Carrier Air Conditioner Operation And Service Manual page 22

Table 5B — Part Load Data Percent Displacement, With Accessory Unloaders (cont)
UNIT
30GTN,R
30GUN,R
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
% Displacement
STEPS
(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
% Displacement
Compressors
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