[2-10 Restrictions on Refrigerant Pipes ]
BC Controller Connection Method
(1) Size of the pipe that fits the standard BC controller ports
HP72 - HP96 models
To outdoor unit
P18 model or below P24 - P54 models P72 - P96 models
The ports of the BC controller accommodates the pipes on P24 - P54 models of indoor units.
To connect other types of indoor units, follow the procedure below.
Outdoor unit side
Indoor unit side
* BC controllers can only be connected to HP72 - HP96 models of outdoor units.
Connection: Brazed connection
Junction pipe kit
Branch joint (Model name:CMY-Y102S-G2)
Maximum of 3 units per port
Total capacity of P54 or below
(All units connected to the same port
must be in the same operating mode.)
High-pressure side (gas)
ø9.52 [3/8"] (Flare connection)
- 58 -
Unit : mm [inch]
Low-pressure side (gas)