| 摘要 |
<p>An air conditioning system (1) comprising a plurality of air conditioners (15), an air conditioner managing device (11) that manages the plurality of air conditioners (15), and a sub air conditioner managing device (13) that sends and receives various types of signals to and from the air conditioner managing device (11), wherein the air conditioner managing device (11) updates software that runs the air conditioner managing device (11) while the plurality of air conditioners (15) are all in a stopped state, and notifies the sub air conditioner managing unit (13) of information pertaining to the software update before updating the software. The sub air conditioner managing unit (13) suspends communication with the air conditioner managing device (11) when notification of information pertaining to the software update is received.</p> |
