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About the units and options
Installer and user reference guide
51
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
Card on how to cut the spun pipe ends of the stop valve pipes
Text on card
Translation
To cut off the spun pipe ends
To cut off the spun pipe ends
When the product is shipped, a small
amount of refrigerant gas is kept inside
the product.
When the product is shipped, a small
amount of refrigerant gas is kept inside
the product.
This creates a positive pressure.
This creates a positive pressure.
For safety reasons, it is necessary to
release the refrigerant before cutting
the spun pipe ends.
For safety reasons, it is necessary to
release the refrigerant before cutting
the spun pipe ends.
Warning
Warning
Any gas or oil remaining inside the stop
valve may blow off the spun piping.
Any gas or oil remaining inside the stop
valve may blow off the spun piping
Failure to observe the instruction in
procedure above properly may result in
property damage or personal injury,
which may be serious depending on the
circumstances.
Failure to observe the instruction in
procedure above properly may result in
property damage or personal injury,
which may be serious depending on the
circumstances
Steps
Steps
Open stop valves CsV3 and CsV4.
Open stop valves CsV3 and CsV4.
Fully open service ports SP3, SP7 and
SP11 to release the refrigerant.
Fully open service ports SP3, SP7 and
SP11 to release the refrigerant
All refrigerant must be evacuated
before continuing.
All refrigerant must be evacuated
before continuing