HTW A3 Serie Manual De Usuario E Instalacion página 41

• Evacuate the refrigerant circuit.
• Purge the refrigerant circuit with nitrogen for 5 min.
• Evacuate again.
• Fill with nitrogen up to atmospheric pressure.
• Place a label on the equipment that removes the refrigerant.
d) Elimination
- Make sure there is sufficient ventilation in the workplace.
- Eliminate the refrigerant. If recovery is not required by national regulations, drain the refrigerant
outside. Take care that the drained coolant does not cause any danger. In case of doubt, one person
should guard the exit. Be especially careful that the drained coolant does not float back into the
building.
- Evacuate the refrigerant circuit.
- Purge the refrigerant circuit with nitrogen for 5 minutes.
- Evacuate again.
- Disconnect the compressor and drain the oil.
Transport, marking and storage of units that use flammable refrigerants
Transportation of equipment containing flammable refrigerants
Special attention must be paid to the fact that there may be additional transport regulations regarding
appliances containing flammable gas. The maximum number of equipment or the configuration
allowed to be transported together will be determined by the applicable transport regulations.
Equipment marking by signs
Signs for similar appliances used in a work area are generally addressed in local regulations.
and give the minimum requirements for the provision of safety and/or health signs for a work
location.
All required signs must be maintained and employers must ensure that employees receive adequate
and sufficient instruction and training on the meaning of the appropriate safety signs and the actions
to be taken in relation to these signs.
The effectiveness of the signs should not be diminished by too many signs being placed together.
Any pictogram used should be as simple as possible and contain only essential details.
Disposal of equipment using flammable refrigerants
See national regulations.
Equipment/Appliance Storage
Storage of equipment must be done in accordance with the manufacturer's instructions.
Storage of packaged equipment (unsold)
The protection of storage packages must be constructed in such a way that mechanical damage to
the equipment inside the package does not cause a leakage of the refrigerant charge.
The maximum number of devices that are allowed to be stored together will be determined by local
regulations.
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