Originally Posted by ogmonte
So far none have worked I contacted dometic about the soft start kit that Canonman mentioned earlier in post they did not offer to send it for free but gave me a part # that turns out to be the supco spp6. $12.95 on ebay hopefully it's all I need. BTW it's been 100 degrees here in moses lake WA. We will be camping this weekend with no hookups and no A/C. 😅
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Sorry the Dometic folks are being less than supportive in providing the kit. I'll remember that in the future. If you can get the parts locally installing the mod is snap. You already got the cover off and that's 1/2 the work
Just in case you need them, here are the instructions I had sent to me
QUICK START KIT
Part No. 3102903.006
The Quick Start Kit can be installed on all Duo-Therm roof mounted air conditioners and heat pumps. The Quick Start Kit will
allow the compressor to start properly when operated on the Onan 2.8 Micro-Lite Generator as the 120 volt power source.
High ambient temperatures can affect the ability of the roof mounted air conditioner/heat pump to start on generator power.
The following parts are included in this Kit:
1 ea. 3100235.245 Start Relay 2 ea. 312219.002 Screw
1 ea. 3100236.219 Start Capacitor 1 ea. 3102904.038 Instructions
1 ea. 304750.227 Black Wire 2 ea. 307879.003 Screw
3 ea. 303937.670 Yellow Wire 1 ea. 312096.002 Screw
1 ea. 20009.002 Wire Nut 1 ea. 317188.000 Capacitor Strap
2 ea. 312219.002 Screw
All field wiring modification should be made in compliance with the 1990 ANSI/NFPA 70 N.E.C. and
1987 ANSI A119.2 for Recreational Vehicles.
This unit must be serviced by a Dometic Service Center or a
qualified service technician. Modification of this product can
be extremely hazardous and could result in personal injury or
Read and understand these instructions BEFORE attempting
to install the Quick Start Kit. Keep these instructions with
the air conditioner manuals.
1. Turn all AC and DC power off at the circuit breaker.
2. Remove shroud from unit and cover from electrical box.
3. Locate and completely remove the PTCR device, start
capacitor, and their wires. Some models have the PTCR
and start capacitor combined into one part, or only have
a PTCR device. See FIG. 1A and FIG. 1B.
4. Mount the new start capacitor in the electrical box using
the capacitor strap supplied in the kit.
Form No. 3102904.038 7/07
©2007 Dometic Corporation
LaGrange, IN 46761
5. Determine a suitable location in the units electrical box
and the new start relay.
6. Locate the wire that supplies the AC power to the overload
(Common or “C” terminal) of the compressor.
Note: Some models have a cold control switch installed in
7. Cut the compressor AC power wire in half inside the electrical
8. Cut the piggy back terminal off the end of the Black wire
supplied with kit. Strip insulation back 1/2" on all three
wires and connect together with the wire nut. Using electrical
tape, secure with wire nut.
9. Connect the remaining end of the Black wire to the #5
terminal on the new start relay.
10. Connect the first yellow wire from the kit and connect
the insulated flag terminal to terminal #2 on the new start
relay. Connect the other end to the fan run capacitor
terminal marked “HERM”.
11. Connect the insulated flag of the second yellow wire to
the #1 terminal on the new start relay. Connect the other
end of the second yellow wire to one terminal of the new
12. Connect the third yellow wire (non-insulated terminal) to
the “C” (common) terminal of the fan/run capacitor. Place
the other end of the third yellow wire on the remaining
terminal on the new start capacitor.
13. Recheck the wiring for loose or shortened terminals and
14. Replace the electrical box cover and shroud. Turn the
AC and DC power supplies back on and test the opera
tion of the unit per the Owner/Operator’s Manual.
15. Keep these instructions with the Owner/Operator