MAXA 10500 W Benutzer Installationsanleitung Seite 32

7. PIPING AND CONNECTIONS
EN
2.5 Thickness of the copper pipes
NOMINAL DIAMETER
(inches)
NOMINAL DIAMETER
1/4
(inches)
2.5 Thickness of the copper pipes
Thickness of the copper pipes
3/8
1/4
1/2
3/8
NOMINAL DIAMETER
(inches)
5/8
1/2
1/4
5/8
3/8
In the split-system type air conditioning units with R410A refrigerant, a three-
1/2
way valve on the external unit is used, with a pin valve that has a different
5/8
diameter from the R22 machines, in order to prevent the units from acciden-
tally being recharged with another type of refrigerant.
In the split-system type air conditioning units with R410A refrigerant, a three-
In addition, to increase resistance to pressure, for copper tubes with a nomi-
In the split-system type air conditioning units with R410A refrigerant, a
way valve on the external unit is used, with a pin valve that has a different
nal diameter of 1/2" and 5/8", the operating dimensions of the pipe connec-
three-way valve on the external unit is used, with a pin valve that has a dif-
diameter from the R22 machines, in order to prevent the units from acciden-
ferent diameter from the R22 machines, in order to prevent the units from tion as well as the pipe unions on the opposite side were changed.
tally being recharged with another type of refrigerant.
accidentally being recharged with another type of refrigerant. In addition, to
In addition, to increase resistance to pressure, for copper tubes with a nomi-
increase resistance to pressure, for copper tubes with a nominal diameter
2.6 How to connect the pipes
Remove the closing plugs from the piping only immediately before you
nal diameter of 1/2" and 5/8", the operating dimensions of the pipe connec-
of 1/2" and 5/8", the operating dimensions of the pipe connection as well
make the connection: prevent all dirt and moisture from entering the
tion as well as the pipe unions on the opposite side were changed.
·
as the pipe unions on the opposite side were changed.
Remove the closing plugs from the piping only immediately before you
piping.
make the connection: prevent all dirt and moisture from entering the
How to connect the pipes
2.6 How to connect the pipes
piping.
- Remove the closing plugs from the piping only immediately before you-
section more than three times. Unwind the pipe without pulling on it, as illu-
· If a pipe is bent too many times, it becomes hard: do not bend the same
·
make the connection: prevent all dirt and moisture from entering the piping.
strated in the figure.
Remove the closing plugs from the piping only immediately before you
section more than three times. Unwind the pipe without pulling on it, as illu-
- If a pipe is bent too many times, it becomes hard: do not bend the same-
make the connection: prevent all dirt and moisture from entering the
strated in the figure.
section more than three times. Unwind the pipe without pulling on it, as
piping.
illustrated in the figure. · The insulation around the copper pipes must be at least 6 mm thick.
· If a pipe is bent too many times, it becomes hard: do not bend the same
- The insulation around the copper pipes must be at least 6mm thick.
2.7 Connections to the internal unit
section more than three times. Unwind the pipe without pulling on it, as illu-
strated in the figure.
Connections to the internal unit
1. Shape the connection pipes well following the outline.
impurities have been left inside).
· The insulation around the copper pipes must be at least 6 mm thick.
1. Shape the connection pipes well following the outline.
2. Remove the end cap from the pipes of the internal unit (check that no
2. Remove the end cap from the pipes of the internal unit (check that no
2.7 Connections to the internal unit
impurities have been left inside).
impurities have been left inside).
pipe, following the instructions in the table.
3. Insert the pipe union and position the flange at the end of the connection
3. Insert the pipe union and position the flange at the end of the connec-
1. Shape the connection pipes well following the outline.
pipe, following the instructions in the table.
ø ø
tionpipe, following the instructions in the table.
2. Remove the end cap from the pipes of the internal unit (check that no
NOMINAL EXTERNAL
impurities have been left inside).
ø ø
1/4 3. Insert the pipe union and position the flange at the end of the connection NOMINAL 6,35 EXTERNAL
3/8 9,52
pipe, following the instructions in the table.
1/4 6,35
1/2 12,70
3/8 9,52
5/8 15,88
ø ø
1/2 12,70
NOMINAL EXTERNAL
5/8 15,88
piping. If the tightening force is insufficient, then there may well be leaks.
1/4 6,35
4. Connect the pipes using two spanners, taking care not to damage the
4. Connect the pipes using two spanners, taking care not to damage the
3/8 9,52
And if the tightening force is too much, then there may also be leaks as the
piping. If the tightening force is insufficient, then there may well be leaks.
1/2 12,70
piping. If the tightening force is insufficient, then there may well be leaks.
flange could be damaged. The safest method lies in tightening the con-
5/8 15,88
And if the tightening force is too much, then there may also be leaks as the
And if the tightening force is too much, then there may also be leaks as the
nection using a fixed spanner and a dynamometric one: in this case, use
flange could be damaged. The safest method lies in tightening the connec- flange could be damaged. The safest method lies in tightening the con-
the table "tightening torque for flange connections".
4. Connect the pipes using two spanners, taking care not to damage the
tion using a fixed spanner and a dynamometric one: in this case, use the
nection using a fixed spanner and a dynamometric one: in this case, use
piping. If the tightening force is insufficient, then there may well be leaks.
table "tightening torque for flange connections".
the table "tightening torque for flange connections".
quent work carried out in the vicinity of the cocks.
And if the tightening force is too much, then there may also be leaks as the
5. We recommend you leave an extra 50 cm of copper pipe for any subse-
5. We recommend you leave an extra 50 cm of copper pipe for any subse-
flange could be damaged. The safest method lies in tightening the con-
quent work carried out in the vicinity of the cocks.
quent work carried out in the vicinity of the cocks.
nection using a fixed spanner and a dynamometric one: in this case, use
Connections to the external unit
the table "tightening torque for flange connections".
2.8 Connections to the external unit
Screw the pipe unions onto the external unit connections with the same
5. We recommend you leave an extra 50 cm of copper pipe for any subse-
tightness as for the internal unit. To avoid leaks, pay particular attention to
quent work carried out in the vicinity of the cocks.
Screw the pipe unions onto the external unit connections with the same tight-
the following points:
- Tighten the pipe unions, taking care not to damage the piping. ness as for the internal unit.
Tighten the pipe unions, taking care not to damage the piping.
2.8 Connections to the external unit
- If the tightening force is insufficient, then there may well be leaks. And if
To avoid leaks, pay particular attention to the following points:
If the tightening force is insufficient, then there may well be leaks.
the tightening force is too much, then there may also be leaks as the flan-
· Tighten the pipe unions, taking care not to damage the piping.
Screw the pipe unions onto the external unit connections with the same tight-
ge could be damaged.
· If the tightening force is insufficient, then there may well be leaks.
ness as for the internal unit.
- The safest method lies in tightening the connection using a dynamo-
And if the tightening force is too much, then there may also be leaks as the
The safest method lies in tightening the connection using a dynamo-
metric spanner: in this case, use the following table. To avoid leaks, pay particular attention to the following points:
flange could be damaged.
· Tighten the pipe unions, taking care not to damage the piping.
· The safest method lies in tightening the connection using a dynamo-
· If the tightening force is insufficient, then there may well be leaks.
metric spanner: in this case, use the following table.
And if the tightening force is too much, then there may also be leaks as the
flange could be damaged.
· The safest method lies in tightening the connection using a dynamo-
24
metric spanner: in this case, use the following table.
EXTERNAL DIAMETER
(mm)
EXTERNAL DIAMETER
6,35
(mm)
9,52
6,35
12,70
9,52
EXTERNAL DIAMETER
(mm)
15,88
12,70
6,35
15,88
9,52
12,70
15,88
mm
MEASUREMENT
THICKNESS "A" mm clamp-shaped
PIPE VICE for R410A
mm
MEASUREMENT
0,8 THICKNESS 0-0,5 "A" mm clamp-shaped
PIPE VICE for R410A
0,8 0-0,5
0,8 0-0,5
0,8 0-0,5
0,8 0-0,5
1,0 0-0,5
mm
MEASUREMENT
0,8 0-0,5
THICKNESS "A" mm clamp-shaped
1,0 0-0,5
PIPE VICE for R410A
0,8 0-0,5
0,8 0-0,5
0,8 0-0,5
1,0 0-0,5
THICKNESS
(mm)
THICKNESS
0,8
(mm)
0,8
0,8
0,8
0,8
THICKNESS
(mm)
1,0
0,8
0,8
1,0
0,8
0,8
1,0
CONVENTIONAL
PIPE VICE
clamp-shaped butterfly
CONVENTIONAL
1,0-1,5 PIPE VICE 1,5-2,0
clamp-shaped butterfly
1,0-1,5 1,5-2,0
1,0-1,5 1,5-2,0
1,0-1,5 2,0-2,5
1,0-1,5 1,5-2,0
1,0-1,5 2,0-2,5
CONVENTIONAL
1,0-1,5 2,0-2,5
PIPE VICE
1,0-1,5 2,0-2,5
clamp-shaped butterfly
1,0-1,5 1,5-2,0
1,0-1,5 1,5-2,0
1,0-1,5 2,0-2,5
1,0-1,5 2,0-2,5
32
NO
YES
YES
YES
connection piping
connection piping
45°~ 46°
pipe
unions
45°~ 46°
B A
pipe
unions
connection piping
B A
liquid cock
45°~ 46°
liquid cock
gas cock
pipe
unions
B A
gas cock
liquid cock
gas cock
NO
NO
dynamometric
spanner
dynamometric
spanner
dynamometric
spanner
C D
C D
43°~ 45°
43°~ 45°
C D
43°~ 45°