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FAN BLADE SETTING DIMENSIONS
Shown in Figure 12 is the correct fan blade setting for
proper air delivery across the outdoor coil. Refer to
Table 5 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 12
Fan Blade Setting
AIRFLOW
MIS-1724
TABLE 5
Fan Blade Dimension
Model
W18AA/W18LA
W24AA/W24LA
W30AA/W30LA
W36AA/W36LA
W42AA/W42LA
W48AA/W48LA
W60AB/W60LA
W72AB/W72LB
Manual 2100-640I
Page
24 of 32
"A"
Dimension
A
1.00"
1.25"
1.75"
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.
.
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