Manual 2100-579A
Page
19 of 41
TROUBLESHOOTING GE ECM 5.0™ MOT
ORS
16-PIN BLOWER T
AP
SELECT CONTROLS - OUTPUTS BASED UPON MODE
Mode of Operation
OFF
Continuous
Blower
Oil
Furnace
Single Stage Cooling
2-Stage Cooling, Part Load
k
2-Stage Cooling, Full Load
k
Heat Pump
Single Stage Cooling
2-Stage
Heat Pump Cooling, Part Load
k
2-Stage
Heat Pump Cooling, Full Load
k
Heat Pump
Single Stage Heating
2-Stage
Heat Pump Heating, Part Load
k
2-Stage Heat
Pump Heating, Full Load
k
Thermostat 24 V
AC Input Signals
—
"G"
"W"
"G", "Y1"
"G", "Y1"
"G", "Y1",
"Y2"
"G", "Y1",
"O"
"G", "Y1",
"O"
"G", "Y1", "Y2", "O"
"G", "Y1",
"O"
"G", "Y1",
"O"
"G", "Y1", "Y2", "O"
Pin #1
24 V
AC "C" (Common) Signal;
Always Energized.
Pin #2
X
Pin #3
24 V
AC "C" (Common) Signal;
Always Energized.
Pin #4
Delay
Tap Profiles; V
aried Half-W
ave Signals Based Upon Settings.
Pin #5
Cool
Tap Select
Tables; V
aried Half-W
ave Signals Based Upon Settings (T
onnage).
Pin #6
X
X
X
X
X
X
X
X
X
Pin #7
Adjustment
Tap Profiles; V
aried Half-W
ave Signals Based Upon Settings.
Pin #8
DC V
olts "-" Output in Direct Correlation to CFM.
Pin #9
X
X
X
X
X
X
Pin #10
Future Use; Not Currently Programmed for Function.
Pin #1
1
Heat
Tap Select
Tables; V
aried Half-W
ave Signals Based Upon
Tonnage.
Pin #12
24 V
AC Hot "R" Signal;
Always Energized.
Pin #13
Energized When Limit
Trip Occurs.
Pin #14
X
X
X
X
X
X
Pin #15
X
X
X
X
X
X
X
X
X
X
Pin #16
DC V
olts "+" Output in Direct Correlation to CFM.
Requires "Y1" to "Y2" jumper wire installed on Integrated Blo
wer Interface.
k
Requires removal of Factory Installed "Y1" to "Y2" jumper wir
e on Electronic Blower Control Interface.
