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There are no user serviceable parts inside. Refer
servicing to qualified personnel.
Sherbourn
Te c h n o l ogies, Inc.
Model C12 Fan System
Owner’s Manual
Thank you so much for your decision to purchase
the model C12 Fan System. We take enormous
pride in the design and build quality of all of our
products and we are confident that our product will
provide you with many years of enjoyable and
trouble-free service. Should you have any need to
call upon our services please feel free to contact us
at the address shown at the end of this booklet; or ,
of course, you can contact the dealership from
which you purchased the product.
Full details of the warranty coverage provided by
Sherbourn Technologies can be found at the end
of this booklet.
7. Caution: T o prevent electrical shock do not use
this (polarized) plug with an extension cord, receptacle or other outlet unless the blades can be
fully inserted to prevent blade exposure.
8. For added protection for this product during a
lightening storm or when it is left unattended and
unused for long periods of time, it is recommended
that you unplug the unit from the wall outlet. This
will prevent damage to the product due to lightening or power line surges.
9. Do not use attachments not recommended in this
owner’s manual as they may cause hazards.
10. Do not use the equipment near water; for example near a bathtub, washbowl, kitchen sink, a
wet basement, swimming pool, etc. This product
is meant for indoor use only.
11. Do not place the product on an unstable cart,
stand tripod, bracket or table. The equipment is
heavy and should it fall, it could cause serious injury to a person and/or serious damage to the equipment.
Safety Instructions
1. Important Safety Instructions! Please read
all the safety and operating instructions shown
in this manual before operating this equipment.
2. The lightening flash within an equilateral triangle shown above is intended to alert you to the
presence of uninsulated ‘dangerous voltage’ within
the product’s enclosure that may be of sufficient
magnitude to constitute an electric shock.
WARNING
AVI S
3. The exclamation point within an equilateral triangle shown above is intended to alert you to the
presence of important operating and maintenance
(servicing) instructions in the literature accompanying this appliance.
4. Please retain this manual in a safe place for future reference about safety and operating matters.
5. Adhere to all warnings and follow all operating
instructions.
6. Warning: To reduce the risk of fire or electrical shock, do not expose this equipment to rain
or moisture.
SHOCK HAZARD - DO NOT OPEN
RISQUE DE CHOC ELECTRONIQUE
-NE PAS OUVRIR
Caution For Installation
1. The dealership from which you purchased the
product is an expert on custom installation procedures and can provide invaluable advice to help
you make an aesthetically pleasing and trouble free
installation.
Caution For Connections
1. Connect this equipment only to the type of AC
power source as marked on the unit. Always route
AC power cords so they are not likely to be walked
on, or tripped over, or where they may be pinched
by items placed on or against them. Always pay
particular attention to cords at plugs and/or convenience receptacles, and at the point where they exit
from the product.
2. Do not defeat the inherent design features of the
polarized plug. Non-polarized line cord adapters
will defeat the safety provided by the polarized AC
plug. If the plug should fail to fit, contact your
electrician to replace your obsolete outlet. Do not
defeat the safety purpose of the grounding-type
plug. If you use this product in a country which
only has two slotted receptacles in the house, you
must use a three-pin adapter plug to earth ground
which is the “E” (earth pin) of the power cord con-
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nected to this product.
3. Do not overload wall outlets, extension or integral convenience receptacles, as this could result
in a risk of fire or shock.
Operating Voltage
The C12 Fan System is factory-set for 110V, 120V
or 230V AC operation at either 50 or 60 Hz, according to the country for which the unit was manufactured (230V in European Union countries, in
compliance with CE regulations). The operating
voltage cannot be changed by the user and any attempt to do so will void the warranty.
Care of the Product
Clean the product by dusting with a dry cloth. Do
not permit objects of any kind to be pushed and/or
fall into the product through the enclosure openings.
General Description
The CR12 is a multi-directional fan system that
uses three 4.75-inch (120 mm) whisper quiet fans,
the speeds of which are governed by thermal sensing circuitry. The C12 is designed to be used in
three different formats -intake/blow/exhaust air.
The required mode can be configured locally according to the cooling requirements of your system.
The C12 has many other features and functions that
are all described in the following pages.
Front Panel Description
The (removable) rack mountable front panel houses
a switch for controlling the on/off and auto functions. A blue LED indicates when the unit’s fans
are actually working.
Behind the grille front is a removable air-filter pad.
It is important to note that the only time the switch
needs to be in the ‘on’ position is during an initial test when the fans will be operating at their
maximum speed. Once the C12 has completed
its test, it is recommended that the switch be placed
in its ‘auto’ position. In this mode neither the
fans nor the LED will operate until the selected
ambient temperature is reached.
Rear Panel Description
The following description identifies each of the
main controls/connections and follows the rear
panel from left to right.
Temperature Sensor
This input enables you to connect the (supplied)
pigtail sensing cord. The magnetized ‘head’ should
be placed on the ‘hot spot’ of your installation
whereupon it will measure the ambient temperature, which in turn will govern the speed of the
three fans.
Please note that there is also an in-built sensing
device located on the underside of the chassis that
is by-passed if the pigtail sensor is used. If the pigtail sensor is not used, then the in-built sensor will
automatically activate once the selected minimum
temperature has been reached.
Trigger In/Out 12VDC Mode
With the mode switch in the 12V position, and the
‘in’ input being used, the C12 will move into its
‘auto’ mode whenever a 6V to 15V input signal is
supplied
been reached.
Should you want to use one or more C12’s within
the same location you can synchronize the units by
using the ‘sync’ switch. For this situation you
should use the ‘out’ jack from one unit (which then
becomes the ‘master’) and go into the ‘in’ jack for
the second unit (which then becomes the ‘slave’).
The two units will now be ‘in sync’ and will start
to work in unison once the prescribed initial temperature of the ‘master’ unit has been reached.
Note that in this type of multi-unit installation all
of the internal temperature sensors of the ‘slave’
units are defeated.
and the prescribed initial temperature has
Fan Auto-On Temperature
This switch enables you to pre-select one of two
temperature settings for activating the C12. The
low setting is 95 degrees Fahrenheit (35 degree Celsius) and the high setting is 104 degrees Fahrenheit (40 degrees Celsius). This important feature
ensures that the fans only work above the selected
ambient temperature.
If you want to want to exhaust the hot air to the
outside you will need to remove the two ‘plugs’
and attach flexible tubing (supplied by Sherbourn
as Model H 12). Please see page 3 for a fuller description of this feature.
How To Configure The C12 For
Different ‘Air-Direction’ Flow
The C12 is a versatile system that enables you to
configure the direction of the airflow in many different ways according to the specific needs of your
installation. Be sure to disconnect the power sup-
ply before removing the top cover.
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P
Front
SS
Exhaust
LOOSEN SCREWS ON BOTH SIDES AND LOWER INSIDE
1
FAN ASSEMBLY TO BOTTOM POSITION AND RETIGHTEN
SCREW PLASTIC
2
COVER OVER TO
COVER VENTS
SQUEEZE FOAM
CYLINDERS AND
3
INSERT IN BOTH
REAR HOLES TO
BLOCK AIR
Rear
Exhaust
Top Exhaust
(Front Entry)
REMOVE TOP COVER AND PLACE FOAM BLOCK
2
BEHIND FRONT PANEL TO BLOCK AIR FLOW
LOOSEN SCREWS ON BOTH SIDES AND LOWER INSIDE
1
FAN ASSEMBLY TO BOTTOM POSITION AND RETIGHTEN
LOOSEN SCREWS ON BOTH SIDES AND RAISE INSIDE
1
FAN ASSEMBLY TO TOP POSITION AND RETIGHTEN
REPLACE TOP COVER
3
AND SCREW PLASTIC
COVER OVER AIR VENTS
SCREW AIR TUBING IN REAR PANEL
HOLE FOR TWO TURNS TO SECURE.
4
USE TWO TUBES FOR MAXIMUM
VENTING OR BLOCK AIR IN SECOND
HOLE WITH FOAM CYLINDER AS
SHOWN ABOVE.
SQUEEZE FOAM
CYLINDERS AND
3
INSERT IN BOTH
REAR HOLES TO
BLOCK AIR
Top Exhaust
(Bottom Entry)
REMOVE TOP COVER AND PLACE FOAM BLOCK
2
BEHIND FRONT PANEL TO BLOCK AIR FLOW
LOOSEN SCREWS ON BOTH SIDES AND RAISE INSIDE
1
FAN A
EMBL Y TO TOP POSITION AND RETIGHTEN
SCREW PLASTIC COVER
2
OVER BOTTOM COVER VENTS
SQUEEZE FOAM
CYLINDERS AND
3
INSERT IN BOTH
REAR HOLES TO
BLOCK AIR
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Three Year Limited Warranty
Subject to the terms and conditions stated below , Sherbourn Technologies, Inc. (Sherbourn)
warrants to the original owner that this model
LDS2/150 shall be free from defects in workmanship or materials for a term of three (3)
years from its date of purchase from an Authorized Sherbourn Dealer. Transfer of this product by its original owner (the ‘Owner’) will automatically terminate this W arranty regardless
of when occurring.
In the event of any defect covered by this warranty ,
Sherbourn shall provide all parts, materials, and
labor necessary to restore the Product to its original specifications, and shall return the Product to
its owner at Sherbourn’s expense. In the alternative, Sherbourn may at its sole option either replace the Product without charge, or if its replacement is not commercially practicable or repair or
replacement cannot be accomplished within a reasonable time, Sherbourn may refund the purchase
price of the Product, subject where appropriate to
reasonable depreciation for actual use in accordance with applicable laws, in full satisfaction of
its warranty obligations.
Sherbourn’s sole obligation under this warranty
shall be to repair or replace the product, or at its
option refund the purchase price, as provided for
hereinabove. Sherbourn does not warrant
against, nor shall it be liable for, any of the following: removal or installation charges, shipping
expenses to Sherbourn or its authorized service
facility, loss of use, property damage of any kind,
or other incidental or consequential damage or
losses of any kind.
Note: Some states do not allow exclusion or limitation of consequential damages, so the foregoing
exclusions may not apply to you.
one other than Sherbourn or an Authorized
Sherbourn Service Facility; and Sherbourn shall
have no liability or obligation of any kind with respect to any of the foregoing losses types of failures.
To obtain service under this Warranty, the Owner
must first obtain from Sherbourn a Return Authorization Number, and must then, at the owner’s expense (i) arrange for any necessary de-installation
of the Product, and (ii) deliver or ship the Product,
properly packaged and clearly identified with the
Return Authorization Number, prepaid, and insured, to Sherbourn at the address shown below,
or to an Authorized Sherbourn Service Facility . In
addition, the Owner must provide evidence that the
Product is at the time of delivery within the scope
of this Warranty, by including the ORIGINAL
dated sales receipt with the Product when submitted for repair. Safeguard your original sales receipt,
as it may be required to validate Warranty coverage
The owner is solely responsible for payment of all
expenses for removing the Product from its installation, delivering it to Sherbourn or an Authorized
Sherbourn Service Facility , and reinstalling it following repair, as well as for any repairs made to
Products which are subject to the exclusions noted
above.
In order to learn the name and address of the nearest Authorized Sherbourn Service Facility, obtain
a Return Authorization Number and shipping instructions, or obtain answers to any other questions
you may have concerning this Warranty, you may
telephone Sherbourn between the hours of 9:00 am
and 5:00 pm Eastern Standard Time, Monday
through Friday at (978) 663-7385, or write to our
Service Department at Sherbourn Technologies,
Inc., 19-3A Sterling Road, North Billerica, MA
01862.
This warranty does not cover any of the following:
(a) cabinetry , trim, or other appearance items (except where they are defective at the time of original sale and the Product is delivered for repair
within the first thirty days (30) thereafter): (b) failures arising from accident, catastrophe, misuse,
neglect, or failure to properly connect and operate
the product in accordance with the accompanying
instruction: (c) failures arising from improper installation of the Product or incompatibility of other
components in the system of which the Product is
a part: (d) failures of any kind in products (i) which
have been purchased from other than Authorized
Sherbourn dealers, or (ii) which evidence any tampering, alteration, or attempted servicing by any-
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This warranty gives you specific legal rights, and
you may also have other rights which vary from
state to state.
If this product has been purchased outside of the
United States of America, you should contact your
local dealer or distributor to determine the warranty
coverage provided in your country .
Sherbourn
Sherbourn T echnologies, Inc.,19-3A Sterling Road,
North Billerica, MA 01862 Tel (978) 663-7385
Fax (978) 663-7389 Web www.sherbourn.com
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