Enthalpy control

Refrigeration – Automatic control – Humidity sensor

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Details

62180, 165 16, F25B 2900

Patent

active

043620264

ABSTRACT:
An air conditioning system in which system operation is interrupted when the space to be conditioned is unoccupied: when the outside air is of sufficiently low enthalpy the system cooler and damper controls are disabled and outside air is used for cooling, unless its enthalpy or temperature is indeed too low, when normal system operation is reestablished.

REFERENCES:
patent: 2206445 (1940-07-01), Beeler
patent: 2209787 (1940-07-01), Miller
patent: 3139020 (1964-06-01), Schemenauer
patent: 3915376 (1975-10-01), Attridge, Jr. et al.
patent: 3949607 (1976-04-01), Nodolf
patent: 3979922 (1976-09-01), Shavit
patent: 4023947 (1977-05-01), Ferry
patent: 4069030 (1978-01-01), Nickell et al.
patent: 4175401 (1979-11-01), McManus
patent: 4186564 (1980-02-01), Myers
Honeywell, Enthalpy Control H205A, 4/1977.

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