16
|
Piping installation
Installer and user reference guide
75
LRYELRNUN5A7Y1
CO₂ Conveni-Pack outdoor unit
4P605460-1 – 2020.08
a
a
Copper packing
4
Add a new copper packing and mount the service port cap. Apply screw lock
agent or silicon sealant to the screw thread when mounting the service port
cap. If not, moisture and condensing water may penetrate and freeze
between the screw thread. As a result, refrigerant may leak and the valve cap
may break.
a
b
a
New copper packing
b
Screw lock agent or silicon sealant only on screw thread
5
Tighten the service port cap.
75].
16.2.5 Tightening torques
Stop valve size
(mm)
Tightening torque N•m (turn clockwise to close)
Shaft
Valve cap
Packing
pressure
Valve stem
Valve core cap
Ø15.9
38.2~46.6
7.4~9.0
13.2~16.0
14.2~17.2
Ø19.1
16.3 Connecting the refrigerant piping
16.3.1 About connecting the refrigerant piping
Before connecting the refrigerant piping
Make sure the outdoor and indoor units are mounted.