Carel MasterCella Hoja De Instrucciones página 12

3.2 Buttons on the keypad
Icon Button
Pressing the button alone
HACCP enters the menu to display and delete of
the HACCP alarms
ON/OFF if pressed for more than 5 s, switches the
unit on/off
PRG/MUTE if pressed for more than 5 s, accesses the
menu for setting the type "F" parameters
(Frequent)
In the event of alarms: mutes the audible
alarm (buzzer) and deactivates the
alarm relay
UP/CC if pressed for more than 5 s, activates/
deactivates the continuous cycle
LUCE if pressed for more than 1 s, activates/
deactivates auxiliary output 2
AUX if pressed for more than 1 s, activates
deactivates auxiliary output 1
DOWN/DEF if pressed for more than 5 s, activates/
deactivates a manual defrost
SET if pressed for more than 1 s, displays
and/or sets the set point
Setting the set point (desired temperature value)
To display or set the set point, proceed as follows:
1) press the set button for more than 1 second to display the set point;
2) increase or decrease the value of the set point with the
3) press the set button again to confi rm the new value.
Resetting alarms with manual reset
All the alarms with manual reset can be reset by pressing the prg and
Manual defrost
As well as the automatic defrost, a manual defrost can be started if the temperature conditions are right, by pressing the button
ON/OFF button
Pressing the button for 5 seconds switches the unit on/off. When the controller is off it is in standby mode, therefore before performing maintenance on
the unit, power must be disconnected.
HACCP function
MasterCella is compliant with the HACCP standards, as it monitors the temperature of the food stored. Alarm "HA"= maximum threshold exceeded: in
addition, up to three HA events are saved (HA, HA1, HA2), respectively from the most recent (HA) to the oldest (HA2), with a signal HAn that displays the
number of HA events that have occurred. Alarm "HF"= power failure for more than 1 minute and maximum threshold AH exceeded: up to three HF events
are saved (HF, HF1, HF2), respectively from the most recent (HF) to the oldest (HF2), with a signal HFn that displays the number of HF events that have
occurred. Setting the HA/HF alarm: parameter AH (high temp. threshold); Ad and Htd (Ad + Htd = HACCP alarm delay).
Displaying the details
1) When pressing the HACCP button for more than one second, the display shows the name of the fi rst parameter relating to the HA and HF alarms;
2) Use the and buttons to scroll the parameters relating to the HA and HF alarms;
3) Once having reached the desired parameter, press set to display the value;
4) If the selected parameter is HA or HF, press the
HF activated.
Normal operation
Pressing together with other buttons
• if pressed for more than 5s together with the SET
button, accesses the menu for setting the type "C"
parameters (Confi guration) or downloading the
parameters.
• if pressed for more than 5s together with the
UP/CC button, resets any alarms with manual reset
• if pressed for more than 5s together with the
SET button, starts the report printing procedure
(function available but management to be
implemented)
• if pressed for more than 5s together with the
PRG/MUTE button, resets any alarms with manual
reset
• if pressed for more than 5s together with the
PRG/MUTE button, accesses the menu for setting
type "C" parameters (Confi guration) or
downloading the parameters
• if pressed for more than 5s together with
the UP/CC button, starts the report printing
procedure (function available but management to
be implemented)
and buttons respectively, until reaching the desired value;
buttons together for more than 5 s.
and buttons to display the year, month, day, hour, minute and duration of the last alarm HA or
4
Startup Automatic address
assignment request
if pressed for more if pressed for more
than 5 s at start-up, than 1 s, starts the
activates the procedure automatic address
for restoring the default assignment
parameters procedure
for 5 seconds.
+050004105 rel. 1.1 del 17.11.05
Tab. 3.b