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Table 5B — Part Load Data Percent Displacement, With Accessory Unloaders (cont)
*Unloaded compressor.
†Two unloaders, both unloaded.
NOTE: These capacity control steps may vary due to lag compressor sequencing.
UNIT
30GTN,R
30GUN,R
CONTROL
STEPS
LOADING SEQUENCE A LOADING SEQUENCE B
% Displacement
(Approx)
Compressors
% Displacement
(Approx)
Compressors
170, 270A,
330A/B (60 Hz)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
6
11
17
17
23
28
33
34
39
45
50
51
56
61
67
67
73
78
83
84
89
95
100
A1†
A1*
A1
A1†,B1*
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†,A2,A3,B1*,B2
A1†,A2,A3,B1,B2
A1*,A2,A3,B1,B2
A1,A2,A3,B1,B2
A1†,A2,A3,B1*,B2,B3
A1†,A2,A3,B1,B2,B3
A1*,A2,A3,B1,B2,B3
A1,A2,A3,B1,B2,B3
6
11
17
17
23
28
33
34
39
45
50
51
56
61
67
67
73
78
83
84
89
95
100
B1†
B1*
B1
A1*,B1†
A1,B1†
A1,B1*
A1,B1
A1*,B1†,B2
A1,B1†,B2
A1,B1*,B2
A1,B1,B2
A1*,A2,B1†,B2
A1,A2,B1†,B2
A1,A2,B1*,B2
A1,A2,B1,B2
A1*,A2,B1†,B2,B3
A1,A2,B1†,B2,B3
A1,A2,B1*,B2,B3
A1,A2,B1,B2,B3
A1*,A2,A3,B1†,B2,B3
A1,A2,A3,B1†,B2,B3
A1,A2,A3,B1*,B2,B3
A1,A2,A3,B1,B2,B3
170, 270A,
330A/B, 360B (50 Hz)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
5
9
14
14
19
23
28
28
33
37
42
43
48
52
57
61
63
67
72
76
81
82
87
91
96
100
A1†
A1*
A1
A1†,B1*
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,A2,B1,B2
A1†A2,A3,B1†,B2
A1†,A2,A3,B1*,B2
A1†,A2,A3,B1,B2
A1*,A2,A3,B1,B2
A1,A2,A3,B1,B2
A1†,A2,A3,B1†,B2,B3
A1†,A2,A3,B1*,B2,B3
A1†,A2,A3,B1,B2,B3
A1*,A2,A3,B1,B2,B3
A1,A2,A3,B1,B2,B3
5
9
14
14
19
23
28
29
34
38
43
47
48
52
57
61
63
67
72
76
81
82
87
91
96
100
B1†
B1*
B1
A1*,B1†
A1,B1†
A1,B1*
A1,B1
A1†,B1†,B2
A1*,B1†,B2
A1,B1†,B2
A1,B1*,B2
A1,B1,B2
A1*,A2,B1†,B2
A1,A2,B1†,B2
A1,A2,B1*,B2
A1,A2,B1,B2
A1†,A2,B1†,B2,B3
A1*,A2,B1†,B2,B3
A1,A2,B1†,B2,B3
A1,A2,B1*,B2,B3
A1,A2,B1,B2,B3
A1†,A2,A3,B1†,B2,B3
A1*,A2,A3,B1†,B2,B3
A1,A2,A3,B1†,B2,B3
A1,A2,A3,B1*,B2,B3
A1,A2,A3,B1,B3,B3
190, 290A, 360A/B,
390B (60 Hz)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
9
13
18
21
25
33
37
41
49
53
56
71
74
78
93
96
100
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
A1*,A2,A3,B1*,B2
A1*,A2,A3,B1,B2
A1,A2,A3,B1,B2
A1*,A2,A3,B1*,B2,B3
A1*,A2,A3,B1,B2,B3
A1,A2,A3,B1,B2,B3
9
13
18
21
25
33
37
41
49
53
56
71
74
78
93
96
100
B1*
B1
A1*,B1*
A1,B1*
A1,B1
A1*,B1*,B2
A1,B1*,B2
A1,B1,B2
A1*,A2,B1*,B2
A1,A2,B1*,B2
A1,A2,B1,B2
A1*,A2,B1*,B2,B3
A1,A2,B1*,B2,B3
A1,A2,B1,B2,B3
A1*,A2,A3,B1*,B2,B3
A1,A2,A3,B1*,B2,B3
A1,A2,A3,B1,B2,B3