BLOCKSYSTEM FS Pag. 26 Rev. 02 02/07
UK
7. 4
How to vary parameters
Blocksystem operation is governed by parameters that have been stored in the memory of the electronic
control unit by the manufacturer (see the parameters table). These factory settings should not be varied
unless strictly necessary and in all cases, such operations are only to be carried out by qualified staff.
Parameters are not only divided by function, they are also divided according to their security/accessibility
levels:
level 0 Setpoint parameters direct access (see paragraph 7.3)
level 1 frequently used parameters access without password (see paragraph 7.5)
Parameters can be varied as follows:
from the keyboard
via LAN network (Master/Slave)
via Supervision network
7. 5
How to vary level 1 parameters
hold down SET for 5 seconds until the display reads “reg” (adjustment parameters)
press UP or DOWN until the required menu appears on the display
press SET to access the menu; the code number for the first parameter in the selected menu will
appear
press UP or DOWN until the required parameter appears
press SET to view the value of the parameter
press UP or DOWN to set the required value
press SET to confirm the value and return to the parameters list; press ON/OFF to confirm the
value and return to the menu list
press ON/OFF to pass from the parameters list to the menu list
press ON/OFF again to exit the editing procedure,
If no key is pressed for more than 15 seconds, any value shown on the display will be stored in the
memory for the relevant parameter and there will be a forced exit from the parameters variation
procedure.
7. 6
Machine status display
press and release SET: the display will read “SEt” or “AAL” if there are any alarms in progress
press UP or DOWN until the required status is displayed
AAL alarms in progress (if present)
SEt setpoint
Pb1 coldroom temperature probe value
Pb2 evaporator temperature probe value
Pb3 probe 3 value (if present)
Out relay outputs status
InP digital inputs status
press SET to view the value
For alarm status, output status or input status, press UP or DOWN to scroll through the alarms in
progress, the outputs or the inputs,
press SET or ON/OFF (or wait for the 5-second timeout) to return to the status list
press ON/OFF (or wait for the 5-second timeout) to return to the normal display mode
.
Code Level Descr. Range Unit MBP LBP HBP
List of -PPS passwords
PPA
Parameters access password
Entering a pre-set password will give access to protected parameters
0 … 255 - - -
List of -rEG adjustment parameters
SEt
0 Setpoint LSE …HSE °C [°F] 2 -18 5
diF
1 Differential
temperature > setpoint + diff. -> adjustment On
temperature ≤ setpoint -> adjustment Off
0.1 … 50.0 °C [°F] 2 2 2
List of -Pro probe parameters
CA1
1 Probe 1 calibration 0 0 0
CA2
1 Probe 2 calibration 0 0 0
CA3
1 Probe 3 calibration
The value assigned to this parameter is
added to (positive value) or taken away
from (negative value) the temperature
detected by the probe
-20.0 … 20.0
°C [°F]
0 0 0
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