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Mitsubishi Electric Ecodan FTC6 Legacy
Select an integration method below to see supported data points and features.
Monitored data points
Parameters available in the MelPump dashboard and reports. The "Control" column shows if you can also change the value from the app.
| Parameter | Description | Monitor | Control |
|---|---|---|---|
| 3-Way Valve Status | Position of valve directing water to heating or hot water tank | check_circle | remove |
| Booster Heater 2 Status | Shows if the second backup electric heater is active | check_circle | remove |
| Booster Heater 1 Status | Shows if the first backup electric heater is active | check_circle | remove |
| Force Hot Water | Forces immediate hot water heating regardless of schedule | check_circle | tune |
| COP | Efficiency ratio - heat output divided by electricity input | check_circle | remove |
| Compressor Frequency | Speed of the compressor in Hz, higher values mean more heating or cooling power | check_circle | remove |
| Compressor Frequency | Speed of the compressor in Hz, higher values mean more heating or cooling power | check_circle | remove |
| Condensing Temp | Internal heat pump temperature where refrigerant releases heat to the water system, higher values usually mean lower efficiency | check_circle | remove |
| Defrost Mode | Indicates when the outdoor unit is melting ice buildup | check_circle | remove |
| Delta Temp | Difference between the water leaving and returning to the heat pump, used to show how much heat is being transferred | check_circle | remove |
| Eco Hot Water | Energy-saving mode that heats water more slowly using lower flow temperatures for better efficiency | check_circle | tune |
| Tank Water Temp | Current temperature of the domestic hot water stored in the tank | check_circle | remove |
| Input Power | Estimated electrical power being consumed | check_circle | remove |
| Output Power | Estimated heat energy being produced | check_circle | remove |
| Error Code | Diagnostic code shown when there is a problem | check_circle | remove |
| Has Error | Indicates if the system has an active error | check_circle | remove |
| Flow Rate | Amount of water flowing through the system in litres per minute | check_circle | remove |
| Flow Rate | Amount of water flowing through the system in litres per minute | check_circle | remove |
| Force Hot Water | Forces immediate hot water heating regardless of schedule | check_circle | tune |
| Holiday mode | Reduced operation mode to save energy during vacations | check_circle | tune |
| Indoor Temp #1 | Current air temperature in rooms served by heating zone #1 | check_circle | remove |
| Thermostat Temp #1 | Desired room temperature set for heating zone #1 | check_circle | tune |
| Return Temp | Water temperature returning to the heat pump from the heating system | check_circle | remove |
| Operation Mode | Current mode: heating, cooling, or hot water production. May also show other modes like antifreeze or legionella. | check_circle | remove |
| Max Tank Water Temperature | Maximum allowed hot water tank temperature setting | check_circle | remove |
| Mixing Tank Water Temp | Water temperature inside the buffer or mixing tank | check_circle | remove |
| Operation Mode | Current mode: heating, cooling, or hot water production. May also show other modes like antifreeze or legionella. | check_circle | remove |
| Outdoor Temp | Current outside air temperature measured near the heat pump | check_circle | remove |
| Flow Temp | Water temperature leaving the heat pump and going into the heating system | check_circle | remove |
| Target Temp #1 | Target water temperature for the heating circuit in zone #1 | check_circle | remove |
| Prohibit Heating Hot Water | When enabled, prevents hot water heating | check_circle | remove |
| Prohibit Heating Zone #1 | When enabled, prevents heating in zone #1 | check_circle | remove |
| Liquid Line Temp | Temperature of the liquid refrigerant flowing through the heat pump's cooling circuit | check_circle | remove |
| Power | Whether the heat pump is turned on or off | check_circle | tune |
| Water Pump 2 Status | - | check_circle | remove |
| Water Pump 3 Status | - | check_circle | remove |
| Water Pump 4 Status | - | check_circle | remove |
| Water Pump 1 Status | Shows if the water circulation pump is running | check_circle | remove |
| Indoor Temp #2 | Current air temperature in rooms served by heating zone #2 | check_circle | remove |
| Thermostat Temp #2 | Desired room temperature set for heating zone #2 | check_circle | tune |
| Operation Mode #1 | Operating mode for heating zone #1. In most heat pumps this is either constant flow or compensation curve mode, but some models may support advanced modes like auto-adaptation. | check_circle | tune |
App-level features
Automation and optimization modes that MelPump unlocks for this integration.
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Summer Eco mode
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Solar Mode - Hot Water
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Night mode
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Advanced Scheduler
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Push and Email Notifications
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Energy Estimation
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