Mitsubishi Electric PURY-EP200 Service Handbook page 61

[ II Restrictions ]
(2) Size of the pipe that fits the main BC controller ports
EP200 - P800 models
To outdoor unit
*1
Reducer
(Standard supplied parts)
Indoor
P50 model or below P63-P140 models P200-P250 models
The ports of the BC controller accommodates the pipes on P63-P140 models of indoor units. To connect other types of indoor
units, follow the procedure below.
1) To connect P15-P50 models of indoor units use the reducer that is supplied with the BC controller.
2) To connect the units between the P200 and P250 models of indoor units (or when the total capacity of indoor units is
P141 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: P140 or below (in a system with a junction pipe: P250 or below)
Maximum number of connectable indoor units: 3 units
Branch joint: Use CMY-Y102S-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.
T o a t c l a p a c y t i
P 1 4 0 r o
P141 - P250
Outdoor unit
side
Indoor unit side
HWE0713A
Connection: Brazed connection
BC controller (main)
Indoor Indoor
f o n i d o r o u n s t i
b e o l w
Operation
PURY-EP200YHM-A
PURY-(E)P250YHM-A
PURY-(E)P300YHM-A
PURY-P350YHM-A
PURY-(E)P400YSHM-A
PURY-EP450YSHM-A1
PURY-(E)P500YSHM-A
PURY-(E)P550YSHM-A(1)
PURY-(E)P600YSHM-A
PURY-P650YSHM-A
PURY-P700YSHM-A
PURY-P750YSHM-A
PURY-P800YSHM-A
Branch joint (Model name:CMY-Y102S-G2)
A
*2
Junction pipe kit
(Model name:
CMY-R160-J)
(Optional accessory) Indoor
3*
L q i u d i p p i e
ø 9 5 . 2 3 [ 8 / ] "
ø9.52 [3/8"]
High pressure side (Liquid)
ø15.88 [5/8"]
(Brazed connection)
ø19.05 [3/4"]
(Brazed connection)
ø22.2 [7/8"]
(Brazed connection)
ø28.58 [1-1/8"]
(Brazed connection)
ø9.52 [3/8"] (Flare connection)
- 52 -
(Optional accessory)
B
Indoor Indoor
Maximum of 3 units per port
Total capacity of P80 or below
(All units connected to the same port
must be in the same operating mode.)
Unit : mm [inch]
G a s p p i e
ø 1 5 8 . 8 5 [ 8 / ] "
ø19.05 [3/4"]
Unit : mm [inch]
Pipe sections
Low-pressure side (Gas)
ø19.05 [3/4"]
(Brazed connection)
ø22.2 [7/8"]
(Brazed connection)
ø28.58 [1-1/8"]
(Brazed connection)
ø34.93 [1-3/8"]
(Brazed connection)
ø15.88 [5/8"] (Flare connection)
GB