Manual 2100-537
I
Page 50 of 54
TROUBLESHOOTING GE ECM
™
MOTORS CONT’D.
10
1 2 3 4 5 6 7 8
1615141312119
3 51 2 4
MIS-2839
FIGURE 25
CONTROL CONNECTOR MOTOR HALF
*
Suggested mating connector
Housing — AMP 350809-1
Contact — AMP 350537-1
** WARNING — Applying 240VAC line input with
PIN 1 to PIN 2 jumper in place will permanently
damage unit!
POWER CONNECTOR
MOTOR HALF
MODE of
OPERATION
OFF
Continuous
Blower
Part Load
Cooling
Full Load Cooling
Part
Load
Heating
Full Load
Heating
Full Load Heating +
Electric Heat
Stage #1
Emergency Heat
Mode
Thermostat
24 VAC Inuput
Signals
— "G" "G", "Y1", "O" "G", "Y1", "Y2", "O" "G", "Y1" "G", "Y1", "Y2" "G", "Y1", "Y2", "W1" "G", "E", "W1", "W2"
Pin #1 24 VAC "C" (Common) Signal, Always Energized
Pin #2 X X
Pin #3 24 VAC "C" (Common) Signal, Always Energized
Pin #4
DelayTapProles,VariedHalf-WaveSignalsBasedUponSettings
Pin #5 Cool Tap Select Tables, Varied Half-Wave Signals Based Upon Settings (Tonnage)
Pin #6 X X X X X
Pin #7
AdjustmentTapProles,VariedHalf-WaveSignalsBasedUponSettings
Pin #8 DC Volts "-" Output in Direct Correlation to CFM
Pin #9 X X
Pin #10 Future Use; Not Currently Programmed for Function
Pin #11 Heat Tap Select Tables, Varied Half-Wave Signals Based Upon Tonnage
Pin #12 24 VAC Hot "R" Signal, Always Energized
Pin #13 X
Pin #14 X X
Pin #15 X X X X X X X
Pin #16 DC Volts "+" Output in Direct Correlation to CFM
POWER CONNECTOR *
PWB HEADER AMP 1-350945-0
PIN Description
1
Jumper Pin 1 to Pin 2 for
120VAC Line Input Only **
2
3 Chassis Ground
4 AC Line
5 AC Line
