Mitsubishi Electric PURY-P120, Service Handbook

Page: 63 / 411

[
II
Restrictions ]
- 54 - HWE09130 GB
2. Connecting the BC controller
(1) Size of the pipe that fits the standard BC controller ports
P72 - P120 models
* BC controllers can only be connected to P72 - P120 models of outdoor units.
Unit : mm [inch]
Operation
Pipe sections
High-pressure side (gas) Low-pressure side (gas)
Outdoor unit side PURY-P72TJMU-A
PURY-P72YJMU-A ø15.88 [5/8"]
(Brazed connection)
ø19.05 [3/4"]
(Brazed connection)
PURY-P96TJMU-A
PURY-P96YJMU-A
ø19.05 [3/4"]
(Brazed connection)
ø22.2 [7/8"]
(Brazed connection)
PURY-P120TJMU-A
PURY-P120YJMU-A ø28.58 [1-1/8"]
(Brazed connection)
Indoor unit side ø9.52 [3/8"] (Flare connection)
ø15.88 [5/8"]
(Flare connection)
Indoor Indoor Indoor
Indoor
Indoor Indoor
BC controller
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.)
Branch joint (Model name:CMY-Y102S-G2)
(Optional
accessory)
*2
Junction pipe kit
(Model name:
CMY-R160-J)
(Optional accessory)
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.
3*
A
B
*1
Reducer
(Standard
supplied parts)
To outdoor unit
Connection: Brazed connection