Bryant 558D installation instructions Ð Specications

Table 1 Ð Speci®cations

BASE UNIT 558D		036	048	060	072
NOMINAL CAPACITY (tons)		3	4	5	6
OPERATING WEIGHT (lb)
Unit		365	375	395	470
Durablade Economizer		34	34	34	34
PARABLADE Economizer		42	42	42	42
Roof Curb		115	115	115	115
COMPRESSOR TYPE		Reciprocating	Reciprocating	Reciprocating	Scroll
Quantity		1	1	1	1
Oil (oz)		50	50	50	54
REFRIGERANT TYPE			R-22
Operating Charge (lb-oz)		3-6	5-8	7-0	7-11
CONDENSER COIL		Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/in.		1...17	1...17	2...17	2...17
Total Face Area (sq ft)		7.36	13.19	10.42	10.42
CONDENSER FAN			Propeller Type
Nominal Cfm		3500	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
EVAPORATOR COIL		Enhanced Copper Tubes, Aluminum Double-Wavy Fins
Rows...Fins/in.		2...15	2...15	3...15	4...15
Total Face Area (sq ft)		4.17	5.5	5.5	5.5
EVAPORATOR 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	Ð
Type Drive	Std	Direct	Direct	Direct	Belt
	Alt	Belt	Belt	Belt	Ð
Nominal Cfm	Std	1200	1600	2000	2400
	Alt	1200	1600	2000	Ð
Maximum Continuous Bhp	Std	.34	.75	1.20	2.40
	Alt	1.00	1.00	1.3/2.4*	Ð
Motor Frame Size	Std	48	48	48	56
	Alt	48	48	48/56*	Ð
Nominal Rpm High/Low	Std	860/800	1075/970	1075/970	Ð
	Alt	Ð	Ð	Ð	Ð
Fan Rpm Range	Std	Ð	Ð	Ð	1070-1460
Motor Bearing Type	Alt	760-1090	840-1185	900-1300	Ð
		Ball	Ball	Ball	Ball
Maximum Allowable Rpm		2100	2100	2100	2100
Motor Pulley Pitch Diameter Min/Max (in.)	Std	Ð	Ð	Ð	2.8/3.8
	Alt	1.9/2.9	1.9/2.9	2.4/3.4	Ð
Nominal Motor Shaft Diameter (in.)	Std	1¤2	1¤2	1¤2	5¤8
	Alt	1¤2	1¤2	5¤8	Ð
Fan Pulley Pitch Diameter (in.)	Std	Ð	Ð	Ð	4.5
	Alt	4.5	4.0	4.5	Ð
Belt, Quantity...Type...Length (in.)	Std	Ð	Ð	Ð	1...A...40
	Alt	1...A...39	1...A...36	1...A...39	Ð
Pulley Center Line Distance (in.)	Std	Ð	Ð	Ð	14.7-15.5
	Alt	10.0-12.4	10.0-12.4	14.7-15.5	Ð
Speed Change per Full Turn of	Std	Ð	Ð	Ð	80
Movable Pulley Flange (rpm)	Alt	65	70	80	Ð
Movable Pulley Maximum Full Turns	Std	Ð	Ð	Ð	5
From Closed Position	Alt	5	5	5	Ð
Factory Setting	Std	Ð	Ð	Ð	3
	Alt	3	3	3	Ð
Factory Speed Setting (rpm)	Std	Ð	Ð	Ð	1225
Fan Shaft Diameter at Pulley (in.)	Alt	890	980	1060	Ð
		5¤8	5¤8	5¤8	5¤8
HIGH-PRESSURE SWITCH (psig)²
Standard Compressor Internal Relief (Differential)			450 ± 50		500 ± 50
Cutout			428		428
Reset (Auto.)			320		320
LOW-PRESSURE/LOSS-OF-CHARGE SWITCH (Liquid Line)(psig)²
Cutout			7 ± 3
Reset (Auto.)			22 ± 7
FREEZE-PROTECTION THERMOSTAT (F)²
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 Ð Brake Horsepower

*Single phase units Ð 1.3 bhp/48 frame. Three phase units Ð 2.4 bhp/56 frame.

²Requires an optional or accessory controls upgrade kit.

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