Lennox REAL VPC H4-3P Series

21
Outdoor
Unit
Non-VRF
Air
Handler
or
Coil/Furnace
Maximum Height Difference
Outdoor Unit to Indoor Unit
NOTE - See Refrigerant Pipe Selection Table to size Main Outdoor Pipe.
L1
Maximum Permitted Refrigerant Pipe Length and Maximum Height Difference – With Non-VRF Air
Handler or Coil/Furance
Description Designation
Main Outdoor Pipe - from outdoor unit to indoor unit L1
Length and Maximum Height Di󰀨erence Maximum Permitted Length Piping
Pipe Length Maximum Piping Length
Actual
Length
≤164 ft. (50 m)
L1
Equivalent
Length
≤180 ft. (55 m)
Maximum
Height
Di󰀨erence
Indoor Unit to Outdoor Unit
Maximum Height Di󰀨erence
≤98 ft. (30 m)
NOTE - The air handler unit must have a furnished thermostatic expansion valve.