User guide

Revision 1.0 Page 23 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
www.resourcedm.com
7 (OT Alarm), 8 (UT Alarm),
9 (Fans Only), 10 (Lights Only),
11 (Case Off),12 (Pump Down),
13 (Defrost Hold), 14 (Load Shed)
S-02
Valve State
0 (Off), 1 (Start), 2 (Run), 3 (Problem),
4 (Fail), 5 (Shed)
* Range is dependent on probe type
Maximum and Minimum Control Temperature
Type M only (Not supported in type E).
To view the maximum or minimum Control Temperature the controller has reached since last power off/on press and hold the Up and
Down Buttons together for 3 seconds. The display will show “diSP”, press the Up Button to view the maximum Control Temperature the
controller has reached or press the Down Button to view the minimum Control Temperature the controller has reached.
Display will revert back to normal operation if the Enter Button is pressed or after 1 minute of no button presses. The top bar of the left
hand segment will be lit when the maximum temperature is being displayed. The bottom bar of the left hand segment will be lit when the
minimum temperature is being displayed. Resetting the controller will clear out these values.
Display Messages
The following alarms and messages can appear on the Mercury display.
Network Alarms
The table below shows the text and associated type number that is sent to the system “front end”. The type number is normally used to
provide different alarm actions.
Display
Message
System status
Display
Message
System status
Ft
Control Fault
FanS ONLy
Controller in Fans Only
Prb1
Probe 1 Fault
LitS ONLy
Controller in Lights Only
Prb2
Probe 2 Fault
CASE OFF
Controller in Case Off
Prb3
Probe 3 Fault
Ot
Over Temperature Alarm
Prb4
Probe 4 Fault
Ut
Under Temperature Alarm
Prb5
Probe 5 Fault
door
Door Open Alarm
Prb6
Probe 6 Fault
TrAP
Person Trapped Alarm
rEC
Control State in Recovery
PLnt
Plant Fault
dEF
Control Sate in Defrost
LgOt
Log Probe Over Temperature
AL
Control State in Alarm
LgUt
Log Probe Under Temperature
Alarm text
Type # (index)
Alarm text
Type # (index)
Missed defrost
15
Product under temperature
9
Plant Fault
3
Person Trapped
1
Case over temperature
4
Monitor Probe OT
12
Case under temperature
5
Case Clean
29
Probe 1,2,3,4,5 or 6 Faulty
6
Remote evap temperature
6
Door Left Open
2
Transducer Fault
6
Product over temperature
8
Load Shedding
7