Inhibitor
MTD75 Operation Guide
- 81 -
Inh
ibitor
Inhibitor Trigger Source
The user can select to initiate the Inhibitor dose in a
number of ways by selecting the appropriate trigger
condition. Selecting “Off” from the “Source” menu
item can permanently deactivate the Inhibitor relay
output.
Bleed will only be shown if the bleed relay has been
configured (see page 74).
/
– Select Option
EXIT
– Cancel
– Save Selection
Mode
Selecting off-line causes the Inhibitor relay to de-
energise. Useful for when commissioning or
calibrating the instrument.
When the unit is placed in an off-line state “off-line”
will appear in the relay’s message section on the
front screen.
If a “Cannot Edit Digital Input Has Control” message
appears, then an associated digital input is currently
controlling the on-line / off-line state of the relay.
/
– Select Option
EXIT
– Cancel
– Save Selection
Bleed Time
Trigger the Inhibitor relay after the entered
accumulated bleed time.
Only available when the source is set to “Bleed”.
/
– Increase / Decrease Digit
– Select Next Digit
EXIT
– Cancel
– Save Value
Summary of Contents for MTD75
Page 1: ...MTD75 Cooling Tower Controller Operation Guide ...
Page 2: ......
Page 5: ...Preface MTD75 Operation Guide 3 Declaration of Conformity ...
Page 6: ...Preface 4 MTD75 Operation Guide ...
Page 12: ...Introduction 10 MTD75 Operation Guide Introduction MXD75 Termination Overview ...
Page 29: ...Installation MTD75 Operation Guide 27 Installation Horizontal Mounting Vertical Mounting ...
Page 30: ...Installation 28 MTD75 Operation Guide Installation Blank ...
Page 72: ...Biocide A 70 MTD75 Operation Guide Biocide A BLANK ...
Page 74: ...Biocide B 72 MTD75 Operation Guide Biocide B BLANK ...
Page 88: ...Inhibitor 86 MTD75 Operation Guide Inhibitor BLANK ...
Page 98: ...pH Control 96 MTD75 Operation Guide pH Control BLANK ...
Page 100: ...Alarm Relay 98 MTD75 Operation Guide Alarm Relay BLANK ...
Page 108: ...Electrodeless Conductivity Setup 106 MTD75 Operation Guide ECS Setup BLANK ...
Page 112: ...pH Input Setup 110 MTD75 Operation Guide pH Setup BLANK ...
Page 118: ...Redox Calibration 116 MTD75 Operation Guide Redox Calibration BLANK ...
Page 140: ...pH Calibration 138 MTD75 Operation Guide pH Calibration BLANK ...
Page 142: ...Calibration Reset 140 MTD75 Operation Guide Calibration Reset BLANK ...
Page 148: ...Current Outputs 146 MTD75 Operation Guide Current Outputs BLANK ...
Page 152: ...Digital Inputs 150 MTD75 Operation Guide Digital Inputs BLANK ...
Page 158: ...Configuration 156 MTD75 Operation Guide Configuration BLANK ...
Page 160: ...Update Software 158 MTD75 Operation Guide Update Software BLANK ...
Page 164: ...Save Restore Reset 162 MTD75 Operation Guide Save Restore Reset BLANK ...
Page 166: ...Error Messages 164 MTD75 Operation Guide Error Messages BLANK ...
Page 172: ...Modbus RS485 170 MTD75 Operation Guide Modbus RS485 BLANK ...
Page 184: ...Data Logging 182 MTD75 Operation Guide Data Logging BLANK ...
Page 246: ...Appendix F 244 MTD75 Operation Guide Appendix F Blank ...
Page 254: ...Appendix G 252 MTD75 Operation Guide Appendix G BLANK ...
Page 260: ...Notes 258 MTD75 Operation Guide ...
Page 261: ...Notes MTD75 Operation Guide 259 ...
Page 265: ......