Carrier ÐCooling Charging Chart, 50JS 018 Units, ÐCooling Charging Chart, 50JS 024 Units

				(018) 60HZ CHARGING CHART		OUTDOOR TEMP
						° F	° C
	689	100				125	52
					115		46
(KILOPASCALS)PRESSURE	620		90		105		41
		(PSIG)PRESSURELINE			95		35
	551		80		85		29
					75		24
	483		70		65		18
LINESUCTION		SUCTION			55		13
	414		60
					45		7
	345		50
	276		40
	207		30

20.0	30.0	40.0	50.0	60.0	70.0	80.0
	SUCTION LINE TEMPERATURE (°F)
-7	-1	4	10	16	21	27
	SUCTION LINE TEMPERATURE (°C)					50JS500087

C00026

Fig. 23ÐCooling Charging Chart, 50JS 018 Units

							(024) 60HZ CHARGING CHART						OUTDOOR TEMP
													° F	° C
	758	110											125	52
(KILOPASCALS)PRESSURE	689	(PSIG)PRESSURELINE											115	46
		100											105	41
	620		90
													95	35
	551		80										85	29
LINESUCTION		SUCTION											75	24
	483		70
													45	7
													65	18
	414		60										55	13
	345		50
	276		40
			20.0	30.0		40.0		50.0	60.0	70.0	80.0
					SUCTION LINE TEMPERATURE (°F)
			-7	-1		4		10	16	21	27
					SUCTION LINE TEMPERATURE (°C)							50JS500088

C00027

Fig. 24ÐCooling Charging Chart, 50JS 024 Units

				(030) 60HZ CHARGING CHART	OUTDOOR TEMP
					° F	° C
	689	100			125	52
					115	46
PRESSURE (KILOPASCALS)					105	41
	620	LINE PRESSURE (PSIG)	90		95	35
					85	29
	551		80		75	24
					65	18
	483		70		55	13
					45	7
SUCTION LINE	414	SUCTION	60
	345		50
	276		40
	207		30

20.0	30.0	40.0	50.0	60.0	70.0	80.0
	SUCTION LINE TEMPERATURE (°F)
-7	-1	4	10	16	21	27
	SUCTION LINE TEMPERATURE (°C)					50JS500089

C00028

Fig. 25ÐCooling Charging Chart, 50JS030 Units

INDOOR AIRFLOW AND AIRFLOW ADJUSTMENTS

For heating and cooling operation, the recommended airflow is 350 to 450 cfm for each 12,000 Btuh of rated cooling capacity. for units with optional electric heat, the airflow must not be reduced below the levels stated in Tables 2A and 2B.

Tables 4A and 4B shows both heating and cooling airflows at various external static pressures. Refer to these tables to determine the airflow for the system being installed.

NOTE: Be sure that all supply-and return-air grilles are open, free from obstructions, and adjusted properly.

				(036) 60HZ CHARGING CHART	OUTDOOR TEMP
					° F	° C
					125	52
	689	100			115	46
PRESSURE (KILOPASCALS)					105	41
	620	LINE PRESSURE (PSIG)	90		95	35
					85	29
	551		80
					75	24
	483		70		65	18
					55	13
SUCTION LINE	414	SUCTION	60
					45	7
	345		50
	276		40
	207		30

20.0	30.0	40.0	50.0	60.0	70.0	80.0
	SUCTION LINE TEMPERATURE (°F)
-7	-1	4	10	16	21	27
	SUCTION LINE TEMPERATURE (°C)					50JS500090

C00029

Fig. 26ÐCooling Charging Chart, 50JS 036 Units

Airflow can be changed by changing the lead connection of the blower motor.

Unit 50JS and JX three-speed motors (except sizes JS 018 and JX

030)are factory wired for low speed operation. Unit 50JX 030 is factory wired for medium speed. Unit 50JS 018 has a two-speed motor wired for low speed.

For 208/230-v Motors:ÐThe motor leads are color-coded as follows:

3-SPEED

Black = high speed Blue = medium speed Red = low speed

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