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IM2021
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d) If vacuuming is not possible, create a collector so that the cooling agent can be removed from
various parts of the system.
e) Ensure that the cylinder is positioned on the scale before the procedure is performed.
f) Run the cooling agent pumping equipment and use it in accordance with the manufacturer's
instructions.
g) Do not overfill the cylinders (the liquid volume should not exceed 80%).
h) Do not exceed the maximum operating pressure of the cylinder, even temporarily.
i) After proper filling of the cylinders and completion of the process, make sure that the cylinders
and equipment are removed from the procedure site and that all shut-off valves on the
equipment are closed.
j) The extracted cooling agent shall not be refilled into another cooling system unless it has been
cleaned and checked.
17. Marking
The marking shall indicate that the equipment has been decommissioned and that cooling agent
has been emptied. The label shall contain date and signature. Ensure that the equipment
contains labels that denote that it contains a highly flammable cooling agent.
18. Cooling agent extraction
The staff shall have extensive experience in extraction of the cooling agent safely during
equipment maintenance or decommissioning.
When injecting the cooling agent into the cylinders, ensure the use of the appropriate cylinders.
Ensure that the required number of cylinders is available to store the total system charge. Make
sure that all the used cylinders are designed for the extracted cooling agent and have the
marking appropriate for this type of cooling agent (i.e. special cylinders for the cooling agent
extraction). The cylinders shall be equipped with a pressure relief valve and corresponding shut-
off valves in proper working condition. Empty cylinders shall be vacuumed and, if possible,
cooled prior to the start of the cooling agent pumping process.
The pumping equipment shall be in proper working condition; it shall have a set of necessary
instructions; and it shall be suitable for the extraction of flammable cooling agents.
In addition, a set of calibrated scales shall be available and shall be in proper working condition.
The hoses shall be complete with sealed disconnecting couplings and shall be in proper
condition.
Before using the device to pump out the cooling agent, make sure that it is in a satisfactory
working condition, and that all relevant electrical components are sealed to prevent fire in case
of cooling agent release. In case of any doubts, please contact the manufacturer.
The collected cooling agent shall be returned to the supplier of the cooling agent in a proper
container, with an appropriate waste material transfer invoice. Do not mix cooling agents in drain
installations and especially in cylinders.
In case of necessity to remove the compressors or compressor oils, make sure that they have
been pumped out to an acceptable level to ensure that no flammable cooling agent remains in
the oiling. The pumping process shall be carried out before returning the compressor to the
supplier. In order to speed up this process, use only electric heating of the compressor housing.
Handle the oil safely after its extraction from the system.
14. TROUBLE SHOOTING
Before contacting professional service, please review the trouble shooting list that includes
common occurrences that are not the result of a defect in workmanship or materials.
Problem
Possible Cause
Solution
Not working
No power supply
Connect to a functioning outlet and switch on
Summary of Contents for H-DH16-P82WF
Page 1: ...INSTRUCTION MANUAL ELECTRIC DEHUMIDIFIER H DH16 P82WF...
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