15
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Piping installation
Installer and user reference guide
87
LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 – 2022.08
2
Remove the knockout in the small front plate of the outdoor unit and, if
applicable, the one of the capacity up unit. For more information, see
"16.3 Guidelines when knocking out knockout holes"
a
b
d
c
c
3
Cut off the spun pipe ends. See
"15.3.3 To cut off the spun pipe ends"
85].
4
Connect the accessory gas and liquid pipes for front connection to the
outdoor unit.
a
b
A
B
A
Stop valve (gas)
B
Stop valve (liquid)
a
Gas pipe (accessory)
b
Liquid pipe (accessory)
5
Connect the accessory pipes to the field piping and if applicable, to the
capacity up unit.
Side connection
NOTICE
Protect the unit from damage during brazing.
