Read Before Installation - Haier AU122AEERA Installation Instructions Manual

Read Before Installation

Items to Be Checked
<1>. Verify the type of refrigerant used by the unit to be serviced.
<2>. Check the symptom exhibited by the unit to be serviced.
<3>. Be sure to carefully read the Safety cautions at the beginning of this document.
<4>. If there is a gas leak or if the remaining refrigerant is exposed to an open flame, a
noxious gas hydrofluoric acid may form. Keep workplace well ventilated.
Install new pipes immediately after removing old ones to keep moisture out of the
refrigerant circuit.
Chloride in some types of refrigerants such as R22 will cause the refrigerating
machine oil to deteriorate.
Necessary Tools and Materials
[Necessary tools for use with R410A(Adaptability of tools that are for use with R22 and
R407C)]
1. To be used exclusively with R410A ( Not to be used if used with R22 or R407C )
CAUTION!