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Param. DESCRIPTION RANGE M.U. AP1 AP2 AP3
SEt Temperature control SEtpoint. The SEtpoint is only visible in the "machine status" menu. LSE ... HSE °C/°F -18.0 -18.0 -23.0
COMPRESSOR (folder "CP")
dF1 diFferential. Compressor relay activation differential. NOTE: dF1 cannot be equal to 0. 0.1 ... 30.0 °C/°F 4.0 4.0 2.5
HSE
Maximum value that can be assigned to the setpoint.
NOTE: The two setpoints are interdependent: HSE cannot be less than LSE and vice versa.
LSE ... 320 °C/°F -5.0 -5.0 -15.0
LSE
Minimum value that can be assigned to the setpoint.
NOTE: The two setpoints are interdependent: LSE cannot be greater than HSE and vice versa.
-58.0 ... HSE °C/°F -35.0 -35.0 -30.0
Ont
Controller switch-on time in the event of faulty probe. If Ont = 1 and OFt = 0, the compressor stays on
permanently (ON); if Ont > 0 and OFt > 0, it operates in Duty Cycle mode.
0 ... 250 min 20 20 25
OFt
Controller switch-off time in the event of a faulty probe. If OFt = 1 and Ont = 0, the compressor stays off
permanently (OFF); if Ont > 0 and OFt > 0, it operates in Duty Cycle mode.
0 ... 250 min 5 5 5
dOn Compressor relay activation delay after request. 0 ... 250 secs 0 0 0
dOF Delay after switching off and subsequent switch-on. 0 ... 250 min 3 3 3
dbi Delay between two consecutive compressor switch-ons 0 ... 250 min 0 0 0
OdO
(!)
Delay in activating outputs after the instrument is switched on or after a power failure.
0 = not active
0 ... 250 min 0 0 0
CP2 Delay before activation of compressor step 2 0 ... 255 secs 5 5 5
DEFROST (folder "dEF")
dty
defrost type. Type of defrost.
0 = electric defrosting - compressor off (OFF) during defrosting
1 = reverse cycle defrost (hot gas) - compressor ON during defrosting
2 = Free: defrost independent of compressor
0/1/2 num 1 1 1
dit
Interval between the start of two consecutive defrost cycles.
0 = function disabled (defrost NEVER performed)
0 ... 250 hours 4 6 8
dCt
Selects the count mode for the defrost interval:
0 = compressor running hours (DIGIFROST® method); Defrost active ONLY when the compressor is on.
NOTE: compressor running hours are counted separately from the evaporator probe (count
active also when evaporator probe missing or faulty).
1 = appliance running time; 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
parameter dtY;
3 = not USED
0/1/2/3 num 1 1 1
dOH Defrost start delay time after request. 0 ... 59 min 0 0 0
dEt Defrost time-out; determines the maximum defrost duration 1 ... 250 min 30 20 45
dS1 Defrost end temperature (determined by probe Pb2). -67.0 ...320 °C/°F 8.0 60.0 15.0
dS2 Evaporator 2 defrost end temperature (determined by probe Pb3). -67.0 ...320 °C/°F 8.0 8.0 8.0
dPO
Determines if the device should switch to defrost at switch-on (depending on the evaporator
temperature read). n (0) = no, no defrost at switch-on; y (1) = yes, defrost at switch-on.
n/y num n n n
FAN REGULATOR (folder FAn) (NOTE: for these parameters, Evaporator means Evaporator 1)
FPt
Characterises parameter “FSt” which can be expressed either as an absolute temperature value or as a
value relative to the setpoint. 0 = absolute; 1 = relative.
0/1 flag 0 0 0
FSt
Fans stop temperature; if Pb2 > FSt, the fans are stopped. The value is either positive or negative and,
depending on parameter FPt, can be either the absolute temperature or the temperature relative to the setpoint.
-67.0 ...320 °C/°F 50.0 99.0 -50.0
FSS
Evaporator fans activation temperature differential.
• If FSS = 0, the differential is disabled.
• If FSS > 0, the regulator will be active in parallel with the temperature control regulator and the fans
output will be activated if at least one of the two regulators require it to be activated (output ON); it
will be deactivated if both regulators are switched off (output OFF).
With FSS > 0 temperature control of fans occurs based on the difference between the temperature of
the main control probe (ST1) and that of the evaporator (ST2). If ST1-ST2 > FSS with differential equal
to parameter FAd but with the opposite sign, fans switch-on will be forced.
0.0 ... 100.0 °C/°F 0.0 0.0 0.0
Fot
Fans start temperature; if the temperature on the evaporator is lower than the value set in this parameter, the
fans remain off. The value is either positive or negative and, depending on parameter FPt, can be either the
absolute temperature or the temperature relative to the setpoint.
-67.0 ... 320 °C/°F -20.0
FAd Fans activation intervention differential (see par. “FSt”). 1.0 ... 50.0 °C/°F 2.0 2.0 2.0
Fdt Fans activation delay after a defrost cycle. 0 ... 250 min 0 0 0
dt drainage time. Coil drainage time. 0 ... 250 min 3 0 0
dFd Allows exclusion of the evaporator fans to be selected or not during defrosting. n (0) = no; y (1) = yes. n/y flag y n y
FCO
Evaporator fans operating mode. The state of the fans will be:
DAY NIGHT
H42 FCO
COMPRESSOR
ON
COMPRESSOR
OFF
COMPRESSOR
ON
COMPRESSOR
OFF
H42 = y
0
Thermostat controlled OFF Thermostat controlled OFF
1
Thermostat controlled Thermostat controlled Thermostat controlled Thermostat controlled
2
Thermostat controlled Duty Cycle Day Thermostat controlled Duty Cycle Night
3
Duty Cycle Day Duty Cycle Day Duty Cycle Night Duty Cycle Night
H42 = n
0
ON OFF ON OFF
1
ON Duty Cycle Day ON Duty Cycle Night
2
ON Duty Cycle Day ON Duty Cycle Night
3
Duty Cycle Day Duty Cycle Day Duty Cycle Night Duty Cycle Night
Duty cycle Day: controlled by means of parameters “Fon” and “FoF”.
Duty cycle Night: controlled by means of parameters “Fnn” and “FnF”.
0/1/2/3 num 0 1 0
"INSTALLER" MENU PARAMETERS table
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