Toa F-2852CU2 User Manual
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.
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TABLE OF CONTENTS
1. SAFETY PRECAUTIONS ............................................................................... 3
2. GENERAL DESCRIPTION ............................................................................. 4
3. FEATURES .......................................................................................................... 4
4. NOMENCLATURE AND DIMENSIONS ..................................................... 5
5. MOUNTING HARDWARE INSTALLATION ............................................... 6
6. WIRING
6.1. Wiring through Hard or Flexible Conduit ........................................................... 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 GRILLE...................................... 14
11. INPUT OVERLOAD PROTECTION FUNCTION .................................... 14
12. SAFETY AGENCY COMPLIANCE ............................................................. 15
13. SPECIFICATIONS ............................................................................................ 16
Accessories ............................................................................................................. 16
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• 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 force 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.
• 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
• 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 edge to
prevent injury.
CAUTION
1. SAFETY PRECAUTIONS
• 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.
WARNING
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.
WARNING
CAUTION
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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.
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4. NOMENCLATURE AND DIMENSIONS
Unit: mm (inches)
[Front]
Front grille (accessory)
[Rear]
[Side]
/32)
1
ø280 (11
38 (1 1/2)
Safety wire hook
236 (9
/8)
5
2
/8)
Approx. 600 (23
Safety wire (accessory)
/64)
41
ø245 (9
[Ceiling mounting]
Tile bridge
(accessory)
bracketConnector cover
Choke
Mounting hole: ø250 (9
27
/32)
/64)
/64)
29
61
Max. 37 (1
Max. 202 (7
Ceiling tile
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