Air-conditioning management apparatus and air-conditioning system

An air-conditioning management apparatus that controls an air-conditioning apparatus that comprises:

• a heat source unit;
• a plurality of indoor units;
• and
• a refrigerant-heat-medium heat exchanger configured to cause heat exchange to be performed between refrigerant that flows in the heat source unit and a heat medium that flows in the plurality of indoor units to heat or cool the heat medium and heat or cool an indoor space of each of the plurality of indoor units,
• the air-conditioning management apparatus comprising:
• a storage unit configured to store as schedules, a schedule for each of the plurality of indoor units, including as set times, a set time for each of the plurality of indoor units, and a set temperature;
• a communication processing unit configured to communicate with the air-conditioning apparatus and receive operation status information including a heat medium temperature that is a temperature of the heat medium;
• and
• a controller configured to perform a schedule control to control the air-conditioning apparatus according to the schedules,
• wherein the schedule control includes an optimal start-up control to control the air-conditioning apparatus such that a temperature of each indoor space of the plurality of indoor units reaches the set temperature at one of the set times, by starting an operation of the air-conditioning apparatus before the one of the set times,
• the controller performs a preheating control or a precooling control to control the heat source unit such that before the optimal start-up control is started, the heat medium temperature included in the operation status information obtained from the air-conditioning apparatus falls within a target range including a previously set target heat medium temperature,
• when the set times in the schedules that are made out for the plurality of indoor units are different from each other, the optimal start-up control is performed such that a suction temperature of each of the plurality of indoor units reaches the set temperature at the one of the set times, which is an earliest one of the set times.

An air-conditioning management apparatus that controls an air-conditioning apparatus that comprises:

• a heat source unit;
• a plurality of indoor units;
• and
• a refrigerant-heat-medium heat exchanger configured to cause heat exchange to be performed between refrigerant that flows in the heat source unit and a heat medium that flows in the plurality of indoor units to heat or cool the heat medium and heat or cool an indoor space of each of the plurality of indoor units,
• the air-conditioning management apparatus comprising:
• a storage unit configured to store as schedules, a schedule for each indoor unit of the plurality of indoor units, including as set times, a set time for each indoor unit, and a set temperature;
• a communication processing unit configured to communicate with the air-conditioning apparatus and receive operation status information including a heat medium temperature that is a temperature of the heat medium;
• and
• a controller configured to perform a schedule control to control the air-conditioning apparatus according to the schedule,
• wherein the schedule control includes an optimal start-up control to control the air-conditioning apparatus such that a temperature of a first indoor space of a first indoor unit reaches the set temperature at a first set time of the set times, by starting an operation of the air-conditioning apparatus before the first set time,
• the controller performs a preheating control or a precooling control to control the heat source unit such that before the optimal start-up control is started, the heat medium temperature included in the operation status information obtained from the air-conditioning apparatus falls within a target range including a previously set target heat medium temperature,
• each of the plurality of indoor units includes a flow control valve configured to adjust a flow rate of the heat medium that flows into the indoor unit itself, each flow control valve being adjusted in opening degree to adjust a temperature of a respective indoor space of a respective indoor unit,
• the controller transmits a command to adjust the opening degree of the flow control valve of the first indoor space of the first indoor unit, when the optimal start-up control is performed, and
• the controller controls the heat source unit to preheat or precool the heat medium such that the heat medium temperature of the heat medium exceeds or falls below the target heat medium temperature prior to opening the flow control valve of any additional indoor unit having a set time that is subsequent to the first set time.