I wired my LK-500ZC some years ago with both the thermal sensor and a relay
contolled by the relay control line. The front panel switch now selects
either with the relay line used for contesting or AM linear.
Carl
KM1H
----- Original Message -----
From: "Edwin Karl" <edk0kl@centurytel.net>
To: <amps@contesting.com>
Sent: Monday, August 16, 2010 3:24 PM
Subject: [Amps] Cooling Tubes
> Install the bigger fan/ blower (after a point I call 'em blower). You
> can always back the
> speed down and noise with a series resistor. Then install a thermostat
> in a strategic
> place that will short the resistor at a given temperature.
> Voila! Best of both worlds.
> I have that in my LK-500, with several resistor/ 'stat settings. 130 F
> medium, 165F high,
> and slow when all resistors are on line, dropping blower voltage to 90
> volts (from 240).
>
> ed K0KL
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