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/
if pressed for more than 5 s, accesses
MUTE
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
LIGHT
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/
if pressed for more than 5 s, activates/
DEF
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
button for more than 1 second to display the set point;
set
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
Manual defrost
As well as the automatic defrost, a manual defrost can be started if the temperature conditions are right, by pressing the
for 5 seconds.
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
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 the
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
prg
and
15
Start-up
if pressed for more
than 5 s at start-up,
activates the procedure
for restoring the default
parameters
buttons respectively, until reaching the desired value;
buttons together for more than 5 s.
+050004105 rel. 0.0 del 27.07.05 - Preliminary version
Automatic address
assignment request
if pressed for more
than 1 s, starts the
automatic address
assignment0
procedure
Tab. 3.2.1
button