HISEER AS10S/L, Operation Installation Maintenance Manual

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Do not un-weld or flame cut the refrigerant lines including any refrigerant circuit
components until the entire refrigerant (liquid and vapour) has been removed from
unit. Traces of vapour should be displaced with dry nitrogen.
Refrigerant in contact with an open flame will produces toxic gases.
Ensure that the necessary safety protection equipment is available when servicing.
Have the appropriate fire extinguishers for that system.
Do not siphon refrigerant.
Avoid spilling liquid refrigerant onto the skin or splashing it into the eyes. Use safety
goggles. Wash any spills from the skin with soap and water. If liquid refrigerant enters
the eyes, immediately and abundantly flush the eyes with water and consult medical
advice.
Note: Never apply an open flame or live stream to a refrigerant container. This can
dangerously overpressure and cause an explosion.
Compressor oil type :
3MA POE
The heating system must be pressure tested and air vented completely.
Filling water and supplemented water must be drinking water quality (colourless,
clear ,free from sediments)
Filling water and supplemented water must be pre-filtered. (pore size max. 5um)
Pre-Installation