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Evacuating the indoor unit
The indoor unit is supplied with inert gas (nitrogen).
Before installing the unit, check if nitrogen gas flow out of indoor unit.
If this one isn't true, DO NOT INSTALL THE UNIT since leakage could be inside the indoor unit.
1. Unscrew the caps at the end of each pipe.
All inert gas exhausts from the indoor unit.
installation, do NOT remove the caps completely until you are ready to
connect the pipes.
may cause malfunction on the compressor.
for product installation.
Cutting or extending the pipe
The length of the pipe can be:
If you need a pipe longer than 24.6ft(7.5m):
1. Make sure that you have all the required tools (pipe cutter, reamer, flaring tool and pipe holder).
2. If you want to shorten the pipe, cut it using a pipe cutter, ensuring that the cut edge remains at 90° with the side of the
pipe (see below examples of correct and incorrect cut edges).
Pipe
cutter
Pipe
3. To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer.
AR7000 CV HP_IB&IM_DB68-05637A-00_EN.indd 45
Oblique
Rough
Burr
English-45
Unscrew the
Pipes
caps
2015/10/12 15:43:17
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