TROUBLESHOOTING
FAN BLADE SETTING DIMENSIONS
Shown in Figure 10 is the correct fan blade setting dimension 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.
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.
FIGURE 10
FAN BLADE SETTING
TABLE 5
FAN BLADE DIMENSION
| Dimension |
Model | A |
|
|
WA421 |
|
WA482 | 1.75 |
WA602 |
|
|
|
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.
REFRIGERANT CHARGE
The correct system
TABLE 6
REFRIGERANT CHARGE
| Rated | 95 OD | 82 OD |
Model | Airflow | Temperature | Temperature |
|
|
|
|
WA421 | 1400 | 52 - 54 | 64 - 66 |
|
|
|
|
WA482 | 1550 | 54 - 56 | 65 - 67 |
|
|
|
|
WA602 | 1700 | 53 - 55 | 60 - 62 |
|
|
|
|
The suction line temperatures in table above are based upon
80° F dry bulb / 67° F wet bulb (50% R.H.) temperature and rated airflow across the evaporator during cooling cycle.
TABLE 7
INDOOR BLOWER PERFORMANCE
CFM @ 230V
|
| WA421, WA482 |
|
| WA602 |
| ||
|
|
|
|
|
|
|
|
|
E.S.P. | Low 230V | High 230V | Low 230V | High 230V | ||||
|
|
|
|
|
|
|
| |
In H20 | Dry Coil | Wet Coil | Dry Coil | Wet Coil | Dry Coil | Wet Coil | Dry Coil | Wet Coil |
.0 | 1650 | 1600 | 1885 | 1800 | 1600 | 1450 | 2200 | 2000 |
.1 | 1550 | 1500 | 1770 | 1665 | 1525 | 1375 | 2100 | 1900 |
.2 | 1450 | 1400 | 1635 | 1540 |
|
| 2000 | 1800 |
.3 | 1350 | 1300 | 1500 | 1400 |
|
| 1875 | 1700 |
.4 | 1300 | 1175 | 1370 | 1285 |
|
| 1775 | 1600 |
.5 | - - - | - - - | 1250 | 1150 |
|
| 1650 | 1475 |
|
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Manual
