VIZIO F-2852CU2 User's Manual
Contents
1. Safety wire hook Mounting hole 6250 9 27 32 rest 236 9 2 s Approx 600 23 5 s Safety wire accessory Max 202 7 61 64 Ceiling tile 5 MOUNTING HARDWARE INSTALLATION Before mounting the speaker check the ceiling structure is of drop ceiling with 2 foot standard ceiling tiles Installation view on Drop Ceilings Caution Set the tile bridge so that both ends fit securely into the T grids even if the ceiling tile accidentally falls off Tile bridge accessory T grid Ceiling tile Installation procedures Step 1 Cut a 0250 mm 9 hole in the ceiling Use the supplied paper pattern to position and trace the hole 0250 5 mm 9 27 32 213 64 MS Ceiling tile CANAAN eT SSS Step 2 Place the supplied tile bridge on the 2 foot tile as shown below Tile bridge accessory 2 foot a T grid Step 3 Attach a safety wire to prevent the speaker from accidentally falling To attach tie one end of the supplied safety wire around the speaker s safety wire hook and tie its snap ring around a secure C channel bar or suspension pipe Safety wire accessory Secure C channel bar or suspension pipe Tile bridge accessory 2 foot tile T grid PS Ceiling tile Safety wire accessory Safety wire hook Speaker unit 6 WIRING 6 1 Wiring through Hard or Flexible Conduit2. 1 Rev A Z f TOA INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F 2852CU2 Please follow the instructions in this manual to obtain the optimum results from this unit We also recommend that you keep this manual handy for future reference TOA Corporation TABLE OF CONTENTS 1 SAFETY PRECAUTIONS eode aanak ha GANA 3 2 GENERAL DESCRIPTION dodo bt bel esti tabe ana 4 3 FEATURES sit efi ae ERE AE e 4 4 NOMENCLATURE AND DIMENSIONS 5 5 MOUNTING HARDWARE INSTALLATION 6 6 WIRING 6 1 Wiring through Hard or Flexible Conduit e 8 6 2 Wiring with Naked Cables 9 7 CABLE CONNECTION TO INPUT CONNECTOR _ 10 8 SPEAKER INSTALLATION 11 9 REMOVING THE SPEAKER FOR MAINTENANCE 9 1 Detaching the Front Grille 13 9 2 Removing the Speaker 13 10 REPAINTING THE SPEAKER FRONT 14 11 INPUT OVERLOAD PROTECTION FUNCTION _ 14 12 SAFETY AGENCY COMPLIANCE _ 15 13 SPECIFICATIONS eite Pt let kaa eos ducant 16 ACCeSSOLIGS eese E erp Yee AA 16 1 SAFETY PRE
3. Note The choke bracket equipped with the speaker has not been evaluated by UL for conduit connection and UL514B Standard Flexible conduit of 3 8 or 1 2 inch trade size and the UL514B conduit fitting of the same trade size can also be used When using the UL514 listed conduit fitting detach the equipped choke bracket and mount the conduit fitting instead Loosen the screw to allow the speaker cable to pass through Plug the wired input connector into the speaker s socket then pull the speaker cable from the choke bracket For wiring the input connector refer to p 10 Flexible conduit Choke bracket m d S Accommodating larger diameter conduit The choke bracket accommodates up to 3 8 inch 9 5 mm flexible conduit When larger diameter conduit should be fit use a suitable fitting commercially available by replacing the existing choke bracket with it Detaching the choke bracket by unscrewing it exposes a 7 8 inch 22 mm hole Install the alternate fitting there Retighten the screw to fix iL the flexible conduit Note Ensure that the flexible conduit is securely fixed N Connector cover After completing the speaker cable connection turn the connector cover in the direction indicated by the arrow and fix the cover with 2 screws 6 2 Wiring with Naked Cables Loosen the screw to allow the speaker cable to pass through Plug the wired input connector into the speaker s socket then pull the speaker cabl
4. without notice for improvement Accessories Front grille een bee 1 Tile bridge asia iaa eate 1 Safety wire approx 60 cm or 23 5 8 1 Paper pattern 1 Z TOA Corporation 533 06 148 00
5. CAUTIONS Be sure to read the instructions in this section carefully before use Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included We also recommend you keep this instruction manual handy for future reference Safety Symbol and Message Conventions Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling Before operating your product read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards AN WARNING A CAUTION Indicates a potentially hazardous situation which if mishandled could result in death or serious personal injury Indicates a potentially hazardous situation which if mishandled could result in moderate or minor personal injury and or property damage A WARNING Leave the installation to your TOA dealer because the installation requires expert knowledge Improper installation may cause the unit to fall resulting in personal injury and or property damage Install the unit in a location that can structurally support the weight of the unit and its mounting hardware Doing otherwise may result in the unit falling down and causing personal injury and or property damage Do not use other methods than specified to mount the unit Extreme fo
6. dge to prevent injury 2 GENERAL DESCRIPTION The F 2852CU2 is a flush mounted Ceiling Speaker System that offers a wide frequency range of high quality sound output It is specifically designed to be mounted to a drop ceiling with use of the supplied tile bridge 3 FEATURES Two way bass reflex speaker system designed to provide a wide frequency range and high power handling capability Ideal for locations that have high ceilings or require true to life sounds Uniform sound output levels are achievable not only in the position directly under the speaker but also over a wide radius Coverage angle is approximately 110 Because the speaker is provided with both low and high impedance operating capability it can be used in many different applications Front panel mounted input selector switch permits easy verification and change of current impedance settings Easy installation Can be quickly and accurately mounted to ceilings Rotating front grille can be installed quickly and conveniently Attractive exterior design specially created by an interior designer blends naturally with any architectural space enhancing the immediate area s sense of harmony 4 NOMENCLATURE AND DIMENSIONS Front Front grille accessory Rear Connector cover Ceiling mounting Tile bridge accessory Choke bracket Side 0280 11 1 32 Unit mm inches 0245 9 41 64
7. e from the choke bracket hok ket up MOKO pracha For wiring the input connector refer to p 10 Note Retighten the screw to fix Ensure that the speaker cable is securely fixed the speaker cable Connector cover After completing the speaker cable connection turn the connector cover in the direction indicated by the arrow and fix the cover with 2 screws 7 CABLE CONNECTION TO INPUT CONNECTOR Recommended cable types Solid copper wire 01 0 01 6 mm equivalent to AWG 18 14 Stranded copper wire 0 75 2 5 mm equivalent to AWG 18 14 Cover mounting screw Speaker unit Step 1 Loosen the 2 cover mounting screws and rotate the connector cover in the direction indicated by the arrow in the figure at right Connector cover Removable input E connector N Step 2 Detach the removable input connector from the speaker s socket and loosen the screw of the terminal to be used Speaker unit Step 3 Insert the stripped cable end into the terminal and tighten the terminal screw with a screwdriver If not bridging If bridging From Amplifier 5 mm 13 64 3 To the next speaker Note If not making bridge connections be sure to tighten unused terminal screws to avoid their vibration 10 8 SPEAKER INSTALLATION 2 Caution A n Before mounting check to be sure that the speaker s Out Y 4 mounting tabs are turned inside the unit as s
8. hown N in the figure S If turned outward the speaker cannot be inserted through the mounting hole N M P Step 1 Insert the speaker through the mounting hole till it contacts the ceiling panel While doing so avoid directly touching the speaker s diffuser section N WARNING A m Never hold the tweeter section as a handle to Mounting hole carry the speaker during installation If the tweeter section breaks off the unit could fall from an elevated position resulting in possible personal injury NM i lt a amp X Tweeter section Step 2 Rotate and tighten the mounting tab axis screws 4 places on the unit clockwise to their full stop in order to grip the ceiling panel with the mounting tabs Mounting tab Mounting tab axis screw Use an electric screwdriver to tighten Tightening torque 6 10 kgf cm 11 Step 3 Set the input power Turn the input selector switch on the unit s front to F 2852CU2 set it to the desired input impedance Factory preset to 170 Step 4 Attach the front grille Align the tabs 4 places on the back side of the grille with the corresponding notches in the unit then rotate the grille to full stop in the direction indicated by the LOCK arrow Speaker Tip The front grille employs a double locking system that clicks into place once partway through rotation but only locks into position at i
9. ne Setting Position 1 5 7 5W 15W 30W 60W 0 2W O9W 1 9W 3 7W 7 5W 15 13 SPECIFICATIONS Enclosure Bass reflex type Rated Input 60 W High Impedance Power Handling Capacity Continuous pink noise 90 W 8 60 W 16 Impedance 70 V line 83 60 W 170 30 W 330 15 W 670 7 5 W 3 3 1 5 W 25 V line 83 7 5 W 170 3 7 W 330 1 9 W 670 0 9 W 3 3 0 2 W 160 80 Frequency Response 60 20 000 Hz Sound Pressure Level 91 dB 1 W 1 m Speaker Component High frequency Dome type Low frequency 16 cm 6 2 cone type UL Cord UL1480 UEAY UL2043 CAN CSA C22 2 No 205 UEAY7 Mounting Hole 0250 mm 9 27 32 Maximum ceiling thickness 37 mm 1 29 64 Input Terminal Removable locking connector with screw down terminals 2 input terminals and 2 bridge terminals Usable Cable Solid copper wire 901 0 01 6 mm equivalent to AWG 18 14 Stranded copper wire 0 75 2 5 mm equivalent to AWG 18 14 Finish Enclosure Steel plate plating Baffle Fire resistant ABS resin resin material grade UL 94 V O or its equivalent black Rim Fire resistant ABS resin resin material grade UL 94 V 0 or its equivalent white paint Punched net Steel plate white paint Dimensions 9280 mm 11 2 x Depth 236 mm 9 2 Weight 5 8 kg including mounting accessories Note The design and specifications are subject to change
10. not use thinner or other volatile liquids to clean the grille Step 2 Spray on a uniform thin coat of paint Cautions Avoid painting with a roller or brush as the grille mesh holes could become clogged with paint Use appropriate spray paints for the front grille grille and frame materials Grille Rolled steel plate Frame Fire resistant ABS resin acrylic paint Be sure to follow the directions indicated on the paint when painting Step 3 After the paint has dried apply another light coat Caution Repeating Step 2 apply two or more light coats of paint Application of one thick coat of paint all at once may cause drips or unevenness to show up in the painted finish or clog the mesh holes 11 INPUT OVERLOAD PROTECTION FUNCTION The F 2852CU2 features an internal input overload protection circuitry If an extremely high input level is fed to the unit the protection circuitry automatically cuts off the signal to the speaker element A drastic reduction in sound volume indicates that the protection circuitry has been enabled In such cases simply reduce the amplifier volume The protection circuitry will automatically reset in approximately 10 seconds After reset try to maintain the volume at a level slightly lower than before Caution This protection circuitry does not completely protect the unit against extremely high input power levels Depending on the type or duration of excessive power input the protection circuitr
11. rce is applied to the unit and the unit could fall off possibly resulting in personal injuries Attach the safety wire to the unit If not attached the unit could fall off resulting in personal injury Tighten each screw securely Ensure that the unit has no loose joints after installation to prevent accidents that could result in personal injury Never hold the tweeter section as a handle to carry the unit during installation If the diffuser breaks off the unit could fall from an elevated position resulting in possible personal injury e Use the specified mounting hardware in combination Doing otherwise may cause the unit or component to fall off resulting in personal injury Should the following irregularity be found during use immediately stop operating the unit and contact your nearest TOA dealer Further attempt to use under this condition may cause fire or electric shock If you detect smoke or a strange smell coming from the unit If no tone sounds A CAUTION Avoid installing the unit in humid or dusty locations in locations exposed to the direct sunlight near the heaters or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock Do not operate the unit for an extended period of time with the sound distorting This is an indication of a malfunction which in turn can cause heat to generate and result in a fire Avoid touching the unit s sharp metal e
12. ts point of full rotation Always be sure to rotate the grille to its full stop Front grille Tab 4 places accessory 12 9 REMOVING THE SPEAKER FOR MAINTENANCE 9 1 Detaching the Front Grille Turn the front grille counterclockwise to full stop then lightly 4 1 Unlock pull it downward Tip The front grille employs a double locking system If the grille cannot be detached when lightly pulled downward it likely has not yet been fully rotated back to the detachment position In such cases take care to rotate the grill fully counterclockwise in order to release the lock i 2 Pull lightly o o D is 8 Bo 8883 B98 es 995 98 Front grille 9 2 Removing the Speaker Rotate the 4 mounting tab axis screws counterclockwise The mounting tabs rise as they turn allowing the speaker to be removed Caution When loosening the mounting tab axis screws support the speaker by hand to prevent it from falling Screw cap Mounting tab Use an electric screwdriver to detach Caution Be sure to set the screwdriver s torque for under 4 kgf cm Failure to do so may cause the Screw cap and the Mounting tab to fall off on the rear of ceiling panel 13 14 10 REPAINTING THE SPEAKER FRONT GRILLE Note Be sure to detach the front grille from the speaker before repainting Step 1 Clean the front grille before painting Wipe with a soft cloth dampened in a detergent Caution Do
13. y might not be enabled resulting in damage to the speaker element Also if the excessive power input continues for a long period of time the circuitry may not be capable of resetting to its original condition Use the system with care so that the speakers are not exposed to excessive power input 12 SAFETY AGENCY COMPLIANCE This product is for indoor use only S8460 c UL Jus 16VP Signaling Speaker Enclosure General signaling speaker UL1480 Category UEAY and CAN CSA C22 2 No 205 Category UEAY7 Products Listed under these categories are suitable for use in general non fire alarm signaling service in conjunction with compatible Listed audio equipment the combination of which is intended to be installed in accordance with the applicable requirements of the National Electrical Code NEC and the local authority having jurisdiction Suitable for use in air handling spaces UL2043 Fire Test for Heat and Visible Smoke Release for Discrete Products and their Accessories Installed in Air Handling Spaces 1998 NFPA 70 National Electrical Code NEC 2002 Article 300 22 c and NFPA 90A Installation of air conditioning and ventilation systems section 2 3 10 1 a exception 3 Output power vs switch settings for 25 V and 70 V line operation The rotary switch on the F 2852CU2 s front panel permits selection of speaker handling power on 25 V or 70 V line operation as shown in the table below 70 V Line 25 V Li
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