Physical Data, LOW Range, High Range

PHYSICAL DATA (cont)

EVAPORATOR FAN DATA — 581A210-300 VERTICAL SUPPLY/RETURN UNITS

581A		210			240			300
	203/230 and 460 V		575 V		203/230 and 460 V	575 V	203/230 and 460 V		575 V

LOW RANGE
Motor Hp	3.7		3		5	5	5		5
Motor Nominal RPM	1725		1725		1745	1745	1745		1745
Maximum Continuous Bhp	4.25		3.45		5.75	5.75	5.75		5.75
Maximum Continuous Watts	3698		3149		4900	4900	4900		4900
Motor Frame Size	56HZ		56HZ		S184T	184T	S184T		184T
Motor Shaft Diameter (in.)	7/	8	7/		11/	11/	11/	8	11/
Fan Rpm Range			8		8	8			8
	647-886		810-1072		949-1206	949-1206	805-1007		805-1007
Motor Pulley Min. Pitch Diameter (in.)	2.7		3.1		3.7	3.7	4.8		4.8
Motor Pulley Max. Pitch Diameter (in.)	3.7		4.1		4.7	4.7	6.0		6.0
Blower Pulley Pitch Diameter (in.)	7.2		6.6		6.8	6.8	10.4		10.4
Blower Pulley Shaft Diameter (in.)	1.1875		1.1875		1.1875	1.1875	1.1875		1.1875
Blower Pulley Type	Fixed		Fixed		Fixed	Fixed	Fixed		Fixed
Pulley Center Line Distance (in.)	11.293-13.544		11.286-14.475		9.81-13.055	9.81-13.055	9.81-13.055		9.81-13.055
Belt, Quantity...Type...Length (in.)	1...BX...38		1...BX...38		1...BX...38	1...BX...38	1...BX...45		1...BX...45
Speed Change Per Turn — Moveable Pulley (rpm)	48		52		51	51	40		40
Moveable Pulley Maximum Full Turns	6		6		6	6	6		6
Factory Speed Setting (rpm)	767		941		1078	1078	906		906
HIGH RANGE
Motor Hp	5		5		7.5	7.5	7.5		7.5
Motor Nominal Rpm	1745		1745		1745	1745	1745		1745
Maximum Continuous Bhp	5.75		5.75		8.63	8.63	8.63		8.63
Maximum Continuous Watts	4900		4900		7267	7267	7267		7267
Motor Frame Size	S184T		184T		S213T	S213T	S213T		S213T
Motor Shaft Diameter (in.)	11/		11/	8	13/	13/	13/	8	13/
Fan Rpm Range		8			8	8			8
	897-1139		873-1108		941-1176	941-1176	941-1176		941-1176
Motor Pulley Min. Pitch Diameter (in.)	3.7		3.7		4.8	4.8	4.8		4.8
Motor Pulley Max. Pitch Diameter (in.)	4.7		4.7		6.0	6.0	6.0		6.0
Blower Pulley Pitch Diameter (in.)	7.2		7.4		8.9	8.9	8.9		8.9
Blower Pulley Shaft Diameter (in.)	1.1875		1.1875		1.1875	1.1875	1.1875		1.1875
Blower Pulley Type	Fixed		Fixed		Fixed	Fixed	Fixed		Fixed
Pulley Center Line Distance (in.)	9.81-13.055		9.81-13.055		9.025-12.179	9.025-12.179	9.025-12.179		9.025-12.179
Belt, Quantity...Type...Length (in.)	1...BX...38		1...BX...38		1...BX...42	1...BX...42	1...BX...42		1...BX...42
Speed Change Per Turn — Moveable Pulley (rpm)	48		47		47	47	47		47
Moveable Pulley Maximum Full Turns	6		6		6	6	6		6
Factory Speed Setting (rpm)	1018		991		1059	1059	1059		1059

LEGEND

Bhp — Brake Horsepower

EVAPORATOR FAN DATA — 581A210-300 HORIZONTAL SUPPLY/RETURN UNITS

581A	210		240			300
581A	203/230 and 460 V	575 V	203/230 and 460 V	575 V		203/230 and 460 V	575 V
	203/230 and 460 V	575 V	203/230 and 460 V	575 V		203/230 and 460 V	575 V
LOW RANGE
Motor Hp	3.7	3	3.7	5		5	5
Motor Nominal Rpm	1725	1725	1725	1745		1745	1745
Maximum Continuous Bhp	4.25	3.45	4.25	5.75		5.75	5.75
Maximum Continuous Watts	3698	3149	3698	4900		4900	4900
Motor Frame Size	56HZ	56HZ	56HZ	184T		S184T	184T
Motor Shaft Diameter (in.)	7/	7/	7/	11/	8	11/	11/	8
Fan Rpm Range	8	8	8		8	8		8
Fan Rpm Range	896-1227	863-1141	896-1227	873-1108		805-1007	805-1007
Motor Pulley Min. Pitch Diameter (in.)	2.7	3.1	2.7	3.7		4.8	4.8
Motor Pulley Max. Pitch Diameter (in.)	3.7	4.1	3.7	4.7		6.0	6.0
Blower Pulley Pitch Diameter (in.)	5.2	6.2	5.2	7.4		10.4	10.4
Blower Pulley Shaft Diameter (in.)	1.1875	1.1875	1.1875	1.1875		1.1875	1.1875
Blower Pulley Type	Fixed	Fixed	Fixed	Fixed		Fixed	Fixed
Pulley Center Line Distance (in.)	11.293-13.544	11.286-14.475	11.293-13.544	9.81-13.055		9.81-13.055	9.81-13.055
Belt, Quantity...Type...Length (in.)	1...BX...35	1...BX...38	1...BX...35	1...BX...38		1...BX...45	1...BX...45
Speed Change Per Turn — Moveable Pulley (rpm)	66	56	66	47		40	40
Moveable Pulley Maximum Full Turns	6	6	6	6		6	6
Factory Speed Setting (rpm)	1062	1002	1062	991		906	906
HIGH RANGE
Motor Hp	5	5	5	5		7.5	7.5
Motor Nominal Rpm	1745	1745	1745	1745		1745	1745
Maximum Continuous Bhp	5.75	5.75	5.75	5.75		8.63	8.63
Maximum Continuous Watts	4900	4900	4900	4900		7267	7267
Motor Frame Size	S184T	184T	S184T	184T		S213T	S213T
Motor Shaft Diameter (in.)	11/	11/	11/	11/	8	13/	13/	8
Fan Rpm Range	8	8	8		8	8		8
Fan Rpm Range	1113-1414	1042-1285	1113-1414	1113-1414		941-1176	941-1176
Motor Pulley Min. Pitch Diameter (in.)	3.7	4.3	3.7	3.7		4.8	4.8		581A155
Motor Pulley Max. Pitch Diameter (in.)	4.7	5.3	4.7	4.7		6.0	6.0		581A155
Blower Pulley Pitch Diameter (in.)	5.8	7.2	5.8	5.8		8.9	8.9
Blower Pulley Shaft Diameter (in.)	1.1875	1.1875	1.1875	1.1875		1.1875	1.1875
Blower Pulley Type	Fixed	Fixed	Fixed	Fixed		Fixed	Fixed
Pulley Center Line Distance (in.)	9.81-13.055	9.81-13.055	9.81-13.055	9.81-13.055		9.025-12.179	9.025-12.179
Belt, Quantity...Type...Length (in.)	1...BX...35	1...BX...38	1...BX...35	1...BX...35		1...BX...42	1...BX...42		-300
Speed Change Per Turn — Moveable Pulley (rpm)	60	48	60	60		47	47
Moveable Pulley Maximum Full Turns	6	6	6	6		6	6
Factory Speed Setting (rpm)	1264	1164	1264	1264		1059	1059

LEGEND

Bhp — Brake Horsepower

199

581A/B specifications

The Bryant 581A/B is a sophisticated rooftop unit designed for commercial heating and cooling applications, striking a balance between performance, efficiency, and versatility. This unit is engineered to cater to various building sizes and configurations, making it an excellent choice for businesses seeking reliable climate control solutions.

One of the standout features of the Bryant 581A/B is its high efficiency. With SEER ratings reaching up to 14.5, this unit can significantly reduce energy costs while providing optimal performance throughout its operational lifespan. The design incorporates advanced compressor technology, allowing for variable speed operation that not only enhances comfort but also promotes energy savings by adjusting to the real-time demands of the environment.

The Bryant 581A/B also integrates cutting-edge refrigerant technology. Utilizing Puron refrigerant, it adheres to current environmental standards, minimizing its impact on ozone depletion while maximizing cooling performance. This commitment to sustainability is complemented by energy-efficient components, including high-efficiency coils and fan motors, which further optimize energy consumption.

In terms of construction, the Bryant 581A/B is built to withstand the rigors of outdoor installation. The unit features a rugged cabinet design with durable, corrosion-resistant materials, ensuring long-term reliability even in challenging weather conditions. Additionally, the easily accessible components simplify maintenance, reducing downtime for businesses.

The functionality of the Bryant 581A/B extends beyond mere cooling and heating. It is equipped with advanced control systems that can be interfaced with building management systems, allowing for seamless integration and enhanced control over indoor climate. This technology provides operators with the ability to monitor and adjust settings remotely, ensuring a comfortable indoor environment while optimizing energy use.

Noise reduction is another important characteristic of the Bryant 581A/B. The unit is designed with sound-dampening features, making it suitable for applications where low noise levels are a priority, such as retail spaces or office buildings.

Overall, the Bryant 581A/B is a robust solution for businesses seeking efficient, reliable, and flexible climate control. Its combination of advanced technology, durable construction, and user-friendly features make it a leading choice in the commercial HVAC market.

Bryant 581A/B manual Physical Data, LOW Range, High Range

Models: 581A/B

PHYSICAL DATA (cont)

LOW RANGE

HIGH RANGE

-300

581A/B specifications