TOA PC-139 User manual

Brand: TOA

Model: PC-139

Type: User manual

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.

• 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.

• Install the unit only in a location that can structurally support the weight of the unit and the mounting bracket.

Doing otherwise may result in the unit falling down and causing personal injury and/or property damage.

• Tighten each nut and screw securely. Ensure that the mounting hardware has no loose joints after

installation to prevent accidents that could result in personal injury.

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.

PC-139HEAT-RESISTANT HORN SPEAKER

Ceiling Suspension Type

INSTRUCTION MANUAL

2. GENERAL DESCRIPTION

TOA's PC-139 is a high-efficiency, heat-resistant ceiling suspension-type speaker designed exclusively to be

used in conjunction with emergency broadcast systems.

3. SPECIFICATIONS

Indicates a potentially hazardous situation which, if mishandled, could

result in death or serious personal injury.

WARNING

Indicates a potentially hazardous situation which, if mishandled, could

result in moderate or minor personal injury, and/or property damage.

CAUTION

Note: The design and specifications are subject to change without notice for improvement.

• Included components

Speaker unit (with mounting bracket B) ...... 1

Mounting bracket A ...................................... 1

Suspension pipe .......................................... 1

Decorative cover .......................................... 1

M4 x 30 screw .............................................. 2

4.1 x 32 wood screw .................................... 2

Rated Input 1 W

Rated Impedance 10 kΩ

Sound Pressure Level 100 dB (1W, 1m)

Frequency Response 500 – 10,000Hz

Heat Resistance Operates normally for 15 minutes in air current of 380°C

Withstand Voltage 1 kV AC, 1 minute (between input terminal and body)

Insulation Resistance 500 V DC, over 10 MΩ(between input terminal and body)

Speaker Angle Adjustment Range Horizontal: 360° rotation, Vertical: 90° rotation

Mounting Pitch 65 – 85 mm

Finish Speaker: Incombustible material (aluminum), off-white, paint

Weight 1.7 kg (including mounting brackets and hardware)

133-01-096-7B

Reinforcements

4.1 x 32 wood screw

Mounting screw A

Ceiling

Mounting bracket A

Outlet box

M4 x 30 screw

Mounting bracket A

Ceiling Mounting screw pitch

65 – 85 mm

Mounting screw A

146

ø114

ø16

ø122

180

310

Unit: mm

Decorative cover

Supplied screws

Mounting bracket A

Ceiling Speaker cable

Mounting screw A

Suspension pipe

Mounting screw B

Washer

Wing nut

Terminal bloc

Rubber grommet

Mounting bracket B

Rear cover

Speaker unit

(with the rear cover off)

4. INSTALLATION

Be sure to mount and connect all parts correctly

AFTER feeding the speaker cable through the

suspension pipe.

Step 1. Attach Mounting Bracket A to the ceiling or

an outlet box using the supplied screws.

1-1. Ceiling Mounting

1-2. Mounting to an Outlet Box

Note

Prepare an outlet box (not supplied with the

unit) for mounting behind the ceiling panel.

6. DIMENSIONAL DIAGRAM

5. SPEAKER ANGLE ADJUSTMENT

Step 1. Loosen both Mounting Screw B and the wing

nut securing the speaker.

Step 2. Adjust the speaker angle.

• Rotate Mounting Bracket B to adjust

horizontal angle.

• Move the speaker itself to adjust vertical

angle.

Step 3. After completing the positioning adjustment,

retighten both Mounting Bracket B and the

wing nut.

Step 2. Insert the suspension pipe through the

center hole of Mounting Bracket A, installed

in Step 1, then tighten Mounting Screw A to

secure the pipe.

Step 3. Mount the decorative cover.

Note

Slowly slide the decorative cover over the

end of the mounting pipe while rotating it so

as not to dislodge its rubber grommet.

Step 4. Insert Mounting Bracket B into the

suspension pipe, then tighten Mounting

Screw B to secure the bracket.

Step 5. After first detaching its rear cover, mount the

speaker unit to Mounting Bracket B using

the supplied wing nut and washer.

Step 6. Connect the speaker cable leads to the

speaker unit's corresponding terminals.

Step 7. Reattach the speaker's rear cover.

TOA PC-139 User manual

TOA PC-139 User manual

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