Witt MFA 9000 - Page 3

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WITT-GASETECHNIK GmbH & Co KG
Salinger Feld 4-8

: +49 (0)2302 89010
www.wittgas.com
Gas Safety- & Control Equipment
D-58454 Witten
Fax: +49 (0)2302 89013
witt@wittgas.com
7.4 Diagnosis ........................................................................................................................................... 22
7.4.1 Parameter Menu ..................................................................................................................... 22
7.4.2 Errors ...................................................................................................................................... 23
7.5 Setup .................................................................................................................................................. 24
7.5.1 The Instrument Setup Menu ................................................................................................... 25
7.5.1.1 Unit Setup .................................................................................................................. 25
7.5.1.2 Measuring Gas Setup ................................................................................................ 26
7.5.1.3 Response Time Setup ............................................................................................... 27
7.5.1.4 Multi Gas Mode List ................................................................................................... 28
7.5.2 The Relays Setup Menu ......................................................................................................... 28
7.5.2.1 Relay 1 Mode ............................................................................................................ 29
7.5.2.2 Relay 1 Threshold ..................................................................................................... 29
7.5.2.3 Relay 1 Hysteresis .................................................................................................... 30
7.5.2.4 Relay 1 Failsafe / Not failsafe.................................................................................... 30
7.5.2.5 Relay 1 active/frozen during Calibration ................................................................... 31
7.5.2.6 Relay 2 Mode ............................................................................................................ 31
7.5.2.7 Common Relay .......................................................................................................... 32
7.5.3 Analog Output Setup .............................................................................................................. 33
7.5.3.1 Current Loop.............................................................................................................. 33
7.5.3.2 Analog Output 1 ........................................................................................................ 35
7.5.3.3 Analog Output 2 ........................................................................................................ 36
7.5.3.4 Adjust Loop................................................................................................................ 36
7.5.4 Expert Setup ........................................................................................................................... 37
7.5.4.1 Parameter .................................................................................................................. 37
7.5.4.2 Access Modes ........................................................................................................... 38
7.5.4.3 Reset Functions ........................................................................................................ 39
7.5.4.4 Test of Relays, Analog Outputs and Connections .................................................... 40
7.6 System Errors .................................................................................................................................... 41
8 Servicing and maintenance ...................................................................................... 42
8.1 Safety instructions for servicing and maintenance ............................................................................ 42
8.2 Repair advise ..................................................................................................................................... 42
8.3 Inspection and maintenance .............................................................................................................. 43
8.4 Check / replace filter in the gas inlet .................................................................................................. 43
9 Technical Data ........................................................................................................... 44
9.1 Sensor Specifications ........................................................................................................................ 45
9.1.1 Performance ........................................................................................................................... 45
9.1.2 Measuring gas / Carrier gas combinations and possible measuring ranges.......................... 45
9.1.3 Electrical (MFA 9000) ............................................................................................................. 46
10 Attachment ................................................................................................................. 46