ha-zen32-exhaust-fan-blueprint

A blueprint to use a Zooz ZEN32 Scene Controller to control an exhaust fan.

You can also see the discussion about this Blueprint in the Home Assistant Community Blueprint Exchange.

Requirements

• Timer entity to track time remaining for the exhaust fan
• Switch entity to turn the fan on/off (can be the scene controller if wired that way)
• Device for the scene controller.

Diagram

┌────────────────────────────────────┐
│                                    │
│ ┌─┐ Blue when off                  │
│ └─┘ White w/ time left > 45m       │
│     Green when on w/ no time set   │
│                                    │
│                                    │
│                                    │
│                                    │
│                                    │
│                                    │
│                                    │
│                                    │
│                                    │
│ 60m/off                            │
└────────────────────────────────────┘

┌────────────────┐  ┌────────────────┐
│     White w/   │  │     White w/   │
│ ┌─┐ time left  │  │ ┌─┐ time left  │
│ └─┘ <= 10m     │  │ └─┘ > 20m and  │
│                │  │     <= 30m     │
│                │  │                │
│                │  │                │
│ 10m            │  │ 20m            │
└────────────────┘  └────────────────┘

┌────────────────┐  ┌────────────────┐
│     White w/   │  │     White w/   │
│ ┌─┐ time left  │  │ ┌─┐ time left  │
│ └─┘ > 20m and  │  │ └─┘ > 30m and  │
│     <= 30m     │  │     <= 45m     │
│                │  │                │
│                │  │                │
│ 30m            │  │ 45m            │
└────────────────┘  └────────────────┘

Contributing

Setup

python3.10 -m venv .venv
source .venv/bin/activate

# Install Requirements
pip install -r requirements.txt

# One-Time Install of Commit Hooks
pre-commit install

Testing

Tests are run with pytest.