Bard WA121 - Troubleshooting; Fan Blade Setting Dimensions; Refrigerant Charge and Suction Line Temperature

Manual 2100-234I
Page 16 of 17
TROUBLESHOOTING
FAN BLADE SETTING DIMENSIONS
Show in Figure 8 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 dimension
below be checked and blade adjusted in or out on the
motor shaft accordingly.
FIGURE 8
FAN BLADE SETTING DIMENSION
ledoMAnoisnemiD
121AW"2/1
TABLE 5
FAN BLADE DIMENSION
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.
ledoM
detaR
wolfriA
59
o
DO
erutarepmeT
28
o
DO
erutarepmeT
121AW00465-4576-56
TABLE 6
SUCTION LINE TEMPERATURE
The suction line temperatures in Table 6 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 7
INDOOR BLOWER
PERFORMANCE
CFM @ 230V
.P.S.E
Hni
2
O
121AW
V032
/yrDteW
0.
1.
2.
3.
4.
/035
/584
/044
/093
/523
005
064
524
573
003
ledoM
detaR
*MFC
detaR
*PSE
dednemmoceR
egnaRwolfriA
121AW00452.003-005
TABLE 8
RATED CFM AND ESP
RECOMMENDED AIRFLOW RANGE
* Rated CRM and ESP on high speed tap.
TABLE 9
MAXIMUM ESP OF OPERATION
ELECTRIC HEAT ONLY
Values shown are for units equipped with STD
1" throwaway filters. Derate ESP by .15 for 2"
pleated filters.
ledoMPSE
00A-121AW
30A
50A
53.
53.
53.
00K-121AW
20K
53.
53.
00G-121AW
20G
30G
53.
53.
53.