Midea 9V SERIES - 6. Installation Details; 6.1 Wrench Torque Specifications; 6.3 Pipe Length and Elevation

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6. Installation details
6.1 Wrench torque sheet for installation
Outside diameter Torque Additional tightening torque
mm inch N·cm N·cm
Ф6.35 1/4
1500
(153kgf.cm)
1600
(163kgf.cm)
Ф9.53 3/8
2500
(255kgf.cm)
2600
(265kgf.cm)
Ф12.7 1/2
3500
(357kgf.cm)
3600
(367kgf.cm)
Ф16 5/8
4500
(459kgf.cm)
4700
(479kgf.cm)
6.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
Grade
Unit
7K 9K 12K 18K
mm
2
1.5 1.5 1.5 2.5
6.3 Pipe length and the elevation
Capacity
Btu/h
Pipe size Standard
length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
Additional
refrigerant
(g/m)
Gas Liquid
7K 3/8’’ (Ф9.52) 1/4’’ (Ф6.35) 5 5 10 30
9K 3/8’’ (Ф9.52) 1/4’’ (Ф6.35) 5 5 10 30
12K 1/2’’ (Ф12.7) 1/4’’ (Ф6.35) 5 5 10 30
18K 1/2’’ (Ф12.7) 1/4’’ (Ф6.35) 5 8 15 30