UNICA
Sanitary water heat pump
30
12.1
ENVIRONMENTAL PROTECTION
According to the norms dealing with the use of depleting stratospheric ozone substances, it is forbidden to release refrigerants
fluids in the atmosphere. They have to be collected and delivered to the seller or to proper gathering points at the end of their
operating life. Refrigerant R134A is mentioned among controlled substances and for this reason it has to be subjected to the
mentioned norms.
A particular care is recommended during service operations in order to reduce as much as possible any
refrigerant loss.
This equipment contains R134a refrigerant in the amount as stated in the specification. Do not vent R134a into
the atmosphere: R134a, is a fluorinated greenhouse gas with a Global Warming Potential (GWP) = 1300.
It should only be serviced or dismantled by professional trained personnel.
13
TROUBLESHOOTING
This section provides useful information for diagnosing and correcting certain troubles which may occur. Before starting the
troubleshooting procedure, carry out a thorough visual inspection of the unit and look for obvious defects such as loose
connections or defective wiring.
Before contacting your local dealer, read this chapter carefully, it will save you time and money.
When carrying out an inspection on the electrical box of the unit, always make sure that the main switch of the
unit is switched ‘off’.
The guidelines below might help to solve your problem. If you cannot solve the problem, consult your installer/local dealer.
No image on the controller (blank display). Check if the main power is still connected.
One of the error codes appears, consult your local dealer.
The scheduled timer does work but the programmed actions are executed at the wrong time (e.g. 1 hour too late or too
early). Check if the clock and the day of the week are set correctly, adjust if necessary.
14
WHEN THE UNIT GOES OUT OF SERVICE
Once the unit is arrived at the end of its life cycle and needs to be removed or replaced, the following operations are
recommended:
• the refrigerant has to be recovered by trained people and sent to proper collecting centre;
• compressors’ lubricating oil has to be collected and sent to proper collecting centre;
• the frame and the various components, if not serviceable any longer, have to be dismantled and divided according to their
nature, particularly copper and aluminium, which are present in conspicuous quantity in the unit.
These operations allow easy material recover and recycling process, thus reducing the environmental impact.
15
DISPOSAL REQUIREMENTS
Dismantling of the unit, treatment of the refrigerant, of oil and of other parts must be done in accordance with relevant local and
national legislation.
Your product is marked with this symbol. This means that electrical and electronic products shall not be mixed with
unsorted household waste.
Do not try to dismantle the system yourself: the dismantling of the system, treatment of the refrigerant, of oil and
other parts must be done by a qualified installer in accordance with relevant local and national legislation.
Units must be treated at a specialized treatment facility for re-use, recycling and recovery. By ensuring that this product is
disposed off correctly, you will help to prevent potential negative consequences for the environment and human health. Please
contact the installer or local authority for more information.
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