Harbor Freight Tools Ventilation Hood 94519 User Manual

12V Solar Exhaust Fan  
94519  
ASSEMBLY AND OPERATING INSTRUCTIONS  
Due to continuing improvements, actual product may differ slightly from the product described herein.  
®
3491 Mission Oaks Blvd., Camarillo, CA 93011  
©
®
Copyright 2006 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.  
For technical questions and replacement parts, please call 1-800-444-3353  
 
7. Do not overreach. Keep proper footing and balance at all times. Do not  
reach over or across running machines.  
8. Maintain tools with care. Keep tools maintained and clean for better and  
safer performance. Inspect tool cords periodically and, if damaged, have  
them repaired by an authorized technician.  
9. Disconnect power. Disconnect optional battery (not included) when fan is  
disconnected or turned off.  
10. Avoid unintentional starting. Be sure the switch is in the Off position when  
not in use. This system will start and operate automatically whenever the  
control unit is set at or below the current temperature and the solar panels  
are connected. Disconnect the solar panels from the control unit before  
doing any maintenance to the blower.  
11. Stay alert. Watch what you are doing, use common sense. Do not operate  
any tool when you are tired.  
12. Check for damaged parts. Before using any tool, any part that appears  
damaged should be carefully checked to determine that it will operate  
properly and perform its intended function. Check for any broken parts or  
mounting fixtures; and any other condition that may affect proper operation.  
Any part that is damaged should be properly repaired or replaced by a  
qualified technician. Do not use the tool if any switch does not turn On and  
Off properly.  
13. Guard against electric shock. Prevent body contact with grounded  
surfaces such as pipes, radiators, ranges, and refrigerator enclosures.  
14. Replacement parts and accessories. When servicing, use only identical  
replacement parts. Use of any other parts will void the warranty. Only use  
accessories intended for use with this tool. Approved accessories are  
available from Harbor Freight Tools.  
15. Do not operate tool if under the influence of alcohol or drugs. Read  
warning labels on prescriptions to determine if your judgment or reflexes are  
impaired while taking drugs. If there is any doubt, do not operate the tool.  
16. People with pacemakers should consult their physician(s) before using  
this product. Electromagnetic fields in close proximity to a heart pacemaker  
could cause interference to or failure of the pacemaker..  
17. Maintenance. For your safety, service and maintenance should be  
performed regularly by a qualified technician.  
SKU 94519 For technical questions please call 1-800-444-3353  
Page 3  
 
Warning:The warnings,cautions,and instructions discussed in this instruction  
manual cannot cover all possible conditions and situations that may occur.  
It must be understood by the operator that common sense and caution are  
factors which cannot be built into this product, but must be supplied by the  
operator.  
Unpacking  
When unpacking, check to make sure that the product is intact and undamaged.  
Product components are shown below.  
If any parts are missing or broken, please call Harbor Freight Tools at the number  
at the bottom of this page.  
Product Components  
Control Unit  
Charging  
Battery  
Valtage  
Battery  
cables  
12V fan  
Solar Panels connected in parallel  
Battery not included.  
Solar Panels on assembled  
mounting frame  
SKU 94519 For technical questions please call 1-800-444-3353  
Page 4  
 
Assembly and Operation  
These solar panels produce electricity when in the presence of sunlight. The  
amount of electricity produced increases as the sunlight becomes stronger. Less  
power is produced in less sunlight, but these panels will generate electricity even  
on cloudy days.  
The enclosed mounting frame is designed to hold the solar panels at an angle to  
increase the amount of surface directly facing the sun. Adjust the position of the  
mounting frame to maximize exposure to sunlight.  
These solar panels are designed to power an exhaust fan, which is ideal for green  
houses, sheds, boats or house vents.  
Assemble the solar panel frame.  
1. Press the Left and Right Triangle  
Frames into slots 1 and 3 on both  
ends of the Top Link Bar and Bottom  
Link bar, as shown in the diagram.  
2. Push the Top Link Bar down to Slot 2  
to lock the frame assembly.  
3. Position the assembled frame in a  
location that the Solar Panels will  
directly face the Sun. The assembly  
should face the South for maximum  
exposure and have no obstructions in  
front of it.The mounting surface must  
be level, well constructed and capable  
of supporting the frame assembly and  
Solar Panels. The location should  
be out of the way of passersby and  
protected from damage.  
4. Secure the frame assembly using  
hardware (not supplied) through the  
four holes in the bottom of the Left and  
Right Triangle Frames.  
5. Carefully place each Solar Panel on  
the front of the frame assembly, so  
the bottom of each Solar Panel fits into the slot of the bottom of the frame  
assembly.  
6. Lock the two eye hooks on the backs of the Solar Panels to the bolts on the  
Top Link Bar to secure the Solar Panels in place.  
SKU 94519 For technical questions please call 1-800-444-3353  
Page 5  
 
Attach the AdjustableTemperature Control Unit.  
Keyhole hanger  
1. Mount the Adjustable Temperature Control  
Unit to a secure location using the keyhole  
hanger. The Control Unit must be mounted  
inside the building for the temperature control  
to function.  
2. Attach the ring connectors from the Solar  
Panels to the contacts on the Control Unit  
marked “Solar”. Attach the power cords to  
the proper polarity. There should be two ring  
connectors on each terminal.  
Attach the Exhaust Fan.  
Mount the Exhaust Fan in your building using  
hardware (not supplied) in the holes drilled in  
the edge of the fan. Be sure the fan is mounted securely, is protected from water  
and other local materials which may damage it. A protective grid (not supplied)  
must be installed on both sides of the fan to prevent injury.  
CAUTION: The Fan may begin operating without notice whenever there is  
sufficient electricity in the system from either the Solar Panels or the battery.  
Attach an optional 12V battery.  
1. It is recommended that a 12V 20 Ah battery (not included) be installed to store  
spare electricity generated during the day so the fan can continue to operate  
after daylight hours.  
2. Battery Connector (jumper cables) are provided. Connect the RED cable to  
the positive (+) connector of the Control Unit and the positive (+) pole of the  
battery. Connect the BLACK cable to the negative (-) connector of the Control  
Unit and the negative (-) pole of the battery.  
CAUTION: The battery must be rated for 12V and at least 20 Amp-hours. A  
lesser battery will be damaged if attached to this system.  
CAUTION: If the fan is disconnected, also disconnect the battery.The battery  
may be damaged if left connected to a solar panel system without the  
fan operating.  
Setting the Adjustable Temperature Control Unit.  
1. Adjust the desired temperature by rotating the dial on the front to the desired  
temperature. When the ambient temperature goes above the desired  
temperature, the fan will go on, the fan will go off when the temperature falls  
below the setting. The temperature range is 59° to 140° F (15° to 60° C).  
2. The Control Unit has a built in regulator that will prevent battery discharge if  
the battery level is less than 10.5 Volts or overcharge if the battery charge is  
over 14.5 Volts.  
SKU 94519 For technical questions please call 1-800-444-3353  
Page 6  
 
Maintenance  
NOTE: These panels will produce electricity on a continual basis depending on  
the amount of sunlight they receive, as long as they have a completed circuit  
and the temperature control is adjusted to the ambient temperature.  
1. Be aware that the exhaust fan may operate automatically whenever a solar  
panel is exposed to sunlight or there is charge in the battery.  
2. Some batteries will be damaged if they are continuously charged. Do not  
leave the fan disconnected and any battery attached to this system. Although  
the control unit has a built-in regulator, it may not protect the battery in all  
situations.  
3. Keep the solar panels clean. Wipe them occasionally using a damp cloth  
with mild detergent. Do not use abrasives. Dirt on the glass will reduce the  
capacity of the panels to receive sunlight.  
4. Periodically check the wiring, mounting and status of the system. Repair any  
unsafe condition immediately.  
5. If the unit stops working even in bright sunlight, check the fuse. Open  
the fuse container on the side of the Control Unit by turning the fuse cap  
counterclockwise. If the fuse wire is broken, replace the fuse with an identical  
3 amp fuse. Replace and tighten the fuse cap.  
Electrical Power Sources Connected in Series and Parallel.  
Solar Panels, batteries and other power sources may be connected in a circuit in  
“Series” or in “Parallel”. When connected in series, the voltage is combined while  
the Amperage is unchanged. When connected in parallel, the voltage remains  
unchanged while the amperage is combined.  
In series, the voltage is combined while the amperage is unchanged.  
In parallel, the voltage remains unchanged while the amperage is combined.  
SKU 94519 For technical questions please call 1-800-444-3353  
Page 7  
 
Assembly Diagram and Parts List  
Control Unit  
6.  
Charging  
Battery  
Valtage  
1.  
Battery cables  
8.  
12V fan  
Solar Panels connected in parallel  
Battery not included.  
3.  
7.  
5.  
2.  
4.  
Part Description  
QTY.  
Part Description  
QTY.  
1
2
3
4
Thin Film Solar Panel  
2
1
1
1
5
6
7
8
Right Triangle Frame  
1
1
1
1
Adjustable Temperature  
Control Unit  
Top Link Bar  
Bottom Link Bar  
Left Triangle Frame  
DC Exhaust Fan  
Battery Connector  
NOTE: Replacement parts are not available for this item.  
SKU 94519 For technical questions please call 1-800-444-3353  
Page 8  
 

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