Mitsubishi Electric CITY MULTI PURY-P72TJMU-A Installation Manual page 13

Outdoor unit for building application
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[Fig.10.2.2]
(Sold separetely)
No.
Shape
P72 (
-
)
P96 (CMY-RS200UEB)
P120 (CMY-RS300UEB)
P144 (CMY-RS400UEB)
When not attaching a low-pressure twinning pipe
A
A
B
B
C
When not attaching a low-pressure twinning pipe
A
C
D
B
C
A Refrigerant service valve piping
D Twinning Kit (sold separately)
E On-site piping (low-pressure connecting pipe: to BC controller)
F On-site piping (low-pressure connecting pipe: to outdoor unit)
G 75 mm [2-31/32 in] (reference measurement)
*1 For the attachment of the Twinning pipe (sold separately), refer to the instructions included in the kit.
*2 Connection pipe is not used when the Twinning Kit is attached.
*3 Use a pipe cutter to sever.
Front pipe routing
Expand the high-pressure side on-site piping
P72
(ID ø15.88 mm [5/8 in]) and connect to the refrigerant
service valve piping.
Use the included connecting pipe 2 and elbow 3 to
P96, P120
connect.
Use the included connecting pipe 1 to connect.
P144
Expand the low-pressure side on-site piping
P72
(ID ø19.05 mm [3/4 in]) and connect to the refrigerant
service valve piping.
Use the included connecting pipe 1 to connect.
P96
Expand the low-pressure side on-site piping
P120,P144
(ID ø28.58 mm [1-1/8 in]) and connect to the
refrigerant service valve piping.
1
ID ø25.4 [1]
ø22.2
ID ø22.2 [7/8]
[7/8]
-
1 pc. Low-pressure side
-
1 pc. High-pressure side
referral fi gure>
H
I
*3
High-pressure side
B On-site piping (low-pressure connecting pipe)
H ID ø25.4 mm [1 in] side
2
ID ø25.4 [1]
ø22.2
[7/8]
OD ø19.05 [3/4]
-
1 pc. High-pressure side
1 pc. High-pressure side
-
When attaching a low-pressure twinning pipe *1,*2
When attaching a low-pressure twinning pipe *1,*2
C On-site piping (high-pressure connecting pipe)
I Severing portion
Bottom pipe routing
Expand the high-pressure side on-site piping
P72
(ID ø15.88 mm [5/8 in]) and connect to the refrigerant
service valve piping.
Use the included connecting pipe 2. Expand the
P96, P120
on-site piping to connect to ID ø19.05 mm [3/4 in]
Sever the included connecting pipe 1 as shown in
P144
the fi gure with a pipe cutter to use. Expand the on-site
piping to connect to ID ø22.2 mm [7/8 in].
Expand the low-pressure side on-site piping
P72
(ID ø19.05 mm [3/4 in]) and connect to the refrigerant
service valve piping.
Sever the included connecting pipe 1 as shown in
P96
the fi gure with a pipe cutter to use. Expand the on-site
piping to connect to ID ø22.2 mm [7/8 in].
Expand the low-pressure side on-site piping
P120,P144
(ID ø28.58 mm [1-1/8 in]) and connect to the
refrigerant service valve piping.
(Unit: mm [in])
3
ID ø19.05 [3/4]
OD ø19.05 [3/4]
-
1 pc. High-pressure side
1 pc. High-pressure side
-
D
E
F
C
D
F
E
C
13
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