Supported Devices & Compatibility Matrix¶

This document tracks which Hitachi devices have been tested with this integration and what features work for each configuration.

If you're using this integration, please contribute by adding your device configuration below! This helps the community understand what works and what doesn't.

How to Contribute Your Testing Results¶

1. Fork this repository or edit this file directly (click the pencil icon on GitHub)
2. Add your device to the appropriate table below
3. Fill in all columns with your test results
4. Submit a pull request or create an issue with your findings

Quick Reference: Device Types¶

Based on the CSNet Manager system, devices are categorized by Unit Model and Zone Types:

Unit Models¶

• Yutaki S - Standard model
• Yutaki SC - Comfort model
• Yutaki S80 - 80°C high-temperature model
• Yutaki M - Monobloc model
• Yutaki SC Lite - Lite version
• Yutampo - Specific regional model

Zone Types¶

• Zone 1 (C1 Air) - Air circuit 1 (room thermostats)
• Zone 2 (C2 Air) - Air circuit 2 (room thermostats)
• Zone 3 (DHW) - Domestic Hot Water
• Zone 5 (C1 Water) - Water circuit 1 (floor heating, radiators)

Compatibility Matrix¶

Legend¶

• ✅ Working - Feature fully functional
• ⚠️ Partial - Feature works with limitations (see notes)
• ❌ Not Working - Feature not functional
• ➖ N/A - Not applicable for this configuration
• ❓ Unknown - Not tested yet

Yutaki S Models¶

Configuration Details¶

| Add your config | | | | | | | |

Feature Compatibility¶

Known Issues & Notes¶

Yutaki SC Models¶

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Yutaki S80 Models¶

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Yutaki M Models¶

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Yutaki SC Lite Models¶

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Yutampo Models¶

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Fan Coil Systems¶

These systems support fan speed control (off, low, medium, auto) instead of silent mode.

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Other Hitachi Models¶

If your model isn't listed above, please add it here!

Configuration Details¶

Feature Compatibility¶

Known Issues & Notes¶

Feature Descriptions¶

Climate Control¶

Full control of your heat pump system through Home Assistant climate entities. One climate entity per zone/thermostat.

Temperature Set¶

Ability to set target temperature. Range varies by mode and configuration (typically 8-55°C).

HVAC Modes¶

• Heat - Heating mode
• Cool - Cooling mode (if supported by your system)
• Auto - Automatic heating/cooling based on temperature
• Off - System off

Preset Modes¶

• Comfort - Normal comfort temperature
• Eco - Energy-saving mode with reduced temperature

DHW Control¶

Control of Domestic Hot Water heater with modes: - Off - DHW off - Eco - Standard DHW heating - Performance - Boost mode for faster heating

Silent Mode¶

Reduces outdoor unit noise (not available on fan coil systems).

Fan Control¶

For fan coil systems only. Speeds: Off, Low, Medium, Auto.

Alarm Monitor¶

Displays alarm codes and messages from the system with persistent notifications.

OTC Support¶

Outdoor Temperature Compensation - automatic adjustment based on outdoor temperature.

Multi-Zone¶

Support for multiple heating circuits (C1, C2) and multiple room thermostats.

Additional Sensors¶

The integration provides additional sensors for system monitoring:

Device-Level Sensors¶

• Current temperature
• Target temperature
• Operating mode
• On/Off status
• Alarm status
• WiFi signal strength
• Connectivity status
• Last communication timestamp

Installation-Level Sensors (if supported)¶

• Pump speed
• Water flow
• Water inlet/outlet temperature
• Water pressure
• Gas/liquid temperature
• Defrost status
• Mix valve position
• Outdoor temperature
• Weather temperature (from cloud)
• LCD software version
• Central control configuration
• System configuration bits
• OTC type settings

How to Find Your Device Information¶

Finding Your Unit Model¶

1. Open the CSNet Manager app or website
2. Go to Settings → System Information
3. Look for Unit Model field

Finding Your Firmware Version¶

1. In Home Assistant, go to Settings → Devices & Services
2. Find your Hitachi device
3. Look at device information for firmware version

Finding Your Zone Configuration¶

1. In the CSNet Manager app, check how many thermostats/zones are configured
2. In Home Assistant, count the number of climate entities created
3. Check if you have a DHW (water heater) entity

Troubleshooting & Debug Information¶

If you're experiencing issues:

1. Enable debug logging in configuration.yaml:

   logger:
     default: warning
     logs:
       custom_components.csnet_home: debug
   

2. Capture the elements response from CSNet Manager:

3. Open browser Developer Tools (F12)
4. Navigate to CSNet Manager website
5. Go to Network tab
6. Find the elements API call

7. Copy the JSON response

8. Report the issue on GitHub Issues with:

9. Your device configuration
10. Debug logs
11. Elements JSON response (redact personal info)

Contributing¶

Your feedback is valuable! Even if everything works perfectly, please add your configuration to help others with similar setups.

Quick Contribution Steps:¶

1. Click the Edit button (pencil icon) on this file in GitHub
2. Add your device to the appropriate table
3. Fill in your test results
4. Submit a pull request with description: "Add device compatibility: [Your Model]"

What to Include:¶

• ✅ DO include firmware version
• ✅ DO note specific configuration (number of circuits, thermostats)
• ✅ DO mention any workarounds you found
• ✅ DO update integration version
• ❌ DON'T include personal information (addresses, names, etc.)

Discussion¶

Join the discussion about device compatibility: - Discussion #21 - Mode and preset mappings - GitHub Discussions

License¶

This document is part of the home-assistant-csnet-home project and is licensed under the Apache License 2.0.

Last Updated: 2025-01-24 Document Version: 1.0