Figure 12 Fan Blade Setting; Fan Blade Setting Dimensions; R-410A Refrigerant Charge; Removal Of Fan Shroud - Bard J18AA-A Installation Instructions Manual

Wall mounted packaged air conditioner
Table of Contents

Advertisement

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
J18AA/J18LA
J24AA/J24LA
J30AA/J30LA
J36AA/J36LA
J42AA/J42LA
J48AA/J48LA
J60AB/J60LB
J72AB/J72LB
Manual 2100-651D
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 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.
.

Advertisement

Table of Contents
loading

Table of Contents