Manual 2100-790
Page
36 of 49
FIGURE 13
Fan Blade Setting
TABLE 10
Fan Blade Dimension
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 re-install.
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 pressure tables on the following pages 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
.
"A"
AIRFLOW
MIS-1724
Model
Dimension
A
W18HY
1.00"
W24HY
0.75"
W30HY
W36HY
1.25"
Fan Blade Setting Dimensions
The correct fan blade setting for proper air delivery
across the outdoor coil is shown in Figure 13. Refer to
Table 10 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.
