Connecting The Refrigerant Piping; About Connecting The Refrigerant Piping; Precautions When Connecting The Refrigerant Piping - Daikin VRV 5 REYA8A7Y1B Installer And User Manual

18.2 Connecting the refrigerant piping

18.2.1 About connecting the refrigerant piping

18.2.2 Precautions when connecting the refrigerant piping

REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P687640-1 – 2022.07
NOTICE
There are restrictions on the refrigerant pipe connection order between outdoor
units during installation in case of a multiple outdoor unit system. Install according to
following restrictions. The capacities of outdoor units A and B must fulfill the
following restriction conditions: A≥B.
A
a b
a To indoor units
b Outdoor unit multi connecting piping kit (first branch)
Before connecting the refrigerant piping, make sure the outdoor and indoor units
are mounted.
Connecting the refrigerant piping involves:
▪ Routing and connecting the refrigerant piping to the outdoor unit
▪ Protecting the outdoor unit against contamination
▪ Connecting the refrigerant piping to the indoor units (see the installation manual
of the indoor units)
▪ Connecting the multi-connection piping kit
▪ Connecting the refrigerant branching kit
▪ Keeping in mind the guidelines for:
- Brazing
- Using the stop valves
- Removing the pinched pipes
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
General safety precautions
▪
Preparation
DANGER: RISK OF BURNING/SCALDING
NOTICE
NEVER install a drier to this unit to guarantee its lifetime. The drying material may
dissolve and damage the system.
B
18 Piping installation
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Installer and user reference guide
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