About Connecting The Refrigerant Piping; Precautions When Connecting The Refrigerant Piping - Daikin RXTJ30A2V1B Installer's Reference Manual

7.2.1 About connecting the refrigerant piping

7.2.2 Precautions when connecting the refrigerant piping

RXTJ-A_RXTA-C_RXTM-A_RXTP-A
R32 split series
4P728168-1 – 2023.03
Before connecting the refrigerant piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the refrigerant piping involves:
▪ Connecting the refrigerant piping to the indoor unit
▪ Connecting the refrigerant piping to the outdoor unit
▪ Insulating the refrigerant piping
▪ Keeping in mind the guidelines for:
- Pipe bending
- Flaring pipe ends
- Using the stop valves
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
"2 General safety
▪
"7.1 Preparing refrigerant
DANGER: RISK OF BURNING/SCALDING
NOTICE
▪
Use the flare nut fixed to the unit.
▪
To prevent gas leakage, apply refrigeration oil ONLY to the inside of the flare. Use
refrigeration oil for R32 (FW68DA).
▪
Do NOT reuse joints.
NOTICE
▪
Do NOT use mineral oil on flared part.
▪
Do NOT reuse piping from previous installations.
▪
NEVER install a drier to this R32 unit to guarantee its lifetime. The drying material
may dissolve and damage the system.
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precautions" [ 7]
piping" [ 4 31]
7 Piping installation
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Installer reference guide
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