Bc Controller Connection Method - Mitsubishi Electric PURY-HP72 Service Handbook

[2-10 Restrictions on Refrigerant Pipes ]
2-10-3

BC Controller Connection Method

(1) Size of the pipe that fits the standard BC controller ports
HP72 - HP96 models
To outdoor unit
*1
Reducer
(Standard
supplied parts)
Indoor
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.
Operation
Outdoor unit side
Indoor unit side
* BC controllers can only be connected to HP72 - HP96 models of outdoor units.
HWE13080
Connection: Brazed connection
BC controller
*2
Junction pipe kit
(Model name:
CMY-R160-J)
(Optional accessory)
Indoor
Indoor
PURY-HP72TKMU-A-H
PURY-HP72YKMU-A
PURY-HP96TKMU-A-H
PURY-HP96YKMU-A
Branch joint (Model name:CMY-Y102S-G2)
B
A
Indoor Indoor
3* 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.)
Pipe sections
High-pressure side (gas)
ø15.88 [5/8"]
(Brazed connection)
ø19.05 [3/4"]
(Brazed connection)
ø9.52 [3/8"] (Flare connection)
- 58 -
(Optional accessory)
Indoor
Unit : mm [inch]
Low-pressure side (gas)
ø19.05 [3/4"]
(Brazed connection)
ø22.2 [7/8"]
(Brazed connection)
ø15.88 [5/8"]
(Flare connection)
GB