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CONTROL PANEL
MODIFICATION of the SET-POINT:
A Set-Point of XXX °C is set on the instrument but it can be modified as shown:
- by pressing for 1 second
the ST symbol will be displayed - release;
- by pressing for 1 second
the value of the programmed Set point appears, flashing;
- increase or decrease
and/or
until reaching the desired value;
- by pressing again
the value is recorded and the temperature reading is displayed.
HACCP FUNCTIONS
HACCP ALARMS:
- HA alarm:
Warns if the adjustment temperature is higher than a maximum temperature for a time greater than a set delay time.
The threshold value corresponds on the value set on the instrument for the high temperature alarm (SET+AH); the delay time corresponds to the
sum of set times with two parameters: parameter Ad and parameter tr.
- HF alarm:
Signals the lack of power supply for a length of time (more than a minute) with live temperature higher than the maximum envisioned temperature
(SET+AH).
In both cases the alarm code is displayed, together with the switching on of the led of the HACCP key and the activation of the alarm relay or
buzzer (if present).
RESET or CANCELLATION of the HACCP ALARMS:
When an HA or HF alarm is signalled it is possible to reset the signals or complete cancel the signals and recording of the status:
1 – to reset the buzzer and the deactivation of the alarm relay, if present, just press
for 1 second
HA o HF alarm codes remain displayed and the signalling using the switching on led of the HACCP key.
2 – By pressing
for 5 seconds complete cancellation of memorised alarms is achieved, also resetting the back illumination led of the key.
The same function can be obtained by zeroing the parameters in the terminals with three keys.
COMPRESSOR BLOCKING ALARMS:
I.C.C. (Intelligent Check Control)
- Cb alarm:
Indicates blocking of the compressor because of the maximum pressure switch or compressor circuit breaker.
- Reset or Cancellation of Cb alarm:
When a Cb alarm is signalled it is not possible to reset signals.
The alarm is automatically eliminated when the cause is removed:
1 - The pressure switch is automatically rearmed (when the condensation pressure decreases)
2 - The circuit breaker must be manually rearmed (see figure 001 )
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