Daikin LREN8A7Y1B, Installer And User Manual

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13 | About the units and options
Installer and user reference guide
52
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
Text on card Translation
See Note. See Note.
Cut off the lower part of the gas and
liquid stop valve pipes along the black
line. Cut off the lower part of the gas and
liquid stop valve pipes along the black
line.
Always use appropriate tools, such as a
pipe cutter or pair of nippers. Always use appropriate tools, such as a
pipe cutter or pair of nippers
Warning Warning
NEVER remove the spun piping by
brazing. NEVER remove the spun piping by
brazing.
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.
Wait until the oil has dripped out of the
piping. Wait until the oil has dripped out of the
piping.
All oil must be evacuated before
continuing. All oil must be evacuated before
continuing.
Close stop valves CsV3 and CsV4 and
service ports SP3, SP7 and SP11. Close stop valves CsV3 and CsV4 and
service ports SP3, SP7 and SP11.
Connect the field piping to the cut
pipes. Connect the field piping to the cut
pipes.
Note: Note:
In case the outdoor unit is installed
indoors: install a pressure hose to
service ports SP3, SP7 and SP11. In case the outdoor unit is installed
indoors: install a pressure hose to
service ports SP3, SP7 and SP11.
Check that the hoses are properly fixed. Check that the hoses are properly fixed.
For more information, see "15.3.3 To cut off the spun pipe ends" [
4
85].
Card about the safety valve pipe installation
WARNING
The safety valve included in the
accessory bag must be installed
on this pipe.
EN
Text on the card Translation
Warning Warning
The safety valve included in the
accessory bag must be installed on this
pipe. The safety valve included in the
accessory bag must be installed on this
pipe.
For more information, see "To install safety valves" [
4
94].