Bacharach HGM-MZ Maintenance And Troubleshooting Manual Download

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HGM-MZ

Major Parts List with Part Numbers

Sampling Pump with
Connector 3015-5176

Rabbit Processor
Board

Hydrophobic Filter
07-1650

Battery
0204-
0020

Infrared Bench Replacement
Kit 3015-4572

Power Supply Board
3015-5149

Power
Entry
Board w
Fuse

Manifold Control Board
3015-5095

Main
Processor
Board
(Motherboar
d)

Replaceme
nt Fuses
(2)
0004-2620

Manifold Block w/ Purge
3015-5080
4 port manifold (not shown)
3015-5072

Plug in points for
optional dual 4-20
communications board

10 pin Ribbon
cable
3015-4258

12 pin
Ribbon
cable

Note: this sensor is
shown without the
YELLOW TAPE around

Summary of Contents for HGM-MZ

Page 1: ...ASURABLE DIFFERENCE New Kensington PA USA Dublin Ireland Toronto Canada mybacharach com BACHARACH Inc HGM MZ Multi Zone Monitor Annual Maintenance And Troubleshooting Guide Service Testing and Mainten...

Page 2: ...f the monitor is installed in areas of high levels of dust and particulate it is recommended that semi annual or quarterly filter changes be made to prevent system faults due to purge or zone restrict...

Page 3: ...screen on the HGM MZ select the top left block under STATUS and press enter This will take you to the SETUP screen To enter service mode From the main sampling screen figure 1 press enter two times th...

Page 4: ...voltage and IR voltage adjustment screen select SERVICE MODE ENTRY press enter twice then select SYSTEM and press enter To enter service mode From the main sampling screen figure 1 press enter two tim...

Page 5: ...e the arrow keys move to it then press enter which will allow you to see the voltage and make the adjustments with the up and down arrow keys The detector digipot DET DIGIPOT voltage range should be b...

Page 6: ...ot set outside the range of 300 to 500 after adjusting the IR detector voltage IR DIGIPOT A typical MW setting for a sensor with Yellow tape is 325 without the tape it is approx 425 To adjust the MW u...

Page 7: ...The pinch test can isolate the problem quickly In the diagnostic screen observe the live pressure PRES then pinch the tube on one side of the white disc Hydrophobic filter pinching either side is OK...

Page 8: ...ry 0204 0020 Infrared Bench Replacement Kit 3015 4572 Power Supply Board 3015 5149 Power Entry Board w Fuse Manifold Control Board 3015 5095 Main Processor Board Motherboar d Replaceme nt Fuses 2 0004...

Page 9: ...A Dublin Ireland Toronto Canada mybacharach com Inside Cover View Filters 3015 3125 Charcoal Filter Assembly with Fittings 3015 5931 Display PC Board and Keypad PC Board Kit With interconnecting Ribbo...

Page 10: ...ASURABLE DIFFERENCE New Kensington PA USA Dublin Ireland Toronto Canada mybacharach com Figure 1 07 1650 Hydrophobic Filter Figure 2 3015 2906 Line end filter only Figure 3 3015 3420 Line End Filter A...

Page 11: ...3 6 Gas test zone with bump gas 7 Check IR voltages both Detector and Digipot 8 Check sample pump pressures 9 Check HGM RD remote display If applicable 10 Take monitor in and out of service mode to ca...

Page 12: ...000 REZERO VOLT TOL and a 200 GAIN SET FAULT combined to indicate two faults registered at the same time Most common fault code is an 1800 which is a combination of a 1000 No flow on purge and an 800...

Page 13: ...log If filter is clear then the problem could be in the manifolds or manifold control board Call Bacharach tech support for assistance in trouble shooting the Manifold control board 724 334 5000 DET I...

Page 14: ...mode the Pressure value and the ambient value are equal or very close to equal at sea level they would be 14 xx PSIA The pressure is the live number with the Vacuum and Ambient values being stored fo...

Page 15: ...the dual 4 20 ma dc option card was installed and one or both current loops are open unconnected to load or without shorting jumpers 2 Check the wiring to load monitoring circuit on both 4 20 mA loops...

Page 16: ...nd burst of gas directed at the test zone pickup while the monitor is polling that zone f After a short delay the monitor will indicate the presence of gas on that zone The PPM reading will vary as th...

Page 17: ...Bacharach THE MEASURABLE DIFFERENCE New Kensington PA USA Dublin Ireland Toronto Canada mybacharach com...

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