background image

LB20 EVAC Cabinet Loudspeaker Models

Installation and wiring | en

7

Bosch Security Systems B.V.

Installation manual

2017.09 | V.02 | F.01U.345.361

3

Installation and wiring

3.1

Installing the speaker

For safety, ensure the mounting surface supports more than the weight of the speaker. Use
only industry-accepted fasteners and mounting methods when mounting the U-Bracket.
Consult an expert if you are unsure.

!

Caution!
It is the installer's responsibility to determine and use the proper mounting hardware for
the wall construction type.

Disregarding this caution could result in damage to the product and personal injuries may
occur.

Installing the U-Bracket

To 

install the U-bracket

, do the following:

1.

Draw a level 

line

.

2.

Align 

screw holes

 on the level line.

3.

Install 

two mounting screws

 to secure the U-Bracket to the wall.

Installing the speaker

To 

install the speaker

, do the following:

1.

Wire the 

speaker

, as shown in the wiring section.

2.

Insert the 

two screws

 (provided) into the U-Bracket mounting points. 

Loosely tighten the two screws using the Allen wrench (provided).

3.

Aim the 

speaker

.

4.

Tighten the 

two screws

 to secure the U-Bracket to the speaker.

Ensure the speaker is secured to the U-Bracket.

Содержание LB20-PC60EW-5D

Страница 1: ...LB20 EVAC Cabinet Loudspeaker Models LB20 PC60EW 5D LB20 PC60EW 5L en Installation manual ...

Страница 2: ......

Страница 3: ... 1 2 Notices 4 2 Introduction 5 2 1 System features 5 2 2 Product information 5 2 3 Packing list 6 3 Installation and wiring 7 3 1 Installing the speaker 7 3 2 U Bracket installation options 8 3 3 Wiring 9 3 4 Transformer taps 10 3 5 Replacing the logo 11 4 Troubleshooting 12 5 Technical data 13 5 1 Dimensions 14 5 2 Frequency response and impedance 14 6 U Bracket dimensions 15 ...

Страница 4: ... used to suspend a loudspeaker not associated with Bosch is the responsibility of others Safety point As an added safety measure it is suggested the user install an extra suspension point back to the building structural supports This safety point should have as little slack as possible less than 1 inch is preferable Figure 1 1 Redundant safety point 1 2 Notices Old electrical and electronic applia...

Страница 5: ...dy weather resistance modern and delicate look and flexible mounting options the LB20 premium cabinet loudspeakers are the perfect solution for a wide variety of surface mount applications The LB20 PC60EW 5 models are IP65 rated designed to withstand the toughest weather conditions Read through this manual to familiarize yourself with the safety information features and applications before you use...

Страница 6: ...ity Systems B V 2 3 Packing list Item Quantity Component A 2 Speakers B 1 Allen wrench C 4 Safety screws for the U Brackets D 2 U bracket E 2 Weather covers F 8 Weather cover screws G 2 Grille logos spares H 1 Installation manual Tab 2 2 Components list A x2 B D x2 C x4 E x2 F x8 G x2 H Figure 2 2 Components list ...

Страница 7: ...re for the wall construction type Disregarding this caution could result in damage to the product and personal injuries may occur Installing the U Bracket To install the U bracket do the following 1 Draw a level line 2 Align screw holes on the level line 3 Install two mounting screws to secure the U Bracket to the wall Installing the speaker To install the speaker do the following 1 Wire the speak...

Страница 8: ...extra suspension point back to the building structural supports This safety point should have as little slack as possible less than 1 inch is preferable Figure 3 1 Redundant safety point See also U Bracket installation options page 8 Wiring page 9 3 2 U Bracket installation options Using a U Bolt The U Bracket can be mounted using a standard 2 inch or 4 inch U Bolt Figure 3 2 U Bolt 2 inch Figure ...

Страница 9: ...o a pole mount using steel band clamps Figure 3 5 Pole mount Using a junction box The U Bracket can be installed to a junction box using a 0 25 rubber grommet not included for wiring Figure 3 6 Junction box See also Installing the speaker page 7 3 3 Wiring Wiring the speaker The speaker can be wired using either 2 wires for input only or 4 wires for input and parallel output Reference the polarity...

Страница 10: ...r screws into the weather cover B Loosely tighten the four screws to keep the weather cover in place 7 Tighten all four screws to secure the weather cover Ensure the weather cover is secure 8 Adjust the wire length 9 Tighten the gland nut C See also Installing the speaker page 7 3 4 Transformer taps You can select the mode of operation 70 V 100 V 8 ohm and power taps using the rotary switch on the...

Страница 11: ...e the safety screw Safety screw A is shown in the previous step 3 5 Replacing the logo An additional logo is included horizontal installation is shown To replace the logo do the following 1 Remove the existing logo 2 Clean the surface with alcohol 3 Align the logo with the square guide 4 Remove the paper backing 5 Insert the logo Press firmly to ensure the logo is applied ...

Страница 12: ...input panel is not correctly wired there will be little or no sound Observe proper polarity Poor Low Frequency Response Speakers Wired Out of Polarity When two speakers are connected out of polarity out of phase the low frequencies will cancel each other acoustically Carefully observe the wire markings or tracers on your speaker wires Verify the amplifier terminal is connected to the red speaker t...

Страница 13: ...former 70 V 100 V 60 W Transformer taps 70V 60 W 30 W 15 W 7 5 W 8Ω 100V 60 W 30 W 15 W 8Ω Low frequency transducer 5 25 in 133 mm High frequency transducer 0 75 in 20 mm Connectors Removable locking 4 pin connector Euroblock 2 for connection to additional speakers in a distributed line Max wire size 12AWG 2 5 mm Environmental IP 65 per IEC 60529 Color Black RAL 9004 or white RAL 9003 Dimensions H...

Страница 14: ...361 Installation manual Bosch Security Systems B V 5 1 Dimensions 180 0 mm 7 09 in 255 0 mm 10 04 in 171 1 mm 6 74 in 150 1 mm 5 91 in 195 1 mm 7 68 in Figure 5 1 LB20 PC60EW 5 dimensions 5 2 Frequency response and impedance Figure 5 2 LB20 PC60EW 5 frequency response and impedance ...

Страница 15: ...dimensions The U Bracket dimensions are not to scale and are for reference only 65 0 mm 2 56 in 243 3 mm 9 58 in 16 0 mm 0 63 in 30 2 mm 1 19 in 55 6 mm 2 19 in 99 3 mm 3 91 in 30 2 mm 1 19 in 55 6 mm 2 19 in 84 6 mm 3 33 in 10 5 mm 0 413 in 12 0 mm 0 472 in 10 5 mm 0 413 in 10 5 mm 0 413 in R5 2 R0 207 4 0 X 7 25 SLOT 4 6 X 14 6 SLOT 4 0 X 7 25 SLOT ...

Страница 16: ...Bosch Security Systems B V Torenallee 49 5617 BA Eindhoven Netherlands www boschsecurity com Bosch Security Systems B V 2017 ...

Отзывы: