TOA Electronics F-122CU2 User Manual

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Rev. A

INSTRUCTION MANUAL

CEILING SPEAKER SYSTEM

F-122CU2

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.

TABLE OF CONTENTS

 

1.

SAFETY PRECAUTIONS ...............................................................................

3

2.

GENERAL DESCRIPTION .............................................................................

3

3.

FEATURES ..........................................................................................................

4

4.

NOMENCLATURE AND DIMENSIONS .....................................................

4

5.

MOUNTING HARDWARE INSTALLATION ...............................................

5

6.

WIRING

 

 

6.1. Using the Speaker in UL1480 Category UUMW ..............................................

7

 

6.2. Using the Speaker in UL1480 Category UEAY and

 

 

CAN/CSA C22.2 No.205 Category UEAY7

 

 

6.2.1. Wiring through hard or flexible conduit ..................................................

8

 

6.2.2. 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 ......................................................................

14

11. INPUT OVERLOAD PROTECTION FUNCTION ....................................

14

12. SAFETY AGENCY COMPLIANCE

 

 

12.1. Setting to the Following Positions ..................................................................

15

 

12.2. Setting to 8 Ω or 16 Ω Position .......................................................................

15

13. SPECIFICATIONS ............................................................................................

16

 

Accessories .............................................................................................................

16

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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

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.

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 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 diffuser 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

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.

2. GENERAL DESCRIPTION

The F-122CU2 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.

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3. FEATURES

Bass-reflex speaker system designed to provide a wide frequency range and high power handling capability.

Wide-dispersion flush-mount ceiling speaker design employs unique acoustic construction to realize a wide area of coverage. Uniform sound output levels are achievable not only directly under the speaker, but also over a wide radius.

Because the speaker is provided with both lowand 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]

[Side]

ø230 (91/16)

Front grille (accessory)

 

[Rear]

Safety wire hook

Connector cover

Choke bracket

Mounting hole: ø200 (77/8)

[Ceiling mounting]

Tile bridge (accessory)

Unit: mm (inches)

ø195 (743/64)

40 (137/64)

/8)

238 (9 3/8)

(235

Approx. 600

 

Safety wire (accessory)

Max. 37 (129/64)

 

 

Max. 202 (761/64)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ceiling tile

4

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 ø200 mm (7 7/8") hole in the ceiling.

Use the supplied paper pattern to position and trace the hole.

ø200 ±5 mm (77/8 ±13/64")

Ceiling tile

Step 2. Place the supplied tile bridge on the 2-foot tile as shown below.

Tile bridge (accessory)

2-foot tile

T-grid

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