Typical Wiring Schematics 581B | Bryant 581A/B instruction

TYPICAL WIRING SCHEMATICS — 581B (cont)

581B036-150

a48-7910

LEGEND	NOTE:		ECONOMIZER NOTES:
IAQ — Indoor Air Quality	Potentiometer Defaults Settings:		1.	620 ohm, 1 watt 5% resister should be removed only when using differential
	Power Exhaust	Middle		enthalpy or dry bulb.
LA — Low Ambient Lockout Device
	Minimum Pos.	Fully Closed	2.	If a separate field supplied 24v transformer is used for the IAQ sensor
POT — Potentiometer
	DCV Max.	Middle		power supply, it cannot have the secondary of the transformer grounded.
OAT — Outdoor-Air Temperature
	DCV Set	Middle	3.	For field installed remote minimum position POT, remove black wire jumper
RAT — Return-Air Temperature
	Enthalpy	C Setting		between P and P1 and set control minimum position POT to the minimum

position.

EconoMi$er IV Wiring — 581B036-150 Units

			BLACK	4
				4
				3
				5
			BLUE	2
				2
	500 OHM			8
	RESISTOR			8
		VIOLET		6
NOTE 1				6
NOTE 1
		PINK		7
	RUN			7
	RUN
	-		RED	1
NOTE 2	-			1
	+			10
50HJ540573				10
50HJ540573	SENSOR 4 - 20 mA	YELLOW
ACTUATOR	SENSOR 4 - 20 mA	YELLOW		11
ASSEMBLY	OPTIONAL CO2			11
	OPTIONAL CO2
	OUTPUT			9
	DIRECT DRIVE		WHITE	12
	ACTUATOR			12

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NOTES:

ECONOMISER2 PLUG

1.Switch on actuator must be in run position for economizer to operate.

2.50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

EconoMi$er2 Wiring — 581B036-150 Units

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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 Typical Wiring Schematics 581B, EconoMi$er IV Wiring 581B036-150 Units

Models: 581A/B