Manual 2100-689H
Page
27 of 42
FIGURE 13
Fan Blade Setting
TABLE 9
Fan Blade Dimensions
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 table shows 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 nine screws holding fan shroud to
condenser and bottom.
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.
"A"
AIRFLOW
MIS-1724
Model
Dimension
A
W18AB/W18LB
W24AB/W24LB
1.00"
W30AB/W30LB
W36AB/W36LB
1.25"
Fan Blade Setting Dimensions
Shown in Figure 13 is the correct fan blade setting
for proper air delivery across the outdoor coil. Refer to
Table 9 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.
