US 10,120,400 B2 · Air-conditioning apparatus and remote controller power supply method

Abstract

A remote controller power supply method for an air-conditioning apparatus, configured to control a plurality of indoor units divided into groups with different remote controllers, is provided that allows exclusion of a supply current monitoring circuit from a circuit board of the indoor units. In the air-conditioning apparatus including an outdoor unit and the plurality of indoor units, the plurality of indoor units are divided into two or more groups, and the indoor units in each of the groups are connected to a different remote controller. The indoor units are each allocated with an address having a ranking given according to a predetermined rule, and the outdoor unit instructs the indoor unit having the address of a first rank, out of the plurality of indoor units in each of the groups, to supply power to the remote controller.

Claims7

Dependent claims

An air-conditioning apparatus comprising:

an outdoor unit;
a plurality of indoor units connected to the outdoor unit via a first signal line;
and
at least one remote controller connected to the plurality of indoor units via a second signal line, the second signal line being separate from the first signal line,
wherein the plurality of indoor units each include a remote controller power supply unit configured to supply power to the at least one remote controller,
the plurality of indoor units are each allocated with an address having a ranking given according to a predetermined rule, and
the outdoor unit instructs an indoor unit having an address ranked according to the predetermined rule, out of the plurality of indoor units, to supply power to the at least one remote controller.

4 more elements

A remote controller power supply method for an air-conditioning apparatus including an outdoor unit, a plurality of indoor units connected to the outdoor unit via a first signal line, and at least one remote controller connected to the plurality of indoor units via a second signal line, the second signal line being separate from the first signal line,

the plurality of indoor units each including a remote controller power supply unit configured to supply power to the at least one remote controller and being divided into two or more groups, and one or more of the plurality of indoor units in each of the groups being connected to a different remote controller,
the remote controller power supply method comprising:
allocating an address having a ranking given according to a predetermined rule to each of the plurality of indoor units;
and
causing the outdoor unit to instruct an indoor unit having an address ranked according to the predetermined rule, out of the plurality of indoor units in each of the groups, to supply power to the at least one remote controller.

2 more elements

Dependencies are inferred from the claim text.

Air-conditioning apparatus and remote controller power supply method

Life of this patent

Air-conditioning apparatus and remote controller power supply method

Life of this patent

Abstract

Claims7