From 19d4d3d78b286dc413cc59a0d0be428f90200553 Mon Sep 17 00:00:00 2001 From: Jarno Rankinen <50285623+0ranki@users.noreply.github.com> Date: Tue, 4 Apr 2023 22:40:50 +0300 Subject: [PATCH] images continued --- README.md | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/README.md b/README.md index 2448711..8713c8d 100644 --- a/README.md +++ b/README.md @@ -99,19 +99,23 @@ WantedBy=default.target - To let user services continue running after logging out: - `sudo loginctl enable-linger $USER` +*** +# Disclaimer: + +**I am not responsible of possible damage to your device if you choose to follow these instructions** + +**The manufacturer may void your warranty if you choose to follow these instructions** +*** + ### Connecting to the Pingvin unit +#### RPi/computer running the daemon - Connect an RS-485 adapter to the computer you intend to run the daemon on - Tested only on a RPi 4B and Zero W 1 with the Zihatec RS-485 HAT - You may need terminating resistors in your adapter, see documentation of your adapter. - Ensure the user you intend to run the daemon as has read/write privileges to the serial device. - No need to run the daemon as root, and it is not recommended -# Disclaimer: - -**I am not responsible of possible damage to your device if you choose to follow these instructions** - -**The manufacturer may void your warranty if you choose to follow these instructions** - +#### Pingvin - Shut down the main power of the unit - Disconnect the device from mains, discharge any static electricity before proceeding - A new motherboard seems to cost close to 1000€ + labour @@ -121,14 +125,16 @@ should be enough length in the wires to move the lid with the switch connected o - Locate the green RS-485 connector on the motherboard, should be on the right edge - 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) ![IMG_20230114_133824](https://user-images.githubusercontent.com/50285623/229898136-ce7dc020-6c33-4605-86ff-5285000cbbd2.jpg) -- 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 +- There should be available outlet holes to pass the wires through on the top of the electronics compartment. +- The connector has a detachable plug part. Grab the top of the connector (the part with the screws) with plyers and carefully pull it out. This will make attaching the wire much easier - Attach wires by tightening the screws in the connector -- There should be available holes to pass the wires through on the top of the electronics compartment - Connect **A connector to A connector and B to B**. (they are not Tx/Rx like in many other serials) - **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. +![IMG_20230114_133936](https://user-images.githubusercontent.com/50285623/229900176-5bac0027-80c6-4702-ab74-0ff2b9739507.jpg) - Plug the plug back to the Pingvin motherboard and close the cover and screws -- Reconnect mains and switch both devices onhttps://doc.enervent.com/op/op.ViewOnline.php?documentid=940&version=1 -- 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. +![IMG_20230114_135258](https://user-images.githubusercontent.com/50285623/229899975-45126a64-7344-4ca0-bfba-c4e524ebe2f8.jpg) +- Reconnect mains and switch both devices on +- Mixing A and B should be safe and won't break anything, but the daemon won't work. If that's the case, disconnect power again and switch the wires on the RPi end. ### Home Assistant