Fisher FSAIF-CP-91AE3 Technical Manual page 16

Capacity(Btu./h)
18k
24k
 Page 16 
Pipe Size (Diameter:ø)
Piping length (m/ft)
mm(inch)
Gas Liquid Rated
12.7(1/2) 6.35(1/4) 5/16.4
15.9(5/8) 9.52(3/8) 5/16.4
Elevation (m/ft)
Max. Rated Max.
30/98.4 0 20/65.6
50/164 0 25/82
Additional Refrigerant
12g/m (0.13oz/ft)
24g/m (0.26oz/ft)