EVCO EVFTFT818P7U Installer manual - Manual (Page 34)

EVCO S.p.A. EVFTFT818 | Installer manual ver. 2.1 | Code 144FTFT818E214
page 34 of 94
1. Make sure the device is in the "on" status.
2. Make sure that the keyboard is not locked and that no procedure is in progress.
3. Press and release the key (1), press and release the key (2) and then press and release the key (3)
and finally press and release the key (4): the device will display the deep freezing end temperature and the
work set-point during deep-freezing.
4.1 Press and release the MENU key and then press and release the key or the key to select the deep
freezing end temperature and the work set-point during deep freezing.
4.2 Press and release the key or the key to modify these values and then the ESCAPE key to memorise them;
these values can also be memorised through parameters r4 and r8.
5. Press and release the START/STOP key (1): the test to verify the correct insertion of the needle probe will be
started; see paragraph 6.14 " Test for verification of the correct insertion of the needle probe".
5.1 If the test is completed successfully, the cycle will be started.
The maximum deep freezing duration count is started on condition that the temperature detected by the
needle probe is below that established with parameter r15.
5.2 If the test is not completed successfully, the buzzer will be activated for 5 s every 60 s and the cycle will
be started with timed-control; see paragraph 6.9 "Time-controlled deep freezing and storage".
During deep freezing the device displays the temperature detected by the needle probe, the cabinet temperature, the
program name (if envisioned) and the time passed since the start of deep freezing.
Operate as indicated to stop the cycle:
6. Press and hold the START/STOP key 3 s.
The successive parameters establish the following values:
- parameter r4 establishes the deep freezing end temperature
- parameter r6 establishes the maximum deep freezing duration
- parameter r8 establishes the work set-point during deep freezing.