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

7.6.9 To connect the refrigerant piping to the indoor unit

7.7 Checking the refrigerant piping

7.7.1 About checking the refrigerant piping

CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
(a) Use the reducer accessory set from the accessory bag delivered with the indoor
unit.
1 Connect the liquid stop valve from the outdoor unit to the refrigerant liquid
connection of the indoor unit.
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.
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.
Before checking the refrigerant piping
Make sure the refrigerant piping is connected between the outdoor unit and the
indoor unit.
Typical workflow
Checking the refrigerant piping typically consists of the following stages:
1 Checking for leaks in the refrigerant piping.
2 Performing vacuum drying to remove all moisture, air or nitrogen from the
refrigerant piping.
a b
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Installer reference guide
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