INDEX

579F180-300 section

144-171, 250-254

Evaporator fan motor

 

Power exhaust

 

580F036-151 section

20-82, 139-143

Efficiency

 

 

579F180-300

149, 163

580F180-300 section

172-196, 250-254

579F180-300

165

 

580F036-151

72, 74

581A155-300 section

197-258

580F036-151

72

 

580F180-300

179, 190

581B036-150 section

83-143

580F180-300

191

 

581A155-300

204, 240

Airflow

 

 

 

581A155-300

240

 

581B036-150

130, 132

Configuration

263

 

581B036-150

128

 

Roof curb dimensions

Maximum

263

 

Performance

 

 

579F180-300

148

Minimum

263

 

579F180-300

165

 

580F036-073

30

Altitude compensation

 

580F036-151

73

 

580F090-151

31

579F180-300

163,164

580F180-300

191

 

580F180-300

177, 178

580F036-151

71

 

581A155-300

241, 243

 

581A155-300

203, 206

580F180-300

190

 

581B036-150 (high-static motor)

131

581B036-072

89

581A155-300

240

 

581B036-150 (standard motor)

131

581B090-150

90

581B036-150

127

 

Fan performance tables

 

Selection procedure

Altitude derating

 

 

579F180-300 160-162

 

579F180-300

151

factor 71, 127, 163, 190, 240

580F036-151 37-69

 

580F036-151

32

Application data

263-266

580F180-300 184-189

 

580F180-300

181

ARI capacity ratings

 

581A155-300 218-239

 

581A155-300

91

579F180-300

12

 

581B036-150 103-126

 

581B036-150

207

580F036-151

8, 9

 

Fan RPM at motor pulley settings

 

Service options

3

580F180-300

13

 

579F180-300

164

 

Sound data

 

581A155-300

14, 15

 

580F036-151

71

 

579F180-300

164

581B036-150

10, 11

 

580F180-300

191

 

580F036-151

70

Barometric relief

 

 

581A155-300

241, 242

 

580F180-300

190

580F036-151

72

 

581B036-150

127

 

581A155-300

241, 242

581B036-150

130

 

Features/Benefits

1-4

 

581B036-150

128

Changeover, heating to cooling 263

Field-supplied fan drives

263

Static pressure drop

Concentric duct details

264

Guide specifications

 

 

Economizer

 

Condenser coil protection

263, 264

036-151 size units

139-143

579F180-300

164

Controls

259-262

 

155-300 size units

250-258

580F036-151

70

Convenience outlet 19, 81, 137, 150, 180, 205

High altitudes

263

 

 

580F180-300

191

Convert vertical to horizontal discharge 3

Hinged panels

19

 

 

581A155-300

241, 243

Cooling capacities

 

Indoor Air Quality (IAQ)

4

581B036-150

128

579F180-300 152-159

 

Maximum operating temperature 263

Perfect Humidity

 

580F036-151 33-36

 

Minimum ambient operating

581B036-151

129

580F180-300

182, 183

 

temperature

263

 

 

Thermostat

 

581A155-300 208-217

 

Minimum temperature

263

Wiring 263

 

581B036-150 92-102

 

Model number nomenclature

Application data

263

Dimensions

 

 

579F180-300

6

 

 

Thru-the-bottom connections 263

Accessory

 

 

 

580F036-151

5

 

 

Unit-mounted disconnect 19, 81, 137, 150,

579F180-300 148-150

580F180-300

6

 

 

170, 180, 195, 205

580F036-151

30, 31

 

581A155-300

7

 

 

Wiring

 

580F180-300 177-180

581B036-150

5

 

 

579F180-300 167-170

581A155-300 203-206

Motormaster® options

19

580F036-151 79-81

581B036-150

89, 90

 

Options and accessories

16-19

580F180-300 193-195

Base unit

 

 

 

Perfect Humidity™ dehumidification

581A155-300

247, 248

579F180-300

146, 147

package 4, 95-102

 

 

581B036-150

135-137

580F036-151 26-29

 

Performance data

 

 

 

 

 

580F180-300 174-176

579F180-300

152-165

 

 

 

581A155-300

201, 202

580F036-151

33-74

 

 

 

581B036-150

87, 88

 

580F180-300

182-191

 

 

 

Drain pan

263

 

 

581A155-300 208-243

 

 

 

Ductwork

263

 

 

581B036-150 92-132

 

 

 

EconoMi$er IV 19, 72, 80, 130, 136, 169, 194,

Physical data

 

 

 

 

 

248, 264-266

 

 

579F180-300

144, 145

 

 

 

EconoMi$er2 19, 72, 80, 130, 136, 169,

580F036-151

20-25

 

 

 

194, 248

 

 

 

580F180-300

172, 173

 

 

 

Outdoor air leakage

 

581A155-300 197-200

 

 

 

580F036-151

72

 

581B036-150 83-86

 

 

 

581B036-150

130

 

Piping and wiring

 

 

 

 

Electrical data

 

 

579F180-300

171

 

 

 

 

579F180-300

166

 

580F036-151

82

 

 

 

 

580F036-151 75-78

 

580F180-300

196

 

 

 

 

580F180-300

192

 

581A155-300

249

 

 

 

 

581A155-300 244-246

 

581B036-150

138

 

 

 

 

581B036-150

133, 134

 

 

 

 

 

 

 

267

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Image 267
Bryant 581A/B manual Index, 267

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.