Thermostat for control of an add-on heat pump system

Details Thermostat for control of an add-on heat pump system Thermostat for control of an add-on heat pump system

1982-02-26

1984-05-01

Cline, William R.

Heat exchange

Movable heating or cooling surface

Rotary drum

236 1E, 236 47, 236 78B, 237 2B, F25B 2900

Patent

active

044455674

ABSTRACT:
A two-stage thermostat means for an add-on heat pump installation provides separated control of a furnace and a heat pump. The two-stage thermostat means utilizes a single pole, single throw switch means, and a single pole, double throw switch means to properly stage and control a heat pump and a fossil fueled furnace so that they do not overlap. The control of the temperature of the heated area is independent of any need to connect a circuit between the thermostat in the heated area and any type of thermostat at the heat pump itself.

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