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Table 4B — Capacity Control Steps, 080-110 and Associated Modular Units
UNIT
30GN
CONTROL
STEPS
LOADING SEQUENCE A LOADING SEQUENCE B
%
Compressors
%
CompressorsDisplacement Displacement
(Approx) (Approx)
080, 230B (60 Hz)
A1†,B1†
1 22 A1* 30 B1*
234A1 44B1
3 52 A1*,B1* 52 A1*,B1*
4 67 A1*,B1 63 A1,B1*
5 78 A1,B1 78 A1,B1
6 89 A1*,A2,B1 85 A1,A2,B1*
7 100 A1,A2,B1 100 A1,A2,B1
080, 230B (60 Hz)
A1†**, B1†
1 11 A1†† — —
2 22 A1* — —
334A1 — —
4 41 A1††,B1* — —
5 55 A1††,B1 — —
6 67 A1*,B1 — —
7 78 A1,B1 — —
8 89 A1*,A2,B1 — —
9 100 A1,A2,B1 — —
080, 230B (60 Hz)
A1†,B1†**
1 — — 15 B1††
2 — — 30 B1*
3— — 44 B1
4 — — 48 A1,B1††
5 — — 63 A1,B1*
6 — — 78 A1,B1
7 — — 85 A1,A2,B1*
8 — — 100 A1,A2,B1
080, 230B (60 Hz)
A1†**,B1†**
1 11 A1†† 15 B1††
2 22 A1* 30 B1*
334A1 44B1
4 41 A1††,B1* 48 A1,B1††
5 55 A1††,B1 63 A1,B1*
6 67 A1*,B1 78 A1,B1
7 78 A1,B1 85 A1,A2,B1*
8 89 A1*,A2,B1 100 A1,A2,B1
9 100 A1,A2,B1 — —
080, 230B (50 Hz)
A1†,B1†
1 17 A1* 25 B1*
225A1 38B1
3 42 A1*,B1* 42 A1*,B1*
4 54 A1*,B1 50 A1, B1*
5 62 A1,B1 62 A1,B1
6 79 A1*,A2,B1* 79 A1*,A2,B1*
7 92 A1*,A2,B1 88 A1,A2,B1*
8 100 A1,A2,B1 100 A1,A2,B1
080, 230B (50 Hz)
A1†**,B1†
1 8 A1†† — —
2 17 A1* — —
325A1 — —
4 33 A1††,B1* — —
5 46 A1††,B1 — —
6 54 A1*,B1 — —
7 62 A1,B1 — —
8 71 A1††,A2,B1* — —
9 84 A1††,A2,B1 — —
10 92 A1*,A2,B1 — —
11 100 A1,A2,B1 — —
080, 230B (50 Hz)
A1†,B1†**
1 — — 13 B1††
2 — — 25 B1*
3— — 38 B1
4 — — 50 A1,B1*
5 — — 62 A1,B1
6 — — 67 A1*,A2,B1††
7 — — 75 A1,A2,B1††
8 — — 88 A1,A2,B1*
9 — — 100 A1,A2,B1
080, 230B (50 Hz)
A1†**,B1†**
1 8 A1†† 13 B1††
2 17 A1* 25 B1*
325A1 38B1
4 33 A1††,B1* 50 A1,B1*
5 46 A1††,B1 62 A1,B1
6 54 A1*,B1 67 A1*,A2,B1††
7 62 A1,B1 75 A1,A2,B1††
8 71 A1††,A2,B1* 88 A1,A2,B1*
9 84 A1††,A2,B1 100 A1,A2,B1
10 92 A1*,A2,B1 — —
11 100 A1,A2,B1 — —
*Unloaded compressor.
†Compressor unloader, standard.
**Compressor unloader, accessory.
††Two unloaders, both unloaded.
NOTE: These capacity control steps may vary due to lag compressor
sequencing.
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