Mitsubishi Electric PURY-P72 Service Handbook page 63

[II Restrictions]
(2) Size of the pipe that fits the main
Be
controller ports
P72 - P240 models
*1
Reducer
(Standard supplied parts)
To outdoor unit
<
Connection: Brazed connection
Branch joint (Model name:CMY-Y102S-G2j
/\"_="1
The ports ofthe BC controller accommodates the pipes on P24 - P54 models of indoor units. To connect other types of indoor
units, follow the procedure below.
Note
I
1) To connect P06 - P18 models of indoor units use the reducer that is supplied with the BC controller.
2) To connect the units between the P72 and P96 models of indoor units (or when the total capacity of indoor units is P55
or above), use a junction pipe kit and merge the two nozzles.
3) To connect mUltiple indoor units to a port (or to a junction pipe)
-Maximum total capacity of connected indoor units: P54 or below (in a system with a junction pipe: P96 or below)
-Maximum number of connectable indoor units: 3 units
-Branch joint: Use CMY-Y1025-G2 (optional accessory).
-Refrigerant pipe selection (size of the pipes in sections A and B in the figure above): Select the proper based on the total
capacity of the downstream indoor units, using the table below as a reference.
Unit: mm [inchJ
Total capacity of indoor units Liquid pipe Gas pipe
P54 or below l!l9.52 [3/81 015.88 [5/81
P55 - P72 09.52 [3/81 019.05 [3/4"J
P73 - P96 l!l9.52 [3/81 l!l22.2 [7/81
Unit: mm [inch]
Pipe sections
Operation
High pressure side (liqUid)
Low-pressure side (Gas)
Outdoor unit PURY-P72THMU-A l!l15.88 [5/81
12l19.05 [3'41
side
PURY-P72YHMU-A
(Brazed connection) (Brazed connection)
PURY-P96THMU-A
12l22.2 [7/81
PURY-P96YHMU-A
l!l19.05 [3'41
(Brazed connection)
PURY-P120THMU-A
(Brazed connection)
PURY-P120YHMU-A
PURY-P144TSHMU-A
PURY-P144YSHMU-A
PURY-P168TSHMU-A 022.2 [7/8"]
PURY-P168YSHMU-A (Brazed connection)
028.58 [1-1/8"]
PURY-P192TSHMU-A
(Brazed connection)
PURY-P192YSHMU-A
PURY-P216TSHMU-A
PURY-P216YSHMU-A
028.58 [1-1'81
PURY-P240TSHMU-A
(Brazed connection)
PURY-P240YSHMU-A
Indoor unit side l!l9.52 [3'8"] (Flare connection)
015.88 [5'8"J (Flare connection)
HWEOB03A - 53- GB