Pagina 24 di 48
STDITR01ADP2090EV TECNOFRIGO TUSCANY srl
First start-up
Preliminary checks
CAUTION! The installation and initial start-up of the unit must only be carried out by
authorized personnel.
CAUTION! The power supply is constantly present in the general switch of the unit. Risk of
electric shock.
For the first start-up, perform the following checks:
1. Make sure the power switch electrically isolates the dehumidifier and the isolator is in the OFF
position.
2. Open the panels of the dryer and make sure there are no foreign objects inside and in the electrical
cabinet.
3. Ensure that the flow control dampers are fully open and that the pipes are clean and unobstructed
by objects.
4. Check the filters and check that they are clean.
5. Make sure that the fan impellers can move freely.
6. Ensure that the fuses are properly sized.
7. Electrically connect the dehumidifier to the electricity grid through the general switch and switch the
main switch ON and check for the voltage at the terminal L, N or L1, L2, L3 of the dehumidifier.
8. Verify that the power supply has the correct phase sequence, using the control unit inside the power
cabinet. The yellow LED must be switched on. If the yellow LED is off, change the general power
phases (See image below).
9. The dehumidifier is ready to be used.
10. Start the dehumidifier and control the flow rate of the process and reactivation air. Check the flow
rates on their respective sides of the air delivery. If it is requested, adjust the air flow through a
damper installed on the flow of dry and moist air, or act on the adjustment of the frequency
converter.
11. If it is requested, verify the performance of the dehumidifier by measuring the quality of the dry air
produced on the output of the dehumidifier and compare the values with ones reported on p. 23.
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