gazex MDP-4 Instruction Manual Download Page 12

2)  Detectors - zones. 
 

 

Select

Zone 1  
Zone 2 
Zone 1+2 

 Exit

 

 

 

Current Settings: Zone 1+2 

 
Change -

, Confirm - <OK> 

 

 
 

 
 
 
 

 
The flashing cursor denotes the selected detector. Select the correct detector with “L” and “R” keys 
and then with “U” and “D” keys change assignment of a detector to a zone: “1” - detector is 
assigned to zone 1; “2” - detector is assigned to zone 2; “1+2” - detector is assigned 
simultaneously to both zones. To confirm the settings, press the “OK” button. 

 
 
 

3)  Detectors - parameters. 
 

 
 
 
 
 

 

 
 
The cursor denotes the selected detector. Select the correct detector with “L” and “R” keys and 
then with “U” and “D” keys select a required detector’s parameter, change the parameters with “L” 
and “R” keys. To confirm the settings, press the “OK” button.  
The parameter "alarm type" allows two choices: "tresholds levels" - the temporary value of alarm 
thresholds A1 and A2 adjustable over the full measuring range; "time-weighted average - the 
threshold of T1 corresponds to the TWA (Time-Weighted Average - 8h/day), the threshold T2 
corresponds to the STEL (Short Term Exposure Limit – 15 minut) 
Note!!! For connecting the threshold detector DEX/F or DG/F to MDP select “DEX - A1,A2 
tresholds”, for WG and AirTECH detectors with NC contact outputs select “BIN -thresholds A1, A2”.  
Cooperation with threshold detectors requires the use of cable hub K-8P or K-16P, and setting the 
"Cable Hub" to "connected" (see 5.4.6, 3C)

 

4)  Alarm inputs - zones. 

Select correct option with “U” and “D” 
keys and confirm with “OK” key. 
Additionally a selected option is 
currently displayed on the LCD screen. 
To exit the settings, select the “Exit” 
option with “U” and “D” keys and then 
press “OK”. 

 

  
 

5) 

Inputs delay

 (default = 10 sec.) is a time, for which alarm status should be maintained at the 

detector’s input, so it could be registered by MDP and signalled with proper message on the LCD 
screen. That delay can be set within the range of: 1 

÷

 120 seconds with “L” and “R” keys. 

 

6)

 Detectors heating time

 (default = 60 sec.) is a time after each start of MD, during which stabilization 

of the detectors’ operation point necessary for their correct operation occurs. The heating time can be 
adjusted within the range of: 1 

÷

 15 minutes with “L” and “R” keys. 

 
 

5.4.2 

Output settings

 perform the following functions.  

 Detector no.:    

03  

 - alarm A1 :    

TWA  

 - alarm A2 :    

STEL 

 - alarm type :   

time average values 

 - calibration gas. :  

carbon monoxide 

 - measur. range: 

500 ppm 

 Change - press 

, Exit - press <OK>

 

Denotes: 
measuring detector no. 3,  
alarm T1 = TWA,  
alarm T2 = STEL, 
meauring range 0-500ppm 

 

Feature selection with “U” and “D” keys, 
Confirmation with “OK” key

Select: 
 

Outputs Off   – auto / manual  

 

Outputs On  

– delay  

 

10 sec. 

 

Outputs Off   – zone1 delay   

3 sec. 

 

Outputs Off   – zone2 delay   

3 sec. 

Outputs On  

– zone1 logic   

1 alarm 

 

Outputs On  

– zone2 logic   

2 alarms

 Exit 

 

DETECTOR: 

1 2 3 4 5 6 7 8 

Zone: 

1 1 1 

1+2

 1

+2

 1  2 

1+2

 

DETECTOR: 

9  10 11 12 13 14 1516 

Zone: 1 

1+2

 2  2 

1+2

 1  2  2 

 

 

Change – press 

, Exit – press <OK>

 

Denotes: 
Detector 8 - assigned to zone 1 
  and 

zone 

 

 
 
 
 
 
 

 

 
 
 
 

MDP-4(8,16)… Instruction Manual  

edition 6PU63en   

©gazex’2011 v1101

  

Page 12

 

/ 24

 

Summary of Contents for MDP-4

Page 1: ...E This device is equipped with a function blocking in the case of interference in the internal circuits 1 General purpose and selection table page 2 2 Description and manner of connecting in the syste...

Page 2: ...ich group of detectors alarm occurred in fact it creates two detection systems the MDP unit in version Z controls operation of two shut off valves and controls the efficiency of the wired connection o...

Page 3: ...relay OUTPUTS 1 1 1 1 1 1 1 1 12V voltage alarm OUTPUTS 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 12V voltage insulated alarm INPUTS 2 2 2 2 2 2 2 2 High current 12V OUTPUT for control of shut off valve 2 2 2 S...

Page 4: ...vel 2 alarm at output in zone 1 level 2 alarm at output in zone 2 pulses closing the valve at zone 1 output were generated pulses closing the valve at zone 2 output were generated level 1 alarm at ala...

Page 5: ...R T M M ZAW1 ZAW2 S1 S2 A2 A1 A2 A1 A2 AWARIA FAULT STREFA ZONE S1 STREFA ZONE S2 S1 S2 WYJ CIA STYKOWE RELAYS GAZEX 2006 MDP 4 8 16 v U4 MD 8 16 v U4 WYJ NAP 12V I 0 2A OUT N L 01 02 03 04 05 06 07...

Page 6: ...of alarm state from the damaged detector until manual reset of MDP forced by status of detectors at MDP inputs Description of MDP statuses Activation of outputs from a specific zone occurs when the n...

Page 7: ...1m interrupted tone signalling of finished alarm continuous tone indication of the ongoing alarm or emergency optional without sound signalling SILENT MODE activated from the menu Supplying detectors...

Page 8: ...ting DEX detectors with the hub TABLE 4 3 Selection of conduits for detectors depending on the model of detector with a semiconductor sensor nn infra red P nR catalytic Pn Conduit fig 2 2 Conductor s...

Page 9: ...ng of the conduit in the gland should be solid enough to keep the conduit inside the MDP during the attempt of manual pulling it out and to prevent the conduit from transferring mechanical forces into...

Page 10: ...3 power supply unit MDP 4 8 A or PS 6 MDP 16 A with the battery connected maintain proper polarization the unit is protected by inverted polarization to terminal 02 to terminal 01 TIME LOCK ACTIVATIO...

Page 11: ...ailable functions 5 4 1 Detectors and alarm inputs perform the below features 01 2011 Control Unit MDP 8 U6 3 Serial number 00457328 Date of changes made to the software Type and version of the unit U...

Page 12: ...elect correct option with U and D keys and confirm with OK key Additionally a selected option is currently displayed on the LCD screen To exit the settings select the Exit option with U and D keys and...

Page 13: ...tputs of zone 1 are switched off That delay can be set within the range of 1 sec 15 minutes only when automatic shutdown of zone 1 inputs is selected 4 Outputs Off zone2 delay delay of switching outpu...

Page 14: ...wer supply fault Udex1 9VDC Internal power supply fault Udex2 9VDC Control Unit reset Control Unit power on Control Unit power off Internal accumulator fault no charging Internal accumulator fault U 1...

Page 15: ...he unit settings Losing the password will prevent subsequent modification of the unit by the user The password can only be unlocked by GAZEX service employees extra paid service 5 4 6 System settings...

Page 16: ...ol 3 Operation parameters allows changing unit s functionality Change SERVICE MODE enabled disabled AUTO RESET enabled disabled CABLE HUB none connected Exit Change press a SERVICE MODE allows blockin...

Page 17: ...ed with characters shown on the screen above The new password should be saved and secured This password will be required at each entrance to the administrator s settings Losing the password will preve...

Page 18: ...s and units of detectors depending on the measured medium Measuring range scaled to 4 20 mA The accuracy of the threshold alarm adjustment Medium 0 100 meas range 1 undefined medium the default type 0...

Page 19: ...t installation while switched on detectors should ndic ed with N sign on the LCD screen be i at Control of MDP unit s operation is conducted by means of the keyboard located in the front panel During...

Page 20: ...nt accuracy of the unit detector and test mixture 6 3 2 For MDP Z Simultaneously with generation of the alarm state at the control output A2 of the corresponding zone two electromagnetic pulses on VAL...

Page 21: ...turned off or main fuse damaged next to the main switch the unit supplied from internal battery turn the power on and reset the unit with OK button or change the fuse for identical one time delay cut...

Page 22: ...N The MDP unit and DEX DG detectors are electronic devices devoid of operating moving parts They were built on the basis of very durable semiconductor elements Therefore maintenance is reduced to Peri...

Page 23: ...t be stored with other wastes Therefore it was marked with a special symbol 8 STORAGE In order to care for the internal battery and a possible rechargeable battery in version MDP 4 8 16 B Z ZA ZB it i...

Page 24: ...MDP 4 8 16 Instruction Manual edition 6PU63en gazex 2011 v1101 Page 24 24 NOTICE...

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