Heat exchange – With alarm – indicator – signal – register – recorder – test or... – Remotely controlled inspection means
Patent
1980-05-21
1982-08-31
Davis, Albert W.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
Remotely controlled inspection means
165 27, 165 29, 62160, 236 78D, F25B 2900
Patent
active
043467555
ABSTRACT:
A two-stage circuit for controlling all operational functions of a reversible air cycle heat pump unit, including room thermostat functions and defrosting functions. All user controllable functions are controlled via a remotely locatable thermostat-like control unit mounted on an inside wall of the room separate from the heat pump unit, and connected to the heat pump unit with only five conductors. A number of desirable functions and features are provided. For example, for optimum energy usage the control provides two stages in both heating and cooling modes of operation, with almost constant temperature differential between the two stages regardless of temperature setting, and almost constant hysteresis for each stage. To facilitate compliance with Government-imposed regulations where applicable, heating and cooling limits are independently adjustable without any modification whatsoever for use in those public buildings where heating and cooling must be limited.
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patent: 4083397 (1978-04-01), Kimpel et al.
patent: 4228846 (1980-10-01), Smorol
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patent: 4285210 (1981-08-01), McCarty
Alley Robert P.
Pohl Walter J.
Relyea John W.
Davis Albert W.
Focarino Margaret A.
General Electric Company
Giacalone Frank P.
Reams Radford M.
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