ID 983-985 LX (/C /CK) HACCP
6/12
PAR.
diF
HSE
LSE
OSP
Cit
CAt
Ont (1)
OFt (1)
dOn
dOF
dbi
OdO (!)
dty
dit
dt1
dt2
dCt
“dd” (6)
“Fd” (6)
dOH
dEt
dSt
dE2
dS2
dPO
tcd
Cod
FPt
FSt
DESCRIPTION
COMPRESSOR CONTROLLER (folder with “CP” label)
diFferential. Compressor relay intervention differential; the compressor stops when the
Set point value is reached (as indicated by the control probe), and restarts at tempera-
ture value equal to the Set point plus the value of the differential.
Note: cannot be 0.
Higher SEt. Maximum possible set point value.
Lower SEt. Minimum possible set point value.
Offset SetPoint. Temperature value to be added algebraically to the set point if reduced
set enabled (Economy function). It can be enabled using a specially configured button.
Compressor min on time. Minimum compressor activation time before disabling. If set at
0 it is not active.
Compressor mAx on time. Maximum compressor activation time before disabling. If set at
0 it is not active.
COMPRESSOR PROTECTIONS (folder with “CP” label)
On time (compressor). Compressor activation time in the event of a faulty probe. If set to
“1” with Oft at “0” the controller is always on whereas if Oft >0 it operates in duty cycle
mode.
See Duty Cycle diagram
OFF time (compressor). Compressor in disabled state time in the event of a faulty probe.
If set to “1” with Oft at “0” the controller is always off whereas if Oft >0 it operates in
duty cycle mode.
See Duty Cycle diagram
delay (at) On compressor. Delay in activating compressor relay after switch-on of instrument.
delay (after power) OFF. Delay after switch off; the indicated time must elapse between
switch-off of the compressor relay and the subsequent switch-on.
delay between power-on. Delay between switch-ons; the indicated time must elapse
between two subsequent switch-ons of the compressor.
delay Output (from power) On. Delay time in activating outputs after switch-on of the
instrument or after a power failure. 0= not active.
DEFROSTING CONTROLLER (folder with “dEF” label) (6)
defrost type. Type of defrost.
0 = electrical defrosting;
1 = cycle reversing defrosting (hot gas);
2 = Free mode defrosting (compressor disabled).
defrost interval time. Period of time elapsing between the start of two defrosting operations.
0= function disabled (defrost is NEVER performed)
defrost time 1. Unit of measurement for defrost times (“dit” parameter).
0 = “dit” parameter expressed in hours.
1 = “dit” parameter expressed in minutes.
2 = “dit” parameter expressed in seconds.
defrost time 2. Unit of measurement for duration of defrosting (“dEt” parameter).
0 = “dEt” parameter expressed in hours.
1 = “dEt” parameter expressed in minutes.
2 = “dEt” parameter expressed in seconds.
defrost Counting type. Selection of defrosting time count mode.
0 = compressor operating hours (DIGIFROST® method); Defrosting active ONLY with
compressor on.
NOTE: compressor time of operation is counted irrespective of evaporator probe (count-
ing is active if evaporator probe is absent or faulty). The value is ignored if RTC is
enabled.
1 = equipment operating hours; defrost counting is always active when the machine is on
and starts at each power-on.
2 = compressor stop. Every time the compressor stops, a defrost cycle is performed
according to the parameter dtY
3= With RTC. Defrosting at times set by dE1…dE8, F1…F8
dE1…dE8 parameters daily defrost start time 1…8. Range 0…23, 24= off (default)
F1…F8 festive defrost start time 1…8. Range 0…23, 24= off (default)
CAUTION: The d1…d8, F1…F8 parameters are only visible if dit=0, dCt=3 with clock
option present. They are included in the dd and Fd folders
defrost Offset Hour. Start of defrost delay time from start-up of instrument.
defrost Endurance time. Defrosting time-out; determines maximum duration of defrost-
ing.
defrost Stop temperature. End of defrosting temperature (determined by evaporator
probe).
defrost Endurance time 2nd evaporator. Defrosting time-out on 2nd evaporator; deter-
mines maximum duration of defrosting on 2
nd
evaporator.
defrost Stop temperature 2nd evaporator. End of defrosting temperature (determined by
probe on 2nd evaporator).
defrost (at) Power On. Determines if the instrument must start defrosting at start-up (if
the temperature measured by the evaporator allows this) y = yes, starts defrost at start-
up; n = no, does not start defrost at start-up.
time compressor for defrost. Minimum time for compressor ON or OFF before defrost If
>0 (positive value) the compressor remains ACTIVE for tcd minutes; If<0 (negative value)
the compressor remains INACTIVE for tcd minutes; If =0 the parameter is ignored.
Compressor off (before defrost). Time for compressor OFF before defrost cycle. If a
defrost cycle is set within the programmed time for this parameter, the compressor is not
started up. If =0 function is stopped.
FAN CONTROLLER (folder with “FAn” label) PLEASE NOTE: this parameter group
always refers to the 1st evaporator
Fan Parameter type. Characterizes the “FSt” parameter that can be expressed as an
absolute temperature value or as a value related to the Set point.
0 = absolute; 1 = relative.
Fan Stop temperature. Fan stop temperature; a value read by the evaporator probe that
is higher than the set value causes the fans to stop. The value is positive or negative and,
depending on the FPt parameter, could represent the temperature in absolute value or
relative to Set point.
Tab. 1
Table of parameters
DEFAULT
2.0
50.0
-50.0
0
0
0
0
1
0
0
0
0
0
6h
0
1
1
24
24
0
30min
8.0
30min
8.0
n
10
0
0
2.0
RANGE
0.1...30.0
LSE..302
-55.0...HSE
-30.0...30.0
0...250
0...250
0...250
0...250
0...250
0...250
0...250
0...250
0/1/2
0...250
0/1/2
0/1/2
0/1/2/3
(0=df,
digifrost
1=rt, real
time,
2=SC, stop
compressor
3=RTC)
0...23/0...59
0...23/0...59
0...59
1...250
-50.0... 150
1...250
-50.0... 150
n/y
0...250
-31...31
0/1
-50.0..150.0
VALUE*
LEVEL**
1
1
1
2
2
2
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
2
2
2
1
U.M.
°C/°F
°C/°F
°C/°F
°C/°F
min
min
min
min
sec
min
min
min
num
hours/min/sec
(see dt1)
num
num
num
hours/min
hours/min
min
hours/min/sec
(see dt2)
°C/°F
hours/min/sec
(see dt2)
°C/°F
flag
hours/min/sec
min
min
°C/°F
**PLEASE NOTE: At level 1 the folders will only display all the level 1 parameters.
At level 2 the folders will only display all the level 2 parameters (in bold type).
