![Daikin ZUWCM/DM Installation And Maintenance Manual Download Page 4](http://html1.mh-extra.com/html/daikin/zuwcm-dm/zuwcm-dm_installation-and-maintenance-manual_4224333004.webp)
Notes:
It’s forbidden to clean the pipe or pressure chiller with oxygen and compressed air.
Only refrigerant or dry nitrogen other than air is allowed to use for leakage test.
Walking on the chiller pipeline is prohibited in order to prevent pipeline damage and personal
injury caused by refrigerant leakage.
Please use Safety goggles to prevent the refrigerant liquid from splashing into eyes. Please clean
the skin with soapy water after it splashes on the skin. Please flush with water immediately and
consult a doctor if the refrigerant liquid splashes into eyes.
Inspect safety devices like safety valve carefully at least once a year. Inspect these devices more
frequently if the installation environment of chiller is corrosive. Replace safety valve if corrosion or
rust or grease stain is detected inside and outside of the valve body.
Do not allow an open flame or steam used for refrigerant cylinders, will lead to dangerous
overpressure or it will lead to overpressure hazards.
Do not use the obsolete steel cylinder or attempt to re-charge.