Bryant Physical Data, 548F036-120, 548F036-072, Hermetic, R-22, Propeller Type, Cleanable

PHYSICAL DATA

548F036-072

UNIT SIZE 548F		036	048		060	072
NOMINAL CAPACITY (tons)		3	4		5	6
OPERATING WEIGHT (lb)
Unit		500	520		550	590
Economizer
Durablade		34	34		34	34
EconoMi$er		47	47		47	47
Roof Curb*		115	115		115	115
COMPRESSOR				Hermetic
Quantity		1	1		1	1
Oil (oz)		45	54		50	54
REFRIGERANT TYPE				R-22
Operating Charge (lb-oz)
Circuit 1		5-1	6-0		8-0	11-2
Circuit 2		—	—		—	—
OUTDOOR COIL		Enhanced Copper Tubes, Aluminum Lanced Fins, Fixed Orifice Metering Device
Rows...Fins/in.		1...17	1...17		2...17	2...17
Total Face Area (sq ft)		10.31	14.58		12.25	16.53
OUTDOOR FAN				Propeller Type
Nominal Cfm		4000	4000		4000	4000
Quantity...Diameter (in.)		1...22.0	1...22.0		1...22.0	1...22.0
Motor Hp...Rpm		1/4...1100	1/4...1100		1/4...1100	1/4...1100
Watts Input (Total)		325	325		325	325
INDOOR COIL		Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Fixed Orifice Metering Device
Rows...Fins/in.		2...15	2...15		3...15	3...15
Total Face Area (sq ft)		4.2	4.2		5.5	5.5
INDOOR FAN				Centrifugal Type
Quantity...Size (in.)	Std	1...10 x 10	1...10 x 10		1...11 x 10	1...10 x 10
	Alt	1...10 x 10	1...10 x 10		1...10 x 10	—
	High-Static	1...10 x 10	1...10 x 10		1...10 x 10	1...10 x 10
Type Drive	Std	Direct	Direct		Direct	Belt
	Alt	Belt	Belt		Belt	—
Nominal Cfm	High-Static	Belt	Belt		Belt	Belt
		1200	1600		2000	2400
Maximum Continuous Bhp	Std	.34	.75		1.20	2.40
	Alt	1.00	1.00		1.30/2.40†	—
	High-Static	2.40	2.40		2.90	2.90
Motor Frame Size	Std	48	48		48	56
	Alt	48	48		56	—
	High-Static	56	56		56	56
Nominal Rpm High/Low	Std	860/800	1075/970		1075/970	—
	Alt	1620	1620		1725	—
	High-Static	1725	1725		1725	1725
Fan Rpm Range	Std	—	—		—	1070-1460
	Alt	760-1000	835-1185		900-1300	—
Motor Bearing Type	High-Static	1075-1455	1075-1455		1300-1685	1300-1685
		Ball	Ball		Ball	Ball
Maximum Allowable Rpm		2100	2100		2100	2100
Motor Pulley Pitch Diameter Min/Max (in.)	Std	—	—		—	2.8/3.8
	Alt	1.9/2.9	1.9/2.9		2.4/3.4	—
	High-Static	2.8/3.8	2.8/3.8		3.4/4.4	3.4/4.4
Nominal Motor Shaft Diameter (in.)	Std	1/2	1/2		1/2	5/8
	Alt	1/2	1/2		5/8	—
Fan Pulley Pitch Diameter (in.)	High-Static	5/8	5/8		5/8	5/8
	Std	—	—		—	4.5
	Alt	4.5	4.0		4.5	—
	High-Static	4.5	4.5		4.5	4.5
Belt, Quantity...Type...Length (in.)	Std	—	—		—	1...A...40
	Alt	1...A...34	1...A...34		1...A...39	—
	High-Static	1...A...39	1...A...39		1...A...40	1...A...40
Pulley Center Line Distance (in.)	Std	—	—		—	14.7-15.5
	Alt	10.0-12.4	10.0-12.4		14.7-15.5	—
Speed Change per Full Turn of	High-Static	10.0-12.4	10.0-12.4		14.7-15.5	14.7-15.5
		—	—		—	80
Movable Pulley Flange (rpm)	Std
	Alt	48	70		80	—
Movable Pulley Maximum Full Turns	High-Static	65	65		60	60
		—	—		—	5
From Closed Position	Std
	Alt	5	5		5	—
	High-Static	6	6		5	5
Factory Setting	Std	—	—		—	3
	Alt	3	3		3	—
Factory Speed Setting (rpm)	High-Static	31/2	31/2		31/2	31/2
	Std	—	—		—	1225
	Alt	856	975		1060	—
Fan Shaft Diameter at Pulley (in.)	High-Static	1233	1233		1396	1396
		5/8	5/8		5/8	5/8
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 ± 7
FREEZE-PROTECTION THERMOSTAT (F)
Opens				30 ± 5
Closes				45 ± 5
OUTDOOR-AIR INLET SCREENS				Cleanable
Quantity...Size (in.)				1...20 x 24 x 1
RETURN-AIR FILTERS				Throwaway
Quantity...Size (in.)				2...16 x 25 x 2

LEGEND

Bhp — Brake Horsepower

*Weight of 14-in. roof curb.

†Single phase/three phase.

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

548F036-120

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