Installation guide

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
Revision 2.7 Page 55 of 83
Mercury Plant Controller Installation Guide
Configuration of inputs and outputs:
Status Inputs
Section Inputs can be set up as: -
0
Unused
Input is not used
1
Compressor Normally Open
When selected “Make” to generate Compressor Fault
2
Compressor Normally Closed
When selected “Break” to generate Compressor Fault
3
Condenser Normally Open
When selected “Make” to generate Condenser Fault
4
Condenser Normally Closed
When selected “Break” to generate Condenser Fault
5
General Normally Open
When selected “Make” to generate General Fault
6
General Normally Closed
When selected “Break” to generate General Fault
7
Standby 1 Normally Open
When selected “Make” to place Section 1 into standby and generate Standby
alarm.
8
Standby 1 Normally Closed
When selected “Break” to place Section 1 into standby and generate
Standby alarm.
9
Standby 2 Normally Open
When selected “Make” to place Section 2 into standby and generate Standby
alarm.
10
Standby 2 Normally Closed
When selected “Break” to place Section 2 into standby and generate
Standby alarm.
11
Run 1 Normally Open
When selected “Break” to use Sect 1 Ext Target (P473) OR “Rem Ext 1”
See note : Ext Target
12
Run 1 Normally Closed
When selected “Make” input to use Sect 1 Ext Target (P473) OR “Rem Ext 1”
See note : Ext Target
13
Run 2 Normally Open
When selected “Break” input to use Sect 2 Ext Target (P474) OR “Rem Ext
2” See Note : Ext Target
14
Run 2 Normally Closed
When selected “Make” input to use Sect 2 Ext Target (P474) OR “Rem Ext 2”
See note : Ext Target
15
INV N/O
When selected “Break” to signal Inverter Run. See Note : INV Bypass
16
INV N/C
When selected “Make” to signal Inverter Run. See Note : INV Bypass
For the above any alarms will be generated after the Status Fault Delay (P-60) has timed out. Note Standby Alarm
follows the General Fault Delay (P-60)