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USER GUIDE
Parameter list (factory setting)
The following table shows parameter factory settings for
both Blast chillers units (GBC) and Shock Freezers (GBF).
NOTE: Select freezing cycle to run a normal
chilling cycle (Cabinet at 32°F [0°C],
needle probe end cycle temperature at
37.4°F [3°C]).
GBF-3GN2/3 and all GBF Trolley Units (Cycle Off Defrost)
System Diagnosis Guide
Parameter
P0
unit of temperature measurement
0 = °F
1 = °C
P1
cabinet probe offset
P2
evaporator probe offset
P3
needle probe offset
P4
operational setpoint during the second
hard chill step; also, operational setpoint
during normal chilling (with reference to
the cabinet probe)
P5
operational setpoint during freezing (with
reference to the cabinet probe)
P6
operational setpoint during the first hard
chill step (with reference to the cabinet
probe)
P7
operational setpoint during post-chill
storage (with reference to the cabinet
probe)
P8
operational setpoint during post-freeze
storage (with reference to the cabinet
probe)
P9
P4, P5, P6, P7, and P8 differential
P10
set temperature chill end temperature
(with reference to the needle probe)
P11
set temperature freeze end temperature
(with reference to the needle probe)
P12
temperature at which the hard chill
switches from the first step to the
second (with reference to the needle
probe)
P13
temperature above which it is not
possible to start a set-temperature
operational cycle (with reference to the
needle probe)
P14
needle probe and the cabinet
temperature for verification of correct
needle probe insertion
0 = the test will not be performed
P15
duration of the second test to check
correct needle probe insertion; see also
P14
P16
maximum set temperature chill duration;
also timed chill duration
P17
maximum set temperature freeze
duration; also timed freeze duration
P18
first hard timed chill step duration
P19
compressor delay from device power on
(from restoration of power)
P20
minimum elapsed time period between
two consecutive compressor start-up
operations
P21
minimum compressor shut-down time
P22
defrost type
0 = electric (defrost on relay)
1 = hot gas (defrost compressor and
relay on)
2 = air (evaporator fan on)
P23
defrost end temperature (with reference
to the evaporator probe)
P24
maximum defrost duration
48
Description
Factory
Value
1
0
0
0
0
-40
-20
3
-20
1
3
-18
20
99
0
60
90
240
45
0
0
0
2
8
10
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