I need a wiring diagram for the thermostat whose pictures are
posted at http://zigabyte.com/tmp/thermostat/

More specifically, I need to know the function of each wire.

I suspect that this is a Line Voltage thermostat; but I'm
confused as to why then it has so many wires.

Also, the pictured 9-pin connector is nowhere to be found, on
the Internet or off. If this connector follows some type of
standard, that would be all I need to know.

The thermostat is connected to a high-rise central cooling &
heating system, the type that gets reversed in the Spring and
Fall.

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Clarification of Question by atr-ga on 22 Jan 2003 19:44 PST

Looking under the hood there's a "SnyderGeneral Fan-Coil Unit".
Did this unit come with the 9-pin plug from the picture, or
was that done by the builder/installer?

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Clarification of Question by atr-ga on 22 Jan 2003 19:47 PST

Fan-coil unit model# HSB060CL (hard to read, may be off
by a character or two).

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Clarification of Question by atr-ga on 23 Jan 2003 07:56 PST

I've increased the price on this question, but I've added one
request: please include in your answer, what model of Digital
thermostat would work as a replacement to this one.