Beretta 20171580, Руководство по установке

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3 | COMMISSIONING AND MAINTENANCE
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– to reposition them, proceed in reverse order
Keep the purifying filters sealed until their actual use.
Installing the purifying filters reduces the air flow and results in
lower performance. It is advised to use the device at the highest
speeds.
3.6
Extraordinary maintenance
Removal
In case of replacement or extraordinary reparations, you may need to
remove the unit.
Proceed as follows to remove the capacitors:
– carry out the evaporator emptying operation
The operation is detailed in the Installer booklet of the matching
outdoor unit.
– deactivate the unit with the remote control
– position the system's main switch in the "OFF" position.
– disconnect the cooling pipes
– disconnect the condensate discharge
– disconnect the electric connections
– push up and release the unit from its metallic support
– lift up the unit to remove it
3.7
Alarms
In the presence of operating abnormalities, the unit is secured and
blocked.
Safety block can occur randomly.
Wait for at least 10 minutes before restarting the unit.
If the fault occurs again, an accurate check of the device
components is required. Contact Technical Support
Service.
Faults are identified by a code on the unit display.
Indoor unit faults
Code Description Remarks
E1
Room probe fault
The unit resets after problem
resolution
E2
Exchanger probe fault
E4
Microprocessor malfunction
E7
Communication error between
indoor unit and outdoor unit
E14
Fan motor malfunction