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Step Through Menu
The user has the option to step through the diagnostic and manual control menu. Pressing the right
top button (Function Select) for 5 seconds will activate this feature. The buzzer will sound once and
the display will advance to the next function. To exit this mode, the user must press the Function
Select button for 5 seconds before the buzzer will sound and the display will revert to the (default)
space temperature value. The Step Through Menu will select the following functions:
Menu 1 - Change-over display
The top left function digits displays CO to indicate the supply air (changeover)
temperature is being displayed. If no supply air sensor is connected the display
will indicate zero. Press the Function Select button to advance to the next display.
Menu 2 - Remote temperature display
The top left function displays r to indicate the remote (wall-stat) temperature is
being displayed. This temperature is displayed regardless of temperature selection
for control purposes. Press the Function Select button to advance to the next
display.
Menu 3 - Real time clock function
The watch icon will switch on to indicate the RTC function is selected. The current
time, hh:mm will show. The top left function displays dx, with x being any digit
between 1 and 7 to indicate the current day of the week. Monday is displayed as
day 1. To edit the RTC, press the enter button and the minute display will flash.
Select the current minute value with the up or down buttons. Press enter again
and select the current hour. Enter again and select the current day. Pressing enter
again will now exit the RTC edit function. The RTC facilitates the back-off control
function for energy conservation. The back-off function is activated through the
MLM Application by setting the SP2 value during commissioning. Press the
Function Select button to exit this function and advance to the next display.
Further Information
As previously mentioned further menu functions are available if activated using the MLM software.
If these appear please refer to the Extended Rickard Wall Stat Manual for further information.
Part No.: INST-RICKWS
08/12
Page 4 of 5
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