18-BC99D1-1B-EN
5
Table 2. Refrigerant Piping Limits
1.
The maximum length of refrigerant lines from outdoor to indoor
unit should NOT exceed 150 feet.
2.
The maximum vertical change should not exceed 50 feet.
3.
Service valve connection diameters are shown in “Refrigerant
Line and Service Valve Connection Size Chart.”
50’
Max
Vertical
Change
Standard
Line Set
150’ Max
Line Length
50’
Max
Vertical
Change
