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Table 2 – commands descriptions.
SIMBOL
DESCRIPTION
Green “COMPRESSOR” LED
OFF: The compressor is off
LIT: The compressor is operating.
BLINKING: The switch on request is pending (delays or protective devices activated)
Green “FANS” LED
OFF: The fans are off
LIT: The fans are operating
BLINKING: The switch on request is pending (delays or protective devices activated)
Green “DEFROSTING” LED
OFF: Defrosting is not activated
LIT: Defrosting is in progress
BLINKING: Manual defrosting is in progress; a defrosting request is pending (delays or protective devices
activated); network synchronised (master/slave) defrosting
Yellow “ALARM LED”
OFF: No alarm is in progress
LIT: A serious alarm is in progress (and alarm relay activated)
BLINKING: A non-serious alarm is in progress or a serious alarm has been silenced (alarm relay deactivated)
“SETPOINT” key + “SETPOINT/REDUCED SET” green LED
LIT: The setpoint is displayed
BLINKING: The reduced set is activated
ENTER” key: This is used to set the setpoint, to access the programming menu, and to view the machine status (if
held down for 1 second); to enter the programming mode, this key must be held down for 5 seconds.
“UP” key: This is used to command manual defrosting (if held down for more than 5 seconds) as well as to
increase the value of the parameter being displayed and to scroll forwards through the menu list.
“ON/OFF” key: This is used as a manual on-off control, to confirm a parameter value and it also allows you to
return to the previous menu. To switch the machine on or off, hold this key down for more than 5 seconds.
“DOWN” key: This is used to command the lights manually (if held down for 1 second); it also decreases the
value of the parameter being displayed and scrolls back through the menu list.
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3.1 Safety General Information
3.1.1 Engineering Criteria
For the machine design, the principles and concepts introduced in the relevant paragraphs of the norms indicated in
Table 3
were
implemented.
Table 3 – Main norms used in the machine design.
NORM
TITLE
UNI EN ISO
12100-1: 2009
Safety of the machinery - Key concepts, general engineering principles - Part 1: Base terminology,
methodology
UNI EN ISO
12100-2:
2009
Safety of the machinery - Key concepts, general engineering principles - Part 2: Technical principles
UNI EN ISO
14121-1: 2007
Safety of the machinery - Evaluation of the risks - Part 1: principles
UNI EN ISO
13857: 2008
Safety of the machinery - Safety distances to prevent upper and lower limbs from reaching dangerous
areas
UNI EN
953: 2009
Safety of the machinery - Guards - General requisites for the engineering and the construction of the
fixed and mobile guards
CEI EN
60204-1: 2006
Machinery safety – Electrical equipment on the machine - Part 1: General rules:
CEI EN
60335-1:
2008
Safety of the electrical equipment intended for domestic use and other similar equipment - Part 1:
General norms
The compliance of the paragraphs to the aforementioned norms has enabled risks to be eliminated or reduced as much as
possible, both during normal functioning and during regulation and maintenance operations, for the entire lifecycle of the
machine.
The components used were carefully chosen among those available on the market and the materials composing the machine
(and the machine accessory tools) present no risks to personal health and safety. All the parts provided by third parties are CE
marked (when planned) and comply with the relevant reference directives. All the details were closely controlled in compliance
with the qualitative standards prescribed by the laws in force.
