Refrigerant Tubing; Indoor Unit Tubing; Outdoor Unit Tubing - Sanyo C2432 Installation Instructions Manual

4. Refrigerant Tubing

4-1. Indoor Unit Tubing

Rear-left tubing
NOTE
For rear-left tubing, optional tube connection (C) (APR-
EN46U1B) is necessary. Please consult your nearest
sales outlet or A/C workshop.
1. Make a 3-3/16" hole in the wall, centered on the
crossing point between the triangle marks (A and B)
on the rear panel. (Fig. 30a)
2. Set the rear panel at its original position where it
was installed with screws.
3. Cut the wide tube at a point 4-1/8" from the triangle
mark.
4. Remove the 1/2" flare nut from the optional tube
connection (C), place it on the cut wide tube, and
then flare the wide tube. (Fig. 30b)
5. Connect the optional tube connection (C) to the wide
tube.
6. Connect the 3/4" tube to the connected optional tube
connection.
7. Connect the 3/8" tube to the narrow tube.
8. Cover the narrow and wide tubes with insulation
material.
Rear-right tubing
9. Make a 3-3/16" hole in the wall, centered on the
crossing point between the triangle marks (A' and B')
on the rear panel. (Fig. 30a)
10. Connect the 3/4" tube to the wide tube.
11. Connect the 3/8" tube to the narrow tube.
12. Cover the narrow and wide tubes with insulation
material.

4-2. Outdoor Unit Tubing

1. Connect a wide tube (3/4") to the wide tube valve.
(Fig. 31a)
2. Connect the tube assy, which was packed in the
indoor unit carton, to the narrow tube valve.
3. Before attaching the tube assy to the mounting valve,
wrap the supplied packing A (3/4"
onto the 5/16" tube of the tube assy to avoid direct
contact of the tube assy with the mounting valve.
(Fig. 31b, 31c)
1-3/8" T3/16")
13
2. Mount the rear panel
B'
A'
Rear View
3. Cut wide tube
5. Connect tube
assy
Optional tube
connection (C) 1/2"
(Optional part)
Narrow tube valve
Tube assy
1. Cut hole
B
A
Wide tube
3. Cut
4-1/8"
4. Flare
5. Connect
Optional tube
connection (C) 1/2"
(Optional part)
Fig. 30a
4. Flare wide tube
7. Connect
narrow tube
3/8"
6. Connect
wide tube
3/4"
Fig. 30b
Wide tube valve
Mounting valve
Packing B
Clamp
Packing A
Narrow tube (3/8")
Wide tube (3/4")
Fig. 31a
in wall
Narrow
tube 3/8"