Lennox VPB H4-3P Series User Manual

17
Length and Maximum Height Di󰀨erence Maximum Permitted Length Piping
Pipe Length
Total Piping Length (Actual) ≤492 ft. (150 m) L1+A+B+C+D
Maximum Piping Length
Actual Length ≤296 ft. (90 m)
L1+A, L1+B,
L1+C, L1+D
Equivalent Length ≤328 ft. (100 m)
Pipe length (from the header pipe kit to each indoor unit) 65.6 ft. (20 m)
A, B, C, D
≤ 65.6 ft. (20 m) each
Maximum
Height
Di󰀨erence
Indoor Unit to Outdoor Unit
Maximum Height Di󰀨erence
Outdoor Unit Up ≤164 ft. (50 m) - - -
Outdoor Unit Down ≤131 ft. (40 m) - - -
Indoor Unit to Indoor Unit Maximum Height Di󰀨erence ≤49 ft. (15 m) - - -
Description Designation
Main Outdoor Pipe - from outdoor unit to header pipe kit L1
Indoor Unit Pipe - from header pipe kit(s) to indoor units A, B, C, D
AB
C
Indoor unit
≤
20m
L1
≤
8m
Maximum Permitted Refrigerant Pipe Length and Maximum Height Difference - With Header Pipe Kit
NOTE - See Refrigerant Pipe Selection Table to size Main Outdoor Pipe.
NOTE - Header pipe kits should be placed between the Outdoor Unit and Indoor Units.
Header pipe kits cannot be connected in series.
NOTE - In applications requiring more than one Header pipe kit,
call Lennox VRF Applications Department for assistance.
Maximum Height Difference Outdoor Unit to Indoor Unit
Maximum Height Difference Indoor Unit to Indoor Unit
D
Mini-VRF
Heat Pump
Outdoor unit
Header Pipe Kit
V8HDRK04

Lennox VPB H4-3P Series Specifications

General

Brand	Lennox
Model	VPB H4-3P Series
Category	Heat Pump
Language	English