To Map out and Diagnose your existing 5 prong setup, do the following with a voltmeter/multimeter. Set your remote switch to the middle spot, and with engine running in high idle, find the two prongs that measure approximately 120 VAC. Now that you know which two those are, write them down and exclude them for the following test. Now, with the remaining two outer prongs, we will first confirm that they are volts DC, and then polarity. With the remote switch set to remote, probe the two outer remaining prongs for volts DC usually greater than ninety volts. Once your meter displays volts DC, confirm they go away once you set the remote switch to the middle position. If so, bring back the readings by setting your remote switch back to remote. Now that we have identified both prongs, using the diagram below, write down their letter. final and most important test is to determine their polarity. With the remote switch set to remote, and multimeter set to volts DC, position your multimeter leads so the multimeter shows positive DC. Once you have that, write down which prong is positive and which is negative. and email your results to info@dkwremotes.ca

Because we chose to have the five prong installed, we now have various wiring scenarios due to weld repair shops not conforming to each other. For these Rheostat receivers, I adopted the standard that meets electrical codes. The following is the receptacle pinout:

X: 110 hot
W: 110 com
G: ground
Z: shunt
Y: DC- rectifier bridge

Ok what does this mean for us in the picture.

X : (circled in blue) (110 hot)
W (circled in yellow) (110 common)
G: (circled in light yellow) (ground)
Z: (circled in black) (blue wire shunt)
Y: (circled in red ) (DC- Neg rectifier)

We performed this install correctly on a DK300 3+3 with the following steps. Measuring from inside the machine to the receptacle with a voltmeter in ohms, we identified the 120 Hot Wire to X and then we identified the 120 Common wire to be W We also confirmed the middle ground pin to be connected to the body of the welder. Now we only had to confirm Z and Y. Y in its correct orientation should have continuity to the pin of the negative bridge rectifier . Typically the DC negative of the bridge rectifier will have the red 600A wire. The remaining one, Z, should have continuity to the first spade connector connected to the blue main wire shunt coming out the generator to the Z prong

The L21-20R The receptacle we have installed for rheo control and power