2202G1JE-DA-M-N_2010.01.
4 Operation of the Compressor and the System
Reciprocating Compressor M Series
4.3 Operation Order of the Unloader
4-5
4.3 Operation Order of the Unloader
In the figure,
indicate the cylinder number, and
indicate the unloader piston number.
"ON" in the table indicates loading (energized), and "OFF" indicates unloading (not energized).
Fig. 4-1 Operation order of the
capacity control (4M)
Table 4-2 Loading rate (4M)
Cylinder No.
Unloader piston
number
0%
50%
100%
1 1
ON
ON
2 2
OFF
ON
3 1
ON
ON
4 2
Stop
OFF ON
Fig. 4-2 Operation order of the
capacity control (6M)
Table 4-3 Loading rate (6M)
Cylinder No.
Unloader
piston
number
0%
33%
66%
100%
1 1
ON
ON
ON
2 2
OFF
ON
ON
3 3
OFF
OFF
ON
4 1
ON
ON
ON
5 2
OFF
ON
ON
6 3
Stop
OFF OFF ON
Fig. 4-3 Operation order of the
capacity control (8M)
Table 4-4 Loading rate (8M)
Cylinder
No.
Unloader
piston
number
0%
25%
50%
75% 100%
1 1
ON
ON
ON
ON
2 2
OFF
ON
ON
ON
3 3
OFF
OFF
ON
ON
4 4
OFF
OFF
OFF
ON
5 1
ON
ON
ON
ON
6 2
OFF
ON
ON
ON
7 3
OFF
OFF
ON
ON
8 4
Stop
OFF
OFF OFF ON