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Blower Performance Data - Whirlpool WGFM195 Installation Instructions Manual

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Table of Contents
Symptoms of
Abnormal
Associated
Operation
LED Code Fault Description Possible Causes
Normal furnace
7 flashes
operation.
Integrated
control module
diagnostic LED
is flashing
7 flashes.
No furnace
8 flashes
operation
Integrated
control module
diagnostic LED
is flashing
8 flashes.
Induced draft
Continuous
blower runs
flashes
continuously.
No furnace
operation.
Integrated
control module
diagnostic LED
is flashing
continuously.

Blower Performance Data

CFM and Temperature Rise vs. External Static Pressure
Model—Heating
Motor
Speed as Shipped
Speed
WGFM1950453BXA
High
(MED-HI)
Med
Med-Lo
Low
WGFM1950703BXA
High
(MED-HI)
Med
Med-Lo
Low
42
Flame sense
Flame sensor is coated/
microamp signal
oxidized.
is low.
Flame sensor incorrectly
positioned in burner
flame.
Lazy burner flame due to
improper gas pressure
or combustion air.
Problem with
Improperly connected
igniter circuit.
igniter.
Bad igniter.
Poor unit ground.
Poor burner ground.
Faulty integrated control
module.
Polarity of 115-
Polarity of 115-volt AC
volt or 24-volt
power to furnace or
power is
integrated control
reversed.
module is reversed.
Red and blue wires to
transformer are
reversed.
Poor unit ground.
BLOWER PERFORMANCE DATA
Tons
External Static Pressure (Inches Water Column)
AC at
0.1
0.2
0.5"
ESP
CFM
Rise CFM
3.0
1,352
29
1,318
2.5
1,214
32
1,172
2.0
997
40
994
1.5
757
52
753
3.0
1,449
41
1,409
2.5
1,192
50
1,172
2.0
981
61
962
1.5
750
79
730
Corrective Actions
Sand flame sensor if
coated/oxidized.
Inspect for proper
sensor alignment.
Compare current gas
pressure to rating plate
info. Adjust as needed.
Check and correct
wiring from integrated
control module to
igniter
Replace bad igniter.
Check and correct
furnace ground wiring
Replace faulty
integrated control
module.
Review wiring diagram
to correct polarity.
Verify proper ground.
Correct if necessary.
Reverse red and blue
wires connected to
transformer.
0.3
0.4
Rise CFM
Rise CFM
30
1,260
31
1,202
34
1,123
35
1,064
40
960
41
923
52
734
54
704
42
1,326
45
1,273
51
1,141
52
1,094
62
943
63
917
81
714
83
692
Notes and
Cautions
Turn off power
prior to repair.
Sand flame
sensor with
emery cloth.
See "Vent/Flue
Pipe" section for
piping details.
See rating plate
for proper gas
pressure.
Turn off power
prior to repair.
Replace igniter
with correct
replacement part.
Replace
integrated control
module with
correct
replacement part.
Read precautions
in "Electrostatic
Discharge"
section of
manual.
Turn off power
prior to repair.
0.5
0.6
0.7
Rise CFM
Rise CFM CFM CFM
33
1,128
35
1,044 955
37
1,012
39
938
859
43
884
45
817
741
56
674
59
620
524
47
1,201
49
1,194 1,136 1,018
54
1,046
57
973
904
65
888
67
830
764
86
657
90
620
570
0.8
853
741
611
438
793
665
502

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