Mitsubishi Electric TRANE CITY MULTI TPMFYP-BM140 Series Installation Manual page 6

3. Installing the refrigerant piping
E F
D
C
I
en
5
C
D
G
A ·B
A Gas piping
B Liquid piping
C Band (long) 4
D Pipe cover 3
E Turn the seam upward.
F Press the pipe cover against the
sheet metal.
G Refrigerant piping heat insulat-
ing material
H Wrap tightly
I Cut off excess length of band.
Fig. 3-4
3.3. Refrigerant piping
1) Indoor unit
Installing procedures (Fig. 3-4)
1. ��������������������������
2. Flare-cut the liquid and gas pipes then apply refrigerating machine oil (to be locally
H
���������������������
3. Quickly connect the refrigerant piping.
* ����������������������������
4. Slide the supplied pipe cover
sheet metal inside the unit.
5. Slide the provided pipe cover
the sheet metal inside the unit.
6. Tighten the pipe cover
supplied bands 4.
over the gas piping until it is pressed against the
3
over the liquid piping until it is pressed against
3
at the both ends 5/8 - 13/16 in. (15 - 20 mm) with the
3
.