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WT09050X01
<Reference> Size of refrigerant pipes
On-site piping [mm (in)] Service valve piping [mm (in)]
High-pressure side Low-pressure side High-pressure side Low-pressure side
M200
ø15.88 (ø5/8)
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
M250
ø22.2 (ø7/8)
M300
M350
ø28.58 (ø1-1/8) ø28.58 (ø1-1/8)
M400
ø19.05 (ø3/4)M450
M500
On-site piping [mm (in)] Service valve piping [mm (in)]
High-pressure side Low-pressure side High-pressure side Low-pressure side
EM200
ø15.88 (ø5/8)
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
EM250
ø22.2 (ø7/8)
EM300
EM350
ø28.58 (ø1-1/8) ø28.58 (ø1-1/8)
EM400
ø19.05 (ø3/4)EM450
EM500
・When expanding the on-site piping, satisfy the minimum insertion depth requirement as follows.
Pipe size [mm (in)] Minimum insertion depth [mm (in)]
ø5 (ø1/4) or more, less than ø8 (ø3/8) 6 (1/4)
ø8 (ø3/8) or more, less than ø12 (ø1/2) 7 (5/16)
ø12 (ø1/2) or more, less than ø16 (ø11/16) 8 (3/8)
ø16 (ø11/16) or more, less than ø25 (ø1) 10 (7/16)
ø25 (ø1) or more, less than ø35 (ø1-7/16) 12 (1/2)
ø35 (ø1-7/16) or more, less than ø45 (ø1-13/16) 14 (9/16)
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.
Ⓐ
Ⓑ
Ⓐ Example of closure materials (not supplied)
Ⓑ Fill the openings
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