Mitsubishi Electric CITY MULTI PUHY-P72TNU-A-B Manuel D'installation page 34

<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> Liquid side
<B> Gas side
Ⓐ Refrigerant service valve piping
Ⓑ Reducer etc.
Ⓒ Elbow
On-site piping
Ⓓ
WT09452X01
<A>
<B>
Ⓐ
Ⓑ
<A>
<B>
Ⓓ Ⓒ Ⓐ
GB-32