landscape Wire Selection
This data is provided as a general guideline.
12 VOLT TAP Wire Length
Total Fixture Wattage 0 - 50 feet 51 - 100 feet 101 - 150 feet
0-60 Watts 18 AWG 16 AWG 14 AWG
61 - 120 Watts 16 AWG 14 AWG 12 AWG
Calculate Lamp Wattage
The Power Pack’s 120W circuit will power up to 96 watts of lights.
Check wattage of individual light fixtures and add all wattage together. Do not exceed 96W total.

Page 5For technical questions, please call 1-888-866-5797.Item 57998
Installation
WARNING! TO PREVENT SERIOUS INJURY:
Verify that installation surface has no hidden
utility lines before installing light fixtures.
1. Place Power Pack close to GFCI outlet. It
must receive maximum sunlight in order
for photo sensor to work properly.
2. Lay Power Pack on its back on a sturdy surface.
Do not plug in Power Pack.
3. Connect Wires to Power Pack
a. Split conductors 2″, strip 3/4″of
insulation, twist strands together.
b. Loosen screws. Insert each conductor
under one screw. Screw connections must
be tight. Do not mix solid and stranded
type wires under one screw. Make sure
insulation clears Pressure Plate.
4. Mount Power Pack
WARNING! TO PREVENT SERIOUS INJURY:
Verify that installation surface has no hidden
utility lines before drilling or driving screws.
a. Using included template, mark
and drill mounting holes.
b. Insert two included anchors into the holes
and two included screws into the anchors
leaving about 1/4″of threads exposed.
c. Place large center of keyholes on back of Power
Pack over screw heads and pull down gently to
lock screws into keyholes.
Do not plug in Power Pack.
5. Install Light Fixtures
a. Lay out light fixtures in desired locations.
The first light fixture must be installed
at least 10 feet from Power Pack.
b. Lay out Landscape Wire from Power Pack
along path of light fixtures.
c. Install light fixtures, then connect to wire
according to light fixture’s instructions.
d. Bury wire no deeper than 6".
6. Plug in Power Cord. Do not use
an extension cord.
7. Press Up/Down buttons to scroll through menu.
a. A = Auto - Dusk to dawn.
b. 1 -9 = Hours on after dusk.
c. O = Manual - On until manually turned off.

Page 6 For technical questions, please call 1-888-866-5797. Item 57998
Maintenance
Procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:
Unplug the Power Pack from its electrical outlet before performing any procedure in this section.
1. CLEAN PERIODICALLY with a damp towel.
Do not clean with chemicals, solvents or harsh
abrasives. Do not put too much pressure
on the display or buttons while cleaning.
2. WARNING! TO PREVENT SERIOUS INJURY: If
the plug or the supply cord is damaged, it must
be replaced only by a qualified service technician.
Troubleshooting
Problem Possible Causes Probable Solutions
Lights will not turn on 1. No power.
2. Bad connection at Power Pack.
3. Short in landscape wire.
4. Power Pack overloaded.
5. Circuit overloaded.
1. Check that Power Pack is connected
to 120VAC GFCI outlet.
2. Check for loose connection
at screw terminal.
3. Replace shorted wire with
16/2 16AWG/2-Conductor Low
Voltage Landscape wire.
4. Remove some lights or replace
with wire with heavier gauge.
5. Check circuit breakeer.
Only some Lights work 1. Bad connection at Light.
2. Faulty Light.
1. Check that connector pins have
pierced the landscape wire wires.
2. Replace Light.
Lights do not turn off at dawn Dirty Photo Cell Use soft cloth to clean photo cell.
Follow all safety precautions whenever diagnosing or servicing
the tool. Disconnect power supply before service.

Page 7For technical questions, please call 1-888-866-5797.Item 57998
Record Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Replacement parts are not available for this product. Refer to UPC 193175430588.

26541 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797
Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability
standards, and warrants to the original purchaser that this product is free from defects in materials
and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to
damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside
our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance.
We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent,
special or consequential damages arising from the use of our product. Some states do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion
may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges
prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.