FRIULINOX ALI GROUP S.R.L. A SOCIO UNICO
82
Translation of the original instructions
Via Treviso 4, 33083 Taiedo di Chions (PN) - Italy
Service
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If the equipment has already been repaired and recharged with gas, empty the system and charge
according to the shown values
→
see “rating plate”
If the evaporation pressure matches the condensation pressure, usually between 4 and
6BAR, there is a fault on the compressor valve plate
Replace the compressor and its liquid filter
→
see “Compressor replacement”
Load the system with the correct amount of refrigerant
→
see “rating plate”
Once the system has been loaded, make sure it works properly
→
see “installation check list/functional testing”
Failure of the compressor valve plate is often a symptom of liquid returns from the evaporator
Make sure that the evaporator fans work properly
Inform the Customer to always run the defrosting cycle after using the equipment
5.
For the three-
phase models, check the operation of the “V1” solenoid valve
→
see wiring diagram
→
see “Specific electronic card connections”
Check that the “V1” solenoid valve activates respecting the Conf84 time
If the card supplies power but the solenoid valve does not open, replace the coil
If there is no power supply from the electronic card, terminals 15|16, with
cooling cycle started, replace the electronic card
The same check can be carried out by directly checking the potential free contact on the
electronic card that manages the solenoid valve, terminals 15|16 -> see wiring diagram
Position the multimeter leads between terminals 15|16
If reading with the cycle started is 230V, it means that the contact is open
→
replace the electronic card