How To Order Spare Parts; How To Dispose Of The Packing; How To Dispose Of The Unit - Zanotti CU Serie Manual De Uso

- excessive temperature in the room where the unit is installed
- unit used in unsuitable conditions or with inappropriate products.
d) Low pressure switch - automatic reset
This device is activated every time the unit stops when reaching the right temperature.
It can also be triggered in case of excessively low pressures compared with the set values. This can be due to:
- lack of gas due to tube breakage or loosened unions
- clogged filters
- broken solenoid valve
- ice in the evaporator
Min. and max. pressure switches are placed in motor room. Before resetting, disconnect mains switch.
e) Thermistors - automatic reset
Placed in compressor winding, they protect the motor from overheating (see wiring diagram).
f) Condenser fan speed variator (optional)
Electronic system to control condenser fan speed.
In case of troubles:
- disconnect mains switch
- open the electric panel
- put "speed variator" switch (in electric panel) in manual position (1)
- close the electric panel and have the unit operate regularly.
- replace speed variator as soon as possible
- after replacement, put speed variator switch in "automatic" position (0) .

13 HOW TO ORDER SPARE PARTS

When ordering spare parts make reference to the number written on the unit plate.
WARNING
Worn parts should be replaced only by qualified personnel or by the manufacturer.

14 HOW TO DISPOSE OF THE PACKING

Wooden, plastic, polystyrene packing shall be disposed of according to the regulations in force in the

15 HOW TO DISPOSE OF THE UNIT

Do not discharge scrapped components in the environment. They should be disposed of by companies
WARNING
Do not discharge the refrigerant in the atmosphere. It should be disposed of by
companies dealing with special waste collection and recovery.
country where the unit is used.
dealing with special waste collection and recovery, according to the regulations in force
in the country where the unit is used.
28