Bryant 549B, 542J PHYSICAL DATA cont, 548F090-120, 548F036-120, Hermetic, R-22, Propeller Type

548F036-120

PHYSICAL DATA (cont)

548F090-120

UNIT SIZE 548F		090	102	120
NOMINAL CAPACITY (tons)		71/2	81/2	10
OPERATING WEIGHT (lb)
Unit		940	965	1015
Economizer
Durablade		44	44	44
EconoMi$er		62	62	62
Roof Curb*		143	143	143
COMPRESSOR			Hermetic
Quantity		2	2	2
Oil (oz)		45 ea	54 ea	54 ea
REFRIGERANT TYPE			R-22
Operating Charge (lb-oz)
Circuit 1		5-14	8- 6	7-14
Circuit 2		5-13	8-13	8- 3
OUTDOOR COIL		Enhanced Copper Tubes, Aluminum Lanced Fins Fixed Orifice Metering Device
Rows...Fins/in.		1...17	2...17	2...17
Total Face Area (sq ft)		20.50	18.00	18.30
OUTDOOR FAN			Propeller Type
Nominal Cfm		6500	6500	6500
Quantity...Diameter (in.)		2...22	2...22	2...22
Motor Hp...Rpm		1/4...1100	1/4...1100	1/4...1100
Watts Input (Total)		500	500	500
INDOOR COIL		Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Fixed Orifice Metering Device
Rows...Fins/in.		3...15	3...15	3...15
Total Face Area (sq ft)		8.0	8.0	11.1
INDOOR FAN			Centrifugal Type
Quantity...Size (in.)	Std	1...15 x 15	1...15 x 15	1...15 x 15
	Alt	1...15 x 15	—	1...15 x 15
	High-Static	1...15 x 15	1...15 x 15	1...15 x 15
Type Drive	Std	Belt	Belt	Belt
	Alt	Belt	—	Belt
Nominal Cfm	High-Static	Belt	Belt	Belt
		3000	3600	4000
Maximum Continuous Bhp	Std	2.40	2.40	2.40
	Alt	2.40	—	2.90
	High-Static	3.70	3.70	5.25
Motor Frame Size	Std	56	56	56
	Alt	56	—	56
	High-Static	56	56	56
Nominal Rpm High/Low	Std	—	—	—
	Alt	—	—	—
	High-Static	1725	1725	1725
Fan Rpm Range	Std	590- 840	685- 935	685- 935
	Alt	685- 935	—	835-1085
Motor Bearing Type	High-Static	860-1080	860-1080	830-1130
		Ball	Ball	Ball
Maximum Allowable Rpm		2100	2100	2100
Motor Pulley Pitch Diameter Min/Max (in.)	Std	2.4/3.4	2.8/3.8	2.8/3.8
	Alt	2.8/3.8	—	3.4/4.4
	High-Static	4.0/5.0	4.0/5.0	2.8/3.8
Nominal Motor Shaft Diameter (in.)	Std	5/8	5/8	5/8
	Alt	5/8	—	7/8
Fan Pulley Pitch Diameter (in.)	High-Static	7/8	7/8	7/8
	Std	7.0	7.0	7.0
	Alt	7.0	—	7.0
	High-Static	8.0	8.0	5.8
Belt, Quantity...Type...Length (in.)	Std	1...A...49	1...A...49	1...A...49
	Alt	1...A...49	—	1...A...49
	High-Static	1...A...55	1...A...55	1...BX...46
Pulley Center Line Distance (in.)	Std	16.75-19.25	16.75-19.25	15.85-17.50
	Alt	15.75-19.25	—	15.85-17.50
Speed Change per Full Turn of	High-Static	15.75-19.25	16.75-19.25	15.85-17.50
Movable Pulley Flange (rpm)	Std	50	50	50
	Alt	50	—	50
Movable Pulley Maximum Full Turns	High-Static	60	60	60
From Closed Position	Std	5	5	5
	Alt	5	—	5
	High-Static	5	5	6
Factory Setting	Std	5	5	5
	Alt	5	—	5
	High-Static	5	5	5
Factory Speed Setting (rpm)	Std	590	685	685
	Alt	685	—	835
Fan Shaft Diameter at Pulley (in.)	High-Static	860	860	887
		1	1	1
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief (Differential)			450 ± 50
Cutout			428
Reset (Auto.)			320
LOSS-OF-CHARGE SWITCH (psig)
Cutout			7 ± 3
Reset (Auto.)			22 ± 5
FREEZE-PROTECTION THERMOSTAT (F)
Opens			30 ± 5
Closes			45 ± 5
OUTDOOR-AIR INLET SCREENS			Cleanable
Quantity...Size (in.)			1...20 x 25 x 1
			1...16 x 25 x 1
RETURN-AIR FILTERS			Throwaway
Quantity...Size (in.)		4...16 x 20 x 2	4...16 x 20 x 2	4...20 x 20 x 2

LEGEND

Bhp — Brake Horsepower *Weight of 14-in. roof curb.

NOTE: The 548F units have a loss-of-charge switch located in the liquid line.

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