Multi F MAX LMU541HV Submittal

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Multi F MAX Outdoor Unit Refrigerant Piping System Limitations.
Pipe Length
(ELF = Equivalent
Length of pipe in Feet)
Total piping length (ΣA + ΣB) ≤475.7 feet
Main pipe (Outdoor Unit to Branch Distribuon Units: A)
Minimum for Each (A) Piping Segment 16.4 feet
Maximum (ΣA) ≤180.4 feet
Total branch piping length (ΣB) ≤295.3 feet
Branch pipe (Branch Distribuon Units to Indoor Units: B)
Minimum 16.4 feet
Maximum ≤49.2 feet
Elevaon Dierenal
(All Elevaon
Limitaons are
Measured in Actual
Feet)
If outdoor unit is above or below indoor unit (h1) ≤98.4 feet
Between the farthest two indoor units (h2) ≤49.2 feet
Between branch distribuon unit and farthest connected indoor unit(s) (h3) ≤32.8 feet
Between branch distribuon units (h4) ≤49.2 feet
Multi F MAX Piping Sizes.
Piping Main Pipe A (inch) Branch Pipe B
Liquid Ø3/8
Depends on the size of
the indoor unit piping.
Vapor Ø3/4
SB_MultiF_MAX_LMU541HV_2021_09_08_125816
LMU541HV
4.5 Ton Heat Pump
Multi F MAX Outdoor Unit