24
B. Indoor unit
Please refer to the indoor air conditioner manual.
Connecting method: Flared joint
C. Pipe spec and the torque
Note: If the copper pipe with outer diameter 19.05 is coil pipe, the thickness should be over 1.1.
Diameter (mm) Thickness (mm) Torque (N.m)
Ø6.35 0.8 16~20
Ø9.52 0.8
40~50
Ø12.7 1.0
Ø15.88 1.0 90~120
Ø19.05 1.0 100~140
Ø22.22 1.1 ——
Ø25.4 1.2 ——
Not less than Ø28.58 More than 1.4 ——
Branch pipe
Outdoor unit type
Branch pipe selection:
Note:
1. When connecting the pipe and the outdoor, please pay attention to the outdoor pipe dimension.
2. When adjusting the diameter among pipes and among the units, please must execute at the branch pipe side.
3. When welding with hard solder, please must blow nitrogen. If not, a number of oxide will be produced and cause
heavy damage. Besides, to prevent water and dust into the pipe, please make the brim as outer roll.
Total indoor capacity (100W) Model (optional)
Less than 335 FQG-B335A
Adhesive side
Prepare on eld
Seal the connection and wrap the
heat insulator with adhesive tape
Cut off pipe with the cutter
Cut off at the middle
To Next Page
Loading...
