Mitsubishi Electric City Multi PURY-P72TLMU-A Manuel D'installation page 23

When routing the pipes through the bottom of the unit
Ⓐ
Ⓚ
Ⓖ
* The figure shows a unit on which an outdoor unit twinning kit
(low-pressure side) is not installed.
Ⓐ Refrigerant service valve (high-pressure)
Ⓑ
Refrigerant service valve (low-pressure)
Ⓒ On-site piping (Adjust the piping position to the knockout hole.)
Ⓓ
Supplied connecting elbow
Ⓔ Reducer etc.
Ⓕ On-site piping (low-pressure side)
Ⓖ
On-site piping (high-pressure side)
Ⓗ Outdoor unit twinning kit
Ⓘ On-site piping to an outdoor unit (low-pressure side)
Ⓙ
On-site piping to a BC controller (low-pressure side)
Ⓚ Supplied connecting pipe
・Connecting the on-site piping and the service valve piping
When routing the pipes through the front of the unit
P72 Use the supplied connecting pipe ⑥.
P96
Use the supplied connecting pipe ③.
P120
P144
Use the supplied connecting pipe ①.
P168
When routing the pipes through the bottom of the unit
P72 Use the supplied connecting pipe ⑦.
P96
Use the supplied connecting pipe ④.
P120
P144
Use the supplied connecting pipe ②.
P168
<Reference> Size of refrigerant pipes
High-pressure side
P72 ø15.88 (ø5/8)
P96
ø19.05 (ø3/4)
P120
P144
ø22.2 (ø7/8)
P168
<Reference> Severed section
Ⓐ
Ⓑ
Ⓒ
Ⓐ
Ⓒ
Ⓑ
・When expanding the on-site piping, satisfy the minimum insertion depth requirement as follows.
Pipe size [mm (in)]
ø5 (ø1/4) or more, less than ø8 (ø13/8)
ø8 (ø13/8) or more, less than ø12 (ø1/2)
ø12 (ø1/2) or more, less than ø16 (ø11/16)
ø16 (ø11/16) or more, less than ø25 (ø1)
ø25 (ø1) or more, less than ø35 (ø1-7/16)
ø35 (ø1-7/16) or more, less than ø45 (ø1-13/16)
WT07598X02
Ⓑ
Ⓔ
Ⓕ
High-pressure side
High-pressure side
On-site piping [mm (in)]
Low-pressure side
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
75 mm (3 in) (reference)
Pipe section to be cut (Use a pipe cutter.)
Service valve side
Minimum insertion depth [mm (in)]
Ⓐ
Ⓚ
Ⓖ
* The figure shows a unit on which an outdoor unit twinning kit
(low-pressure side) is installed.
Use the supplied connecting elbow ⑤ and the connecting pipes ⑧ and ⑨.
Use the supplied connecting elbow ⑤ and the connecting pipe ⑧.
Use the supplied connecting elbow ⑤.
Use the supplied connecting pipes ⑧ and ⑨.
Use the supplied connecting pipe ⑧.
Expand the end of the on-site piping. (ID ø28.58 mm (ø1-1/8 in))
Service valve piping [mm (in)]
High-pressure side Low-pressure side
ø25.4 (ø1) ø28.58 (ø1-1/8)
6 (1/4)
7 (5/16)
8 (3/8)
10 (7/16)
12 (1/2)
14 (9/16)
GB-21
Ⓑ
Ⓗ
Ⓙ
Ⓘ
Low-pressure side
Low-pressure side