HIdRos SRH Series, Техническое руководство, Страница: 38 / 64

SRH
Swimming Pools Dehumidifiers
MTSRHGB 38 REV.072008
REFRIGERANT CIRCUIT REPAIR
In the case that refrigerant circuit should be discharged, all the refrigerant must be recovered with proper machines. The
system must be charged with nitrogen, using a gas bottle with a pressure reducing valve, until 15 bar pressure is reached. Any
eventual leakage must be searched with a bubble leak finder. In case bubbles appear discharge the circuit before welding with
proper alloys.
appropriate.
WARNING: Never use oxygen instead of nitrogen: explosions may occur.
ENVIRONMENT PROTECTION
According to European norms dealing with the use of depleting stratospheric ozone substances, it is forbidden to release
refrigerants fluids in the atmosphere. They must be redelivered to the seller or to proper gathering points at the end of their
operating life. Refrigerant R407C is mentioned among controlled substances and for this reason it must be subjected to said norms.
A particular care is recommended during service operations in order to reduce as much as possible any refrigerant loss.
UNIT OUT OF SERVICE
Once the unit is arrived at the end of its life and needs to be removed or replaced, the following operations are recommended:
•
the unit refrigerant has to be recovered by trained people and sent to proper collecting centre;
•
compressor lubricating oil has to be recovered and sent to proper collecting centre;
•
the frame and various components, if not usable 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, reducing environmental impact.
TROUBLE SHOOTING
We list here the most common causes which can cause the arrest of the unit or at least an unusual performance.
The subdivision is made according to the symptoms which can be identified rather easily
ATTENTION: Concerning the possible actions, we suggest an extreme attention on the operations: an
excessive security may cause grave accidents to inexpert people. We suggest, once found the cause, to
ask for our intervention or the one of qualified technicians.
ATTENTION: The situation of alarm of the unit is shown by the red led and by the stop of the unit. The unit
will start to work again only after removing the cause of the arrest and after resetting the unit, switching
off and on the general switch. If the red led is still blinking, please contact our Company.