Heat pump controller

Details Heat pump controller Heat pump controller

Filed on

1987-05-29

Date issued

1988-08-16

Examiner

Bennet, Henry A.

Patent Class

Refrigeration

SubClass

Automatic control

SubSubClass

Selective heating or cooling

Other Related Categories

62298, F25B 1300, F25D 1900

Type

Patent

Status

active

Patent number

047634855

Description

ABSTRACT:
Inside and outside electrical control adaptors are provided for the installation of heat pump systems where only two or three conductors extend between the inside components and the outside components of the system. The inside adaptor has two relays which provide alternate circuits between the inside to outside conductors and the indoor control wiring. The outside adaptor similarly provides alternate circuits between the inside to outside conductors and the outdoor control wiring.

REFERENCES:
patent: 3611743 (1971-10-01), Manganaro
patent: 3740964 (1973-06-01), Herweg

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