Control system for a split type air-conditioner

Refrigeration – Refrigeration producer

Patent

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Details

165 22, 236 51, F25B 4302

Patent

active

045036861

ABSTRACT:
In a control system for a split type air-conditioner comprising an indoor control circuit and an outdoor control circuit wherein control signals are exchanged between the indoor and outdoor control units via a signal conductor, each of the indoor control circuit and the outdoor control circuit comprises a switching element for performing ON-OFF operation to serially transmit control logic signals towards the opposite control circuit and a signal receiving element for receiving control logic signals transmitted from the opposite control circuit. The switching elements and the signal receiving elements are connected in series with each other by the signal conductor, and when control logic signals are transmitted from one of the control circuits, the switching element in the other control circuit is kept closed.

REFERENCES:
Ide et al., "Air Conditioners Incorporating Variable-Capacity-Control Inverter", Toshiba Review, vol. 37, No. 7 (1982).

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