Mitsubishi Electric CITY MULTI PURY-P-TNU-A Serie Manual De Instalación página 25

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<Refrigerant piping connection examples>
・Obtain joints and elbows on site as necessary according to the pipe diameter, and connect the pipes as shown in the figures below.
(1) When routing the pipes through the front of the unit
(2) When routing the pipes through the bottom of the unit
<A> High-pressure side
<B> Low-pressure side
Refrigerant service valve piping
Reducer etc.
Elbow
On-site piping
<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
High-pressure side
EP72
ø15.88 (ø5/8)
EP96
ø19.05 (ø3/4)
EP120
EP144
EP168
EP192
ø22.2 (ø7/8)
EP216
EP240
・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 (ø3/8)
ø8 (ø3/8) 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)
WT09106X03
<A>
<B>
<A>
<B>
On-site piping [mm (in)]
Low-pressure side
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
On-site piping [mm (in)]
Low-pressure side
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
ø34.93 (ø1-3/8)
Minimum insertion depth [mm (in)]
Service valve piping [mm (in)]
High-pressure side
Low-pressure side
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
ø28.58 (ø1-1/8)
Service valve piping [mm (in)]
High-pressure side
Low-pressure side
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
ø28.58 (ø1-1/8)
6 (1/4)
7 (5/16)
8 (3/8)
10 (7/16)
12 (1/2)
14 (9/16)
GB-23

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