Carrier 30GTN - Page 22

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*
321A1 21B1
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*
323A1 23B1
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*
320A1 20B1
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*
321A1 21B1
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*
325A1 25B1
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.
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