Pulsar DSO-PRA User manual

DSO-PRA

v.1.0

19" RACK CABINET FOR

PRAESENSA DSO SYSTEM

Edition: 2 from 05.05.2021

Supersedes the edition: 1 from 15.03.2021

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TABLE OF CONTENTS

1. SYSTEM FEATURES............................................................................................................................3

2. TECHNICAL DESCRIPTION. ............................................................................................................4

2.1. GENERAL DESCRIPTION........................................................................................................................................................4

2.2. ELECTRICAL SCHEME. ..........................................................................................................................................................4

3. DESIGN OF VOICE ALARM SYSTEM.............................................................................................5

4. COMPONENTS OF THE DSO CABINET. ........................................................................................7

4.1. THE LZXX-PRA SAFETY STRIP.............................................................................................................................................7

4.2. 230 VAC LDXXXX VOLTAGE DISTRIBUTION TERMINAL......................................................................................................9

4.3. PSG3LA PANEL FOR OPTICAL AND ACOUSTIC INDICATION. ...............................................................................................10

4.4. RAWP600RZ FAN PANEL. .................................................................................................................................................11

5. CONFI-DSO PROGRAM FOR DESIGNERS. .................................................................................13

6. TECHNICAL PARAMETERS. ..........................................................................................................14

Table 9. Parameters of DSO system.....................................................................................................................................14

Table 10. Operation safety...................................................................................................................................................14

Table 11. Operating parameters. .........................................................................................................................................14

7. INSTALLATION..................................................................................................................................15

7.1. REQUIREMENTS..................................................................................................................................................................15

7.2. INSTALLATION PROCEDURE................................................................................................................................................15

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1. System features

dimensions of RACK cabinets: 24U(600x600),

36U(600x600), 42U(600x600, 600x800),

45U(600x600, 600x800), 50U (600x800)

CONFI-DSO PRAESENSA is a program for

designers that has been designed with BOSCH to

support the DSO configuration

PSG3LA LED panel for optical and acoustic

indication compliant with the PN-EN54-16 standard

for evaluating DSO system operation

LZxx-PRA safety strip with overcurrent fuses, surge

arresters and a dummy connector

single-phase or 3-phase power supply

230 V AC LDxxxx voltage distribution terminal

grounding terminals

protection Class: IP30

batteries included

mounting bracket for batteries

mounting shelves for each cluster

enclosure of DSOS24VPU firefighter’s microphone

–available as an option

AWO506 End of Line (EOL) Supervision Board –

available as an option

forced cooling - fan unit with a thermostat; optional

accessory for 24U, standard for 36U, 42U, 45U,

50U

warranty for DSO-PRA cabin –2 years from

production date

warranty for batteries –1 year from installation date

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2. Technical description.

2.1. General description.

19" DSO-PRA RACK cabinet is designed for installation of PRAESENSA voice alarm system devices by

Bosch.

Devices of DSO system are placed in 19" RACK cabinet together with appropriate battery banks.

Power supply from power grid can be supplied to cabinet in form of 1-phase or 3-phase connection, which

depends on total power consumed by DSOdevices.

CONFI DSO PRAESENSA program is designed for proper and fast configuration of DSO cabinet; based on

implemented design parameters, program selects a complete power supply system taking into account required

backup time.

2.2. Electrical scheme.

Figure 1 shows an exemplary wiring diagram inside a DSO cabinet for a 3-phase 230 V / 400 V AC

connection.

PRA-MPS3 –multi-functional power supply

PRA-SCL –system driver

Fig.1. Block diagram of the DSO power supply system.

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3. Design of Voice Alarm System.

The design and all components of the DSO are based on the RACK 19" cabinet (Protection Class: IP30),

containing all components of the system. Depending on the system and the number of devices, the height of the

cabinet is adjusted individually. The available dimensions are 24U(600x600) to 50U(600x800).

In order to facilitate the installation of devices, especially those of greater weight such as audio amplifiers,

mounting brackets are fitted inside. If a call station (firefighter's microphone) is to be mounted in the rack, a

dedicated pull out shelf will be added to facilitate the use of the microphone.

The equipment installed inside the cabinet can be accessed via the glass front doors, removable side

walls, and rear doors. In addition, the use of two types of locks, separate for the front and rear doors, restricts

unauthorized access. The cabinet can be mounted on a metal base with a height of 100 mm or wheels allowing it

to move freely.

Fig. 2. Sample configuration of a DSO cabinet.

Table 1. Components of RACK cabinet.

Element

no.

Description

Batteries

LZxx-PRA safety strip

PSG3LA LED panel for optical and acoustic indication.

230 V AC LDxxxx voltage distribution terminal.

Compartment for DSO equipment: power supply units, system driver, amplifiers, firefighterʹs

microphone.

RAWP600RZ fan panel with a thermostat (optional).

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Table 2. Technical parameters of RACK cabinets.

Mounting dimensions

W=19”

H=24U

W=19”

H=36U

W=19”

H=42U

W=19”

H=45U

W=19”

H=50U

External dimensions

600x600x1303

[mm]

600x600x1837

[mm]

600x600x2103

600x800x2103

[mm]

600x600x2236

600x800x2236

[mm]

600x800x2459

[mm]

Weight

66kg

76kg

- 89kg

(600x600mm)

- 104kg

(600x800mm)

- 91kg

(600x600mm)

- 106kg

(600x800mm)

152kg

Static load

1000kg

Protection class

IP30

Notes

set includes a base with a height of 100mm (optional - set of wheels)

glass front door

two types of locks, separately for front and rear doors

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4. Components of the DSO cabinet.

Equipment of each DSO cabinet includes elements necessary for proper operation of system.

These components, depending on their intended use, protect electrical system against overvoltage or short circuit,

supply power to receivers, and ensure proper signaling or cooling of installed equipment in RACK cabinet.

If device comes in several models, they are selected automatically by CONFI-DSO PRAESENSA program

supporting DSO configuration.

4.1. The LZxx-PRA safety strip.

Safety strip is fitted with circuit breakers, surge arresters, and a dummy connector. In right part, there is a

connector for connecting 230V / 400V mains supply from power grid.

Main overcurrent circuit breaker disconnects 230 V / 400 V mains from all system devices.

In addition to the main switch, it is fitted with „type 3" surge arresters compliant with the EN 61643-11 standard.

Dummy connector includes overcurrent circuit breaker which can be switched on regardless of status of

main switch.

Fig.3. The LZ1F-PRA safety strip.

Fig.4. The LZ3F-PRA safety strip.

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Table 3. Components of the safety strip.

Element

no.

Description

A 230 V maintenance socket

Overcurrent circuit breaker of 230 V maintenance socket

Surge arresters

Overcurrent circuit breaker of fan

Main overcurrent circuit breaker

Safety contact strip is connected to mains. Access is obtained by removing front cover. Connection to

power system is shown below.

Fig.5. Connection to the power system –a single-phase 230 V AC connection.

Fig.6. Connection to the power system –3-phase 400 V AC connection.

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Table 4. Technical parameters of safety strips.

Model

LZ1F-PRA

LZ3F-PRA

Connection to mains

Single-phase 230 V

3-phase 3x230 V / 400 V

Main overcurrent circuit breaker

1+N-pole

C20

Rated short-circuit breaking

capacity 6kA

3+N-pole

C20

Rated short-circuit breaking

capacity 6kA

Surge protection

L, N

type 3 (D) according to EN

61643-11 standard

L1, L2, L3, N

type 3 (D) according to EN

61643-11 standard

Overcurrent circuit breaker of fan

1 - pole, C10

Recommended cable parameters

3 x 1,5 mm2…4 mm2

5 x 1,5 mm2…4 mm2

Dimensions

Standard RACK 19”

H= 3U

4.2. 230 V AC LDxxxx voltage distribution terminal.

Voltage distribution terminal is equipped with 230 V connection sockets and it is used to supply

components of DSO. Depending on number of devices and amount of power consumption, terminal can have

1-phase or 3-phase connection. 3-phase version enables more uniform load per phase of power grid.

Terminal is placed in back of cabinet.

Fig. 7. A LD1F6G voltage distribution terminal.

Fig. 8. LD3F9G voltage distribution terminal.

Table 5. Technical parameters of distribution terminals.

Model

LD1F6G

LD3F9G

Number of outlets

Protection

C20

3xC20

Dimensions

Standard RACK 19”

H= 1U

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4.3. PSG3LA panel for optical and acoustic indication.

The optional panel for optical and acoustic indication compliant with the PN-EN54-16 standard indicates

the status of the entire DSO system. It is equipped with three LEDs, a sounder, and a reset button of acoustic

indication.

The panel can indicate three different operating states

CONTROL –Normal state, indicating the presence of mains power.

ACOUSTIC INDICATION –Fire alarm status, acoustic indication ON

FAILURE –Fire alarm status, acoustic indication ON

The indication panel is fitted with two alarm signal inputs:

- ACOUSTIC INDICATION

- FAILURE

Inputs should be connected to the control panel or other signaling device. For proper signalization, the

terminals must be normally (without failure) opened; in the case of failure, they must be closed. A voice alarm

signal or failure indication triggers the appropriate optical and acoustic indication. The button on the front panel

allows muting the acoustic signal, while the optical signal remains unchanged. Once the failure is cleared, the

optical and acoustic indication will automatically be stopped and the green indicator will light up to indicate that the

system is operating properly.

Fig.9. Indication panel –front view.

Fig.10. Indication panel –rear view.

Table 6. Components of the PSG3LA panel for optical and acoustic indication.

Element no.

Description

LED lights for optical indication.

Acoustic indication reset button.

Connector:

ACOUSTIC INDICATION; normal status –terminals are opened

Indication –terminals are closed

FAILURE; normal status –terminals are opened

Indication –terminals are closed

+ 24V / GND power supply terminals

Acoustic indicator.

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