
Revision 1.0 Page 22 of 29
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
Mercury 3 M & E Installation Guide
Viewing IO
Apart from setting up the controller, you can also view the status of the inputs and outputs and controller states.
From the function menu, select “I/O”, press enter. You can now scroll through the IO table as set out below. Inputs and outputs that do
not apply to a particular controller type will be greyed out.
Input / Output Table
-42 to 128 (-43.6 to 262)
-42 to 128 (-43.6 to 262)
-49 to 128 (-56.2 to 262)
-49 to 128 (-56.2 to 262)
-42 to 128 (-43.6 to 262)
-42 to 128 (-43.6 to 262)
-49 to 128 (-56.2 to 262)
-49 to 128 (-56.2 to 262)
-49 to 128 (-56.2 to 262)
-49 to 128 (-56.2 to 262)
External Defrost
(Mechanical Valve)
-49 to 128 (-56.2 to 262)
-42 to 128 (-43.6 to 262)
0 (None), 1 (Internal), 2 (External),
3 (Network), 4 (Display), 5 (Timed)
6 (Forced), 7 (Skipped)
Suction Line Valve/Trim
Heaters
0 (Open/Off), 1 (Closed/On)
0 (Unused), 1 (OK), 2 (Alarm)
0 (Unused), 1 (OK), 2 (Alarm)
-49 to 128 (-56.2 to 262)
0 (Stabilise),1 (Normal), 2 (Defrost Min),
3 (Defrost Max), 4 (Drain Down),
5 (Fan Delay), 6 (Recovery),
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