Twinning Kit Selection; Pipe Connection Example - Mitsubishi Electric City Multi PUHY-P200YNW-A Installation Manual

9-3. Twinning kit selection

9-3-1. Indoor unit twinning kit
Select a proper indoor unit twinning kit (sold separately) based on the total capacity of the downstream indoor units,
using the table below as a reference.
Line branching
Total capacity of downstream indoor units
200 or below
201 to 400
401 to 650
651 or above
Line branching for the 1st branching point
Outdoor unit model
P450 to P650
P700 to P1350
Header branching
Total capacity of downstream indoor units
200 or below
400 or below
650 or below
* Use an adapter, if necessary, to connect a refrigerant pipe to a twinning pipe of a different diameter.
9-3-2. Outdoor unit twinning kit
Select a proper outdoor unit twinning kit (sold separately) based on the total capacity of the outdoor units, using the
table below as a reference.
Total capacity of outdoor units
P400 to P650
P700 to P900
P950 to P1350

9-4. Pipe connection example

・Example of pipe connection between outdoor units
Ⓐ
Ⓑ
KJ79F137H01
Kit model
CMY-Y102SS-G2
CMY-Y102LS-G2
CMY-Y202S-G2
CMY-Y302S-G2
Kit model
CMY-Y202S-G2
CMY-Y302S-G2
Number of branches
4
8
10
Kit model Total capacity of outdoor units
CMY-Y100VBK3
CMY-Y200VBK2
CMY-Y300VBK3 EP950 to EP1350
Ⓑ
Ⓐ
Ⓒ
Ⓒ
GB-23
Kit model
CMY-Y104-G
CMY-Y108-G
CMY-Y1010-G
Kit model
EP550 to EP650 CMY-Y100VBK3
EP700 to EP900 CMY-Y200VBK2
CMY-Y300VBK3
Ⓐ
On-site piping
Ⓑ
Twinning Kit
Ⓒ
The pipe section before the twinning pipe must
have at least 500 mm (19-11/16 in) of straight
section.