TURN OFF ALL POWER BEFORE BEGINNING YOUR INSTALLATION
SoftStartRV Wiring Diagram for Coleman Mach 1976B031 (9-85) Relay
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TURN ALL POWER OFF BEFORE STARTING
Route Blue, Black and Yellow
SoftStart wires into the electrical box. Then crimp Connectors onto all SoftStart
wires as indicated in drawing.
Step 1. Follow White Compressor
Wire from Compressor to Run Capacitor “C” terminal. Disconnect from “C”
terminal and connect it to Blue SoftStart wire.
Step 2. Connect Black SoftStart
wire to the terminal that the White Compressor Wire was on.
Step 3. Connect Yellow SoftStart
wire on terminal next to Red Compressor Wire on “Herm”
Side of Run Capacitor.
Step 4. IF you see a second Red
wire next to the Red Compressor Wire, disconnect it and seal end with
Step 5. Follow Black Compressor
wire to the Start Relay. Disconnect both Black and Purple wires, and connect
them to Brown SoftStart wire. Seal connection with electrical tape.
Step 6. Connect Red SoftStart wire
onto the terminal that the Black Compressor Wire was on.
Secure all wires. Tape connections
with electrical tape.
Turn Power and A/C Breaker on. Turn
A/C to Auto Cool setting and set the thermostat to 55ºF.
Look at SoftStart LED lights. Green
light should be “on”. Green light means the Compressor is running (there may be a full
3-minute delay before Green light comes on). IF there is no Green light after 4
minutes, call SoftStart Tech Support for assistance.
After establishing Green light
operation, re-install all A/C covers.
Turn A/C on, set near to outdoor
temperature and run for 30 minutes. After 30 minutes, operate A/C normally.