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Installation and User Instructions

PLE-1P120-US
PLE-1P240-US

en

Plena Easy Line Power Amplifier

Summary of Contents for PLE-1P120-US

Page 1: ...Installation and User Instructions PLE 1P120 US PLE 1P240 US en Plena Easy Line Power Amplifier ...

Page 2: ...e unit should not be placed in a built in installation unless proper ventilation is provided or the manufacturer s instructions have been adhered to Maintain a minimum distance of 2 inch 50 mm around the front the rear and the sides of the unit for sufficient ventilation 10 Heat sources Do not install the unit near any heat sources such as radiators stoves or other apparatus that produce heat incl...

Page 3: ...ructions for use Adjust only those controls that are covered by the instructions for use as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the units to their normal operation If the unit has been dropped or the unit has been damaged When the unit exhibits a distinct change in performance this indicates a need...

Page 4: ...e harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment OFF and ON the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocat...

Page 5: ...Front panel 11 2 4 2 Rear panel 12 3 Installation 13 3 1 Unpack unit 13 3 2 Install unit in rack optional 13 3 3 Check settings connections 13 3 4 Connect unit to mains 13 4 Connections and settings 15 4 1 Connecting inputs 15 4 1 1 DC supply battery 15 4 1 2 70 V input 16 4 2 Connecting speakers 17 4 2 1 Constant voltage loudspeakers 17 4 2 2 Low impedance loudspeakers 17 5 Operation 19 5 1 Switc...

Page 6: ...Plena Power Amplifier Installation and User Instructions Table of contents en 6 Bosch Security Systems 2008 02 PLE 1P120 US PLE 1P240 US en Intentionally left blank ...

Page 7: ...lerts from least severe effect to most severe effect are Note Alert containing additional information Usually not observing a note alert does not result in damage to the equipment or personal injuries Caution The equipment can be damaged if the alert is not observed Warning Persons can be severely injured or the equipment can be seriously damaged if the alert is not observed Danger Not observing t...

Page 8: ... converted to non metric units using the following information table 1 1 Conversion of units of length 1 in 25 4 mm 1 mm 0 03937 in 1 in 2 54 cm 1 cm 0 3937 in 1 ft 0 3048 m 1 m 3 281 ft 1 mi 1 609 km 1 km 0 622 mi table 1 2 Conversion of units of mass 1 lb 0 4536 kg 1 kg 2 2046 lb table 1 3 Conversion of units of pressure 1 psi 68 95 hPa 1 hPa 0 0145 psi Note 1 hPa 1 mbar table 1 4 Conversion of ...

Page 9: ...lowing contents PLE 1P120 US or PLE 1P240 US Power cord Mounting brackets LBC 1901 00 XLR cable 2 3 The Plena Power Amplifier The Plena Power Amplifier is a high performance power amplifier for use in professional public address systems For a schematic overview of the Plena Power Amplifier see figure 2 1 on the next page The Plena Power Amplifier is provided with one line input with a loop through...

Page 10: ...ry voltage reaches 27 4 VDC The charger then switches over to constant voltage charging also known as float charging Note When using the unit with backup power of 24 V make sure that the unit is always powered ON When the unit is switched OFF the batteries will be drained as this will be regarded as a power source Consequently the unit will revert to 24 VDC power from the 24 V input figure 2 1 Sch...

Page 11: ...ructions Description en 11 2 4 Controls connectors and indicators 2 4 1 Front panel See figure 2 2 for an overview of the controls and indicators 1 Power button 2 Output level meter 18 db 0 db 3 Air inlet holes 4 Headphone socket Note Do not obstruct the airflow into the unit figure 2 2 Front panel B 4 3 1 2 ...

Page 12: ...ble screw terminal connector Input is wired in parallel with 70 V input see number 2 The line input is combined with the loop through output Euro style pluggable screw terminal connector 5 Outputs and 24 VDC in out Outputs Euro style pluggable screw terminal connector 70 V 25 V and 4 Ohm 24 VDC in out Input 24 VDC backup power Output built in charger maximum 0 5 A regulated output current 6 Mains ...

Page 13: ...emperature 55 C ambient use the included Bosch mounting brackets LBC 1901 00 remove the 4 feet from the bottom of the unit 3 3 Check settings connections 1 Connect any additional equipment see section 4 1 and 4 2 3 4 Connect unit to mains 1 Make sure the voltage selector 115 230 VAC is correctly set for the country s main voltage see figure 3 2 2 Make sure the power button on the front of the unit...

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Page 15: ...attery charger is therefore not required The charger charges the battery with a 0 5 A constant current until the battery voltage reaches 27 4 VDC The charger then switches over to constant voltage charging also known as float charging This means that a battery can be charged at the same rate it is discharging and thus full capacity battery can be assured This type of charging is suited for low dut...

Page 16: ...input The 70 V input is used to connect directly to a 70 V line slave operation A 70 V input signal can be connected to the Euro style pluggable screw terminal connector 2 at the rear of the unit as shown in figure 4 2 To adjust the volume of the input signal turn the input volume control 3 at the rear of the unit figure 4 2 Connecting a 70 Volt input signal ...

Page 17: ...dspeakers The 70 V connection in shown in figure 4 3 Connect the loudspeakers in parallel and check the loudspeaker polarity for in phase connection The summed loudspeaker power should not exceed the rated amplifier output power 4 2 2 Low impedance loudspeakers Connect low impedance loudspeakers to the 4 Ohm 0 terminals This output can deliver the rated output power into an 4 Ohm load Connect mult...

Page 18: ...Bosch Security Systems 2008 02 PLE 1P120 US PLE 1P240 US en Plena Power Amplifier Installation and User Instructions Connections and settings en 18 Intentionally left blank ...

Page 19: ...he mains voltage selector 115 230 VAC is correctly set for the country s main voltage see figure 5 1 2 Set the power button 1 on the front of the unit to On pushed in 5 1 2 Switch off Set the power button 1 on the front of the unit to Off popped out Caution Potential equipment damage Before applying power always check the mains voltage selector at the rear of the unit figure 5 1 Voltage selector ...

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Page 21: ... VDC PLE 1P120 US mains 400 VA PLE 1P240 US mains 800 VA Frequency response 50 Hz to 20 kHz 1 3 dB 10 dB ref rated output Distortion 1 rated output power 1 kHz Line input Euro style pluggable screw terminal connector balanced phantom Loop through output Euro style pluggable screw terminal connector balanced phantom Sensitivity 1 V Impedance 1 kohm mic 5 kohm line S N 63 dB Dynamic range 100 dB CMR...

Page 22: ...chanical 6 3 Environmental Dimensions H x W x D 100 x 430 x 270 mm 19 wide 2U high Mounting Stand alone 19 rack Color Charcoal Weight PLE 1P120 US Approx 10 5 kg Weight PLE 1P240 US Approx 12 5 kg Operating temperature 10 to 55 ºC Storage temperature 40 to 70 ºC Relative humidity 95 Acoustic noise level of fan 33 dB SPL 1 m temperature control ...

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Page 24: ...For more information visit www boschsecuritysystems com Bosch Security Systems B V Data subject to change without notice 2008 02 PLE 1P120 US PLE 1P240 USen ...

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