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EN | Blast chillers | User and maintenance manual

6.4 REGULATIONS

Compressor
The compressor can be active only in START function when the room probe has no error.
If the presence of door is on (PI=I), the door must be closed to permit the starting of the compressor only
if P6=0. With P6=0 the compressor is active even if the door is open and with arrested fan. The compressor
starts according to the SET POINT on, corresponding to the selected cycle and according to the differential of
temperature set (Parameter P8).
The protection time for the compressor are:
P9: minimum delay that must exist between the switching off and the next starting up of the compressor.
This parameter is used also like reset of the card.
P10: minimum delay that must exist between 2 consecutive starting ups of the compressor.
Manual defrosting
The defrosting is carried out with open door, without the use of neither the heater nor the hot gas.
Parameters
Pressing contemporarily Up
At this point on the display appears the number itself of the parameter (P0). Pressing the SET
possible to see the value of the parameter itself and modify it.
The keys Up
when the value of the parameter is on, they modify it.
0
Permit to enter into the conservation function; the buzzer rings for 60 sec.
1
Door present 0=door absent; 1=door present
2
Fan during the process 0=together with the compressor 1=always on
3
Permit to enter the core probe function
4
Permit to enter the negative process
5
Permit to enter the defrosting
6
Stopping functions when the door is open 0=compressor+fans; 1=fans
7
Confi guration RL2 0=defrosting: I=fan+defrosting
8
Hysteresis of regulation
9
Protection of the compressor Off/On (also valid as reset)
10
Protection of the compressor On/On
11
Defrosting duration
12
Dripping duration
13
Core probe for the positive process
14
Core probe for the negative process
15
Room probe for the positive process
16
Room probe for the negative process
17
Room probe for the positive conservation process
18
Room probe for the negative conservation process
19
Positive time process duration
20
Negative time process duration
42
and Down
and Down
, when the parameter setting is on, allow to pass to the next/former parameter;
Description
to enter the parameter setting for at least 4 sec.
Min
Max
Def.
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
0
0
1
1
0
1
1
1
20
3
0
99
2
0
99
3
0
99
10
0
99
3
-50
99
3
-50
99
-18
-50
99
-2
-50
99
-40
-50
99
0
-50
99
-25
0
599
90
0
599
270
key, it is
Unit
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°C
min
min
min
min
°C
°C
°C
°C
°C
°C
Min
Min

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