Samsung EHS AE050RXYDEG/EU Manual page 184

10. Maintenance
CAUTION
• Inform user if system contains 3 kg or more of fluorinated greenhouse gases. In this case, it has to be
checked for leakage at least once every 12 months, according to regulation n°842/2006. This activity
has to be covered by qualified personnel only. In case situation above (3 kg or more of R32), installer (or
recognized person which has responsibility for final check) has to provide a maintenance book, with all
the information recorded according to REGULATION(EC) N° 842/2006 OF THE EUROPEAN PARLIAMENT
AND OF THE COUNCIL of 17 May 2006 on certain fluorinated greenhouse gases.
WARNING
• For the product that uses the R32 refrigerant, be cautious not to generate a spark by keeping the
following requirements:
– Do not remove the fuses with power on.
– Do not disconnect the power plug from the wall outlet with power on.
– It is recommended to locate the outlet in a high position. Place the cords so that they are not tangled.
Precautions on adding the R32 refrigerant
In addition to the conventional charging procedure, the following requirements shall be kept.
• Make sure that any contamination by other refrigerants does not occur when charging.
• To minimize the amount of refrigerant, keep the hoses and lines as short as possible.
• The cylinders shall be kept upright.
• Make sure that the refrigeration system is earthed before charging.
• Label the system after charging, if necessary.
• Extreme care is required not to overcharge the system.
• In case of repairs to the refrigerant circuit, the circuit must be pressure tested according f-gas regulations.
• After charging, check for leakage before commissioning.
• Be sure to check for leakage before leaving the work area.
• Perform the required administration of the added amounts of refrigerant to be compliant to F-gas regulations.
Installer reference guide / Mono tank integrated type 183