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Gas Detector and Controllers 

 

 

Installation and Operation Manual 

Instruction 6109-9000 

Revision 4 – June 2014 

 

 

 

 

 

 

 

 

 

 

 

Product Leadership  

•

  Training  

•

  Service  

•

  Reliability 

Содержание MGD-100

Страница 1: ...Gas Detector and Controllers Installation and Operation Manual Instruction 6109 9000 Revision 4 June 2014 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: ...UBJECT 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 SOFTWAR...

Страница 4: ...ems VRF VRV 17 SECTION 3 HOUSING DIMENSIONS 18 SECTION 4 WIRING INSTRUCTIONS 23 4 1 Wiring MGD 100s 23 4 2 External Audible Alarm 24 4 3 DC Output 24 4 4 Relays 25 4 5 Power Connection 25 SECTION 5 OP...

Страница 5: ...on of gases The system is available with one or two levels of alarm The MGD 100 can be used for detecting refrigerant gases including NH3 and CO2 speedy detection of combustible gases detection of tox...

Страница 6: ...MGD 100 Manual 6 6109 9000 Rev 4 Figure 1 MGD 100 1 and 2 Channel Controller PCB Single Level Alarm Figure 2 MGD 100 1 and 2 Channel Controller PCB Dual Level Alarm...

Страница 7: ...MGD 100 Manual 6109 9000 Rev 4 7 Figure 3 MGD 100 4 and 6 Channel Controller PCB Single Level Alarm...

Страница 8: ...MGD 100 Manual 8 6109 9000 Rev 4 Figure 4 MGD 100 4 and 6 Channel Controller PCB Dual Level Alarm...

Страница 9: ...MGD 100 Manual 6109 9000 Rev 4 9 Figure 5 Examples MGD 100 PCBs...

Страница 10: ...ed 500 ft 152 m max 22 AWG Max 8 8 wire Approvals UL CSA IEC EN 61010 1 CE Sensor Channels 1 and 2 channel systems 4 and 6 channel systems Max Power 15 W 25 W Alarm Levels 1 Level 2 Levels 1 Level 2 L...

Страница 11: ...w Remote Sensor 6 89 x 6 1 x 3 29 175 x 155 x 82 mm 1 lb 11 oz 790 g IP66 w Exd Remote Head 6 89 x 6 1 x 3 29 175 x 155 x 82 mm 2 lb 10 oz 1185 g IP66 w PRV Sensor Head 6 89 x 6 1 x 3 29 175 x 155 x 8...

Страница 12: ...n a n a n a n a 4000 4000 n a n a n a n a 4400 4400 n a n a n a n a 4800 4800 n a n a n a n a 5000 5000 2500 n a n a n a 5400 5400 2700 n a n a n a 5800 5800 2900 2578 n a n a 6000 6000 3000 2667 n a...

Страница 13: ...ged Do not touch nor disturb any of these components NOTE The mounting location of the monitor should allow it to be easily accessible for visual monitoring and servicing NOTE The monitor must be conn...

Страница 14: ...ou may deactivate the siren until stabilization is complete Use the key switch on two alarm units Remove jumper JP1 in the case of a one alarm unit Mount the controller using the mounting holes in the...

Страница 15: ...machinery rooms where there is no discernible or strong airflow then options are Point Detection where sensors are located as near as possible to the most likely sources of leakage such as the compres...

Страница 16: ...In large rooms with multiple evaporators sensors should be mounted on the central line between 2 adjacent evaporators as turbulence will result in airflows mixing 2 5 Chillers In the case of small wat...

Страница 17: ...lation to the refrigerant and they shall be located where the refrigerant from the leak will collect In this case refrigerants are heavier than air and detectors should have their sensors mounted low...

Страница 18: ...MGD 100 Manual 18 6109 9000 Rev 4 Section 3 Housing Dimensions Figure 6 MGD 100 Standard Housing...

Страница 19: ...MGD 100 Manual 6109 9000 Rev 4 19 Figure 7 MGD 100 Exd Housing Figure 8 MGD 100 IP66 Housing with Splash Guard...

Страница 20: ...D 100 Manual 20 6109 9000 Rev 4 Figure 9 MGD 100 IP66 Housing with Remote Sensor Figure 10 MGS 100 IP66 Housing with Airflow Duct Mount See Figure 8 for mounting locations Cut out in duct for pitot 22...

Страница 21: ...MGD 100 Manual 6109 9000 Rev 4 21 Figure 11 4 6 Sensor Controller Housing...

Страница 22: ...MGD 100 Manual 22 6109 9000 Rev 4 Figure 12 1 to 2 Sensor Controller Housing...

Страница 23: ...erminal block CN1 positions 1 2 3 4 Installation should be such that pin 1 of the MGD 100 controller is connected to pin 1 of the MGD 100 6 Close the housing 7 Repeat above sequence for any all remain...

Страница 24: ...3 DC Output NOTE This section applies to the 12 VDC output 4 6 channel systems only Step Wiring the DC Output 1 The 12 VDC 500 mA output is obtained via the 12V terminal This output may be wired via...

Страница 25: ...fail safe jumper on the control unit s printed circuit board 4 5 Power Connection Use 3 wire 20 AWG wire for 230V systems or 3 wire 18 AWG wire for 120V systems Connect the main power supply to the MA...

Страница 26: ...MGD 100 Manual 26 6109 9000 Rev 4 Figure 13 1 2 Sensor One Alarm Installation Diagram...

Страница 27: ...MGD 100 Manual 6109 9000 Rev 4 27 Figure 14 1 2 Sensor Two Alarm Installation Diagram...

Страница 28: ...MGD 100 Manual 28 6109 9000 Rev 4 Figure 15 4 6 Sensor One Alarm Installation...

Страница 29: ...MGD 100 Manual 6109 9000 Rev 4 29 Figure 16 4 6 Sensor Two Alarm Installation...

Страница 30: ...s has expired alarms may activate You may deactivate the siren using the key switch until stabilization is complete After the MGD has been installed in accordance with the installation instructions th...

Страница 31: ...Resetting Alarms One or more red lights on the panel turn on The audible alarm operates continuously and the high alarm relay operates this indicates presence of a high level of gas on one or more of...

Страница 32: ...tested to ensure correct functionality by electrically resetting the zero setting and carrying out a bump test See procedures below IMPORTANT The testing and or calibration of the unit must be carrie...

Страница 33: ...be done quarterly every 3 months or on a more frequent basis Bacharach is not responsible for setting safety practices and policies Safe work procedures including calibration policies are best determi...

Страница 34: ...s shown on the calibration label This is performed on the MGD 100 Sensor PCB Electrical reset information is listed on the label on the side of the enclosure and is unique to that sensor Tools require...

Страница 35: ...ted on site in a clean air atmosphere NOTE Prior to carrying out a bump test check and adjust the zero setting as described in the Calibration section NOTE Procedures for bump test and calibration var...

Страница 36: ...s unsuccessful perform a calibration as described later in this manual IMPORTANT After a semiconductor sensor is exposed to a substantial gas leak the sensor should be checked and replaced if necessar...

Страница 37: ...the beaker over the sensor head using the multi sensor adaptor to fit the sensor or if an Exd IP66 or remote sensor head version screw the beaker on the remote sensor head M42 thread or M35 thread ada...

Страница 38: ...n available for two alarm units and 1 and two alarm IR units On site gas calibration These are explained in the next two sections 6 6 Sensor Board Exchange There are a number of advantages to sensor b...

Страница 39: ...offers a calibration kit that consists of a calibration gas cylinder and a flow regulation valve with flexible non absorbent tubing and vented calibration hood In some cases this option may be expensi...

Страница 40: ...d use the new value for subsequent electrical set ups Step Adjusting the High Alarm Threshold Voltage ATV 5 Monitor voltage between TP5 0V TP4 Ve 0V and VS on IR units 6 Apply the high concentration c...

Страница 41: ...r and the sensor to ensure that the wires from positions 1 to 4 on the sensor are connected to the corresponding 1 to 4 connectors on the controller NOTE If false alarms are being triggered by backgro...

Страница 42: ...ller 1 12V Power Supply 10V 2 Sensor output These are approximate typical internal reference values 0 Fault 0 4V 1 6V 2 8V 3 Approximately 4 5V 4 8 5V 4 Is the negative side of the power supply Negati...

Страница 43: ...ccordance with the following directive 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...

Страница 44: ...l 44 6109 9000 Rev 4 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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