User guide

Revision 1.0 Page 16 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
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stay off.
Electric CIn – Defrost heater will go off during defrost min. period if defrost termination is achieved but will
then cycle on and off around the termination temperature setpoint until the end of the defrost min. period.
Gas (Mobile) - If gas is selected, the compressor is kept running for the duration of the defrost cycle.
P-80
Door alarm delay
Delay after the door open input is activated before the alarm occurs.
P-81
Door Closes Valve
This parameter is used to close the LLV or EEV if the door opens. If the door remains open then the valve
will resume normal operation on the expiry of the door alarm delay (P-80).
P-82
Door Stops Fan
This parameter is used to stop the fans if the door opens. If the door remains open then the fans will
resume normal operation on the expiry of the door alarm delay (P-80).
P-60
Lights Mode
Allows the user to set the lights mode: -
 Always off
 Always on
 Use a local schedule P-61 to P-74)
 Use a remote schedule (Set up in the system front end)
P-61
Sun Lights On
When P-60 is set to Local, Sunday on time
P-62
Sun Lights Off
When P-60 is set to Local, Sunday off time
P-63
Mon Lights On
When P-60 is set to Local, Monday on time
P-64
Mon Lights Off
When P-60 is set to Local, Monday off time
P-65
Tue Lights On
When P-60 is set to Local, Tuesday on time
P-66
Tue Lights Off
When P-60 is set to Local, Tuesday off time
P-67
Wed Lights On
When P-60 is set to Local, Wednesday on time
P-68
Wed Lights Off
When P-60 is set to Local, Wednesday off time
P-69
Thu Lights On
When P-60 is set to Local, Thursday on time
P-70
Thu Lights Off
When P-60 is set to Local, Thursday off time
P-71
Fri Lights On
When P-60 is set to Local, Friday on time
P-72
Fri Lights Off
When P-60 is set to Local, Friday off time
P-73
Sat Lights On
When P-60 is set to Local, Saturday on time
P-74
Sat Lights Off
When P-60 is set to Local, Saturday off time
P-30
Broadcast ID
ID of Plant Controller being used to broadcast Suction Pressure
The Broadcast ID is derived from the Rotary Switch positions set on the Plant controller which is providing
the remote suction pressure.
Note: No two Plant controllers on a local area network can have the same rotary switches positions set.
This will have adverse effects on control.
P-31
Refrigerant
Type of refrigerant used in system. See: Refrigerant Table above
P-32
Pressure Units
Absolute or Gauge
P-33
Evap Offset
Offset to allow for pressure drop over distance
P-34
Glide
Allows the calculated temperature, derived from the Suction Pressure, to be offset by adding the value at
P-34.
P-35
Trans Span
Total range of the transducer
P-36
Trans Offset
Value below zero
dFLt
Restore default values
Restores all of the parameters to their default values