UD-35 SERVICE UPDATE FIRST HALF—2009 - Whirlpool
UD-35 SERVICE UPDATE FIRST HALF—2009 - Whirlpool
UD-35 SERVICE UPDATE FIRST HALF—2009 - Whirlpool
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MAIN CONTROL<br />
The Gemini ES is the main control board and is mounted vertically with P1 in the topleft<br />
corner. Neither P1 nor P2 need shunting connectors. If the left two pins of P1<br />
are tied together on an M-line, the unit will go into manufacturing diagnostics mode<br />
each time it is powered up. The NTC (negative temperature coefficient) Thermistors<br />
are connected to connector P3. Line voltage AC inputs go into P4, and the switched<br />
neutral comes out of P4. P8 is in the bottom left corner and gets the AC power<br />
directly from the power switch. On the bottom right, AC outputs are driven out of<br />
P5. On the top right, DC outputs come out of P7. On the top left, the P6 connector<br />
provides 3-wire WISP communications with the user interface in the top of the refrigerator<br />
compartment (RC) from the top row of silo’s; the lower row of 3 silo’s are for<br />
older QUISP style communications.<br />
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