Bard WA491 Air Conditioner User Manual


 
Manual 2100-398
Page 16
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.
FIGURE 9
FAN BLADE SETTING
TROUBLESHOOTING
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.
REFRIGERANT CHARGE
The correct system R-22 charge is shown on the unit
rating plate. Optimum unit performance will occur with
a refrigerant charge resulting in a suction line
temperature (6” from compressor) as shown in Table 6.
Table 7A on Page 18 for models WA381 and WA491
TABLE 5
FAN BLADE DIMENSION
ledoM
noisnemiD
A
183AW
324AW
484AW
194AW
206AW
57.1
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 6
REFRIGERANT CHARGE
ledoM
detaR
wolfriA
DO59
erutarepmeT
DO28
erutarepmeT
183AW001184-0564-84
324AW004145-2566-46
484AW055165-4576-56
194AW052164-8454-74
206AW007155-3526-06
TABLE 7
INDOOR BLOWER PERFORMANCE
CFM
@
230V
.P.S.E
HnI
2
0
484AW,324AW206AW
V032woLV032hgiHV032woLV032hgiH
lioCyrD
teW
lioC
lioCyrD
teW
lioC
lioCyrD
teW
lioC
lioCyrD
teW
lioC
0.
1.
2.
3.
4.
5.
0561
0551
0541
0531
0031
---
0061
0051
0041
0031
5711
---
5881
0771
5361
0051
0731
0521
0081
5661
0451
0041
5821
0511
0061
5251
---
---
---
---
0541
5731
---
---
---
---
0022
0012
0002
5781
5771
0561
0002
0091
0081
0071
0061
5741
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.