Keys and Functions User Interface • 3
3 User Interface
3.1. Keys and Functions
Table 3-1 lists the keys that are found on the front
panel of XM670-XM679 controllers and the function
of each:
Key Function
Press to display the target setpoint, to
select a parameter in programming mode,
or to confirm an operation. Pressing this
key for three (3) seconds while the
minimum or maximum temperature is
displayed will erase the temperature
currently displayed.
Press this key to browse the parameter
codes in programming mode or increases
the displayed value. Pressing this key for
three (3) seconds will give you access to
the Section menu.
Press this key to access the fast access
menu, browse the parameter codes in
programming mode, decrease the
displayed value, or activate or deactivate
an auxiliary output.
Starts a defrost when pressed for three (3)
seconds.
Switches the room light ON and OFF.
Press for three (3) seconds to switch the
device ON and OFF.
Measurement unit
Measurement unit
Measurement unit
Measurement unit
Key Combinations
Locks/Unlocks the keyboard
Switches mode to programming mode
Exits the programming mode
.
3.2. Use of LEDS
LED Mode Function
ON
Compressor and valve regulation
enabled.
To see the valve opening
percentage, enter the fast access
menu.
Flashing Anti-short cycle delay enabled
ON Defrost enabled
Flashing Drip time in progress
ON An alarm is occurring
ON Energy saving enabled
ON Fans enabled (fans are running)
Flashing Door opened or delay after defrost
ON Auxiliary relay ON
ON Measurement unit
Flashing Programming phase
ON
The controller is
working in
ALL mode
Flashing
The controller is
working in
remote virtual display mode
Flashing
During the CLOCK modification
(if clock is presen
t)
Each LED function is described in Table 3-2:
Figure 3-1 - XM670 - XM679 Front Panel
Table 3-1 - XM670
/XM679 Front Panel Keys and Functions
Table 3-2 - LEDs
Table 3-1 - XM670/XM679 Front Panel Keys and Functions
(Continued)
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