Air conditioning system

Details Air conditioning system Air conditioning system

1990-03-29

1991-04-09

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

62298, G01M 1900

Patent

active

050053663

ABSTRACT:
An air conditioning system which includes a plurality of internal air conditioning units, a plurality of external refrigerating circuit units for executing refrigerating cycle operations, each external refrigerating circuit unit including a fluid path control valve whose activation is audible, and a plurality of corresponding relationship check switches respectively provided in the internal air conditioning units. When the corresponding relationship check switch of one of the internal air conditioning units is operated, the fluid path control valve of the corresponding external refrigerating circuit unit generates an audible sound, intermittently.

REFERENCES:
patent: 4488409 (1984-12-01), Hara
patent: 4688389 (1987-08-01), Iida
patent: 4698978 (1987-10-01), Jones

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