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3 - Mounting of the SURVEYOR 4B

5

Chapter 3│ Mounting of the SURVEYOR 4B

The

surveyor 4B

appliance fitted on its symmetrical DIN rail must be

installed in a closed electrical equipment cabinet.

A space of 100 mm is necessary around of the

Surveyor 4B

.

The

Surveyor 4B

should preferably be located in a monitored

location (such as a guardhouse, control room or instrumentation
room).

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Summary of Contents for Surveyor 4B

Page 1: ...User Manual Surveyor 4B R f rence NPS4BGB R vision E 0 The Fixed Gas Detection Experts...

Page 2: ...permission of Oldham S A S is forbidden The information contained in this manual is accurate to our knowledge As a result of continuous research and development the specifications of this product may...

Page 3: ...of the SURVEYOR 4B 5 Chapter 4 Connections 7 Alternative power supply 7 DC power supply 8 Explosimetric detectors 8 External components 9 Examples of installation 11 Chapter 5 Operating instructions 1...

Page 4: ...iv Surveyor 4B User Manual...

Page 5: ...t be held liable for any misinterpretations in the reading of this manual In spite of our efforts to produce an error free manual it may nonetheless contain some unintentional technical inaccuracies I...

Page 6: ...instructions can have serious consequences on the safety of persons Please be extremely rigorous as regards electricity and assembly coupling network connections Cables with an operating temperature o...

Page 7: ...led in premises without explosive atmospheres The central controller is intended for use in areas that meet the Class II requirements for overvoltage and degree of pollution 2 Surveyor 4B is Class II...

Page 8: ...ents used in operation are located on the front of the appliance adjustments and tests on the top Item 1 Figure 1 indicator lights on the FRONT face Item 2 Figure 1 connections at the bottom Item 3 Fi...

Page 9: ...ppliance fitted on its symmetrical DIN rail must be installed in a closed electrical equipment cabinet A space of 100 mm is necessary around of the Surveyor 4B The Surveyor 4B should preferably be loc...

Page 10: ...6 Surveyor 4B User Manual...

Page 11: ...stallation The nature of the current and line voltage must be checked The line voltage must match the voltage specified on the plate fitted on the Surveyor 4B The voltage is configured in the factory...

Page 12: ...1 5 mm Power consumption 5 8 W max detector connected Explosimetric detectors Only explosimetric detectors of the bridge type can be connected to the SV 4B Surveyor 4B and the detector are connected...

Page 13: ...SPDT contacts available on the SV 4B terminal block Item 3 Figure 4 Relay 2 REL 2 which is negative safety mode corresponds to the second gas threshold only This relay is also equipped with SPDT conta...

Page 14: ...anual Caution The high power solenoid valves cannot be directly remote controlled 3 A power relay is required 3 The maximum current through the relay contacts will be 2 A and the maximum voltage will...

Page 15: ...tectors Breaking capacity of rating relays switch contact 2A 250Vca 30Vdc Important The relay s contacts are shown on the SV 4B label unit switch off The AL1 DEF relays are normally energized and the...

Page 16: ...ctor Breaking capacity of rating relays switch contact 2A 250Vca 30Vcc Important The relay s contacts are shown on the SV 4B label unit switch off The AL1 DEF relays are normally energized and the AL2...

Page 17: ...y 1 is operated positive safety position Switching off The SV 4B is switched off by cutting off the power supply on an electrical equipment cabinet Alarms GAS alarm The SV 4B has two adjustable GAS al...

Page 18: ...tion installations This type of test consists of injecting the calibration gas into the detector at a sufficient concentration to activate the pre set alarms It is to be understood that this test is i...

Page 19: ...trigger the first threshold AL1 the red LED AL1 flashes for 7 seconds and then remains on in steady mode trip the corresponding alarm relay If you stop at this point alarm 2 will be set to twice the l...

Page 20: ...1 methane you read 1 000 mV for instance If you set the alarm potentiometer to read 1 500 mV the alarm is triggered at 1 5 methane Signal mV mV mVx 1500 1000 1 1000 Or Threshold 1 1500 1000 15 x mV m...

Page 21: ...5 Operating instructions 17 As long as there is a high enough concentration of gas to trigger an alarm it is impossible to clear that alarm manually with the Ack button...

Page 22: ...h the potentiometer item 1 Figure 9 Checking the sensitivity Necessary when a cell is replaced At least twice a year Prepare the calibration kit and secure the gas input pipe to the detector Adjust th...

Page 23: ...5 Operating instructions 19...

Page 24: ...s otherwise the reliability of the equipment could be adversely affected The fuse Figure 10 item 1 must be replaced by qualified personnel only The fuse is and must be in compliance with CEI 127 with...

Page 25: ...mption 5 8 W detector connected 230Vac 0 4A detector connected 12 Vdc Electrical protection Fuse Relays Relay 1 Relay 2 Common to gas alarm 1 and fault Gas alarm 2 Contact SPDT relay 1 positive safety...

Page 26: ...22 Surveyor 4B User Manual...

Page 27: ...atural resources SV 4B has to be the object of a selective collection for the electronic equipments and cannot be scrapped with the normal domestic waste The user thus has the obligation to separate t...

Page 28: ...24 Surveyor 4B User Manual...

Page 29: ...8 Main Part Numbers 25 Chapter 8 Main Part Numbers D signation Reference Surveyor 4B controller for 340mA wheatstone bridge sensor 6 514 807 Fuse 5x20 T125 mA 250 V 6 154 701...

Page 30: ...26 Surveyor 4B User Manual...

Page 31: ...ment should only be performed by qualified personnel and power must be first switched off Fuses shall comply with IEC 60127 standard time delay fuse low breaking capacity 250Vac Please see Chapter 8 O...

Page 32: ...28 Surveyor 4B Manuel utilisateur...

Page 33: ...10 Certificate of Compliance 29 Chapter 10 Certificate of Compliance The document hereafter 1 page reproduces the EU declaration of conformity...

Page 34: ...30 Surveyor 4B Manuel utilisateur...

Page 35: ......

Page 36: ...Cedex FRANCE T l 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Web site https gasdetection 3M com AMERICAS Tel 1 713 559 9280 Fax 1 281 292 2860 americas oldhamgas com ASIA PACIFIC Tel 86 21 3127 6373 Fa...

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