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Manual 2100-509E
Page 16 of 17
TROUBLESHOOTING
FAN BLADE SETTING DIMENSIONS
Shown in Figure 7 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 7
FAN BLADE SETTING DIMENSION
TABLE 3
FAN BLADE DIMENSION
R-410A
REFRIGERANT CHARGE
This unit was charged at the factory with the quantity of
refrigerant listed on the serial plate. AHRI capacity and
efciency ratings were determined by testing with this
refrigerant charge quantity.
The following pressure tables show nominal pressures for
the units. Since many installation specic situations can
affect the pressure readings, this information should only
be used by certied 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.
TABLE 4
INDOOR BLOWER
PERFORMANCE
CFM @ 230V / 115V
TABLE 5
RATED CFM AND ESP
RECOMMENDED AIRFLOW RANGE
° Rated CFM and ESP on low speed tap.
TABLE 6
MAXIMUM ESP OF OPERATION
ELECTRIC HEAT ONLY
Values shown are for units equipped with STD
1" throwaway lters. Derate ESP by .15 for 2"
pleated lters.
Model Dimension A
W12Aà
1/2"
E.S.P.
in
H
2
O
W12Aà
230V / 115V
Dry / Wet
High
Dry / Wet
Low
.0
.1
.2
.3
.4
530 / 500
485 / 460
440 / 425
390 / 375
325 / 300
465 / 425
415 / 400
365 / 350
315 / 300
270 / 265
Model
°
Rated
CFM
°
Rated
ESP
Recommended
Airow Range
W12Aà
400 .10 500 - 300
Model ESP
W12A2-A00
A03
A05
.35
.35
.35
W12A1-K00
K02
.35
.35