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3
WARNING!
Communication
RS485 to connect to Smartfreeze Unit (SFU) for remote
Monitoring and Control (option);
THE CONTROLLER IS SET BY SMARTFREEZE WITH THE FOLLOWING
Mini USB to upgrade firmware, to setting parameters
(in/out), to download temperature recording data, to upload
refrigerator bill (materials) and to record start up data.
User Password (Parameter PSU) = 0 (means NO password needed
Mechanical dimensions [mm], Panel cut-out and mounting
PASSWORDS:
to access the functions);
Service Password (Parameter PSU) = 5 (password will be required
by the controller to access the service menu).
4 - KEYBOARD DESCRIPTION
The keyboard is a touch pad with 4 keys.
*Terminal block for RS485 connection
5 - KEYS DESCRIPTION
71
MENU/ESC
by this key, from the operation
mode, the controller accesses Menu; from other levels
or when the controller displays a message or an
information string, it has the function of ESC.
OK KEY
it confirms the required action. During
the controller operation mode, without pressing MENU
key, it allows to display the current date and time.
3 - CONNECTIONS
UP/LIGHT KEY
in normal operation mode, it
enables the UP function, after the selection of MENU
for scrolling menu and submenu items. It increases the
SET POINT and/or parameters values. If it has been
scheduled OSP super parameter (for super
parameters details, see paragraph 13), the key,
pressed for 2 seconds, enables the function LIGHT
and allows to turn on (LIGHT ON message) and off the
light (LIGHT OFF message).
DOWN/INFO KEY
in normal operation mode, it
enables the DOWN function, after the selection of
MENU for scrolling by menu and submenus items. It
decreases the SET POINT and/or parameters values.
It enables INFO function, when it is pressed for 2
seconds, and enables the information string with the %
of operating compressor in the last hour, of the
evaporator and condenser temperatures (if enabled),
of the instantaneous consumption and, ultimately, of
the last temperature alarm data, if it happened (alarm
type, maximum temperature for high temperature
alarm and minimum temperature for low temperature
alarm, with date/ time of start event).
SMARTFREEZE
Vopos Manual ver 2.0- English