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Page 2 – Bulletin 100-50-6.3
turns off when power is removed. Through the digital input it is
also possible to turn off the controller remotely via software; in this
case the controller remains connected to the power supply and the
regulators are turned off.
2.2 The display
If the controller is turned on, during normal operation the display will
show the quantity you have set with parameter P5:
• if P5 = 0, the display will show the cabinet temperature
• if P5 = 1, the display will show the working setpoint
• if P5 = 2 or 3, the display will show "- - - -" (reserved)
• if P5 = 4, the display will show the temperature read by the auxiliary
probe (only if parameter P4 has value 1 or 2).
2.3 Showing the cabinet temperature
• make sure the keyboard is not locked and no procedure is running
• press and hold
for 2 seconds: the display will show the first avail-
able label
• press
or
to select "Pb1"
• press
To quit the procedure:
• press
or do not press any other buttons for 60 seconds
• press
or
as long as the display shows the quantity you have set
with parameter P5 or do not press any other buttons for 60 seconds.
2.4 Showing the temperature read by the auxiliary probe (only if
parameter P4 has value 1 or 2)
• make sure the keyboard is not locked and no procedure is running
• press and hold
for 2 seconds: the display will show the first avail-
able label
• press
or
to select "Pb3"
• press
To quit the procedure:
• press
or do not press any other buttons for 60 seconds
• press
or
as long as the display shows the quantity you have set
with parameter P5 or do not press any other buttons for 60 seconds.
If the function of the second input is not for an auxiliary probe
(parameter P4 = 0 or 3), the label "Pb3" will not be shown.
2.5 Activating the defrost by hand
• make sure the keyboard is not locked and no procedure is running
• press and hold
for 4 seconds.
If the function of the second input is set for an evaporator probe
(parameter P4 = 1) and the evaporator temperature is above the one
you have set with parameter d2, the defrost will not be activated.
2.6 Locking/unlocking the keyboard
To lock the keyboard:
• make sure no procedure is running
• press and hold
and
for 1 second.
If the keyboard is locked, you will not be allowed to:
• show the temperature read by the auxiliary probe
• activate defrost by hand
• modify the working setpoint with the procedure related in
paragraph 3.1 (also can modify the working setpoint through
parameter SP).
Attempting any of these operations will cause the display to show
for 2 seconds: the display will show "Loc"
"Loc" for 1 second.
To unlock the keyboard:
• press and hold
and
"UnL" for 1 second.
2.7 Silencing the alarm
• make sure no procedure is running
• press (do not hold) any button (pressing a button without holding it
will not initiate any functions of the controller).
3
SETTINGS
3.1 Setting the working setpoint
• make sure the keyboard is not locked and no procedure is running
• press
: LED
will flash
• press
or
within 15 seconds; also look at parameters r1, r2
and r3
• press
or do not press any other button for 15 seconds.
You also can modify the working setpoint through parameter SP.
3.2 Setting configuration parameters
To gain access to the procedure:
• make sure no procedure is running
• press and hold
and
• press
• press
or
within 15 seconds to set the display to "-19"
• press
or do not press any other button for 15 seconds
• press and hold
and
To select a parameter:
• press
or
To modify a parameter:
• press
• press
or
within 15 seconds
• press
or do not press any other button for 15 seconds.
To quit the procedure:
• press and hold
and
button for 60 seconds.
Switch off/on the power supply of the controller after the
modification of the parameters.
3.3 Restoring the default value of configuration parameters
• make sure no procedure is running
• press and hold
and
• press
• press
or
within 15 seconds to set the display to "743"
• press
or do not press any other button for 15 seconds
• press and hold
and
for 4 seconds: the display will show "dEF"
• press
• press
or
within 15 seconds to set the display to "149"
• press
or do not press any other buttons for 15 seconds: the
display will flash "dEF" for 4 seconds, after which the controller will
quit the procedure
• switch the controller off then back on after these procedures then
confirm that the default values have been reset.
Make sure the default value of the parameters is correct, in
particular note if the probes are PTC probes.
for 2 seconds: the display will show
for 4 seconds: the display will show "PA"
for 4 seconds: the display will show "SP" .
for 4 seconds or do not press any other
for 4 seconds: the display will show "PA"
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