Carrier 30GTN Service And Troubleshooting Manual page 25

Table 5B — Part Load Data Percent Displacement, With Accessory Unloaders (cont)
UNIT CONTROL
30GTN,GTR STEPS
190, 290A, 360A,
390B (50 Hz)
210, 315A, 390A,
420A/B (60 Hz)
210, 315A, 390A,
420A/B (50 Hz)
*Unloaded compressor.
†Two unloaders, both unloaded.
NOTE: These capacity control steps may vary due to lag compressor sequencing.
LOADING SEQUENCE A
%
Displacement
(Approx)
1 11
2 17
3 22
4 28
5 33
6 39
7 44
8 50
9 55
10 61
11 67
12 72
13 78
14 83
15 89
16 94
17 100
1 8
2 11
3 17
4 22
5 25
6 28
7 33
8 36
9 48
10 52
11 56
12 59
13 63
14 67
15 78
16 83
17 86
18 92
19 97
20 100
1 7
2 9
3 17
4 23
5 26
6 27
7 32
8 35
9 43
10 48
11 51
12 59
13 65
14 67
15 75
16 81
17 84
18 92
19 97
20 100
Compressors
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
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
A1*,A2,A3,A4,B1*,B2,B3
A1*,A2,A3,A4,B1,B2,B3
A1,A2,A3,A4,B1,B2,B3
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
A1*,A2,A3,A4,B1*,B2,B3
A1*,A2,A3,A4,B1,B2,B3
A1,A2,A3,A4,B1,B2,B3
25
LOADING SEQUENCE B
%
Displacement Compressors
(Approx)
11
17
22 A1*,B1*
28 A1,B1*
33 A1,B1
39 A1*,B1*,B2
44 A1,B1*,B2
50 A1,B1,B2
55 A1*,A2,B1*,B2
61 A1,A2,B1*,B2
67 A1,A2,B1,B2
72 A1*,A2,B1*,B2,B3
78 A1,A2,B1*,B2,B3
83 A1,A2,B1,B2,B3
89 A1*,A2,A3,B1*,B2,B3
94 A1,A2,A3,B1*,B2,B3
100 A1,A2,A3,B1,B2,B3
9
14
17 A1*,B1*
21 A1,B1*
25 A1,B1
37 A1*,B1*,B2
40 A1,B1*,B2
44 A1,B1,B2
48 A1*,A2,B1*,B2
51 A1,A2,B1*,B2
56 A1,A2,B1,B2
67 A1*,A2,B1*,B2,B3
71 A1,A2,B1*,B2,B3
75 A1,A2,B1,B2,B3
78 A1*,A2,A3,B1*,B2,B3
82 A1,A2,A3,B1*,B2,B3
86 A1,A2,A3,B1,B2,B3
92 A1*,A2,A3,A4,B1*,B2,B3
96 A1,A2,A3,A4,B1*,B2,B3
100 A1,A2,A3,A4,B1,B2,B3
11
16
17 A1*,B1*
20 A1,B1*
26 A1,B1
34 A1*,B1*,B2
36 A1,B1*,B2
42 A1,B1,B2
43 A1*,A2,B1*,B2
46 A1,A2,B1*,B2
51 A1,A2,B1,B2
59 A1*,A2,B1*,B2,B3
62 A1,A2,B1*,B2,B3
67 A1,A2,B1,B2,B3
75 A1*,A2,A3,B1*,B2,B3
78 A1,A2,A3,B1*,B2,B3
84 A1,A2,A3,B1,B2,B3
92 A1*,A2,A3,A4,B1*,B2,B3
94 A1,A2,A3,A4,B1*,B2,B3
100 A1,A2,A3,A4,B1,B2,B3
B1*
B1
B1*
B1
B1*
B1