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II.13.11 Instructions on how to drain the cooling circuit
In order to drain the cooling circuit completely by means of type-appro-
ved devices, drain the refrigerant from both the high and low-pressure
sides and in the liquid line. Use the load connections in every section of
the circuit. In order to drain the refrigerant fluid completely all the circuit
lines must be drained. The fluid must not be discharged into the atmo-
sphere as it causes pollution. It should be recovered in suitable cylinders
and delivered to a company authorised for the collection.
II.13.12 Eliminating circuit humidity
If during the operation of the machine there is evidence of humidity in the
refrigerant circuits, it is essential to drain the circuit completely of refrige-
rant and eliminate the cause of the problem. To remove all the humidity,
the operator must dry out the circuit by evacuating it to 70 Pa, and then
proceed to recharge it with the gas charge indicated in the plate located
on the unit.
II.14 Dismantling the unit
SAFEGUARD THE ENVIRONMENT
Dispose of the packaging materials in compliance with the national or
local legislation in force in your country. Do not leave the packaging
within reach of children.
It is advisable that the dismantling of the unit is performed by a company
authorised to collect obsolete products and machinery.
The unit as a whole is composed of materials considered as secondary raw
materials and the following conditions must be observed:
• the compressor oil must be removed. It must be recovered and delivered
to a body authorised to collect waste oil;
• refrigerant gas may not be discharged into the atmosphere. It should in-
stead 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 are considered special waste,
and must be delivered to a body authorised to collect such items;
• the foamed polyurethane rubber insulation material of the water exchan-
gers must be removed and processed as urban waste.
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
HITECSA 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.
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