Installation Details; Wrench Torque Sheet For Installation; Connecting The Cables; Pipe Length And The Elevation - Midea MS9A-09HRDN1-QC2 Service Manual

7. Installation details

7.1 Wrench torque sheet for installation

Ф6.35
Ф9.52
Ф12.7

7.2 Connecting the cables

The power cord of connect should be selected according to the following specifications sheet.

7.3 Pipe length and the elevation

Capacity
Btu/h
Gas
9k 3/8'' (Ф9.52)
12k 3/8'' (Ф9.52)
Caution:
Capacity is based on standard length and maximum allowance length is base of reliability.
Oil trap should be installed per 5-7 meters.

7.4 Air purging of the piping and indoor unit

Required tools:
Hexagonal wrench; adjustable wrench; torque wrenches, wrench to hold the joints and gas leak detector.
Note:
Outside diameter
mm
Unit
2
mm
Pipe size
Liquid
1/4'' (Ф6.35)
1/4'' (Ф6.35)
inch
1/4
3/8
1/2
Grade
9K 12K
1.5 1.5
Standard Max.
length Elevation
(m) B (m)
5 8
5 8
Torque
Kgf.m
1.8
4.2
5.5
Max. Additional
Length refrigerant
A (m) (g/m)
20 20
20 20
12