Press SET key or wait 5 seconds to have room temperature displayed.
ATTEN TI ON
24 hours after starting check evaporator state. I f ice has form ed, defrost frequency should
be increased. I n low tem perature units the evaporator condition should be checked every
w eek during the first month of operation.
10.
W iring
A wiring diagram, specific for the units of the AS series, is enclosed with these use and
maintenance instructions.
11.
Maintenance and repairs
Suitable maintenance is crucial for obtaining longer life, perfect working conditions and high
efficiency of the unit as well as for ensuring the safety features provided by the manufacturer.
12
Routine maintenance
Good operation of the unit requires the condenser to be cleaned periodically (frequency of
cleaning depends on the environment where the unit is installed).
Turn off the unit and clean it by blowing air from the inside outwards. Should no air jet be
available, use a long-haired brush and work on the outside of the condenser.
In case of water-cooled condensers have the unit cleaned by a plumber with special descaling
agents.
W AR NI NG
Use safety gloves to protect your hands from possible cuts.
W AR NI NG
Disconnect the unit before working on it.
12.1
Periodical maintenance
Periodically check wear condition of electrical contacts and remote switches; if necessary
replace them.
12.2 Service operations to be carried out by qualified technicians or by the manufacturer
Following operations shall be carried out by qualified technicians or by the manufacturer
exclusively. Under no circumstances the user is allowed to:
Setting room temperature:
•
Connect the unit to the mains. OFF is displayed.
Press SET key. The green led lights up and the previously set temperature is
•
displayed.
•
To change this value press following keys:
UP to increase temperature
•
DOWN to decrease temperature
•
replace electrical components
•
work on the electric equipment
•
•
repair mechanical parts
work on the refrigerating system
•
work on the control panel, ON/OFF and emergency switches
•
work on protection and safety devices.
•
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