![background image](http://html.mh-extra.com/html/carrier/30gtn/30gtn_service-and-troubleshooting-manual_2560156022.webp)
Table 5B — Part Load Data Percent Displacement, With Accessory Unloaders (cont)
UNIT
30GTN,GTR
CONTROL
STEPS
LOADING SEQUENCE A
LOADING SEQUENCE B
%
Displacement
(Approx)
Compressors
%
Displacement
(Approx)
Compressors
090, 245B (50 Hz)
1
7
A1†
7
B1†
2
14
A1*
14
B1*
3
21
A1
21
B1
4
29
A1†,B1
29
A1,B1†
5
36
A1*,B1
36
A1,B1*
6
43
A1,B1
43
A1,B1
7
49
A1†,A2,B1†
46
A1*,B1†,B2
8
54
A1†,A2,B1*
53
A1,B1†,B2
9
61
A1†,A2,B1
60
A1,B1*,B2
10
68
A1*,A2,B1
67
A1,B1,B2
11
75
A1,A2,B1
72
A1†,A2,B1†,B2
12
79
A1†,A2,B1*,B2
79
A1*,A2,B1†,B2
13
86
A1†,A2,B1,B2
86
A1,A2,B1†,B2
14
93
A1*,A2,B1,B2
93
A1,A2,B1*,B2
15
100
A1,A2,B1,B2
100
A1,A2,B1,B2
100, 255B,
270B (60 Hz)
1
8
A1†
8
B1†
2
16
A1*
16
B1*
3
23
A1
23
B1
4
31
A1†,B1
31
A1,B1†
5
39
A1*,B1
39
A1,B1*
6
46
A1,B1
46
A1,B1
7
50
A1†,A2,B1*
50
A1*,B1†,B2
8
58
A1†,A2,B1
58
A1,B1†,B2
9
66
A1*,A2,B1
66
A1,B1*,B2
10
73
A1,A2,B1
73
A1,B1,B2
11
77
A1†,A2,B1*,B2
77
A1*,A2,B1†,B2
12
85
A1†,A2,B1,B2
85
A1,A2,B1†,B2
13
92
A1*,A2,B1,B2
92
A1,A2,B1*,B2
14
100
A1,A2,B1,B2
100
A1,A2,B1,B2
100, 255B,
270B (50 Hz)
1
7
A1†
7
B1†
2
13
A1*
13
B1*
3
20
A1
20
B1
4
26
A1†,B1
26
A1,B1†
5
33
A1*,B1
33
A1,B1*
6
40
A1,B1
40
A1,B1
7
43
A1†,A2,B1†
43
A1†,B1†,B2
8
50
A1†,A2,B1*
50
A1*,B1†,B2
9
57
A1†,A2,B1
57
A1,B1†,B2
10
63
A1*,A2,B1
63
A1,B1*,B2
11
70
A1,A2,B1
70
A1,B1,B2
12
74
A1†,A2,B1†,B2
74
A1†,A2,B1†,B2
13
80
A1†,A2,B1*,B2
80
A1*,A2,B1†,B2
14
89
A1†,A2,B1,B2
87
A1,A2,B1†,B2
15
93
A1*,A2,B1,B2
93
A1,A2,B1*,B2
16
100
A1,A2,B1,B2
100
A1,A2,B1,B2
110, 290B,
315B (60 Hz)
1
7
A1†
7
B1†
2
14
A1*
14
B1*
3
21
A1
21
B1
4
29
A1†,B1
29
A1,B1†
5
36
A1*,B1
36
A1,B1*
6
43
A1,B1
43
A1,B1
7
47
A1†,A2,B1†
46
A1*,B1†,B2
8
54
A1†,A2,B1*
53
A1,B1†,B2
9
61
A1†,A2,B1
60
A1,B1*,B2
10
68
A1*,A2,B1
67
A1,B1,B2
11
75
A1,A2,B1
72
A1†,A2,B1†,B2
12
79
A1†,A2,B1*,B2
79
A1*,A2,B1†,B2
13
86
A1†,A2,B1,B2
86
A1,A2,B1†,B2
14
93
A1*,A2,B1,B2
93
A1,A2,B1*,B2
15
100
A1,A2,B1,B2
100
A1,A2,B1,B2
110, 290B,
315B (50 Hz)
1
8
A1†
8
B1†
2
17
A1*
17
B1*
3
25
A1
25
B1
4
33
A1†,B1
33
A1,B1†
5
42
A1*,B1
42
A1,B1*
6
50
A1,B1
50
A1,B1
7
58
A1†,A2,B1
58
A1,B1†,B2
8
67
A1*,A2,B1
67
A1,B1*,B2
9
75
A1,A2,B1
75
A1,B1,B2
10
83
A1†,A2,B1,B2
83
A1,A2,B1†,B2
11
92
A1*,A2,B1,B2
92
A1,A2,B1*,B2
12
100
A1,A2,B1,B2
100
A1,A2,B1,B2
*Unloaded compressor.
†Two unloaders, both unloaded.
NOTE: These capacity control steps may vary due to lag compressor sequencing.
22
Summary of Contents for 30GTN
Page 6: ...Fig 1 Typical Control Box 080 110 and Associated Modular Units Shown 6 ...
Page 7: ...Fig 2 24 V Control Schematic Unit Sizes 040 070 7 ...
Page 8: ...Fig 3 24 V Control Schematic Unit Sizes 080 110 230B 315B 8 ...
Page 9: ...Fig 4 24 V Control Schematic Unit Sizes 130 210 230A 315A 330A B 420A B 9 ...
Page 75: ......