User guide

Revision 2.2 Page 2 of 17
Warning
Please Note
The specifications of the product detailed on this
Set-Up Guide may change without notice. RDM
Ltd. shall not be liable for errors or for incidental
or consequential damages, directly and indirectly,
in connection with the furnishing, performance or
misuse of this product or document.
Ensure that all power is
switched off before
installing or maintaining
this product
ML Twin Controller Installation Guide
www.resourcedm.com
Table of Contents:
Introduction ........................................................................................................................................................ 3
Display ................................................................................................................................................................ 3
Relay Modules .................................................................................................................................................... 4
Parameter Tables ............................................................................................................................................... 5
Parameter Description ...................................................................................................................................... 6
Setting-up ........................................................................................................................................................... 7
Viewing/Changing Menu Items ......................................................................................................................... 7
Menu Items ...................................................................................................................................................... 7
Inputs and outputs ............................................................................................................................................ 8
Hub/Switch Type .............................................................................................................................................. 8
Case Off / Sec ..................................................................................................................................................... 8
Monitor Probe .................................................................................................................................................... 8
Trim Heater ......................................................................................................................................................... 8
Units .................................................................................................................................................................... 8
Disp .................................................................................................................................................................. 8
Type ................................................................................................................................................................. 8
Relay State and functional operation .............................................................................................................. 9
RTC ................................................................................................................................................................ 10
Network Configuration .................................................................................................................................... 10
Network Compatibility .................................................................................................................................... 10
IP Communications ........................................................................................................................................ 11
Front Panel messages: .................................................................................................................................. 12
Operation: ......................................................................................................................................................... 12
Lead and Lag Compressor Cut-in .................................................................................................................. 12
Lead and Lag Swap Over .............................................................................................................................. 12
Anti Short Cycle ............................................................................................................................................. 12
Single Compressor Operation ........................................................................................................................ 13
Manual Defrost ............................................................................................................................................... 13
Electric Defrost Cycle ..................................................................................................................................... 14
Gas Defrost Cycle .......................................................................................................................................... 14
Network Alarms ............................................................................................................................................... 15
Network Commands ........................................................................................................................................ 15
View I/O ............................................................................................................................................................. 16
Specification: ................................................................................................................................................... 16
General: ......................................................................................................................................................... 16
Relays ............................................................................................................................................................... 17
PART NUMBERS .............................................................................................................................................. 17
REVISION HISTORY ......................................................................................................................................... 17