To Connect The Refrigerant Piping To The Indoor Unit; Checking The Refrigerant Piping; About Checking The Refrigerant Piping - Daikin Altherma 3 R F Installer's Reference Manual

8 | Piping installation

8.2.9 To connect the refrigerant piping to the indoor unit

8.3 Checking the refrigerant piping

8.3.1 About checking the refrigerant piping

Installer reference guide
92
c
a Liquid stop valve
b Gas stop valve
c Service port
2 Connect the gas refrigerant connection from the indoor unit to the gas stop
valve of the outdoor unit.
NOTICE
It is recommended that the refrigerant piping between indoor and outdoor unit is
installed in a ducting or the refrigerant piping is wrapped with finishing tape.
1 Connect the liquid stop valve from the outdoor unit to the refrigerant liquid
connection of the indoor unit.
a b
a Refrigerant liquid connection
b Refrigerant gas connection
2 Connect the gas stop valve from the outdoor unit to the refrigerant gas
connection of the indoor unit.
NOTICE
It is recommended that the refrigerant piping between indoor and outdoor unit is
installed in a ducting or the refrigerant piping is wrapped with finishing tape.
INFORMATION
When the indoor unit is installed in a place with limited space, an optional pipe bend
(EKHVTC) kit can be installed to facilitate the connection to the refrigerant gas and
liquid connections of the indoor unit. For installation instructions, see the instruction
sheet of the pipe bend kit.
The outdoor unit's internal refrigerant piping has been factory tested for leaks. You
only have to check the outdoor unit's external refrigerant piping.
a
b
ERGA04~08EA + EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629090-1A – 2021.11