Johnson Controls York YCRE 040, Руководство пользователя

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11 DECOMMISSIONING. DISMANTLING
AND DISPOSAL
N e v e r r e l e a s e r e f r i g e r a n t t o t h e
a t m o s p h e r e w h e n e m p t y i n g t h e
refrigerating circuits. Suitable retrieval
equipment must be used. If reclaimed
refrigerant cannot be reused. It must be
returned to the manufacturer.
Never discard used compressor oil, as it
contains refrigerant in solution. Return
used oil to the oil manufacturer.
Unless otherwise indicated, the operations described
below can be performed by any properly trained
maintenance technician.
11.1 General
Isolate all sources of electrical supply to the unit
including any control system supplies switched by the
unit. Ensure that all points of isolation are secured in the
'OFF' position. The supply cables may then be
disconnected and removed. For connection points refer
to Section 4.
Remove all refrigerant from each system of the unit into
a suitable container using a refrigerant reclaim or
recovery unit. This refrigerant may then be re-used, if
appropriate, or returned to the manufacturer for
disposal. Under NO circumstances should refrigerant
be vented to atmosphere. Drain the oil from each
system into a suitable container and dispose of
according to local laws and regulations governing the
disposal of oily wastes. Any spilt oil should be mopped
up and similarly disposed of.
Isolate the unit heat exchangers from the external water
systems and drain the heat exchanger section of the
systems. If no isolation valves are installed it may be
necessary to drain the complete system.
If glycol or similar solutions have been
used in the water system, or chemical
additives are contained, the solution
MUST be disposed of in a suitable and safe
manner. Under NO circumstances should
any system containing glycol or similar
solutions be drained directly into domestic
waste or natural water systems.
After draining, the water pipework can be disconnected
and removed.
Units can generally be removed in one piece after
disconnection as above. Any mounting bolts should be
removed and then the unit should be lifted from position
using the points provided and equipment of adequate
lifting capacity.
Reference should be made to Section 4 for unit
installation instructions, Section 9 for unit weights and
Section 3 for handling.
Units which cannot be removed in one piece after
disconnection as above must be dismantled in position.
Special care should be taken regarding the weight and
handling of each component. Where possible units
should be dismantled in the reverse order of installation.
Residual refrigerant oil and glycol or
similar solutions may remain in some
parts of the system. These should be
mopped up and disposed of as described
above.
It is important to ensure that whilst components are
being removed the remaining parts are supported in a
safe manner.
Only use lifting equipment of adequate
capacity.
After removal from position the unit parts may be
disposed of according to local laws and regulations.
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035-21786-100 Rev. 1 (0909)