Air conditioner

Details Air conditioner Air conditioner

1991-06-27

1993-05-04

Wayner, William E.

Refrigeration

Automatic control

Selective heating or cooling

62175, 165 22, F25B 1300

Patent

active

052070700

ABSTRACT:
In an air conditioner having a single outdoor unit and a plurality of indoor units, if at least two indoor units supply operation commands, an indoor unit allowed to be operated and an indoor unit not allowed to be operated are determined in accordance with a predetermined operation priority order. An operation standby signal is sent to the indoor unit not allowed to be operated. If the indoor unit allowed to be operated stops its operation, a new indoor unit is determined by again referring to the operation priority order. A confirmation signal is then sent to the determined new indoor unit under the standby state until then. If the indoor unit received the confirmation signal sends a response signal indicating that the indoor unit still intends to operate, then an operation permission signal is given to the new indoor unit.

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