Panasonic U-8ME1E8 Installation Instructions Manual page 7

3. Different tools required
3-1. Tool specifications have been changed due to the characteristics of R410A.
Some tools for R22- and R407C-type refrigerant systems cannot be used.
Item New tool?
Manifold gauge Yes
Charge hose Yes
Vacuum pump Yes
Leak detector Yes
Flaring oil Yes
* Using tools for R22 and R407C and new tools for R410A together can cause defects.
3-2. Use R410A exclusive cylinder only.
R407C tools
compatible
with R410A?
No Types of refrigerant, refrigerating machine oil,
and pressure gauge are different.
No To resist higher pressure, material must be
changed.
Yes Use a conventional vacuum pump if it is equipped
with a check valve. If it has no check valve,
purchase and attach a vacuum pump adapter.
No Leak detectors for CFC and HCFC that react to
chlorine do not function because R410A contains
no chlorine. Leak detectors for HFC134a can be
used for R410A.
No For systems that use R22, apply mineral oil
(Suniso oil) to the flare nuts on the tubing to
prevent refrigerant leakage. For machines that
use R407C or R410A, apply synthetic oil (ether
oil) to the flare nuts.
Remarks
Single-outlet valve
(with siphon tube)
Liquid refrigerant should be
recharged with the cylinder
standing on end as shown.
6
Manifold gauge
Vacuum pump
Outlet
Inlet
Valve
Liquid