Carrier 30GN040-420 operating instructions Loading Sequence A

Table 4B Ð Capacity Control Steps, 080-110 and Associated Modular Units (cont)

		LOADING SEQUENCE A		LOADING SEQUENCE B
UNIT	CONTROL	%		%
30GN	STEPS	Displacement	Compressors	Displacement	Compressors
		(Approx)		(Approx)
	1	8	A1²²	Ð	Ð
	2	17	A1*	Ð	Ð
	3	25	A1	Ð	Ð
	4	33	A1²²,B1	Ð	Ð
110, 290B,	5	42	A1*,B1	Ð	Ð
	6	50	A1,B1	Ð	Ð
315B (50 Hz)
	7	58	A1²²,A2,B1	Ð	Ð
A1²**,B1²
	8	67	A1*,A2,B1	Ð	Ð
	9	75	A1,A2,B1	Ð	Ð
	10	83	A1²²,A2,B1,B2	Ð	Ð
	11	92	A1*,A2,B1,B2	Ð	Ð
	12	100	A1,A2,B1,B2	Ð	Ð
	1	Ð	Ð	8	B1²²
	2	Ð	Ð	17	B1*
	3	Ð	Ð	25	B1
	4	Ð	Ð	33	A1,B1²²
110, 290B,	5	Ð	Ð	42	A1,B1*
	6	Ð	Ð	50	A1,B1
315B (50 Hz)
	7	Ð	Ð	58	A1,B1²²,B2
A1²,B1²**
	8	Ð	Ð	67	A1,B1*,B2
	9	Ð	Ð	75	A1,B1,B2
	10	Ð	Ð	83	A1,A2,B1²²,B2
	11	Ð	Ð	92	A1,A2,B1*,B2
	12	Ð	Ð	100	A1,A2,B1,B2
	1	8	A1²²	8	B1²²
	2	17	A1*	17	B1*
	3	25	A1	25	B1
	4	33	A1²²,B1	33	A1,B1²²
110, 290B,	5	42	A1*,B1	42	A1,B1*
	6	50	A1,B1	50	A1,B1
315B (50 Hz)
	7	58	A1²²,A2,B1	58	A1,B1²²,B2
A1²**,B1²**
	8	67	A1*,A2,B1	67	A1,B1*,B2
	9	75	A1,A2,B1	75	A1,B1,B2
	10	83	A1²²,A2,B1,B2	83	A1,A2,B1²²,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. 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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