Table 5B — Part Load Data Percent Displacement, With Accessory Unloaders (cont)
UNIT
30GTN,GTR
090, 245B (50 Hz)
100, 255B,
270B (60 Hz)
100, 255B,
270B (50 Hz)
110, 290B,
315B (60 Hz)
110, 290B,
315B (50 Hz)
*Unloaded compressor.
†Two unloaders, both unloaded.
NOTE: These capacity control steps may vary due to lag compressor sequencing.
LOADING SEQUENCE A
CONTROL
%
STEPS
Displacement
(Approx)
1
7
2
14
3
21
4
29
5
36
6
43
7
49
8
54
9
61
10
68
11
75
12
79
13
86
14
93
15
100
1
8
2
16
3
23
4
31
5
39
6
46
7
50
8
58
9
66
10
73
11
77
12
85
13
92
14
100
1
7
2
13
3
20
4
26
5
33
6
40
7
43
8
50
9
57
10
63
11
70
12
74
13
80
14
89
15
93
16
100
1
7
2
14
3
21
4
29
5
36
6
43
7
47
8
54
9
61
10
68
11
75
12
79
13
86
14
93
15
100
1
8
2
17
3
25
4
33
5
42
6
50
7
58
8
67
9
75
10
83
11
92
12
100
Compressors
Displacement
A1†
A1*
A1
A1†,B1
A1*,B1
A1,B1
A1†,A2,B1†
A1†,A2,B1*
A1†,A2,B1
A1*,A2,B1
A1,A2,B1
A1†,A2,B1*,B2
A1†,A2,B1,B2
A1*,A2,B1,B2
A1,A2,B1,B2
A1†
A1*
A1
A1†,B1
A1*,B1
A1,B1
A1†,A2,B1*
A1†,A2,B1
A1*,A2,B1
A1,A2,B1
A1†,A2,B1*,B2
A1†,A2,B1,B2
A1*,A2,B1,B2
A1,A2,B1,B2
A1†
A1*
A1
A1†,B1
A1*,B1
A1,B1
A1†,A2,B1†
A1†,A2,B1*
A1†,A2,B1
A1*,A2,B1
A1,A2,B1
A1†,A2,B1†,B2
A1†,A2,B1*,B2
A1†,A2,B1,B2
A1*,A2,B1,B2
A1,A2,B1,B2
A1†
A1*
A1
A1†,B1
A1*,B1
A1,B1
A1†,A2,B1†
A1†,A2,B1*
A1†,A2,B1
A1*,A2,B1
A1,A2,B1
A1†,A2,B1*,B2
A1†,A2,B1,B2
A1*,A2,B1,B2
A1,A2,B1,B2
A1†
A1*
A1
A1†,B1
A1*,B1
A1,B1
A1†,A2,B1
A1*,A2,B1
A1,A2,B1
A1†,A2,B1,B2
A1*,A2,B1,B2
A1,A2,B1,B2
22
LOADING SEQUENCE B
%
Compressors
(Approx)
7
B1†
14
B1*
21
B1
29
A1,B1†
36
A1,B1*
43
A1,B1
46
A1*,B1†,B2
53
A1,B1†,B2
60
A1,B1*,B2
67
A1,B1,B2
72
A1†,A2,B1†,B2
79
A1*,A2,B1†,B2
86
A1,A2,B1†,B2
93
A1,A2,B1*,B2
100
A1,A2,B1,B2
8
B1†
16
B1*
23
B1
31
A1,B1†
39
A1,B1*
46
A1,B1
50
A1*,B1†,B2
58
A1,B1†,B2
66
A1,B1*,B2
73
A1,B1,B2
77
A1*,A2,B1†,B2
85
A1,A2,B1†,B2
92
A1,A2,B1*,B2
100
A1,A2,B1,B2
7
B1†
13
B1*
20
B1
26
A1,B1†
33
A1,B1*
40
A1,B1
43
A1†,B1†,B2
50
A1*,B1†,B2
57
A1,B1†,B2
63
A1,B1*,B2
70
A1,B1,B2
74
A1†,A2,B1†,B2
80
A1*,A2,B1†,B2
87
A1,A2,B1†,B2
93
A1,A2,B1*,B2
100
A1,A2,B1,B2
7
B1†
14
B1*
21
B1
29
A1,B1†
36
A1,B1*
43
A1,B1
46
A1*,B1†,B2
53
A1,B1†,B2
60
A1,B1*,B2
67
A1,B1,B2
72
A1†,A2,B1†,B2
79
A1*,A2,B1†,B2
86
A1,A2,B1†,B2
93
A1,A2,B1*,B2
100
A1,A2,B1,B2
8
B1†
17
B1*
25
B1
33
A1,B1†
42
A1,B1*
50
A1,B1
58
A1,B1†,B2
67
A1,B1*,B2
75
A1,B1,B2
83
A1,A2,B1†,B2
92
A1,A2,B1*,B2
100
A1,A2,B1,B2