VEVOR JBSF-320G User manual

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SOLAR ROOF EXHAUST FAN
USER MANUAL
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or any other similar expressions used by us only represent an estimate of savings you might
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JBSF-320G
<Picture Only For Reference>
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This is the original instruction, please read all manual instructions
carefully before operating. VEVOR reserves a clear interpretation of our
user manual. The appearance of the product shall be subject to the
product you received. Please forgive us that we won't inform you again if
there are any technology or software updates on our product.
Solar Roof Exhaust Fan
JBSF-320G

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Contents
Ⅰ. Safety Precautions
Ⅱ. Product Description
Ⅲ. Installation Guide
Ⅳ. Function Description
Ⅴ. Faults and Maintenance
Ⅰ.Safety Precautions
WARNING
Indicates a hazardous situation that, if not avoided, could
result in death or serious injury.
DANGER
Indicates a hazardous situation that, if not avoided, will
result in death or serious injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
The symbol indicates that the user should pay great attention
to the drawing to show the situation to be noted. And the left
figure shows, "Be careful of electric shock."
This device complies with Part 15 of the FCC Rules.
Operation is subject to two conditions:(1)This device may not
cause harmful interference, and (2)this device must accept
any interference received, including interference that may
cause undesired operation.
WARNING: Read all safety warnings, instructions, illustrations and specifications
provided with this electrical appliances. Failure to follow all instructions below may result in
electric shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
WARNING: Improper operation may cause personal injury. Improper operation
may cause damage to the machine. Improper operation may cause other damage.

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DANGER: Do not use a power supply that does not meet the rated voltage. The use
of non-compliant power supplies can cause fire or electric shock.
CAUTION:
1.Disconnect the fan when moving from one location to another.
2.If the machine emits smoke, odor, motor noise and other abnormal conditions, please do
not use it. It may cause fire or electric shock.
3.Do not disassemble, repair or rectify the machine during use. Doing so may result in fire
or electric shock and personal injury.
4.If the machine is not used for a long time, please unplug the adapter from the socket.
5.Never insert fingers, pencils, or any other object through the guard when fan is running.
6.This appliance can be used by children aged 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if
they have been given supervision or instruction concerning the use of the appliance in a
safe way and understand the hazards involved. Children shall not play with the appliance.
Cleaning and user maintenance shall not be done by children without supervision.
7.Disconnect the fan when removing grills for cleaning. Do not leave the fan running
unattended.
Ⅱ.Product Description
Please check whether the product appears damaged or missing accessories.
1. 1× Solar Fan
2. 1× Flexible Flashing
3. 4× Tech Screws
4. 2× Rafter/Batten Straps
5. Remote Control（Optional）
6. The Power Adapte（Option）

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Solar roof exhaust fan functions in several ways to keep your place cool and comfortable.
Its design includes the following features:
• It keeps your home cooler in the summer by extracting 20 times more air than a Whirly Bird.
• It is solar-powered, so there is no running cost.
• It reduces the need for air-conditioning, reducing energy bills.
• It is easy to install and is compatible with tile, metal and flat roofs.
• It reduces humidity and promotes airflow, which can lower temperature by up to 30˚F.
• It reduces condensation build-up in your roof.
• It has a brushless DC motor for quiet operation.
• High-quality material is used for each part to ensure long service life.
• In the cooler months, the thermostat control prevents heat loss and keeps the place warm.
• The fan is corrosion resistant and suitable for coastal regions.

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TECHNICAL PARAMETER
Model
JBSF-320G
Motor
DC 15V 40W
Solar Panel Type
Monocrystalline PV, Heavy Duty Frame, 3mm Tempered Glass
Solar Panel Output
40Watts, 15 VDC
Fan
300mm Balanced Blade (×5), with Low Resistance
Inverter Voltage
AC 100~240V 50 / 60Hz
Ⅲ.Installation Guide

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Please read this installation guide carefully to install the solar roof exhaust fan. Depending on the
roof type, you may follow installation steps for the best result. Please make sure the work area is
dry before installing. Do not install during or after rain.
I. Metal Roof
II. Tile Roof
I. METAL ROOF INSTALLATION
STEP 1
Study the figure to assess how many solar roof exhaust fans you need and where to install them
for your home or business. To work out where to position the fan, you need to consider any
afternoon shade on the roof during the warmer months. A well-positioned fan should allow the
solar panel to receive sun from the south (north for the southern hemisphere) and west during
the warmer months.
GUIDE
A - 1x solar fan up to 1,000 sqft place
B-2x solar fans up to 2,000 sqft place
C-3x solar fans up to 3,000 sqft place
Note: Shade will affect the fan performance. Number of fans needed may vary depending on the
situation.
STEP 2

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Remove 2 ridge capping screws and slide the top edge of the flashing up under it as shown in
the figure. It is important to position the lashing, so it does not cover any roofing screws. The
roofing screws running from the top to the bottom of the roof are where the rafters are located.
Once positioned, mark a circle on the inside edge of the flashing.
STEP 3
Following the circle marked on the roof cut an opening in the roof as shown, using a metal blade
saw or tin snips. If there is any foil under the metal sheets, cut a cross in the foil and fold back the
corners.

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Note: Take care not to cut into any battens/rafters under the roof sheet when cutting.
STEP 4
Slide the flashing back up under the roof capping, refit the 2 ridge capping screws through the
flashing, and bend the edges of the flashing down on the left and right sides to create a tight fit
with the roof. Next , use tin snips to cut notches in the flashing's bottom to suit the corrugations of
the roof and bend the notches down. Next, apply silicone bonded to the edges' underside and
outside. After this, use silicone bonded to the underside and outside of the bottom section of the
flashing.
Note: Don’t apply silicone to the valleys at the bottom of the flashing.

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STEP 5
As shown in the figure here, use a minimum of 8 and a maximum of 12 tech or roof screws
with rubber seals along the left, right, and bottom of the flashing to secure the roof.
Note : Tech screws and roofing screws are not included.
STEP 6
Place the main body of the fan over the flashing as shown below. Turn the main body of the fan
left or right to suit the direction required for the solar panel.
Tip: Position the solar panel between the south (north for the southern hemisphere) and west to
best suit the sun in warmer months.

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STEP 7
Using a powered screwdriver, screw at least 4 small tech screws through the pre-drilled holes in
the fan's main body into the flashing, as shown below.
Tip: You may not get the top tech screw in place, as the roof angle may prevent this. In this case,
you can screw the tech screw into another section where the main body is over the flashing.
STEP 8
You can now adjust the angle of the solar panel to receive maximum sun especially during the
midday of the warmer months as shown in the figure. As the pitch of many roofs is already at a
good angle for the summer sun, you may just be able to leave the panel in the down position as it
is supplied from the factory, without doing anything.

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To adjust the angle of the solar panels up, just adjust the 2 arms to the correct angle and tighten
the screws.
Note:
An installation option is to fit the fan under the eave vents to the side of the house that is cool in
the afternoon.This will allow the cooler outside air to be drawn into the roof space. These are
especially required when the roof has foil under the tiles, but regardless eave vents will improve
airflow.
II. TILE ROOF INSTALLATION
STEP 1
Study the figure to assess how many solar roof exhaust fans you need and where to install them
for your home or business. To work out where to position the fan, you need to consider any
afternoon shade on the roof during the warmer months. A well-positioned fan should allow the
solar panel to receive sun from the south (north for the southern hemisphere) and west during
the warmer months.

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GUIDE
A - 1x solar fan up to 1,000 sqft place
B-2x solar fans up to 2,000 sqft place
C-3x solar fans up to 3,000 sqft place
Note: Shade will affect the fan performance. Number of fans needed may vary depending on the
situation.
STEP 2
Remove the third tile counting down from the ridge capping (top of the roof) as shown in the
figure. Remove one complete tile from the roof. You may also push the tile directly above the
removed tile slightly up to make the opening larger if necessary.

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Ensure you discard this removed tile. Do not leave it on the roof.
STEP 3
Lift the tiles above the tile opening, slide the flashing into place as shown here, and then push the
tiles back down. This will mold the flashing to the tiles.
STEP 4
Fit a minimum of one rafter/batten strap (2 are supplied) as shown. The strap folds over the
circular ridge on the flashing and it can either be screwed or nailed through the rafter/batten strap
into the rafter or batten.

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Note: Rafters run from the top of the roof down to the facial and battens run across the
roof directly under the tiles.
STEP 5
Once the flashing fitting is complete, run a bead of clear silicone along the top of the
flashing that joins with the upper tiles.
STEP 6
Place the main body of the fan over the flashing as shown below. Turn the main body of the fan
left or right to suit the direction required for the solar panel.

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Tip: Position the solar panel between the south (north for the southern hemisphere) and west to
best suit the sun in warmer months.
STEP 7
As shown in the figure, using a powered screw-driver, screw at least 4 small tech screws through
the pre-drilled holes in the fan's main body through into the flashing.
Tip: You may not get the top tech screw in place as the angle of the roof may prevent this. In this
case, you can simply screw the tech screw into another section where the main body is over the
flashing.

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STEP 8
You can now adjust the angle of the solar panel to receive maximum sun especially during the
midday of the warmer months as shown in the figure. As the pitch of many roofs is already at a
good angle for the summer sun, you may just be able to leave the panel in the down position as it
is supplied from the factory, without doing anything.
To adjust the angle of the solar panels up, just adjust the 2 arms to the correct angle and tighten
the screws.
STEP 9
Now that the primary installation is complete, you can mold the flexible flashing to suit your tiles
and bend the bottom section down to allow water to run off onto the tiles below. Then run a bead
of silicone along the left and right sides of the flashing and your job is complete.
Note:
An installation option is to fit the fan under the eave vents to the side of the house which is cool in
the afternoon. This will allow the cooler outside air to be drawn into the roof space. These are
especially required when the roof has foil under the tiles, but regardless eave vents will improve
airflow.
Manufacturer：Foshan Shunde JustBrisk Technology Co.,Ltd
Address：64-1 Xinming Ave, Shunde District, Foshan, Guangdong Province
Made in China

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