install instructions continued
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README.md
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README.md
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@ -107,15 +107,31 @@ WantedBy=default.target
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- No need to run the daemon as root, and it is not recommended
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# Disclaimer:
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**I am not responsible of possible damage to your device if you choose to follow these instructions**
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**The manufacturer may void your warranty if you choose to follow these instructions**
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- Shut down the main power of the unit
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- Disconnect the device from mains, discharge any static electricity before proceeding
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- A new motherboard seems to cost close to 1000€ + labour
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- Open the cover in which the power switch is attached to. No need to disconnect the switch, there
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should be enough length in the wires to move the lid with the switch connected out of the way
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- Locate the green RS-485 connector on the motherboard
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-
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- Locate the green RS-485 connector on the motherboard, should be on the right edge
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- Schematics available from Enervent at [https://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1](https://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1), page 38 (finnish)
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- The connector has a detachable plug part. Grab the top of the connector with plyers and carefully pull it out. This will make attaching the wire much easier
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- Connect **A connector to A connector and B to B**. (they are not Tx/Rx like in many other serials)
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- **NOTE:** After reading quite a few forum posts, many RS-485 adapters seem to have printed the A and B the wrong way, I wouldn't be surprised if this was the case with Pingvin too.
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- Plug the plug back to the Pingvin motherboard and close the cover and screws
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- Reconnect mains and switch both devices onhttps://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1
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- Mixing A and B should be safe and won't break anything, but the daemon won't work. If that's the case, disconnect powers again and switch the wires on the RPi.
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### Home Assistant
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- There are so many variations for HASS configs, that definite instructions are hard to do.
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- All the YAMLs are intended to be copy-pasted to `configuration.yaml` (or files included to configuration.yaml)
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- Change the IP address, port, username and password according to your configuration
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- Restart Home Assistant (A full reload doesn't seem to be enough for all REST integration features to update)
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Work is part of my Bachelor's Thesis at Oulu University
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