Carrier 48/50AJ specifications Staging Sequence with Hot Gas Bypass 48/50AK,AY030-060

Table 52 — Staging Sequence with Hot Gas Bypass — 48/50AK,AY020-027 and Multi-Stage 48/50AJ,AW020-027

STAGE			SEQUENCE 1						SEQUENCE 2
	0	1	2	3	4	5	0	1	2	3	4	5
COMP			Compressor Status						Compressor Status
A1	OFF	ON*	ON	ON	OFF	ON	OFF	OFF	OFF	ON	ON	ON
A2	OFF	OFF	OFF	ON	ON	ON	OFF	ON*	ON	ON	OFF	ON
B1	OFF	OFF	OFF	OFF	ON	ON	OFF	OFF	OFF	OFF	ON	ON
UNIT			Unit Capacity 48/50A						Unit Capacity 48/50A
020	0%	18%	33%	67%	67%	100%	0%	18%	33%	67%	67%	100%
025	0%	17%	30%	65%	70%	100%	0%	22%	35%	65%	65%	100%
027	0%	21%	33%	67%	67%	100%	0%	21%	33%	67%	67%	100%

*With Minimum Load Valve ON.

Table 53 — Staging Sequence without Hot Gas Bypass — 48/50AK,AY030-060 and Multi-Stage 48/50AJ,AW030-060

STAGE			SEQUENCE 1						SEQUENCE 2
	0	1	2	3	4	5	0	1	2	3	4	5
COMP			Compressor Status						Compressor Status
A1	OFF	ON	ON	OFF	ON	ON	OFF	OFF	ON	ON	ON	ON
A2	OFF	OFF	ON	ON	ON	ON	OFF	ON	ON	OFF	ON	ON
B1	OFF	OFF	OFF	ON	ON	ON	OFF	OFF	OFF	OFF	OFF	ON
B2	OFF	OFF	OFF	OFF	OFF	ON	OFF	OFF	OFF	ON	ON	ON
UNIT			Unit Capacity 48/50A						Unit Capacity 48/50A
030	0%	23%	45%	50%	73%	100%	0%	23%	45%	50%	73%	100%
035,036	0%	22%	48%	52%	74%	100%	0%	26%	48%	48%	74%	100%
040,041	0%	21%	43%	50%	71%	100%	0%	21%	43%	50%	72%	100%
050	0%	23%	46%	46%	68%	100%	0%	23%	46%	54%	77%	100%
051	0%	25%	50%	50%	75%	100%	0%	25%	50%	50%	75%	100%
060	0%	24%	50%	50%	74%	100%	0%	26%	50%	50%	76%	100%

Table 54 — Staging Sequence with Hot Gas Bypass — 48/50AK,AY030-060

STAGE				SEQUENCE 1								SEQUENCE 2
	0	1	2		3	4	5	6	0	1	2		3	4	5	6
COMP			Compressor Status								Compressor Status
A1	OFF	ON*	ON		ON	OFF	ON	ON	OFF	OFF	OFF		ON	ON	ON	ON
A2	OFF	OFF	OFF		ON	ON	ON	ON	OFF	ON*	ON		ON	OFF	ON	ON
B1	OFF	OFF	OFF		OFF	ON	ON	ON	OFF	OFF	OFF		OFF	OFF	OFF	ON
B2	OFF	OFF	OFF		OFF	OFF	OFF	ON	OFF	OFF	ON		OFF	ON	ON	ON
UNIT			Unit Capacity 48/50A								Unit Capacity 48/50A
030	0%	12%	23%		45%	50%	73%	100%	0%	12%	23%		45%	50%	73%	100%
035,036	0%	12%	22%		48%	52%	74%	100%	0%	16%	26%		48%	48%	74%	100%
040,041	0%	13%	21%		43%	50%	71%	100%	0%	13%	21%		43%	50%	72%	100%
050	0%	16%	23%		46%	46%	68%	100%	0%	16%	23%		46%	54%	77%	100%
051	0%	19%	25%		50%	50%	75%	100%	0%	19%	25%		50%	50%	75%	100%
060	0%	19%	24%		50%	50%	74%	100%	0%	21%	26%		50%	50%	76%	100%

*With minimum load valve ON.

Table 55 — 2-Stage Sequence —

48/50A2,A4020-027

STAGE		SEQUENCE 1				SEQUENCE 2
	0		1	2	0		1	2
	Thermostat Inputs				Thermostat Inputs
Y1	OPEN		CLOSED	CLOSED	OPEN		CLOSED	CLOSED
Y2	OPEN		OPEN	CLOSED	OPEN		OPEN	CLOSED
COMP	Compressor Status				Compressor Status
A1	OFF		ON	ON	OFF		OFF	ON
A2	OFF		OFF	ON	OFF		ON	ON
B1	OFF		OFF	ON	OFF		OFF	ON
UNIT			Unit Capacity			Unit Capacity
020	0%		30%	100%	0%		30%	100%
025	0%		33%	100%	0%		33%	100%
027	0%		33%	100%	0%		33%	100%

Table 56 — 2-Stage Sequence —

48/50A2,A4030-060

STAGE		SEQUENCE 1				SEQUENCE 2
	0		1	2	0		1	2
	Thermostat Inputs				Thermostat Inputs
Y1	OPEN		CLOSED	CLOSED	OPEN		CLOSED	CLOSED
Y2	OPEN		OPEN	CLOSED	OPEN		OPEN	CLOSED
COMP	Compressor Status				Compressor Status
A1	OFF		ON	ON	OFF		OFF	ON
A2	OFF		OFF	ON	OFF		ON	ON
B1	OFF		ON	ON	OFF		OFF	ON
B2	OFF		OFF	ON	OFF		ON	ON
UNIT		Unit Capacity				Unit Capacity
030	0%		50%	100%	0%		50%	100%
035	0%		50%	100%	0%		50%	100%
040	0%		50%	100%	0%		50%	100%
050	0%		50%	100%	0%		50%	100%
060	0%		50%	100%	0%		50%	100%

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