RHOSS Compact-Y SM TCAEY 122 P0 Instrucciones De Uso página 36

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II.10.2
SPECIAL MAINTENANCE
II.10.2.1 Component replacement instructions
If a unit requires repair, drain the refrigerant from both the high and low-
pressure sides and in the liquid line. This is because, if the coolant is
only drained from the high pressure side, the compressor springs may
close together, thereby preventing the pressure from equalising. In this
way, the low pressure part of the casing and the inlet line could remain
pressurised. In this case, if you apply a brazing torch to one of the low-
pressure components of the system, the pressurised mixture of
refrigerant and oil could blow out of the circuit and ignite on contact with
the brazing torch. To avoid this hazard, make sure that both the high
and low pressure sides of the circuit have actually been drained before
applying brazing torches.
II.10.2.2 Topping up the refrigerant
Rapidly filling with refrigerant on the inlet side of a single-phase system
may prevent the compressor from starting or cause a breakage. The
best way to avoid this situation is to charge both sides, high and low
pressure, simultaneously. Topping up units with R410A refrigerant
(R32/R125) must be carried out in the liquid phase, piping it from a
cylinder so as not to alter its composition.
DANGER!
The safety valve is calibrated to 41.7 bar. It could
cut in if the calibration valve is reached during the
refrigerant charging operations, causing a burst
that could cause scalding.
II.11 INSTRUCTIONS FOR DISMANTLING THE UNIT
AND DISPOSING OF HAZARDOUS
SUBSTANCES
ENVIRONMENTAL PROTECTION!
has always been aware of the importance
RHOSS
of protecting the environment. When the unit is
dismantled, it is important to adhere scrupulously
to the following procedures.
The unit should only be dismantled by a firm authorized for the disposal
of scrap machinery/products.
The unit as a whole is composed of materials which can be treated as
SRM (secondary raw materials) and the following conditions must be
observed:
 the compressor oil must be removed, recovered and delivered to a
body authorized to collect waste oil;
 if the appliance contains antifreeze, this should not just be disposed
of freely, as it causes pollution. It should be collected for possible
recycling.
 refrigerant fluid should not be discharged into the atmosphere. It
should instead be recovered by means of homologated devices, stored
in suitable cylinders and delivered to a company authorised for the
collection;
 the filter-drier and electronic components (electrolytic condensers)
are considered special waste, and must be delivered to a body
authorized to collect such items;
 the foamed polyurethane rubber and foamed polyethylene mesh
pipe insulation, the foamed polyurethane (which surrounds the storage
tank), the shrink-wrap, the polystyrene packaging and the sound-
absorbent sponge lining on the bodywork must be removed and
processed as urban refuse.
This symbol means that this product must not be disposed of
with household waste. Properly dispose of the unit according to local
laws and regulations. When the unit reaches the end of its useful life,
contact the local authorities for information on disposal and recycling, or
ask Rhoss S.p.A. to collect the used equipment free of charge.
Separate collection and recycling of the product at the time of disposal
will help conserve natural resources and ensure that the unit is
recycled properly to safeguard human health and the environment.
Inside the electronic device there are lithium batteries. Dispose in
compliance with the national or local legislation in force in your
country.
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Compact-Y SM
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