[CSF1TZ] How do I pair my Smartfoss to Home Assistant ZHA?

We recommend you install our ZHA Smartfoss quirks first. The instructions can be found here: 
- Add your dimmer to your Home Assistant:
 
- Open your Home Assistant dashboard.
 
- Go to the menu and click on settings.
 
- Click "Devices & Services".
 
- Click the blue "ADD INTEGRATION" button.
 
- Click "Add Zigbee device".
 
- Home Assistant will scan for new zigbee devices.
 
-  Put the valve into pairing mode:
 
- Long press the button on the water timer for 3 seconds to initiate pairing mode. During the pairing process the LED indicator will flash red and green alternately.