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Connectingtherefrigerantlines
15.4 Leakandpressuretesting
Carryouttheleakandpressuretestusingdrynitrogen.
Note:Certificateofcompetence
Thehandlingofrefrigerantandworkontherefrigerantcircuitmustbecarriedoutbyarefrigeration
engineerorothersuitablyqualifiedperson,suchasaheatingsysteminstallerwithacertificate
ofcompetence(topara5,section3oftheChemKlimaschutzV[orlocalregulations]inconjunction
with (EC) Regulation No. 303/2008 Category I).Applicable standards and regulations and
recognisedengineeringstandardsmustbeobserved.
Suitable personal protective equipment must be used when handling refrigerant.
Refrigerant R410A used in WOLF split heat pumps is an air-displacing, non-toxic gas.
Uncontrolled release of refrigerant may result in breathing difficulties and asphyxiation.
Observe the corresponding regulations and guidelinesfor handling this refrigerant.
Ensure adequate ventilation in enclosed spaces.
Observe the regulations and guidelines for handling R410A.
Direct contact with refrigerant can be harmful to skin.
Wear protective goggles and gloves.
Whenfillingtherefrigerantlines,addingrefrigerantordrawingitofffromthesystem,thewater
carryingsideoftheplateheatexchangerintheindoorunitmusthavewaterflowingthroughit
orbedrainedcompletely.Otherwise,theplateheatexchangermaybedamagedbyfreezingwater.
The installed refrigerant lines and all necessary connectors must have suitable thermal insulation.
Please
note