Ecolab LMI 02, User Manual

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417102012_LMI02.doc - 4 - Rev. 9-07.08
Tables of contents
1 General information 54
1.1 Maintenance and Repair 54
1.2 Damage in transit 54
1.3 Warranty 54
1.4 Contact address / manufacturer 54
2 Safety 55
2.1 General information 55
2.2 Special labels 55
2.3 Lists 55
2.4 Special safety information for maintenance- and repair work 55
3 Scope of delivery 56
4 Assembly 57
5 Functional Description 58
5.1 The measurement principle 58
5.2 The conductivity measurement and control instrument 59
5.3 Temperature compensation 59
5.4 Detergent pre-metering and pre-metering delay time 60
5.5 Detergent metering with time limit (relay-output SP1) 61
5.6 Relay-output SP2 61
5.7 Relay-output alarm message 61
5.8 Pre-metering relay-output 62
5.9 Special application “CIP” 62
5.9.1 Switchover to CIP-mode 62
5.9.2 Differences in function from AS mode 62
6 Installation 63
6.1 Mechanical connection 63
6.1.1 Installation of conductivity measuring and control instrument LMI 02 63
6.1.2 Pipe installation (flow-through fitting) 63
6.1.3 Tank wall installation 63
6.1.3.1 Tank wall installation by means of welded-on fittings in acc. with DIN 11851 64
6.1.3.2 Direct tank wall installation by means of retaining nut (for straight tank wall) 64
6.2 Electrical Connection 65
6.2.1 Connection plan 65
6.2.2 Terminal plan 65
6.2.3 Auxiliary power connection 65
6.2.4 Switch outputs SP1, SP2, Alarm message and pre-metering 66
6.2.5 “VD Start” (pre-metering) input 66
6.2.6 “Metering enable” input 66
6.2.7 Level Input 66
6.2.8 Conductivity probe input 66
6.2.9 Signal output 67
7 Settings and Startup 68
7.1 Operating level 68
7.1.1 Key functions 68
7.1.2 Displays during operation 69
7.1.2.1 Displays in AS mode (priming mode) 69
7.1.2.2 Displays in CIP mode 70
7.1.2.3 Display when instrument is switched off 70
7.1.2.4 Displays in the information level: 71
7.2 Service level 71
7.2.1 Access protection 72
7.2.2 Manual functions 72
7.2.3 Access code functions 73
7.3 Parameter level 74
7.3.1 Settings 74
7.3.2 Adjustment functions 75
7.3.2.1 Alignment of the conductivity display 75
7.3.2.2 Alignment of the Temperature display 75
7.3.3 Metering settings 76
7.3.3.1 Setting the pre-metering time 76
7.3.3.2 Setting the pre-metering delay time 76
7.3.3.3 Setting the concentration of SP1 and SP2 76
7.3.3.4 Temperature compensation setting 77
7.3.4 Alarm message settings (ex-works setting in brackets) 77
7.3.4.1 Alarm message on detergent shortage 77
7.3.4.2 Alarm message on exceeding metering time (t
max.
function) 78
7.3.4.3 Setting the manual metering time 78
7.3.4.4 Detergent overdosage alamr 79
7.3.4.5 Alarm delay time for detergent overdosage 79
7.3.4.6 Alarm in case of low tank temperature 80
7.3.4.7 Alarm delay time for temperature undercut 80
7.3.4.8 Alarm repeat time 81
7.3.4.9 Reset parameters 81
7.4 Configuration level 82
7.4.1 Selecting the operation language 82
7.4.2 Selecting the operating mode 82
7.4.3 Selecting the measuring range 83
7.4.4 Selecting the current output mode 83
7.4.5 Invert switch functions 83
7.4.6 Assignment of metering enable 84
7.4.7 Activate separate pre-metering output 84