How To Move A Parameter From The Hidden Menu And Vice Versa; How To Assign Amodbus Address; How To Lock The Keyboard; T Ounlock The Keyboard - Emerson XR75CX Installation And Operation Manual

onds (the °C or °F LED starts blinking).
2. Immediately release the keys, then push the
SET + DOWN arrow keys again for more
than seven (7) seconds. The Pr2 label will be
displayed immediately followed by the Hy
parameter: You are now in the Hidden Menu.
3. Select the required parameter.
4. Press the SET key to display its value.
5. Use the UP or DOWN arrows to change its
value.
6. Press SET to store the new value and move to
the following parameter.
To exit: Press SET + UP arrow or wait 15 seconds
without pressing a key.
NOTE: If no parameter is present in Pr1, after
three (3) seconds the noP message is displayed.
Keep the keys pressed until the Pr2 message is
displayed.
NOTE: The set value is stored even when the
time-out expires and ends the procedure.
6.6.2. How to Move a Parameter
from the Hidden Menu and
Vice Versa
Each parameter present in the Hidden Menu can
be removed or put into "The First Level" (user level)
by pressing SET + DOWN arrow. In the Hidden
Menu when a parameter is present in the First Level,
the decimal point is visible.
6.7. How to Assign a
MODBUS Address
1. Follow steps 1 and 2 of Section 6.6.1., How
to Enter the Hidden Menu to access the Hid-
den Menu.
2. Select the Adr parameter.
3. Press SET to select.
4. Choose the address number using the arrow
keys and press SET again to save.
5. Press SET and UP arrow keys to exit.
How to Assign a MODBUS Address
6.8. How to Lock the
Keyboard
1. Keep the UP + DOWN arrow keys pressed
for more than 3 seconds.
2. The PoF message will be displayed and the
keyboard will be locked. At this point it will
be possible to see the setpoint or the MAX or
Min temperature stored only.
3. If a key is pressed for more than 3 seconds the
PoF message will be displayed.
6.9. To Unlock the
Keyboard
Press the UP and DOWN arrow keys together for
more than 3 seconds until the Pon message displays.

6.10. The Continuous Cycle

When a defrost is not in progress, it can be activat-
ed by pressing and holding the UP arrow key for
about 3 seconds. The compressor operates to maintain
the CCS setpoint for the time set through the CCt pa-
rameter. The cycle can be terminated before the end
of the set time using the same UP arrow for 3 seconds.

6.11. The ON/OFF Function

When onF = oFF, push the ON/OFF key
to switch OFF the controller. The OFF
message is displayed. In this configura-
tion, the regulation is disabled.
To switch the controller ON, push the ON/OFF
key again.
WARNING! Loads connected to the normally
closed contacts of the relays are always sup-
plied and under voltage (powered up), even if
the device is in stand-by mode.
Main Functions • 7