Title:
MULTISTAGE SET BACK TIME CONTROLLING THERMOSTAT CONTROLLER
Document Type and Number:
Japanese Patent JPS56110113
Kind Code:
A
Abstract:
A multistage timer control setback thermostat control system maintaining a normal temperature in a space and during selected time periods a reduced temperature wherein a first stage is a refrigeration heat pump, the operation of which is affected by outdoor temperature, and a second stage is an auxiliary electrical heating source. An outdoor temperature responsive means is connected in the control system to maintain the heat pump energized during the space temperature setback period if the outdoor temperature is below some predetermined value. Additionally, the indoor thermostat has a high limit temperature responsive means for terminating the operation of the heat pump should the space temperature exceed some predetermined value during the space temperature setback period.
Inventors:
ROON DABURIYUU NERUSON
Application Number:
JP653781A
Publication Date:
September 01, 1981
Filing Date:
January 21, 1981
Export Citation:
Assignee:
HONEYWELL INC
International Classes:
G05D23/19; F25B30/02; G05D23/24; G05D23/275; (IPC1-7): G05D23/32