Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Patent
1994-04-28
1997-01-14
Ford, John K.
Heat exchange
With timer, programmer, time delay, or condition responsive...
Having heating and cooling capability
236 1C, 236 37, 236 38, 236 78A, 165 50, F25B 2900
Patent
active
055929893
ABSTRACT:
An electronic thermostat having high and low voltage control capability and varied functional capabilities. The thermostat is particularly suited for use with fan coil heating and cooling units. Specifically the thermostat uses relays to actuate external devices such as heating and cooling equipment, fans and dampers. The use of relays permits control voltages for these external devices to be different (e.g. 24 VAC, 208-230 VAC or 277 VAC).
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Carper June R.
Lynn Michael
Morris Alan
Perry Richard A.
Ford John K.
Landis & Gyr Powers, Inc.
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