Mitsubishi Electric City Multi R2 Series Installation Manual page 32

<Reference> Size of refrigerant pipes
High-pressure side
P200 ø15.88 (ø5/8)
P250
P300 ø19.05 (ø3/4)
P350
P400
P450 ø22.2 (ø7/8)
P500
ø22.2 (ø7/8)
P550
ø28.58 (ø1-1/8)
High-pressure side
EP200 ø15.88 (ø5/8)
EP250
EP300 ø19.05 (ø3/4)
EP350
EP400
EP450 ø22.2 (ø7/8)
EP500
ø22.2 (ø7/8)
EP550
ø28.58 (ø1-1/8)
*1 For the length within 65 m (213 ft)
*2 For the length that exceeds 65 m (213 ft)
・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)
9-5-3. Sealing the openings around the pipes
Seal all openings around pipes and wires to keep out small animals, rainwater, or snow.
- Failure to do so may result in current leakage, electric shock, or damage to the unit.
Ⓐ
WT08432X01
On-site piping [mm (in)]
Low-pressure side
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
*1
*2
On-site piping [mm (in)]
Low-pressure side
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
*1
*2
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)
Service valve piping [mm (in)]
High-pressure side Low-pressure side
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
6 (1/4)
7 (5/16)
8 (3/8)
10 (7/16)
12 (1/2)
14 (9/16)
Ⓐ
Example of closure materials (not supplied)
Ⓑ
Fill the openings
GB-30
ø28.58 (ø1-1/8)
ø28.58 (ø1-1/8)