Bard WA301, WA361 Troubleshooting, FAN Blade Setting Dimensions, Removal of FAN Shroud

Page 17

TROUBLESHOOTING

FAN BLADE SETTING DIMENSIONS

Shown in the drawing below are the correct fan blade setting dimensions for proper air delivery across the outdoor coil.

Any service work requiring removal or adjustment in the fan and/or motor area will require that the dimensions below be checked and blade adjusted in or out on the motor shaft accordingly.

FIGURE 10

FAN BLADE SETTING

TABLE 7

FAN BLADE DIMENSION

Model

Dimension A

 

 

WA301

1.25

WA361

 

REMOVAL OF FAN SHROUD

1.Disconnect all power to unit.

2.Remove the screws holding both grills, one on each side of unit, and remove grills.

3.Remove screws holding fan shroud to condenser and bottom – 9 screws.

4.Unwire condenser fan motor.

5.Slide complete motor, fan blade, and shroud assembly out the left side of the unit.

6.Service motor/fan as needed.

7.Reverse steps to reinstall.

REFRIGERANT CHARGE

The correct system R-22 charge is shown on the unit rating plate. Optimum unit performance will occur with a refrigerant charge resulting in a suction line temperature (6 inches from compressor) as shown in Table 8.

TABLE 8

SUCTION LINE TEMPERATURES

 

Rated

95° F

82° F

Model

Airflow

OD Temp.

OD Temp.

 

 

 

 

WA301

1,100

55 - 57

64 - 66

 

 

 

 

WA361

1,100

57 - 59

62 - 64

The suction line temperatures in Table 8 are based upon 80ºF dry bulb/67ºF wet bulb (50 percent R.H.) temperature and rated airflow across the evaporator during cooling cycle.

TABLE 9

INDOOR BLOWER PERFORMANCE

CFM AT 230 VOLTS

 

 

WA301, WA361

 

 

 

 

 

 

E.S.P.

High Speed

Low Speed

 

 

 

 

In H2O

Dry Coil

Wet Coil

Dry Coil

Wet Coil

.0

1,395

1,315

950

935

.1

1,340

1,270

930

915

 

 

 

 

 

.2

1,285

1,190

910

885

.3

1,205

1,100

855

830

 

 

 

 

 

.4

1,110

1,000

800

755

 

 

 

 

 

.5

1,005

870

---

---

 

 

 

 

 

TABLE 10

RATED CFM AND ESP

 

1

1

 

Model

Rated

Rated

Recommended

CFM

ESP

Airflow Range

WA301

1,000

.40

930 - 1,300

WA361

1,100

.30

930 - 1,350

1Rated CFM and ESP on high speed tap

Manual 2100-192 Page 15

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Contents Wall Mounted Installation Packaged Instructions AIR ConditionerBard Manufacturing Company Bryan, OhioContents For More INFORMATION, Contact These Publishers Getting Other Information and PublicationsAIR Conditioner Wall Mount Model Nomenclature Electrical SpecificationsWall Mount General Information Front View Side View Back View Electric Heat Table General Shipping DamageDuct Work FiltersCondensate Drain Fresh AIR Damper AssemblyFresh AIR Intake Wiring Main Power Installation InstructionsWall Mounting Information Mounting the UnitThermostat Wire Size Wiring LOW Voltage WiringOperating Voltage Range Wall Thermostat and Subbase CombinationsElectric Heat Clearance Mounting InstructionsWALL-MOUNTING Instructions Common WALL-MOUNTING Installations LOW Voltage Wiring Start UP Pressure Service Ports FAN Blade Setting Dimensions TroubleshootingRemoval of FAN Shroud Refrigerant ChargeMaximum ESP of Operation Electric Heat only Cooling Pressure Outdoor Temperature FWA301-A WA301-B WA301-C WA361-A WA361-B WA361-C Optional Accessories

WA301, WA361 specifications

The Bard WA361 and WA301 are two advanced wall-mounted air conditioning systems designed for commercial and residential use. These units are engineered to provide efficient cooling and heating while optimizing energy consumption.

One of the standout features of the Bard WA361 and WA301 models is their compact design. This allows for easy installation in various spaces where traditional floor-mounted units may not fit. Ideal for areas such as classrooms, offices, or small retail locations, these units can be mounted high on the wall, freeing up valuable floor space.

Both models leverage Bard’s advanced heat pump technology. This technology allows for reverse-cycle functionality, meaning they can provide both cooling in summer and heating in winter. The WA361 model offers a heating capacity of up to 36,000 BTUs while the WA301 provides a slightly lower capacity of 30,000 BTUs, making them suitable for different size requirements.

Energy efficiency is prioritized in these models. They come equipped with high Seasonal Energy Efficiency Ratings (SEER), which ensures lower electric bills and reduced environmental impact. Additionally, the units have been designed to operate quietly, maximizing comfort without the disruptive noise often associated with HVAC systems.

Another notable characteristic is the advanced control system. The Bard WA361 and WA301 feature programmable thermostats that allow users to set specific comfort levels according to their schedules. This not only enhances user control but also boosts energy-saving potential.

Moreover, both models are built with durable materials to ensure longevity and reliability. Their internal components are engineered to withstand harsh conditions, making them a preferred choice for various settings, including industrial environments.

Bard emphasizes ease of maintenance in the design of these units. The filters are easily accessible and can be replaced or cleaned with minimal effort. This feature significantly extends the lifespan of the unit and ensures that it operates at peak performance.

In summary, the Bard WA361 and WA301 air conditioning units represent a blend of innovative technology and practical design. Their energy-efficient operation, compact installation capability, and advanced heating and cooling functions make them exemplary solutions for those seeking reliable comfort control in diverse applications. Whether for small businesses or residential spaces, these units aim to deliver exceptional performance with a focus on sustainability and efficiency.