Carrier 30GN040-420 operating instructions Loading Sequence A

Table 4C Ð Capacity Control Steps, 130-210 and Associated Modular Units (cont)

		LOADING SEQUENCE A		LOADING SEQUENCE B
UNIT	CONTROL	%		%
SIZE	STEPS	Displacement	Compressors	Displacement	Compressors
		(Approx)		(Approx)
	1	5	A1²²	Ð	Ð
	2	9	A1*	Ð	Ð
	3	14	A1	Ð	Ð
	4	14	A1²²,B1*	Ð	Ð
	5	19	A1²²,B1	Ð	Ð
	6	23	A1*,B1	Ð	Ð
	7	28	A1,B1	Ð	Ð
	8	28	A1²²,A2,B1*	Ð	Ð
	9	33	A1²²,A2,B1	Ð	Ð
170, 270A,	10	37	A1*,A2,B1	Ð	Ð
	11	42	A1,A2,B1	Ð	Ð
330A/B, 360B (50 Hz)	12	48	A1²²,A2,B1*,B2	Ð	Ð
A1²**,B1²	13	52	A1²²,A2,B1,B2	Ð	Ð
	14	57	A1*,A2,B1,B2	Ð	Ð
	15	61	A1,A2,B1,B2	Ð	Ð
	16	67	A1²²,A2,A3,B1*,B2	Ð	Ð
	17	72	A1²²,A2,A3,B1,B2	Ð	Ð
	18	76	A1*,A2,A3,B1,B2	Ð	Ð
	19	81	A1,A2,A3,B1,B2	Ð	Ð
	20	87	A1²²,A2,A3,B1*,B2,B3	Ð	Ð
	21	91	A1²²,A2,A3,B1,B2,B3	Ð	Ð
	22	96	A1*,A2,A3,B1,B2,B3	Ð	Ð
	23	100	A1,A2,A3,B1,B2,B3	Ð	Ð
	1	Ð	Ð	5	B1²²
	2	Ð	Ð	9	B1*
	3	Ð	Ð	14	B1
	4	Ð	Ð	14	A1*,B1²²
	5	Ð	Ð	19	A1,B1²²
	6	Ð	Ð	23	A1,B1*
	7	Ð	Ð	28	A1,B1
	8	Ð	Ð	34	A1*,B1²²,B2
	9	Ð	Ð	38	A1,B1²²,B2
170, 270A,	10	Ð	Ð	43	A1,B1*,B2
	11	Ð	Ð	47	A1,B1,B2
330A/B, 360B (50 Hz)	12	Ð	Ð	48	A1*,A2,B1²²,B2
A1²,B1²**	13	Ð	Ð	52	A1,A2,B1²²,B2
	14	Ð	Ð	57	A1,A2,B1*,B2
	15	Ð	Ð	61	A1,A2,B1,B2
	16	Ð	Ð	67	A1*,A2,B1²²,B2,B3
	17	Ð	Ð	72	A1,A2,B1²²,B2,B3
	18	Ð	Ð	76	A1,A2,B1*,B2,B3
	19	Ð	Ð	81	A1,A2,B1,B2,B3
	20	Ð	Ð	87	A1*,A2,A3,B1²²,B2,B3
	21	Ð	Ð	91	A1,A2,A3,B1²²,B2,B3
	22	Ð	Ð	96	A1,A2,A3,B1*,B2,B3
	23	Ð	Ð	100	A1,A2,A3,B1,B2,B3
	1	5	A1²²	5	B1²²
	2	9	A1*	9	B1*
	3	14	A1	14	B1
	4	14	A1²²,B1*	14	A1*,B1²²
	5	19	A1²²,B1	19	A1,B1²²
	6	23	A1*,B1	23	A1,B1*
	7	28	A1,B1	28	A1,B1
	8	28	A1²²,A2,B1*	29	A1²²,B1²²,B2
	9	33	A1²²,A2,B1	34	A1*,B1²²,B2
	10	37	A1*,A2,B1	38	A1,B1²²,B2
	11	42	A1,A2,B1	43	A1,B1*,B2
170, 270A,	12	43	A1²²,A2,B1²²,B2	47	A1,B1,B2
	13	48	A1²²,A2,B1*,B2	48	A1*,A2,B1²²,B2
330A/B, 360B (50 Hz)
	14	52	A1²²,A2,B1,B2	52	A1,A2,B1²²,B2
A1²**,B1²**
	15	57	A1*,A2,B1,B2	57	A1,A2,B1*,B2
	16	61	A1,A2,B1,B2	61	A1,A2,B1,B2
	17	63	A1²²,A2,A3,B1²²,B2	63	A1²²,A2,B1²²,B2,B3
	18	67	A1²²,A2,A3,B1*,B2	67	A1*,A2,B1²²,B2,B3
	19	72	A1²²,A2,A3,B1,B2	72	A1,A2,B1²²,B2,B3
	20	76	A1*,A2,A3,B1,B2	76	A1,A2,B1*,B2,B3
	21	81	A1,A2,A3,B1,B2	81	A1,A2,B1,B2,B3
	22	82	A1²²,A2,A3,B1²²,B2,B3	82	A1²²,A2,A3,B1²²,B2,B3
	23	87	A1²²,A2,A3,B1*,B2,B3	87	A1*,A2,A3,B1²²,B2,B3
	24	91	A1²²,A2,A3,B1,B2,B3	91	A1,A2,A3,B1²²,B2,B3
	25	96	A1*,A2,A3,B1,B2,B3	96	A1,A2,A3,B1*,B2,B3
	26	100	A1,A2,A3,B1,B2,B3	100	A1,A2,A3,B1,B3,B3

*Unloaded compressor. ²Compressor unloader, standard. **Compressor unloader, accessory. ²²Two unloaders, both unloaded.

NOTE: These capacity control steps may vary due to lag compressor sequencing.

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