EVCO EVF818P9 - Manual (Page 32)

EVCO S.p.A. EVF818 | Installer manual ver. 1.0 | Code 144F818E104
page 32 of 76
6.13 Pre-cooling start-up
Every operating cycle can be preceded by pre-cooling.
Operate as indicated to start pre-cooling:
1. Make sure the device is in the "on" status.
2. Make sure no procedures are in progress
3. Hold the BLAST CHILLING key down for 2 s: the LED will flash.
Operate as indicated to cut-off pre-cooling:
4. Hold the BLAST CHILLING key for 2 s or start an operating cycle.
Parameter r120 establishes the work set-point during pre-cooling.
When the cabinet temperature reaches that established with parameter r12, pre-cooling continues, the LED remains
on permanently and the buzzer is activated for 2 s.
6.14 Management of the test regarding correct insertion of
the needle probe
If the needle probe is enabled, i.e. the parameter P3 is set at values different to 0, the temperature-controlled cycles
are preceded by a test on two phases for the verification of the correct insertion of the needle probe.
The second phase is only performed if the first is not completed successfully.
The first phase is completed successfully if the "temperature detected by the needle probe - cabinet temperature"
difference is greater than the value established with parameter r17 in at least 3 controls out of 5 (the controls are
performed at 10 s intervals, consider the difference without sign).
The second phase is completed successfully if the "temperature detected by the needle probe - cabinet temperature"
difference is 1°C/1°F higher with respect to the previous control in at least 6 controls out of 8 (the controls are
performed at time intervals corresponding to 1/8 of the time established with parameter r18; consider the difference
without sign).
If the test is completed successfully, the cycle will be started; if the test is not completed successfully, the LED
will flash and the buzzer will be activated for 5 s every 60 s.
To start the temperature-controlled cycle, press the BLAST CHILLING key or the DEEP FREEZING key. After
1 min from the signal that the test has not been completed successfully without having operated, the cycle is started
with time control.
If parameter r17 is set at 0, the test will not be carried out (neither first nor second phase).
6.15 Switching on UV light for sterilisation cycle
Operate as follows:
1. Make sure that parameter u11 is set at 2.
2. Make sure the device is in the "on" status and that the door is closed, i.e. the door micro switch is not active.
3. Make sure that the keyboard is not locked and that no procedure is in progress.
4. Hold the DEEP FREEZING key down for 2 s: the AUX LED will switch on.
The UV light is switched on for the time period established by parameter u6; opening the door i.e. the activation of the
door micro switch cause the light to switch off.
If the UV light is on, it will not be allowed to select or start any operating cycle.
6.16 Needle probe heating
Operate as follows: