2020 MXZ Multi-Zone Tech Manual

Specifications subject to change without notice. 13 Piping Limitations Permissible length (one-way) Total piping length c1+b1+b2+a1+a2+a3+a4+a5+a6+a7+a8 = (492 ft) Farthest piping length c1+b2+a8 = (262 ft) b2 = (180 ft with one branch box) a8 = (82 ft) Total Piping Between OD unit and Branch Boxes c1+b1+b2 = (180 ft with 2 branch boxes) Farthest Branch Box From 1st Joint (b2) (98 ft) Farthest length after branch box (82 ft) Total piping from branch boxes and indoor units a1+a2+a3+a4+a5+a6+a7+a8 = (311 ft) Permissible Height difference (one-way) Lowest/Highest Indoor to Outdoor Piping (H) (164 ft) Outdoor unit above indoor units (131 ft) Outdoor unit below indoor units Branch box to indoor unit h1+h2 = (49 ft) Between highest and lowest branch box (h2) h2 = (49 ft) Between highest and lowest indoor unit (h3) h3 = (39 ft) Maximum Number of Bends Each 90° reduces allowable line length by 1 ft [c1+b1+a1] [c1+b1+a2] [c1+b1+a3] [c1+b1+a4] [c1+b1+a5] [c1+b2+a6] [c1+b2+a7] [c1+b2+a8] = (15)