User guide

Revision 2.2 Page 14 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
Electric Defrost Cycle
Gas Defrost Cycle
Fans Relay
(fans on in
defrost)
On
Off
Compressor Stays ON
Comp Switches OFF
Defrost Termination
Temperature P-51
Fan Delay
Temperature P-49
Control
Temperature
Comp Relay
Fans Relay
Defrost Relay
On
On
On
Off
Off
Off
Normal Operation
Normal Operation
Termination Time P-45
OR
Termination Temp P-44
Drain Down
Time P-47
Recovery
Time P-48
Fan Delay Time P-49
OR
Fan Delay Temp P-51
Defrost Termination
Temperature P-51
Fan Delay
Temperature P-49
Control
Temperature
Comp Relay
Fans Relay
(fans off in
defrost)
Defrost Relay
On
On
On
Off
Off
Off
Normal Operation
Normal Operation
Termination Time P-45
OR
Termination Temp P-44
Drain Down
Time P-47
Recovery
Time P-48
Fan Delay Time P-49
OR
Fan Delay Temp P-51