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MGS-350 Manual 

 

 

6 

6509-9000 Rev 1 

1.2.  Specifications 

Housings 

Dimensions 

Weight 

Standard 

 

145 x 185 x 80 mm 

5.7 x 7.3 x 3.1 in 

850 g 

1.9 lb 

IP66 w/ Digital 
Display 

 

175 x 165 x 82 mm 

6.9 x 6.5 x 3.2 in 

719 g 

1.6 lb 

IP66 

 

175 x 165 x 82 mm 

6.9 x 6.5 x 3.2 in 

660 g 

1.5 lb 

IP66 w/ Splash 
Guard 

 

175 x 225 x 82 mm 

6.9 x 8.9 x 3.2 in 

756 g 

1.7 lb 

Splash Guard 
w/ M42 Thread 

 

75mm x 50 mm 

3.0 x 2.0 in 

72 g 

0.2 lb 

IP66 w/ Remote 
Sensor Head 

 

175 x 155 x 82 mm 

6.9 x 6.1 x 3.2 in 

917 g 

2.0 lb 

Exd 

 

130 x 175 x 90 mm 

5.1 x 6.9 x 3.5 in 

4003 g 

8.8 lb 

Exd + Digital 
Display 

 

140 x 180 x 130 mm 

5.5 x 7.1 x 5.1 in 

2322 g 

5.1 lb 

IP66 w/ Exd 
Remote Sensor 
Head 

 

175 x 155 x 82 mm 

6.9 x 6.1 x 3.2 in 

1240 g 

2.7 lb 

IP66 w/ PRV 
Remote Sensor 
Head 

 

175 x 155 x 82 mm 

6.9 x 6.1 x 3.2 in 

900 g 

2.0 lb 

IP66 
Airflow/Duct 
Mount 

 

175 x 125 x 82 mm 

6.9 x 4.9 x 3.2 in 

643 g 

1.4 lb 

Remote Face 
Plate 

 

86 x 86 mm 

3.4 x 3.4 in 

86 g 

0.2 lb 

 

Содержание MGS-350

Страница 1: ...MGS 350 Gas Detector Installation and Operation Manual Instruction 6509 9000 Revision 1 February 2013 Product Leadership Training Service Reliability...

Страница 2: ...PPED TO THE MANUFACTURER BY PREPAID FREIGHT ALL RETURNED GOODS MUST BE PRE AUTHORIZED BY OBTAINING A RETURN MERCHANDISE AUTHORIZATION RMA NUMBER CONTACT THE MANUFACTURER FOR A NUMBER AND PROCEDURES RE...

Страница 3: ...SUBJECT TO COPYRIGHT PROTECTION ALL RIGHTS ARE RESERVED NO PARTY MAY USE OR COPY SUCH SOFTWARE IN ANY MANNER OR FORMAT EXCEPT TO THE EXTENT THAT BACHARACH GRANTS THEM A LICENSE TO DO SO IF THIS SOFTW...

Страница 4: ...7 Components Overview and Configuration 19 2 8 Connecting to an MGS Controller 22 2 9 Connecting to a Repeater 23 SECTION 3 OPERATION AND STABILIZATION 24 SECTION 4 FUNCTIONAL TESTS AND CALIBRATION 2...

Страница 5: ...e LPG Propane Butane and Hydrogen Toxic gases Hydrogen Sulfide in sewage treatment Carbon Monoxide in parking garages etc Volatile Organic Compounds Acetone Benzene Carbon Tetrachloride Chloroform Eth...

Страница 6: ...rd w M42 Thread 75mm x 50 mm 3 0 x 2 0 in 72 g 0 2 lb IP66 w Remote Sensor Head 175 x 155 x 82 mm 6 9 x 6 1 x 3 2 in 917 g 2 0 lb Exd 130 x 175 x 90 mm 5 1 x 6 9 x 3 5 in 4003 g 8 8 lb Exd Digital Dis...

Страница 7: ...Semi conductor SC Catalytic CAT Infrared IR Sensor Life Typical 3 years 5 8 years 5 years 5 years EC Sensors Formula Typical Detection Range s Ammonia NH3 0 100 ppm 0 1 000 ppm 0 5 000 ppm Carbon Mon...

Страница 8: ...CAT Sensors Formula Typical Detection Range s All Combustible Gasses Selected 0 100 LEL SC Sensors Example Gases Typical Detection Range s HFCs R134a R404A R407C R410A R507 10 10 000 ppm HCFCs R22 10...

Страница 9: ...4 to 122 F 20 to 50 C 40 to 122 F 40 to 50 C EC 4 to 104 F 20 to 40 C 40 to 104 F 40 to 40 C CAT 4 to 122 F 20 to 50 C 40 to 122 F 40 to 50 C IR 4 to 122 F 20 to 50 C 40 to 122 F 40 to 50 C For temper...

Страница 10: ...MGS 350 Manual 10 6509 9000 Rev 1 Figure 2 MGS 350 IP66 Housing with Splash Guard...

Страница 11: ...MGS 350 Manual 6509 9000 Rev 1 11 Figure 3 IP66 Splashguard M42 x 1 5 Thread Figure 4 IP66 Duct Mount Housing...

Страница 12: ...MGS 350 Manual 12 6509 9000 Rev 1 Figure 5 Exd Housing Units mm...

Страница 13: ...MGS 350 Manual 6509 9000 Rev 1 13 Figure 6 IP66 Housing with Remote Sensor Head NOTE For the Exd Remote Head and 16 4 ft 5 m cable the thread varies based on the model 9 8 feet 3 meters Typical...

Страница 14: ...t monitor power and signaling terminals using wiring that complies with local electrical codes or regulations for the intended application CAUTION An earth ground connection must be made when using th...

Страница 15: ...impurities Examples of situations where such abnormalities may arise include the following Plant room maintenance activity involving solvent or paint fumes or refrigerant leaks Accidental gas migratio...

Страница 16: ...equipment to be monitored on a bracket or high on a wall within 12 in 300 mm of or on the ceiling provided there is no possibility of a thermal layer trapped under the ceiling preventing gas from rea...

Страница 17: ...rigerant flow VRV VRF systems mount the sensor so as to monitor airflow to the extract fan With large units also place a sensor inside the enclosure under or adjacent to the compressors In the case of...

Страница 18: ...the occupants E g in a hotel room this is less than bed height between 8 and 20 inches 200 and 500 mm off the floor under mirrors away from drafts and heat sources like radiators etc at vanity units t...

Страница 19: ...nual 6509 9000 Rev 1 19 To clean the faceplate should be lightly dusted IMPORTANT Do not spray chemicals on the MGS 350 2 7 Components Overview and Configuration Figure 7 MGS 350 Connections and Key C...

Страница 20: ...ty of this equipment is dependent on the integrity of the power supply and the grounding of the MGS 350 enclosure CON2 Optional display connector CON3 Analog Output Pin 1 0 V Pin 2 4 20 mA Load resist...

Страница 21: ...2 5 70 4 6 5 0 5 38 2 6 71 4 7 6 0 6 39 2 7 72 4 8 7 0 7 40 2 8 73 4 9 8 0 8 41 2 9 74 4 A 9 0 9 42 2 A 75 4 B 10 0 A 43 2 B 76 4 C 11 0 B 44 2 C 77 4 D 12 0 C 45 2 D 78 4 E 13 0 D 46 2 E 79 4 F 14 0...

Страница 22: ...the MGS 350 for alarm relay settings TP0 TP2 RV2 Alarm Threshold level set by RV2 and can be set by putting a meter between TP0 negative and TP3 positive and adjusting RV2 scale is 0 to 5V e g 2 5V i...

Страница 23: ...an 31 MGS 350 sensors in the system or if your cable is longer than 1000 m then you must install a repeater An example repeater is the IR12 by Innotech The detailed specifications of this particular r...

Страница 24: ...roximate time for the signal to drop to 0V is shown Sensor Type Stabilized 0 V Electrochemical EC 20 30 seconds Catalytic CAT 7 15 minutes Semiconductor SC 1 3 minutes Infrared IR 2 minutes The electr...

Страница 25: ...edures below IMPORTANT Bacharach recommends annual checks and gas calibration Bacharach also recommends sensor replacement every 3 years or as required Calibration frequency may be extended based on a...

Страница 26: ...no responsibility for the calibration testing or operation of this unit The frequency and nature of testing or calibration may be determined by local regulation or standards EN378 and the F GAS Regula...

Страница 27: ...selected see JP1 and JP2 For bump test or calibration the MGS should be powered up overnight The instrument should be fully stabilized per Section 3 4 2 Bump Testing After installation the units shoul...

Страница 28: ...technology used and the gas in question The MGS 350 is available in four sensor versions Semiconductor SC Electrochemical EC Catalytic CAT and Infrared IR Step Bump Testing Using Calibration Gas Cyli...

Страница 29: ...its in the base of the beaker see Figure 9 3 Tighten the wing nut screw onto the ampoule without breaking it 4 Remove the enclosure lid of the gas detector not in an exhaust area 5 Connect a voltmeter...

Страница 30: ...t least 50 typically of the test gas will confirm that the system is in order 9 Remove the beaker from the sensor Carefully remove any ampoule remains from the gas detector and beaker Figure 9 Gas Amp...

Страница 31: ...nd PCB Set time delays if appropriate and power on the unit 3 Carry out a bump test to confirm that the sensor is responding 4 Keep records of the test date sensor serial number and any observations F...

Страница 32: ...ite and the cost of the calibration gas and possibly excess delivery charges as it is classified as a hazardous substance The MGS 350 consists of a motherboard PCB and a sensor board PCB There are fou...

Страница 33: ...signal should be adjusted to 0 4V Figure 12 Adjusting Alarm Relays on the Mother Board IMPORTANT RV3 is used to adjust the relationship between the 0 10 V scale and the 4 20mA scales THIS IS FACTORY...

Страница 34: ...here are two adjustments required the zero and the span They are performed on the sensor board but are monitored on the motherboard at the 0 10 V output Step Calibrating Semiconductor SC Sensors 1 RV2...

Страница 35: ...two adjustments required the zero and the span They are performed on the sensor board but are monitored on the motherboard at the 0 10V output IMPORTANT R7 is used to set the supply voltage to the sen...

Страница 36: ...reads approximately 0 V 2 R1 is used to calibrate the range span of the sensor On the motherboard monitor the output between TP0 negative and CON3 pin 3 positive Expose the sensor to calibration gas...

Страница 37: ...AND SHOULD NOT BE ADJUSTED Step Calibrating Electrochemical EC Sensors 1 VR201 is used to adjust the zero of sensor On the motherboard monitor the output between TP0 negative and CON3 pin 3 positive a...

Страница 38: ...re 15 EC Sensor Board 4 8 Calibration Gas Method for IR Sensors There are two adjustments required the zero and the span They are performed on the sensor board but are monitored on the motherboard at...

Страница 39: ...minimum of 3 minutes to stabilize and then adjust R7 until the voltmeter reads 0 V or slightly positive 0 01 V is acceptable 2 R1 is used to calibrate the range span of the sensor On the motherboard m...

Страница 40: ...en led off indicates a fault Sensor may be disconnected from printed circuit board Check to see sensor is properly inserted into board The sensor has been damaged or has reached the end of life and ne...

Страница 41: ...tive s Directive s 2004 108 EC EU EMC Directive 2006 95 EC Low Voltage Directive LVD Standard s IEC 61010 1 2010 EN 61010 1 2010 Safety Standards Electrical Equipment for Measurement Control and Labor...

Страница 42: ...MGS 350 Manual 42 6509 9000 Rev 1...

Страница 43: ...MGS 350 Manual 6509 9000 Rev 1 43...

Страница 44: ...l 44 6509 9000 Rev 1 World Headquarters 621 Hunt Valley Circle New Kensington Pennsylvania 15068 Phone 724 334 5000 Toll Free 1 800 736 4666 Fax 724 334 5001 Website www MyBacharach com E mail help My...

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