Twinning Kit Selection; Pipe Connection Example - Mitsubishi Electric CITY MULTI PUHY-P72TNU-A-B Manuel D'installation

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
72 or below
73 to 144
145 to 240
241 or above
Line branching for the 1st branching point
Outdoor unit model
P192 to P240, EP192 to EP240
P264 to P432, EP264 to EP432
Header branching
Total capacity of downstream indoor units
72 or below
144 or below
240 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
P192 to P240, EP192 to EP240
P264 to P312, EP264 to EP312
P336 to P432, EP336 to EP432

9-4. Pipe connection example

・Example of pipe connection between outdoor units
Ⓐ
Ⓑ
WT09452X01
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
CMY-Y100CBK3
CMY-Y200CBK2
CMY-Y300CBK2
Ⓑ
Ⓐ
Ⓒ
Ⓒ
Kit model
CMY-Y104-G
CMY-Y108-G
CMY-Y1010-G
Ⓐ
Ⓑ
Ⓒ
GB-26
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.