The Sherbourn C-12
Contents
1. NOTE TO COMPLETELY DISCONNECT THE C 12 FROM THE AC POWER MAINS DISCONNECT THE AC POWER CABLE FROM THE AC RECEPTACLE NOTE THE C 12 s AC POWER CABLE MUST REMAIN READILY ACCESSIBLE AT ALL TIMES CAUTION TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 12 Cooling System Contents Important Safety Precautions and Explanation of Symbols IN oia 9 PIERRE asam RR oon te rete Reeth hr Sen SER AA ORE enter The Sherbourn pe RINA flee UNES eT rS Mechanical and Environmental Installation and Configuration Mechanical Configuration Performance Specifications eee eee eee eee WI CE Specia a EES SAO REP RE EEE EE Periodic Maini NANE ii ri eine aia dai sie Page 1 Introduction Thank you for choosing the Sherbourn C 12 Cooling System Sherbourn s innovative C 12 Cooling System is an efficient and flexible solution to the problem of excessive heat in a rack or built in system Heat is a major threat to the reliability and performance of modern home theater hardware All equipment generates heat and many racks and other installations have little or no ventilation2. Rack mountable Yes Power requirements 115 VAC or 230 VAC 10 50 60 Hz operating voltage is factory configured Power consumption approximately 10 watts at high speed Page 3 Installation and Configuration How the Sherbourn C 12 operates is determined both by switch settings and by mechanical reconfiguration of parts of the device Read and follow the instructions carefully Improper or incomplete configuration may result in unusual or unexpected behavior In general the electrical configuration and switch settings determine when and if the C 12 fans will operate and at what speed while the mechanical configuration determines the direction of air flow through the unit when the fans are active Note The Trigger In connector on the C 12 is a switched connector Connecting a cable to this input operates a switch inside the C 12 so plugging in a cable that is not connected to an appropriate device at the other end may result in improper operation of the C 12 The Trigger In connection also serves different purposes depending on how the Trigger Mode switch is set Note The Trigger Out connector carries different signal levels depending on how the Trigger Mode switch is set Specifically when the Trigger Mode switch is in the Sync position the Trigger Out should NOT be used to trigger ordinary 12 V triggered devices Front panel Power Switch On Auto on the left side of the front panel This is a mech
3. so the C 12 is all that stands between your equipment and poor performance or an early death The Sherbourn Team The Sherbourn C 12 The C 12 s three whisper quiet variable speed fans can move over 100 cubic feet of air per minute and it offers a wide variety of options enabling you to customize the air flow to your needs including an external exhaust duct Some of the features that make the C 12 so flexible include a low voltage trigger a built in thermal and or external pigtail sensor a user selectable temperature activation threshold and the ability to synchronize two or more units to run at the same speed About This Manual This manual will provide you with all the information you need to install and configure the Sherbourn C 12 Cooling System to achieve its optimum potential The manual also includes a brief summary of the features offered by the C 12 and a short description of how the controls work and how to perform common operations You may wish to record serial numbers or other purchase information on the Notes page at the back of this manual Page 2 Mechanical and Environmental SHERBOURN C 12 SIDE TOP cover plate TOP amp BOTTOM external C12 body FRONT front panel removed front panel FRONT external Y 0 1825 1 Dimensions 19 wide x 3 25 high x 9 deep includes feet foam plugs Weight 11 105 5 kg unboxed 12 Ibs 5 5 kg boxed
4. unit in Sync mode is connected to its Trigger In Problem Fans come on but air flow seems weak Verify that the C 12 is configured correctly mechanical configuration e Check if the filter needs cleaning If exhaust hoses are used verify that they are clear of obstruction and not too long Problem Fans ONLY run at full speed Verify that if a trigger input is used and the C 12 is not a slave unit to another C 12 the Trigger Mode switch is not in the Sync position Page 13 Sherbourn Technologies LLC Ten Year Limited Warranty What does this warranty cover Sherbourn Technologies LLC Sherbourn warrants its products against defects in materials and workmanship This warranty is subject to revision at any time How long does this coverage last This warranty commences on the date of retail purchase by the original retail purchaser and runs for a period of ten 10 years thereafter with the following exceptions 1 receivers including the SR 8100 SR 8200 and SR 120 preamp processors including the PT 7030 PT 720C4 and PT 7020 preamplifiers including the PRE 1 and the CD 1 CD Player with the exception of the slot load CD engine are covered by this warranty for five 5 years from the date of retail purchase by the original purchaser and 2 electromechanical components including the slot load CD engine on the CD 1 CD Player and all fans including the C 12 Cooling Unit are covered by this w
5. 4 degrees Fahrenheit about 35 to 40 degrees Celsius Power modes Always on Auto on by temperature by temperature when triggered Sync mode slave to another unit Page 9 Features The Sherbourn C 12 Cooling System offers an effective and flexible cooling solution for rack mounted equipment Some of the features of the C 12 include Uses three high capacity whisper quiet 4 75 inch fans Front panel Power switch and blue LED indicator light e be mechanically configured for front exhaust with bottom entry top exhaust with front entry top exhaust with bottom entry or rear exhaust with bottom entry Front panel intake includes air filter Offers two exhaust ports and optional exhaust hose for maximum flexibility Includes embedded thermal sensor and optional remote sensor Rear panel input for remote sensor Optional synchronization of fan speeds between multiple units e 12 volt trigger input Selectable starting temperature 95 or 104 degrees Fahrenheit 35 or 40 degrees Celsius Rack mount front panel included removable You can find more information about the Sherbourn C 12 Cooling System on our Web site at http www sherbourn com Page 10 Operation The Sherbourn C 12 is normally configured to operate automatically In normal operation the C 12 fans will not operate until the configured Starting Temperature has been exceeded at the senso
6. ER LIMITATION ALL SUCH WAIVERS LIMITATIONS CONTAINED IN THIS WARRANTY ARE INAPPLICABLE TO YOU CERTAIN STATES HAVE ENACTED LAWS WHICH REQUIRE THE DURATION OF A WARRANTY TO BE EXTENDED INCLUDING BUT NOT LIMITED TO DURING PERIODS OF REPAIR TO THE EXTENT YOUR STATE HAS ENACTED A LAW OF THIS NATURE THEN THE DURATION OF THIS WARRANTY WILL BE EXTENDED AS REQUIRED BY APPLICABLE LAW Notes All information contained in this manual is accurate to the best of our knowledge at the time of publication In keeping with our policy of ongoing product improvement we reserve the right to make changes to the design and features of our products without prior notice User Manual Revision 1 0 February 2013 Page 15 Sherbourn Technologies 131 Southeast Parkway Court Franklin TN 37064 www sherbourn com
7. LIQUIDS SUCH AS VASES ARE PLACED ON IT DOING SO MAY RESULT IN DAMAGE TO THE C 12 AND THE RISK OF ELECTRIC SHOCK WHICH MAY RESULT IN BODILY INJURY OR DEATH WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THE COVER FROM THE C 12 EXCEPT TO MAKE CONFIGURATION CHANGES AS DIRECTED IN THIS MANUAL The Sherbourn C 12 is a cooling device and as such is intended to be installed in locations above A equipment that generates heat The C 12 may be configured to exhaust hot air in several different directions depending on the configuration chosen and to operate in several different modes Do not install the C 12 in locations where the flow of air as configured per the instructions in the manual is impeded or blocked Do not block vents or exhaust openings in the C 12 except as directed in this manual to implement the chosen configuration Improper configuration of the C 12 or blocking of the vents or air flow openings of the C 12 may result in improper or insufficient operation of the C 12 Doing so may result in causing either the C 12 or the equipment it services to overheat which may result in the risk of fire personal injury or equipment damage Always install your C 12 according to the manufacturer s instructions and only use attachments or accessories specified by the manufacturer The C 12 is available in both 115 VAC and 230 VAC versions both are marked on the exterior Ensure that the version you have is the correct one
8. Sherbourn 12 COOLING UNIT Important Safety Precautions and Explanation of Symbols The exclamation point within an equilateral triangle is intended to alert the user to the presence of important installation operation and service instructions in this manual The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltages within the enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to the user Please read this Installation and Operation Manual thoroughly before attempting to install configure or operate the Sherbourn C 12 After successful installation and configuration of the C 12 be sure to retain this manual in a safe place for future reference Safety is a key component to a long lasting and trouble free installation Please read and follow all instructions and heed all warnings on the C 12 and in this manual The vast majority of the subsequent safety precautions are common sense If you are not comfortable with the installation of audio video entertainment equipment you should seek the services of a qualified installation professional or call us for help WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT USE THE A C 12 NEAR WATER OR IN WET LOCATIONS DO NOT EXPOSE IT TO RAIN OR MOISTURE DO NOT EXPOSE IT TO DRIPPING OR SPLASHING FROM OTHER SOURCES AND ENSURE THAT NO OBJECTS FILLED WITH
9. Trigger In connector unless the other end is connected to an active device Problem No air flow fans sound like they are running Verify that the C 12 is configured correctly mechanical configuration Problem Fans never come on even at high temperatures e Verify that if a remote temperature sensor is used it is in the warmest spot the cabinet e Verify that the Fan Auto On temperature control is set to the desired temperature Verify that ONLY a remote temperature sensor is plugged into the Temp Sensor connector plugging a trigger cable or other cable into this connector will result unpredictable behavior and possible damage to the C 12 Verify that if a remote device is expected to trigger the C 12 the trigger signal is active and the Trigger Mode switch in in the 12VDC position Problem Fans run when they shouldn t Verify that the Fan Auto On temperature control is set to the desired temperature e Verify that ONLY a remote temperature sensor is plugged into the Temp Sensor connector plugging a trigger cable or other cable into this connector will result unpredictable behavior and possible damage to the C 12 Verify that if a remote device is expected to trigger the C 12 the trigger signal is active and the Trigger Mode switch in in the 12VDC position Verify that if the C 12 is being run in Sync mode the C 12 unit connected to its Trigger In is also in Sync mode and that ONLY another Sherbourn C 12
10. anical push button switch which toggles between settings each time it is pressed so it retains its setting when the C 12 is powered off When the front panel switch is in the On position in the C 12 fans will run at full whenever mains power is applied to the C 12 regardless of the temperature or other settings or connections When the front panel switch is in the Auto position out the operation of the C 12 is controlled by the Trigger Mode switch trigger connections and temperature sensors Front panel LED blue The front panel LED is located just above the front panel Power switch This LED will light blue when power is applied to the fans it is not a power LED and will not be lit if mains power is present but the C 12 fans are off because their temperature trigger threshold has not been exceeded Fan Auto On Switch rear panel This switch sets the temperature at which the C 12 fans switch on when in Auto mode The temperature range is from approximately 95 degrees low to 104 degrees high Fahrenheit about 35 and 40 degrees Celsius respectively The C 12 s fans will start running at a slow speed and very quietly when this temperature is exceeded and will run faster as the temperature increases Once the temperature exceeds this threshold by about fifteen degrees the fans will be running at full speed and maximum air flow capacity The fans will run only as fast as needed to maintain the desired temper
11. arranty for three 3 years from the date of retail purchase by the original retail purchaser This warranty is transferrable upon written notification to Sherbourn to any person that owns the warranted product however if ownership is transferred the Term shall be no longer than five 5 years from the date of purchase by the original purchaser Sherbourn warrants any replacement product or part furnished hereunder against defects in materials and workmanship for the longer of the following i the amount of time remaining under the original warranty or ii 120 days from your receipt of the repaired or replaced product The duration described in the previous 3 sentences is hereinafter referred to as the Term TO THE FULLEST EXTENT PERMITTED BY LAW ALL IMPLIED WARRANTIES RELATED TO THE ORIGINAL PRODUCT AND ANY REPLACEMENT PRODUCT OR PARTS INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY LIMITED TO THE TERM OF THIS LIMITED WARRANTY SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU Aclaim under this warranty must be made by you within the Term Aclaim shall not be valid and Sherbourn has no obligation related to the claim if it is not made within the Term and if it is not made in strict compliance with the requirements of the How do you get service section What will Sherbourn do Sherbourn will at its option e
12. ature Temperature Sensor connector 1 8 jack on rear panel The C 12 has an internal temperature sensor mounted on the bottom of the chassis The Temperature Sensor jack on the rear panel allows for connection of an optional magnetically mounted remote sensor When the external sensor is plugged in the internal sensor is completely overridden To ensure proper operation use only the appropriate Sherbourn supplied external sensor Page 4 Basic Auto operation In this mode the front panel Power switch is set to the Auto position the Trigger Mode switch is set to the 12VDC position and nothing is plugged into the Trigger In connector The C 12 is controlled by the temperature at the temperature sensor If the remote sensor is attached then this is the temperature at that location if no remote sensor is attached then it is the temperature at the bottom panel of the C 12 unit When the remote sensor is attached the internal sensor is disabled and ignored When the temperature at the sensor reaches the value set by the Fan Auto On Temperature switch the fans will start at slow speed If the temperature continues to rise the fans will speed up until they reach maximum speed The end result is that the fans will run just fast enough to keep your cabinet at or slightly above the set temperature When the temperature is below the set temperature the fans will not run Triggered Auto operation In this mode the front panel Pow
13. er switch is set to the Auto position the Trigger Mode switch is set to the 12VDC position and a trigger cable from some other device is plugged into the Trigger In connector Note The Trigger In connector on the C 12 is a switched connector If you plug a cable into the Trigger In connector and don t connect it to anything the C 12 will NOT operate in Auto mode at all When the trigger input is high 12 VDC the C 12 operates exactly as it does in Basic Auto mode the fans start running when the temperature at the sensor exceeds the threshold temperature set by the Fan Auto On Temperature control When the trigger input is low the C 12 fans do not operate Sync mode Sync mode allows the operation of multiple C 12 units to be controlled by a single master unit One unit is designated as the master and a second or more units as slaves The fans in all slave units will switch on at the same time and run at the same speed as those in the master unit All activity will be controlled by the temperature sensor and temperature threshold setting of the master unit All sensors in slave units will be ignored In this mode the front panel Power switches in all master and slave units are set to the Auto position and the Trigger Mode switches are set to the Sync position A trigger cable is connected from the Trigger Out of the master unit to the Trigger In of the slave or first slave If there are additional slave units
14. for your local AC line voltage and only connect your C 12 to outlets of the correct voltage Only connect the C 12 to an electrical outlet or extension cord of appropriate type and rating Protect the AC power cable from being pinched walked on or otherwise damaged Be especially careful where the power cable exits the C 12 unit DO NOT defeat the safety purpose of a grounding or polarized plug by removing ground pins or using unsafe adapters A polarized plug has two blades one wider than the other A grounding plug has a third ground prong in addition to the two main conductors The wide blade or third groundling prong is provided for your safety If the provided plug does not fit your outlet consult an electrician to replace your obsolete outlet The C 12 should be unplugged from the outlet during severe electrical storms or when unused for a long period of time The C 12 should only be cleaned as directed in the Installation and Operation Manual Avoid spraying liquids directly onto the C 12 and NEVER spray liquids into the vents Care should be taken so that small objects do not fall into the inside of the C 12 1 You should seek service for your 12 by qualified service personnel if any of the following occur 1 Objects or liquid have fallen or spilled into the vents 2 The C 12 has been exposed to rain 3 The C 12 exhibits a marked change in performance 4 The C 12 has been dropped or its enclosure or chassis is damaged
15. ir flow from the rear exhaust vents is configured lengths of standard 1 1 2 pool skimmer hose are inserted into the rear vents after removing and retaining the plugs The hose should not include end fittings of any sort the spiral hose should be screwed directly into the rear panel about two turns Front Exhaust bottom entry Ensure that the filter not the foam block is installed behind the front grill Ensure that the cover plate covers the vents in the top plate Ensure that both rear plugs are firmly inserted Ensure that the fan assembly is in the lower position against the bottom plate of the C 12 Rear Exhaust bottom entry Ensure that the foam block not the filter is installed behind the front grill Ensure that the cover plate covers the vents in the top plate Ensure that both rear plugs are removed Ensure that exhaust hose is firmly inserted into the rear vents Ensure that the fan assembly is in the lower position against the bottom plate of the C 12 Note The maximum air flow rate of the C 12 will be somewhat reduced with this option and will depend on the overall length of vent hose used Using short hose runs with as few bends as possible will help to maximize air flow and so maximize cooling Page 6 gc PLATE lt F RO NT COVER PLATE top position N pera nn N ASSEMBLY FILTER 1 A R BOTTOM PLATE COVER PLATE bottom position COVER PLATE
16. ither i repair the product or ii replace the product with a new consumer product which is identical or reasonably equivalent to the product Sherbourn may provide you with a refund of the actual purchase price of the product in the event i Sherbourn is unable to provide replacement and repair is not commercially practicable or cannot be timely made or ii you agree to accept a refund in lieu of other remedies hereunder When a product or part is repaired or replaced any replacement item becomes your property and the replaced item becomes Sherbourn s property When a refund is given the product for which the refund is provided must be returned to Sherbourn and becomes Sherbourn s property What is not covered by this warranty This warranty does not apply i to damage caused by use with non Sherbourn products where the non Sherbourn product is the cause of the damage ii to damage caused by service or maintenance performed by anyone who is not a representative of Sherbourn iii to damage caused by accident abuse misuse flood fire earthquake or other external causes iv to a product or part that has been modified after its retail purchase where the modification caused or contributed to the damage v to consumable parts such as batteries vi normal wear tear or vii if any Sherbourn serial number has been removed or defaced and Sherbourn cannot otherwise confirm that you are the original retail purchaser or authorized tra
17. nsferee SHERBOURN SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL Page 14 DAMAGES ARISING FROM OR RELATED ANY DEFECTS IN DAMAGES ITS PRODUCTS SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY How do you get service In order to make a claim under the warranty you must 1 Call a customer service representative CSR of Sherbourn at 1 877 EMO TECH 1 877 366 8324 Provide the CSR with a description of your problem and the serial number of the product for which the warranty claim is being made 2 The CSR will provide you with a returned material authorization number RMA 3 Ship the product to Sherbourn at the following address with the RMA written in large bold letters on the outside of the box and with the letters RMA written before the number Parcels arriving without a RMA number on the outside of the box will be refused Sherbourn Technologies LLC Attn Repair Department 131 Southeast Parkway Court Franklin TN 37064 How does state law apply This warranty gives you specific legal rights and you may also have other rights which vary from state to state CERTAIN STATES HAVE ENACTED LAWS WHICH PRECLUDE THE WAIVER OF CONSEQUENTIAL AND INCIDENTAL DAMAGES AND OR PRECLUDE THE WAIVER LIMITATION OF IMPLIED WARRANTIES TO THE EXTENT YOUR STATE HAS ENACTED LAW WHICH PROHIBITS SUCH A WAIV
18. r At this point the C 12 s fans will start operating at minimum speed fan speed will gradually increase as the temperature rises above the starting temperature In situations where little air flow is needed the fans will operate at the minimum speed necessary to maintain temperature ensuring minimum noise The front panel switch allows the C 12 to be manually run with the fans at full This mode is typically used only for testing purposes Page 11 Periodic Maintenance The Sherbourn C 12 requires very little periodic maintenance Cleaning the 12 air filter The interior of the C 12 and especially the air filter may become dusty or accumulate lint and other debris with normal operation If this occurs periodically disconnect the power remove the top cover and vacuum out any loose debris and dust that has accumulated be careful to avoid damaging the interior circuit boards and wiring The filter should be vacuumed periodically and may be carefully washed and rinsed if necessary Page 12 Troubleshooting If problems occur the first step should be to verify that the Sherbourn C 12 is attached to the correct line voltage The C 12 is factory configured to operate at either 115 VAC or 230 VAC Note If a cable is connected to the Trigger Input of the C 12 but not connected to a triggering device the C 12 will not act as expected with the Trigger switch in either position DO NOT insert a cable into the
19. then a trigger cable is connected from the Trigger Out of the first slave to the Trigger In of the second slave and so on this is repeated until all slaves are connected slaves must be set to Auto and to Sync mode Note In Sync mode there should NOT be anything plugged into the Trigger In connector of the master unit In this mode ALL C 12 units are controlled by the temperature at the temperature sensor of the master unit If the remote sensor is attached then this is the temperature at that location if no remote sensor is attached then it is the temperature at the bottom panel of the C 12 unit When the temperature at the sensor reaches the value set by the Fan Auto On Temperature knob the fans will start at slow speed If the temperature continues to rise the fans will speed up until they reach maximum speed Page 5 Mechanical Configuration The direction of air flow in the C 12 is determined by the mechanical configuration of the unit itself The parts involved in the mechanical configuration of the C 12 are Top and bottom plates The C 12 is always operated with both top and bottom plates in place The top plate is removed to facilitate installing the foam block or air filter behind the front panel Cover plate The cover plate metal is used to cover the top or bottom vents to force air flow in the proper direction One cover plate is supplied with the C 12 and it is not used in all configurations be s
20. top position N E 1 1 1 1 lt q FAN 1 ASSEMBLY N 1 1 FILTER FRONT EXHAUST COVER PLATE top position N REAR EXHAUST FOAM BLOCK TOP EXHAUST front entry REAR 1 PLUGS A FILTER 1 ASSEMBLY COVER PLATE bottom position TOP EXHAUST bottom entry Fe ASSEMBLY FOAM BLOCK Page 7 Top Exhaust front entry Ensure that the filter not the foam block is installed behind the front grill Ensure that the cover plate covers the vents in the bottom plate Ensure that both rear plugs are firmly inserted Ensure that the fan assembly is in the upper position against the top plate of the C 12 Top Exhaust bottom entry Ensure that the foam block not the filter is installed behind the front grill Ensure that the cover plate is completely removed Ensure that both rear plugs are firmly inserted Ensure that the fan assembly is in the upper position against the top plate of the C 12 Page 8 Performance Specifications Air flow capacity gt 100 cfm direct outlet variable maximum airflow will be reduced if long exhaust ducts are used Cooling modes manually selected Bottom Entry Front Exhaust Bottom Entry Rear Exhaust can optionally be ducted using 1 1 2 hose x 2 Front Entry Top Exhaust Bottom Entry Top Exhaust Auto On temperature Switchable from approximately 95 degrees Fahrenheit to 10
21. ure to retain the cover plate and screws in a safe place when not in use Fan assembly The fans inside the C 12 are mounted on a movable carriage which allows them to be positioned against either the top or bottom of the case Fans are moved by loosening the four large screws on the sides two on each side repositioning the fan assembly and re tightening the screws Filter and Foam Block The C 12 is supplied with both a foam filter and a dense foam block both of which fit behind the front panel vents The filter is used when air flow through the front panel is desired the foam block is used to prevent air flow through the front panel when it is not desired Only one is used at once be sure to retain the other in a safe place To configure these remove the top plate and insert whichever one is required against the front panel sliding it behind the long screws protruding from the bottom plate Then replace the top plate by inserting the front edge first tilt the plate and insert it so the long protruding screws pin the filter or foam block against the front panel rather than impaling it Rear plugs The rear plugs are foam cylinders used to block the rear vents 2 when air flow from the rear is not configured These plugs are dense foam cylinders and are inserted by squeezing them and pressing them approximately halfway into the two holes in the rear panel a slight twisting motion will help Rear exhaust hose When a
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