Mitsubishi Electric CITY MULTI PURY-P-THMU-A, Installation Manual

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1
GB
<Refrigerant piping connection examples>
[Fig.10..]
(Unit: mm [in])
No.
1 2 3 4
Shape
ø22.2
[7/8]
ID ø25.4 [1]
ID ø22.2 [7/8]
OD ø19.05 [3/4]
ø22.2
[7/8]
ID ø25.4 [1]
ID ø28.58 [1-1/8]
ø28.58
[1-1/8]
ID ø25.4 [1]
ID ø19.05 [3/4]
OD ø19.05 [3/4]
P72 - - - -
P96 1 pc. Low-pressure side 1 pc. High-pressure side - 1 pc. High-pressure side
P120 - 1 pc. High-pressure side 1 pc. Low-pressure side 1 pc. High-pressure side
1
Connecting pipe (ID ø25.4 mm [1 in], ID ø22.2 mm [7/8 in]) <Included with outdoor unit>
2
Connecting pipe (ID ø25.4 mm [1 in], OD ø19.05 mm [3/4 in]) <Included with outdoor unit>
3
Connecting pipe (ID ø25.4 mm [1 in], ID ø28.58 mm [1-1/8 in]) <Included with outdoor unit>
4
Connecting elbow (ID ø19.05 mm [3/4 in], OD ø19.05 mm [3/4 in]) <Included with outdoor unit>
<Front pipe routing>
When not attaching a low-pressure twinning pipe When attaching a low-pressure twinning pipe *1,*2
C
B
<A>
<B>
A
A
B
D
E
F
C
<A>
<B>
<Bottom pipe routing>
When not attaching a low-pressure twinning pipe When attaching a low-pressure twinning pipe *1,*2
A
B
C
<A>
<B>
C
D
*3
H
I
G
<Severing portion
referral figure>
C
E
F
D
<A>
<B>
<A> Low-pressure side <B> High-pressure side
A
Refrigerant service valve piping
B
On-site piping (low-pressure connecting pipe)
C
On-site piping (high-pressure connecting pipe)
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)
H
ID ø25.4 mm [1 in] side
I
Severing portion
*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
P72
Expand the high-pressure side on-site piping
(ID ø15.88 mm [5/8 in]) and connect to the refrigerant
service valve piping.
P96, P120
Use the included connecting pipe
2
and elbow
4
to
connect.
P72
Expand the low-pressure side on-site piping
(ID ø19.05 mm [3/4 in]) and connect to the refrigerant
service valve piping.
P96
Use the included connecting pipe
1
to connect.
P120
Use the included connecting pipe
3
to connect.
• Bottom pipe routing
P72
Expand the high-pressure side on-site piping
(ID ø15.88 mm [5/8 in]) and connect to the refrigerant
service valve piping.
P96, P120
Use the included connecting pipe
2
. Expand the
on-site piping to connect to ID ø19.05 mm [3/4 in]
P72
Expand the low-pressure side on-site piping
(ID ø19.05 mm [3/4 in]) and connect to the refrigerant
service valve piping.
P96
Sever the included connecting pipe
1
as shown in
the figure with a pipe cutter to use. Expand the on-site
piping to connect to ID ø22.2 mm [7/8 in].
P120
Sever the included connecting pipe
3
as shown in
the figure with a pipe cutter to use. Expand the on-site
piping to connect to ID ø28.58 mm [1-1/8 in].
•