2020 MXZ Multi-Zone Tech Manual

Specifications subject to change without notice. 11 Line Sizing NON-HYPER-HEAT Unit Model 2C20NA 3C24NA 3C30NA Port Connections A B A B C A B C Gas Pipe Size 3/8 3/8 1/2 3/8 3/8 1/2 3/8 3/8 Liquid Pipe Size 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 Max Branch Length 82 82 82 Max Total Line Length 164 230 230 Max Vertical Separation 49 49 49 Unit Model 4C36NA 5C42NA Port Connections A B C D A B C D E Gas Pipe Size 1/2 3/8 3/8 3/8 1/2 3/8 3/8 3/8 3/8 Liquid Pipe Size 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 Max Branch Length 82 82 Max Total Line Length 230 262 Max Vertical Separation 49 49 Units Pre-Charged for 98 feet of Piping. Add 0.21 oz per foot over 98 feet Ported Type Branch Box Hyper-Heat Units 8C48NA 8C60NA Connection Size Gas Pipe 5/8 3/4 Connection Size Liquid Pipe 3/8 3/8 Max Total Line Length 492 492 Maximum Vertical Separation ID Units Above OD Unit 131 131 OD Unit Above ID Units 164 164 Branch Boxes 49 49 Branch Boxes to Indoor Units 49 49 Between Indoor Units 39 39 Max Length from OD to All Branch Boxes 180 180 Max Length From Tee to Farthest Branch Box 98 98 Max Length from Branch Box to ID Unit 82 82 Max Total From Branch Box to ID Units 311 311 Branch Boxes PAC-MKA(31&32)BC PAC-MKA(51&52)BC Port Connections A B C A B C D E Gas Pipe Size 3/8 3/8 3/8 1/2 3/8 3/8 3/8 3/8 Liquid Pipe Size 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 Units NOT Precharged for Piping Refer to additional charge calculation worksheet Branch Box Type