Toshiba MMY-MAP0802FT8 Manuel D'installation page 13

5
REFRIGERANT PIPING
Using the attached pipes as shown in the following figure, braze elbows, sockets, and pipes which are procured locally.
MMY-
Liquid pipe
Discharge gas pipe
Suction gas pipe
MAP0802FT8
MAP1002FT8
Liquid pipe
Discharge gas pipe Use the attached pipe and connect it with socket.
Suction gas pipe
MAP1202FT8
• Extruding margin of copper pipe with flare machining : B (Unit: mm)
Copper pipe outer dia.
9.5
12.7
15.9
∗ When using the conventional flare tool, to
connect R410A pipes with flaring, make a
margin approx. 0.5mm longer than that of R22
pipe so that the flare size matches with the
specified one. It is convenient to use a copper
pipe gauge for size adjustment of the extruding
margin.
Pipe connecting method of valve (Example)
Drawing out forward
Use the attached pipe for connection.
Use the attached pipe (L-shape) and connect it with
socket.
Cut L-shape pipe and connect it with elbow, attached
pipe and socket.
Suction gas pipe
Discharge
gas pipe
Liquid pipe
Attached pipe
Socket
Pipe
Use the attached pipe for connection.
Cut L-shape pipe and connect it with attached pipe.
Suction gas pipe
Discharge
gas pipe
Liquid pipe
Attached pipe
Socket
Pipe
Rigid (Clutch type)
R410A tool used Conventional tool used
0 to 0.5
Pipe connection at the local site
(Bend rightward slightly.)
Use the attached pipe (Straight pipe) and connect it
with socket.
Cut L-shape pipe and connect it with attached pipe
and socket.
Suction gas pipe
Suction gas pipe
Cut
Liquid pipe
L-shape pipe
Attached
Attached pipe
pipe
Pipe
Attached pipe
Socket
Pipe
Pipe connection at the local site
(Bend rightward slightly.)
Use the attached pipe (Straight pipe) and connect it
with socket.
Cut L-shape pipe and connect it with attached pipe
and socket.
Suction gas pipe
Suction gas pipe
Cut
Liquid pipe
L-shape pipe
Attached
Attached pipe
pipe
Pipe
Pipe
Imperial (Wing nut)
1.5 to 2.0
1.0 to 1.5
2.0 to 2.5
• Extruding margin of copper pipe with flare tools :
A (Unit: mm)
Copper pipe outer dia.
9.5
12.7
15.9
9
Drawing out downward
Suction gas pipe
Discharge
gas pipe
L-shape pipe
Attached pipe
Socket
Pipe
Socket
Pipe
Pipe
Suction gas pipe
Discharge
gas pipe
L-shape pipe
Attached pipe
Socket
Pipe
Socket
Pipe
Pipe
+0.0
A
–0.4
13.2
16.6
19.7
Cut
Cut
A