Revision 2.2 Page 7 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
Defrost duration, unless terminated by P-44
Defrost type, (Gas type keeps the Comp relay/s active).
A period after defrost to allow the draining of any surplus water
Recovery time after defrost, OT alarms are inhibited for this period
Fans remain off until this time has elapsed or fan delay temperature is reached
Fans on or off during defrost; if set to on, they go off at the drain down state and come on after the
fan delay
Fans stay off until this temperature is reached by the Air Off Probe or the fan delay time expires.
Off : Feature not used.
Case Off : Places controller in to Case Off Mode when Lights timer is in the off state.
Sec : Controller operates from a second offset (P-81) when the lights timer is in off period.
See Case Off/Secondary Setpoint
Secondary Offset associated to P-98.
See Case Off/Secondary Setpoint
local : Use the local schedule below. (P-61 - P-74)
Remote : Uses a front-end GP timer.
Sets all parameters to their default value
Setting-up
Access to the controller settings can be achieved several ways,
Through the display mounted buttons
Direct access by PC into the RS232 comms. port. This requires a software package available on the RDM website
Through the RDM Data Manager.
Across an IP network. (Current controller IP address required)
Viewing/Changing Menu Items
1. Press and hold "ENT" and "DOWN" for approx 3 seconds the display will read "EnT"
2. Press and release "ENT", the display will indicate "IO" This is the inputs and outputs viewing option
3. Use the "UP" or "DOWN" keys to cycle round the menu items, press enter at the desired item.
. Example: pressing enter at “PARA” will allow you to view or change parameters
Note. If menu item "ESC" is entered the controller will escape the set up and revert to normal operation
Menu Items
Displays the inputs and outputs
View and change parameters
Change the Units (Probe Type)
Enter an ID (For IP-L Use)
Change the network settings
Selects Hub/Switch (Mercury or ML)
View the software version
Inverts the operation of Relay 1
Escape back to normal operation
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