551B,C

 

0.35

 

 

 

 

 

 

 

0.3

 

 

 

 

 

 

 

0.25

 

 

 

 

 

 

WG

0.2

 

 

 

 

 

 

P IN.

 

 

 

 

 

 

 

 

 

 

 

 

 

DELTA

0.15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

0.05

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

1000

2000

3000

4000

5000

6000

4 & 5 ton

6 ton

3 ton

C06133

Fig. 39 ---Perfect Humidityt Adaptive Dehumidification System Static Pressure Drop (in. wg)

Fig. 40 ---Belt Drive Motor Mounting

 

C06134

 

Fig. 41 ---Evaporator-Fan Pulley Adjustment

C06041

 

 

 

 

 

 

Table 8—551B, 551C Fan Rpm at Motor Pulley Setting With Standard Motor*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

 

 

 

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

 

551B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

551C

0

1/2

1

 

11/2

 

2

21/2

3

31/2

4

41/2

5

51/2

6

024

936

906

876

 

846

 

816

786

756

726

696

666

639

036

1044

1008

971

 

935

 

898

862

826

789

753

716

680

048

1185

1144

1102

 

1061

 

1019

978

936

895

853

812

770

060

1460

1425

1389

 

1354

 

1318

1283

1248

1212

1177

1141

1106

1070

1035

072

1585

1538

1492

 

1445

 

1399

1352

1305

1259

1212

1166

1119

*Approximate fan rpm shown (standard motor/drive).

Table 9—551B, 551C Fan Rpm at Motor Pulley Setting With High-Static Motor*

UNIT

 

 

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

 

 

0

1/

1

11/

2

 

21/

3

31/

 

4

41/

5

51/

6

 

 

2

 

2

 

 

2

 

2

 

 

2

 

2

 

036

1455

1423

1392

1360

1328

 

1297

1265

1233

 

1202

1170

1138

1107

1075

048

1455

1423

1392

1360

1328

 

1297

1265

1233

 

1202

1170

1138

1107

1075

060

1685

1589

1557

1525

1493

 

1460

1428

1396

 

1364

1332

1300

072

1685

1589

1557

1525

1493

 

1460

1428

1396

 

1364

1332

1300

*Approximate fan rpm shown (high-static motor/drive).

32

Page 32
Image 32
Bryant 551B, 551C installation instructions Unit Motor Pulley Turns Open

551C, 551B specifications

The Bryant 551B and 551C are two highly efficient air conditioning units designed to provide optimal comfort in residential settings. Known for their reliability and performance, these models are part of Bryant's esteemed line of heating and cooling solutions.

One of the standout features of the Bryant 551B is its two-stage cooling system, which allows for better humidity control and increased comfort. This ensures that homeowners can enjoy consistent temperatures while reducing energy consumption. The unit operates quietly, thanks to its noise-reducing technology, making it an ideal choice for bedrooms and living spaces.

On the other hand, the Bryant 551C builds upon this foundation with its variable-speed compressor. This technology allows the unit to adjust its cooling output according to the specific needs of the home. This results in seamless operation and even greater energy efficiency. Both models also incorporate Bryant's advanced control capabilities, which allow users to monitor and adjust settings remotely via smart devices, adding a layer of convenience and modernity to home climate control.

With an emphasis on durability, both the 551B and 551C feature a galvanized steel cabinet that protects against weather-related damage. The powder coat finish further enhances their resistance to rust and corrosion, ensuring a long lifespan and minimal maintenance.

Another significant characteristic of these units is their excellent Seasonal Energy Efficiency Ratio (SEER) ratings. The 551B boasts a SEER rating of up to 16, while the 551C takes it even further with ratings exceeding 20. This efficiency not only translates to lower energy bills for homeowners but also contributes to a reduced carbon footprint, making these units environmentally friendly options.

Both models are also designed to operate with eco-friendly refrigerants, aligning with modern energy standards and regulations aimed at reducing greenhouse gas emissions.

In summary, the Bryant 551B and 551C are exemplary choices for homeowners looking for reliable, efficient, and high-performing air conditioning solutions. With features such as two-stage and variable-speed compressors, advanced smart technology, and robust construction, these models stand out in the competitive HVAC market. They promise a comfortable indoor environment along with significant energy savings, making them a wise investment for the future.