Engineered for flexibility and performance.  Branch Joint Selection 室外机 纯粹由分支接头的连接 控制器 分支接头 室外机 Outdoor unit Branch joint Connection by the branch joint completely Controller Connection type of branch joint/ branch header:

Engineered for flexibility and performance. 

After the branch header no more branching is permitted

Engineered for flexibility and performance.  Selection of branch joint / header for MDS Model Branch joint (2 branch) MDS-Y1 MDS-Y2 MDS-Y3 MDS-Y4 MDS-Y5 Branch header (4 branch) MDS-C1 MDS-C2 MDS-C3

Engineered for flexibility and performance.  MDS-Y1~Y4 dimensional drawing

Engineered for flexibility and performance.  MDS-Y5 dimensional drawing

Engineered for flexibility and performance.  MDS-C1 dimensional drawing

Engineered for flexibility and performance.  MDS-C2~C3 dimensional drawing

Engineered for flexibility and performance.  Diameter & thickness requirement for refrigerant copper pipe A-series

Engineered for flexibility and performance.  B-series Diameter & thickness requirement for refrigerant copper pipe

Engineered for flexibility and performance.  Piping selection & unit selection Cooling cap. factor

Engineered for flexibility and performance.  Piping selection & unit selection Heating cap. factor

Engineered for flexibility and performance.  MDS100AR A MCC020 MCK020 MCC015MCK020MCC010 BC DE MCK Selection of diameter for piping 2. Selection of branch Selection step : Example

Engineered for flexibility and performance.  1) Main pipe & terminal pipe dia. (Equivalent length<90m) Main pipe ： φ15.88 / φ28.6 Terminal pipe : (Same as indoor units ） 2) Calculate the downsteam cap. Of point A A-B-C: A-D-E: 17.4 KW 11.8 KW 3) Select the dia. from the table A-B Dia : A-D Dia : Φ12.7 / φ25.4 Φ9.52 / φ ) Same as item 3 B-C Dia: D-E Dia: Φ9.52 / φ19.05 Φ9.52 / φ Piping dia selection 2. Branch selection Selection step :

Engineered for flexibility and performance.  1) Select the branch of point A A （ Liquid ）： MDS-Y2 A （ Gas ）： MDS-Y1 2) Same as item 1 B （ Liquid ）： MDS-Y2 B （ Gas ）： MDS-Y1 C （ Liquid ）： MDS-Y2 C （ Gas ）： MDS-Y4 D （ Liquid ）： MDS-Y2 D （ Gas ）： MDS-Y4 E （ Liquid ）： MDS-Y2 E （ Gas ）： MDS-Y2 1. Selection of diameter for piping 2. Selection of branch Selection step :

Engineered for flexibility and performance.  Additional Charge of Refrigerant G=∑ L i * G i LiLi Formula: The each section of liquid tube length in all （ m ） GiGi Charge amount per length （ g/m ） Using liquid tube length to calculate required refrigerant → Add in refrigerant G Refrigerant charge amount

Engineered for flexibility and performance.  MDS100AR A MCC020MCK020 MCC015MCK020MCC010 BC DE MCK020 60m(5/8) 6m(1/2)8m8m8m8m 8m8m 8m8m8m8m 7m(1/4) 7m7m 8m8m Complete selection of pipe & branch Additional Charge of Refrigerant

Engineered for flexibility and performance.  Additional Charge of Refrigerant G=180*60+120*6+80*55+50*14 Additional charge amount G ： =6900 （ g ）

Engineered for flexibility and performance.  MDS unit selection software McQuay MDS unit selection software

Engineered for flexibility and performance.  MDS control & monitoring software