9-3. Twinning kit selection
Select appropriate twinning kits (sold separately), referring to the sections below.
* Use an adapter, if necessary, to connect a refrigerant pipe to a twinning pipe of a different diameter.
* The maximum number of connectable ports is 48.
9-3-1. 2-Branch Joint Pipe
A 2-Branch Joint Pipe is used to connect multiple indoor units to a port, or to connect two sub BC controllers.
Total capacity of downstream indoor units
72 or below
73 to 96
9-3-2. Joint Pipe Kit
A Joint Pipe Kit is used to connect an indoor unit of P100 model or above.
Indoor unit model
P72 to P96
9-3-3. Outdoor unit twinning kit
Outdoor unit twinning kit is used to combine multiple outdoor units.
Total capacity of outdoor units
H144
H192 to H240
9-4. Pipe connection example
9-4-1. Example of pipe connection between outdoor units
Ⓐ
Ⓑ
WT09117X05
Kit model
CMY-Y102SS-G2
CMY-Y102LS-G2
Kit model
CMY-R160C-J1
Kit model
CMY-R100NCBK
CMY-R200NCBK
Ⓑ
Ⓐ
Ⓒ
Ⓒ
Ⓐ
Ⓑ
Ⓒ
GB-18
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.