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10 SERVICE AND LIMITED WARRANTY
All units are factory-tested and guaranteed for 12 months as of the first start -up or 18 months as of delivery.
These units have been developed and constructed according to high quality standards ensuring years of failure -free
operation. It is important, however, to ensure proper and periodical maintenance in accordance with all the procedures
listed in this manual and with good practice of machines maintenance.
We strongly advise stipulating a maintenance contract with a service authorized by the manufacturer in order to ensure
efficient and problem-free service, thanks to the expertise and experience of our personnel.
It must also be taken into consideration that the unit requires maintenance also during the warranty period.
It must be borne in mind that operating the unit in an inappropriate manner, beyond its operating limits or not performing
proper maintenance according to this manual can void the warranty.
Observe the following points in particular, in order to conform to warranty limits:
1. The unit cannot function beyond the specified limits
2. The electrical power supply must be within the voltage limits and without voltage harmonics or su dden changes.
3. The three-phase power supply must not have un unbalance between phases exceeding 3%. The unit must stay turned
off until the electrical problem has been solved.
4. No safety device, either mechanical, electrical or electronic must be disabled or overridden.
5. The water used for filling the water circuit must be clean and suitably treated. A mechanical filter must be installed at
the point closest to the evaporator inlet.
6. Unless there is a specific agreement at the time of ordering, the evaporator water flow rate must never be above 120%
and below 50% of the nominal flow rate.
11 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT
The units are included in category II
→ III of the classification established by the European Directive 2014/68/EU (PED).
For chillers belonging to this category, some local regulations require a periodic inspection by an authorized agency. Please
check with your local requirements.
12 DISPOSAL
The unit is made of metal, plastic and electronic parts. All of these components must be disposed of in accordance with
local disposal laws and if in scope with the national laws implementing the Directive 2012/19/EU (RAEE).
Lead batteries must be collected and sent to specific waste collection centers.
Avoid the escape of refrigerant gases into the environment by using suitable pressure vessels and tools for transferring
the fluids under pressure. This operation must be carried out by competent personnel in refrigeration systems and in
compliance with the laws in force in the country of installation.
