Reset of THI, TLO, CND recordings
With button or select the data to be reset
Display the value with button
While keeping button pressed, use button .
Standby
When pressing the button for 3 seconds, will allow the controller to be put on a standby or output control to
be resumed (with SB = YES only). When on Standby will be displayed.
Selection of second parameter group
It is possible to select control parameters between two different pre-programmed groups, in order for the
fundamental control parameters to be adapted to changing needs. Changeover from Group I to Group II (and
visa versa) may take place Manually by pressing for 2 seconds (with IISM = MAN), or Automatically when
heavy duty conditions are detected (with IISM = HDD), or when IISM =D12 and the Auxiliary Input D12 is
activated (the activation of D12 selects Group II). If IISM = NON, switchover to Group II is inhibited. The
activation of Group II is signalled by the lighting up of relevant LED on the controller display.
Defrost
Automatic Defrost.
Defrost starts automatically as soon as the time set with parameter DFT has elapsed.
Time Defrost With DFM = TIM defrost takes place at regular intervals when the timer reaches the value
DFT. For example, with DFM = TIM and DFT = 06, a defrost will take place every 6 hours.
Defrost time count backup At the power–up, if DFB = YES, the defrost timer resumes the time count
from where it was left off before the power interruption. Visa versa with DFB=NO, the time count re-
starts from 0. In stand-by the accumulated time count is frozen.
Defrost type
Once defrost has started, compressor and defrost outputs are controlled according to parameter DTY. If FID
=YES, the evaporator fans are active during defrost.
Resuming Thermostatic Cycle
When defrost is over, if DRN is greater then 0, all outputs will remain off the DRN minutes, in order for the ice to
melt completely and the resulting water to drain.
Manual Defrost
To initiate a manual defrost press and hold the defrost button for 2 seconds.
Fuzzy Logic.
This setting is not available with any of these units.
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