installing the unit
_33
ENGLISH
Oil balancing
pipe
Install the oil balancing pipe without T-joint
when connecting 2 outdoor units.
Pipe
To other outdoor unit
To the other outdoor
joint or outdoor unit
T-joint (Field supply)
Pipe
To the other
outdoor joint or
outdoor unit
<Oil balancing pipe>
<T-joint for oil balancing>
Note
Keep in mind that T-joint must be installed horizontally to have best oil return to each
compressor.
• Use the provided installation pattern when installing the MCU.
• Use a welding curtain to prevent the unit to get damaged from a welding fire or flame
when the welding for a high pressure gas pipe & low pressure gas pipe is made.
• Wrap the high pressure gas pipe & low pressure gas pipe with wet cloth when
brazing it.
CAUTION
Installing MCU
Connecting the pipe
Model
MCU-Y6NEE
MCU-Y4NEE
MCU-Y4NEE1
The exterior of MCU
Number of connectable
indoor units
Up to 6 units
Up to 4 units
Up to 2 units
Only for large capacity
duct (20.0kW
)
The maximum capacity
of the connectable indoor
units
44.8kW
44.8kW
44.8kW
Internal EEV
Not included
Cannot connect indoor unit without internal EEV.
Low pressure gas pipe connection (Brazing)
High pressure gas pipe connection (Brazing)
Liquid pipe connection (Flare)
Pipe connection from outdoor unit
Pipe connection to indoor unit
Gas pipe (Flare)
Liquid pipe(Flare)
Protect with
wet towel when
brazing
70mm
70mm
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2011-10-25 오후 2:57:54