Lovelace cards for Home Assistant Systemair Modbus Integration

Installation

HACS

1. Open HACS and go to "Custom integrations". Enter the URL https://github.com/AN3Orik/systemair-lovelace, choose type Dashboard and click Add.
2. Find the "Systemair Lovelace Cards" in the list and click Download.
3. Follow the instructions to add the card to your dashboard.

Available Cards

Systemair Alarm History Card

Displays the alarm history from the Systemair integration.

type: custom:systemair-alarm-history-card
entity: sensor.systemair_vsr_300_alarm_history
title: Alarm History

Systemair Free Cooling Card

Complete control panel for Free Cooling function with automatic entity discovery.

type: custom:systemair-free-cooling-card
entity: switch.systemair_vsr_300_free_cooling
title: Free Cooling

Features:

• On/Off toggle switch
• Supply and Extract air fan level controls
• Time schedule configuration (start/end time)
• Temperature limits (outdoor low/high, room cancel)
• Visual time range display
• Automatic entity discovery