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PT1E-0963 

 

 

 
 
 

 
 
 
 

 

     

 

 
 
 
 

 
 
 
 

 

Request for the Customers 

 

Read and understand this operating manual before using the detector. 

 

You must operate the detector in accordance with the operating manual. 

 

Regardless of warranty period, we shall not make any compensation for accidents and damage 
caused by using this product. 
The compensation shall be made only under the warranty policy of products or parts 
replacement. 

 

Because this is a safety unit, a regular maintenance for every six months and daily 
maintenance must be performed. 

 

If you find abnormalities in the detector, please notify them to our local representative 
immediately.

 

 

 
 

 

 

 
 
 
 
 

 

OPERATING INSTRUCTION MANUAL 

 

FOR 

 

INDICATOR/ALARM UNIT NC-591W 

Содержание NC-591W

Страница 1: ...sation for accidents and damage caused by using this product The compensation shall be made only under the warranty policy of products or parts replacement Because this is a safety unit a regular main...

Страница 2: ...t Mounting the unit Detaching the unit Installation place Caution in the system engineering Stable power used Designing to consider radiation Lightning measures Alarm contact Grounding Wiring OPERATIO...

Страница 3: ...eplacement of sensor and parts Treatment when operation is stopped or its installation place is moved Stopping the normal operation Installation when move its place Storage or treatment when the unit...

Страница 4: ...d with this indicator alarm unit Detection results Gas concentrations are displayed with 4 digit LED indicator and outputs 4 20mADC in ppm range and fixed 22mADC for LEL range as gas concentration sig...

Страница 5: ...ective functions such as protective grounding or fuse are seems to be defective Also before operating the unit confirm that there is no defect for protective functions Fuse Use the designated rating c...

Страница 6: ...n operate it not to follow this manual repair it by other rating parts or modify it on his own the safety and quality of products can not be secured Then when an accident take place by it we cannot as...

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Страница 8: ...e consult us or with our agent for installation method or installation quantity to avoid trouble caused by radiating heat Dimensions with single case 1 Mounting for 2 steps in vertical and N lines in...

Страница 9: ...alarm and changes to steady light after reset operation AL2 light Flashes at gas alarm 2nd alarm and changes to steady light after reset operation SKIP ligh t Flashes during maintenance mode MODE swi...

Страница 10: ...t Operation part POWER INPUT DC24V Power supply part Gas alarm contact Trouble alarm Standard setting De energized De energized at normal N O contact Contact closes at alarm Alarm contact control part...

Страница 11: ...tor is put in firmly Confirm that the disengagement lever is turned upward when indicator alarm unit is mounted into the case firmly After confirmation of lever position put ON the power switch and th...

Страница 12: ...place where there is danger at maintenance time When required to stop the system at maintenance time unable to maintain if not remove a part of system or unable to detach the case due to the pipe or...

Страница 13: ...e connecting instrument is broken It is impossible to prevent the generation of lightning If the cable should put in metal tube or laid in the underground it is impossible to prevent the inductive lig...

Страница 14: ...lay make contact amplification by the low voltage relay and operate by connecting CR circuit Spark Killer SK Diode etc for DC suited for relay coil directly to relay Add CR circuit to the load side of...

Страница 15: ...is big noise the trouble action may be taken by the reckless drive of CPU Unforeseeable noise may break into the contact regardless of inductive load and the above trouble tends to be produced As the...

Страница 16: ...with single case In case of multi unit case refer to instruction manual for multi unit case Be sure to make grounding for safety purpose and to keep stable operation of this unit Do not connect each w...

Страница 17: ...20mA output GND Earth terminal Detector head 24 CAUTION Use CVV 1 25mm2 cable for connection of detector head Do not distribute power cable detector head cable and signal cable together with power lin...

Страница 18: ...s Even relay contact works treat that any influence will not be given to the outer To prevent fire check that the designated fuse is used Basic performance flow Power on Stand by Initial clear approx...

Страница 19: ...when the front cover is opened 3 Put the power switch upward to ON and downward to OFF 4 Put the power switch on and power light illuminates 5 Status of initial clear about 25 sec is displayed as Chec...

Страница 20: ...ndications by LED display and LED light are different from the condition of the unit Preparation Power ON Action of LED light Light off Light on Flashing Initial clear Approx 25 sec Detection mode Onl...

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Страница 28: ...after making point ship with the upper system Centralized system When finish this operation check the external output and function of outer equipment to be connected with external alarm contact Then j...

Страница 29: ...light AL1 Orange AL2 Red There are two alarm levels When reading reaches each preset alarm level or exceeds each preset alarm level this starts flashing and then returns to continuous lighting after r...

Страница 30: ...be taken Alarm other than gas leakage t may respond to interference gas For interference gases contact the nearest agent or RIKEN KEIKI t may be caused by drifting due to the change of long time elap...

Страница 31: ...ad side Alarm test Check that the alarm light flashes and buzzer sounds Regular maintenance check The following items shall be checked at regular check Daily check Cleaning of this unit Adjustments Fu...

Страница 32: ...rk place under the normal temperature and humidity away from direct sunlight In a place where gases solvents or vapors are not present SCRAP OF PRODUCT AND SENSOR Regarding indicator alarm unit comple...

Страница 33: ...ated from disconnection and short circuit between units Check the wirings including peripheral equipment as well as detector head Re check the detection system and contact our nearest agent or RIKEN K...

Страница 34: ...of sensor cable Check whether sensor is connected or the sensor cable connector is connected to the sensor If can not be recovered contact our nearest agent or RIKEN KEIKI Fuse disconnection Performa...

Страница 35: ...put of signal showing the maintenance mode condition is displayed on the external output signal By this the maintenance is carried out independently on this unit Press MODE switch for over 3 seconds t...

Страница 36: ...flashing steady light after reset operation Relay contact De energized at normal Energized at alarm standard or Energized at normal De energized at alarm option Potential free contact N O standard or...

Страница 37: ...s Standard compositions Indicator alarm unit Model NC 591W Operating instruction manual 1 vol Spare fuse Depends on ordered quantity of the unit 1 10 units 11 20 units 21 50 units 51 units and above 1...

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