20
ENG
ir33plus +0300028EN rel. 1.1 - 05.05.2017
Defrost
To activate a defrost, the defrost probe must measure a temperature less
than the end defrost temperature (par. dP1).
ACTIVATION: press for 5 seconds:
ir33+
DEF
ir33+ wide / Easy wide
After 5 seconds, the display shows the start defrost signal (dFb) for 3 s.
The controller enters defrost mode, with the corresponding icon shown
on the display, together with the message “dEF” if set accordingly by
parameter d6. The defrost relay is also activated.
Par. Description Def Min Max UoM
d6 Terminal display during defrost0 = Tempera-
ture alternating with dEF1 = Display disabled2
= dEF
102-
Tab. 3.i
Example: defrost activation on ir33+.
DEACTIVATION: press for 5 seconds:
ir33+
DEF
ir33+ wide / Easy wide
After 5 seconds, the display shows the end defrost signal (dFE). The
controller exits defrost mode, returning to the standard display.
Example: defrost deactivation on ir33+.
On/O
To switch the controller o from the keypad:
• press On-O for 3 seconds.
The display shows the text O ashing for 3 seconds, and then on steady.
Finally, the text O alternates with the standard display. Any active output
relays are deactivated.
To switch the controller on from the keypad:
• press On-O for 1 s.
The display shows the text On for 1 s and then returns to the standard
display. Any output relays are activated again.
Continuous cycle
For the explanation of the continuous cycle function, see chapter 6.
To activate the continuous cycle, the value of parameter cc must be >0.
ACTIVATION: press the button
or combination of buttons
for 5 seconds
ir33+
+
ir33+ wide Easy wide
The message “cc” ashes on the display for 3 seconds, and subsequently,
if the conditions are suitable, the controller shows the start continuous
cycle message “ccb” and the corresponding icon on the display.
ir33+ wide,
ir33+ wide small
easy wide, easy
wide small
aux
prg
mute
aux
prg
mute
aux
prg
mute
aux
prg
mute
aux
prg
mute
aux
prg
mute
prg
mute
aux
prg
mute
aux
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