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DESCRIPTION 

 

Technical parameters

 

 

Table No. 1 :  

 

 

Basic LES-RACK-M1 parameters: 

Value: 

Output voltage the AC network 

100-240 VAC 

Frequency 

50-60 Hz 

Current at 230V AC 

0.9 A 

Current peak 

70 A 

Efficiency 

88% 

Current leakage at 230V AC 

<1mA 

Input-output insulation voltage 

3,000 VDC 

Insulation voltage input-ground 

2,000 VDC 

Output voltage 

12 VDC 

Coverage IP 

20 

Coolant tank volume  

2kg 

Working temperature 

+5 to +40

o

Storage temperature without extinguishing liquid 

-40 to +80

o

Relative humidity (non-condensing) 

20-90% 

Dimensions: (width - height - depth) 

483x45x495 mm 

Weight without the extinguishing agent 

11kg 

 

Construction 

The  body  is  of  sheet  metal  steel.  The  tank  and  transport  routes  of  the  extinguishing  agent  are  of 
stainless steel or non-corroding materials. All the materials are tested, they are resistant to the stated 
working conditions and the used extinguishing agent is stable throughout the service life of the device. 
All the metal parts of the box, including the tank, are sprayed with black polyester powder paint (RAL 
9005). The minimum layer of the coat is 60 µm. Adhesion corresponds to level 0-1 according to ČSN ISO 
2409. The surface must not have defects such as abrasions, flashes, dirt, etc. 
The mechanical design, including the layout of the equipment parts, is shown in Fig. 1. 
 

The fire fighting equipment consists of: 

 

Tank  with  extinguishing  agent  (1)

  consisting  of  non-pressure  stainless storage  vessel  (1),  filled  with 

the extinguishing agent (FK-5-1-12, dodekafluor-2-methylpentan-3-on)). The volume of the tank is 2kg 
of the extinguishing agent.  

 

Level gauge (2)

  built-in  to  the  left  front  of  the  tank.  It  is  for  continuously  inspecting  the  amount  of 

extinguishing  agent.  When  the  level  falls  below  the  adjusted  limit,  the  “System  error  ”signal  is 
activated. At the same time, this situation can be signalled through the network. 

 

Overpressure valve (3)

 built-in to the left rear of the tank. It protects the equipment if the tank fails 

and  is  overheated  above  the  permitted temperature  limit when  the  extinguishing  agent  in  the  tank 
may turn to gas. 

 

Suction valve (4)

 built-in to the rear of the tank with no access from the outside. It removes under-

pressure in the tank when the extinguishing agent is pumped from the tank (extinguishing). 

 

Filling hole (5)

  also built-in to the rear of the  box  but  with access to the outside. It is closed by the 

3/8 “cap . The filling hole is used to for add the extinguishing agent. 

 

Pump (6) 

when extinguishing it pumps the extinguishing agent from the tank. Then , the extinguishing 

agent  is  directed  through  hermetically  sealed  piping  system,

  an  electromagnetic  valve  (7)  and  the 

nozzle (8) 

and is sprayed under pressure into the protected space. The equipment can be used where 

installed and if re-filled, checked and used again. 

 

Summary of Contents for LES-RACK-M1

Page 1: ...dures for assembling commissioning operating and maintenance of the LES RACK M1 fire extinguisher The equipment must only be used for the described applications with the approved extinguishing agent F...

Page 2: ...19 Temperatures 20 Mail 21 Outputs 21 Date and time 22 Logs 22 Download 22 INSTALLATION 23 General provisions 23 Safety provisions 23 Assembling the equipment 23 Filling adding extinguishing liquid 23...

Page 3: ...g to the operating conditions and the maintenance plan In necessary the maintenance and service must be documented Device operators of must announce all changes and modifications of the monitored and...

Page 4: ...n in Fig 1 The fire fighting equipment consists of Tank with extinguishing agent 1 consisting of non pressure stainless storage vessel 1 filled with the extinguishing agent FK 5 1 12 dodekafluor 2 met...

Page 5: ......

Page 6: ...he energy requirements of the system during extinguishing AC inlet 13 for connecting the DC source 14 to 230V AC distribution network Control board 16 the heart of the system It concentrates and evalu...

Page 7: ...ress the micro switch to the left of the communication connector The internal relay is activated a click is heard and connects the battery to the system BATTERY G S De aerating the pump after adding f...

Page 8: ...at the same time by switching the micro switch in the left lower part of the box which is accessible from the bottom after partially ejecting the box about 5 cm from the 19 frame BATTERY R S50 Extingu...

Page 9: ...with the cap connect the external equipment on the rear face and insert the equipment back into the frame Secure The system error signal goes off FAULT SYSTEM Press TEST MUTE the pump is activated th...

Page 10: ...would escape outside the monitored space and its concentration for effectively extinguishing a fire would be insufficient The integrity of the circuit of the door contact is continuously monitored Th...

Page 11: ...ectors or other extinguishing equipment The inputs marked with the text Sensor 1 to Sensor 3 are for this The sensitivity of the external sensors circuits is also continuously monitored The connection...

Page 12: ...the network EXTINGUISHING R S50 3 seconds delay before extinguishing activated R S Extinguishing in progress or terminated Y S Extinguishing blocked door open FAULT SENSOR R S Fault sensor PUMP G S Th...

Page 13: ...operators by the extinguishing agent as well as decomposition products mainly by regular training The start of the fire extinguisher may be accompanied by a loud noise that could cause fright but not...

Page 14: ...isplayed To repeat the login close the browser and run it again it is its property and it is not possible to do otherwise NOTE Transferred login data is not encrypted ATTENTION The display may not be...

Page 15: ...state is displayed when MAJOR system error MINOR is in yellow The battery is disconnected from the system but it is present The fan is not rotating The level is low Here the state is displayed when Th...

Page 16: ...Network...

Page 17: ...IP address exchange address Gate must be typed even if it is not used Primary and secondary DNS if mail is used SNMP trap1 2 IP SNMP address of the server...

Page 18: ...ed Group extinguish group for common extinguishing If the exchanges have the same group with the exception of 0 if extinguishing is activated on any of them extinguishing on the others is activated Us...

Page 19: ...or failure sends the trap Mail change of the state or error sends e mail Error Major error is assigned to Major Error Minor error is assigned to Minor State Major the state is assigned to Mirror Stat...

Page 20: ...he line and press the Read sensor button and press the Save button Then select the temperature type the line disconnect the first sensor and connect the second sensor read serial number and save Repea...

Page 21: ...User Password SMTP server requires login To addressee of the mail From sender of the mail must be typed Subject Subject of the message Outputs Relay_ window used to change the name of the output The n...

Page 22: ...Date and time Logs Lists events from the newest to the oldest Download MIB opens the MIB file window LOG opens events window...

Page 23: ...the box From the front the skid has 3 holes with M5 threads with the same pitch as the 1U drilling in the 19 bar Fix the bar to the rear wall of the front 19 bar using the conical headed M5 bolt The r...

Page 24: ...network and operated connect the battery It must be connected for at least 12 hours to charge the backup source battery After charging the equipment must be disconnected and then it is possible to pu...

Page 25: ...are properly located and undamaged Inspection of signal lamps on the front panel Inspection after 1 month Checking that all staff who could work with equipment are properly trained and have appropriat...

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