User guide

Revision 2.2 Page 13 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
Single Compressor Operation
If a single compressor is configured then the Lag cut-in and Lag Diff parameters are ignored. Compressor 1 will come on when the
control temperature reaches Lead Cut-In set point and will go off when the control temperature reaches the Lead Cut-In set point minus
the Lead Diff setpoint. In this operational mode the valve icon will be steady on when the compressor is running and off when the
compressor is not running.
Manual Defrost
Press and hold the "#" key for 3 seconds. A manual defrost in accordance with the defrost parameters will be performed (see defrost
page).