Table of Contents | en Table of contents Safety Notices Introduction Important features System overview Packing list Product features identification Dimensions Frequency response and impedance Beamwidth Directivity Equalization Installation Troubleshooting Technical data Bosch Security Systems B.V. Installation Note 2017.01 | 02 | F.01U.321.490...
The user is responsible for making sure the wall, ceiling, or structure is capable of supporting all objects suspended overhead. Any hardware used to suspend a loudspeaker not associated with Bosch is the responsibility of others.
Introduction | en Introduction Premium Ceiling Speakers from Bosch use innovative design and materials to provide high performance in a flush-mount ceiling format. The rear input cover for EN54 is used to create a seal to protect the ceiling speaker from moisture and foreign particles, if properly installed.
Weatherized terminal covers Gland nuts Screws A (x2) B (x4) C (x2) D (x2) J (x2) K (x2) G (x4) H (x2) I (x2) L (x8) Figure 3.1: Components in kit 2017.01 | 02 | F.01U.321.490 Installation Note Bosch Security Systems B.V.
20000 3.16 Frequency (Hz) Frequency (Hz) LC20-PC60G6-6E Frequency Response and LC20-PC60G6-8E Frequency Response and Impedance Impedance 1 watt / 4 meters / on axis (With EN54 1 watt / 4 meters / on axis (With EN54 required required equalization applied)
When used in an EN54 installation the following equalization must be applied to the speakers: LC20-PC60G6-6E LC20-PC60G6-8E PEQ Frequency: 180 Hz PEQ Frequency: 152 Hz PEQ Filter Q: 2.0 PEQ Filter Q: 2.0 PEQ Gain: -6.0 dB PEQ Gain: -8.0 dB Bosch Security Systems B.V. Installation Note 2017.01 | 02 | F.01U.321.490...
Figure 4.3: Secure rails to C-Ring Figure 4.4: Wiring – ground point Figure 4.5: Install the gland nut into the cover Figure 4.6: Run the wire cable through the gland nut. 2017.01 | 02 | F.01U.321.490 Installation Note Bosch Security Systems B.V.
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Figure 4.9: Wiring single (left) double (right) Figure 4.10: Install the phoenix connector Figure 4.11: Adjust the length of the wire from Figure 4.12: Hold the wire while lowering the cover the gland nut. Bosch Security Systems B.V. Installation Note 2017.01 | 02 | F.01U.321.490...
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The safety cable should be installed with a minimum of 3-inches (76.2 mm) of slack. C: Recommended auxiliary support line slack is 76.2 mm–305 mm (3 in–12 in). Figure 4.15: Attach auxiliary support line Figure 4.16: Install the speaker into the ceiling 2017.01 | 02 | F.01U.321.490 Installation Note Bosch Security Systems B.V.
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Installation | en Figure 4.17: Tighten mounting tabs Figure 4.18: Tap selector Figure 4.19: Adjust tap selector Figure 4.20: Insert grille tether Figure 4.21: Attach the grille Figure 4.22: Installation complete Bosch Security Systems B.V. Installation Note 2017.01 | 02 | F.01U.321.490...
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Figure 4.15: Wiring – ground point Figure 4.16: Wiring – flex conduit Figure 4.17: Wiring – solid conduit Notice! Wiring with the ceramic block will invalidate the EN 54-24 approval. 2017.01 | 02 | F.01U.321.490 Installation Note Bosch Security Systems B.V.
Which ever condition results in greater low-frequency output is the in- polarity condition. If these suggestions do not solve your problem, contact your nearest dealer or distributor. Bosch Security Systems B.V. Installation Note 2017.01 | 02 | F.01U.321.490...
Reference axis: Axis is on the center of grille surface and perpendicular to the grille surface. Reference plane: Plane is on the grille surface and perpendicular to the reference axis. Horizontal plane: Plane is containing the reference axis and perpendicular to the reference plane. 2017.01 | 02 | F.01U.321.490 Installation Note Bosch Security Systems B.V.
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130 Perinton Pkwy, Fairport, NY, 14450, USA 0359-CPR-00615 EN 54-24:2008 Loudspeaker for voice alarm systems for fire detection and fire alarm systems for buildings Ceiling loudspeakers LC20-PC60G6-6E, LC20-PC60G6-8E Type A See product manual F.01U.321.490 for further equalization and installation information. Frequency Reproducibility...