OM 1280-2 • MICROTECH UNIT CONTROLLER 6 www.DaikinApplied.com
Local User Interface (LUI) Keypad
The MicroTech Local User Interface (LUI) is a self-contained
device that is capable of complete, stand-alone operation. The
UVC must be loaded with Application 01.02 or higher for proper
LUI operation. Consult OM 732 for details. Control parameters
and the network are accessible through the LUI keypad. The
following sections describe how to use the keypad.
Display Format
The LUI features a 4 × 20 OLED digital display, 6 keys, and
2 individual LED indicators. In addition to the operating mode
states and fan functions, the LUI will digitally display:
• The room setpoint temperature
• The current room temperature
• Any fault code for quick diagnostics at the unit
Figure 1: Local User Interface (LUI)
Using the LUI Keypad
The LUI shown in Figure 1 is optional on Daikin Applied Unit
Ventilators provided with MicroTech controls. Using the keypad
on the LUI, operating conditions, system alarms, and control
parameters can be monitored. Setpoints and other parameters
NOTE: The shared LUI keypad and network variables have a
“last change-wins” relationship.
Keypad Functions
Button Functionality
• Home: Brings the user back to the home menu screen
• On/Stop: Toggles the On/Stop command to the main
controller board
•
items. Alternatively, this button increases a parameter
value when in the parameter adjustment screen
•
items. Alternatively, this button decreases a parameter
value when in the parameter adjustment screen
• Back: Takes the user back to the previous menu. If
current menu is the “Home” menu, then pressing this
button will go to the “Live” screen. Further presses of this
button will do nothing
• Enter: Commits the user’s choice. If the user is
navigating the menu structure, this button processes
the selection and either displays to the appropriate
referenced menu or displays the appropriate parameter to
be changed. If the user is currently making a change to a
parameter, pressing this button will “commit” the change
and send the new value to the main controller board with
the “Set Parameter” command
LEDs
• STATUS (Green)
— Green LED ON = Unit is run enabled.
— Green LED OFF = Unit is in the OFF Mode.
NOTE: Unit is still powered in the OFF Mode.
• ALARMS:
— Red LED ON = The unit is in an active alarm state.
These are listed by accessing the “
Active Alarms” on
the LUI
— Red LED OFF = No active alarms.
Keypad Navigation
Help Text
Pressing ‘Enter’ on any non-menu point will bring you to the
‘Help Text’ that provides a more extensive description.
Writable Points
A ‘*’ before any non-menu points indicates that the value of that
point can be changed through the keypad by pressing ‘Enter’
on that point, assuming that the correct level of password has
been entered.
‘TXT’ Values
A value of ‘TXT’ for any non-menu point indicates that pressing
‘Enter’ when the cursor is on that point will bring up a text
description of the present value of that point, such as the full
text description of an alarm
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