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Installation
Due to our policy of continuous product innovation, some specications may change without notication.
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Pipe Slope
Horizontal pipe slope cannot exceed 10° up or down, otherwise refrigerant will flow back towards the slave outdoor unit and the system may
not operate properly.
Figure 41: Allowable pipe slopes.
Do not install the outdoor units in such a way that oil could accumulate in the slave unit(s); if oil accumulates in the slave unit(s) the units may
not operate properly.
Figure 42: Improper pipe slopes.
Toward indoor unit
Toward indoor unit
Toward indoor unit
Toward indoor unit
Pipe Connections—Refrigerant Pipe Slopes for Separated Outdoor Units
REFRIGERANT PIPING DESIGN
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