Bard w17a2 Troubleshooting, Fan Blade Setting Dimensions, Refrigerant Charge, R-410A, Airflow A

Models: w17a2

1 26
Download 26 pages 40.89 Kb
Page 18
Image 18
TROUBLESHOOTING

TROUBLESHOOTING

FAN BLADE SETTING DIMENSIONS

Shown in Figure 8 is the correct fan blade setting for proper air delivery across the outdoor coil. Refer to Table 1 for unit specific dimension.

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 8

FAN BLADE SETTING

AIRFLOW

"A"

MIS-1724

TABLE 1

FAN BLADE DIMENSION

Model

Dimension

A

 

W17A2 / W17L2

 

W18A2 / W18L2

1.00"

W24A2 / W24L2

 

W30A2 / W30L2

1.25"

W36A2 / W36L2

 

W42A2 / W42L2

 

W48A2 / W48L2

1.75"

W60A2 / W60L2

 

W70A2 / W70L2

 

R-410A

REFRIGERANT CHARGE

This unit was charged at the factory with the quantity of refrigerant listed on the serial plate. AHRI capacity and efficiency ratings were determined by testing with this refrigerant charge quantity.

The following pressure tables show nominal pressures for the units. Since many installation specific situations can affect the pressure readings, this information should only be used by certified technicians as a guide for evaluating proper system performance. They shall not be used to adjust charge. If charge is in doubt, reclaim, evacuate and recharge the unit to the serial plate charge.

REMOVAL OF FAN SHROUD

1.Disconnect all power to the unit.

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

3.Remove screws holding fan shroud to condenser and bottom. Nine (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.

Manual

2100-581B

Page

18 of 26

Page 18
Image 18
Bard w17a2 Troubleshooting, Fan Blade Setting Dimensions, Refrigerant Charge, Removal Of Fan Shroud, R-410A, Airflow A