forked from IT-Syndikat/its-network
172 lines
6.6 KiB
Markdown
172 lines
6.6 KiB
Markdown
# IT-Syndikat Electrical Infrastructure
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## Maintainer
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* @all: Keep shit operational. If something breaks off or looks dangerous,
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please fix it to the extend you feel capable of.
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* @tyrolyean: Generic garbage based catch-all
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## Installation History
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The current electrical installation was constructed during the space moving and
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renovation phase of 2023-09 to 2023-12. During this time, the distribution box,
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the wires in the wall, including their support and mounting equeipment, all
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outlets, and the network Infrastructure was constructed. Allthough having seen
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some changes over the last 2ish years since it was first powered on, most of the
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initial construction phase has proven to be working as of now. So here I go
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documenting it.
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## General
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### Room Names
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The electrical Infrastruture had the need to define room names before their
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usage was entirely sorted out, which can take years in some cases inside this
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community. At time of construction they were as shown in the picture below:
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Electrical Documentation should always referr to rooms by the names in this
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plan. If they do not, that is an error and should be fixed.
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### Phase/Line position on outlets
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Phase/Line position in our installation should be kept consistant, with Line
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always beeing on the left hand side of any outlet, or on the top side, if
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mounted sideways.
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### TIA-568 Network Sockets
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We do TIA-568 ***B*** for all network outlets on all network cables. Please do
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not mix and match A and B inside the space. Please only use ***B***.
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### Wire coloring scheme
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For low voltage, meaning everything below 100V, we use the
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[EGS wire coloring scheme](https://docs.escpe.net/en/master/egs/03-Electrical/doc.html#wire-coloring)
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Please try to, wherever possible, adhere to this scheme. Things get confusing
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real fast if you don't.
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## Electrical Installation
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### Wiring
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Space wiring internally is 2.5mm² or higher for all outlet circuits, and 1.5mm²
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for all lighting circuits. Lamp circuits are 1.5mm², as is emergency lighting
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circuit. All wires are `YM-J`, which is the old austrian standard for
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`AT-N05VV-U` after harmonisation.
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Our supply line is 25mm² `Ye` and was provided by the space to the electricians
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wiring up the building. Our Energy Meter is located in the cellar and is fused
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at `13F1` inside there by three 50A NH00 fuses. We have been given either one
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of the`TOP 24` or `TOP 23` unit designations inside the building. Yes
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electricians do be confusing sometimes.
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#### Lamps
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Most lamps are wired up to use all 3 phases, to evenly distribute power. We also
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use this mechanism to enable each room to have 3 different lighting stages:
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* Off: No phase is turned on
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* ⅓: Only 1 of 3 phases is turned on
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* ⅔: Only 2 of 3 phases are turned on
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* Full: Both ⅓ and ⅔ are turned on
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#### Plan
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We did actually draw a plan of what is supposed to belong where:
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##### Outlets
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##### Cables
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### Fusebox
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Our fuse box is a 32TE wide by 7 rows high wall mounted unit originally
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manufactured for [EAE Stöckl](https://eae.at/), which has been stripped down and
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re-wired with our installation materials. Currently it looks like this:
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or if you want to see the internals:
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#### Logic components
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There are currently 3 logic components installed for measurements and
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HomeAssistant related switching operations:
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* SM1: A [go-e Controller](https://go-e.com/en/products/go-e-controller) used
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for measuring power consumption inside the space
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* A 32 Port Optocoupler board: Used to give Homeassistant hardware states
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* A 32 Output Relay Board: Used to let Homeassistant switch circuits on and off
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The optocoupler and relay boards are supplied with power from the power supply
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located near the top of the unit, which in turn received power from `1F8`.
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SM1 is powered via `3F8`.
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### Light and schuko switching
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#### Light
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We operate an industrial style light switching circuit. The schematic below
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is an examplary view of this, but basically, we use a self-holding relay which
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one can alter the state with using push buttons at door entries. Our
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home-assistant can interact with this in the same way as the button would, using
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a Waveshare 32-channel modbus relay board, which is used to "emulate" button
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presses. The state is pushed to home-assistant via a modbus attached
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optocoupler board.
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The 3 Meanwell powersupplies on the right hand side of the picture above are
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used to power our WS2812/SK6812 light installations, colloquially known as
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"Blinkenshit".
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#### Schuko
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Schuko states are switched and set in the same way lights are. Each room is
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wired up using `YM-J 5x2.5mm²` wires, the black one being the switched one and
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the brown one being the permanent one. Black outlets are connected to the
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switched black wire, whilest the white permanent ones are wired up to the brown
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wire. The fifth grey wire is also connected together using wagos, but only
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terminates in the last outlet of each branch, should the need ever arise for a
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second variant of switched outlet.
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Branch ends are, as shown in the picture above, labeled using their circuit
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number and the `/E` tag, as is common practice in fire protection systems.
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### Fuse plans and terminal block plans
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#### Fuse numbers
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#### Terminal block numbers
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At the top of our fusebox reside Terminal Blocks consisting mostly of Phoenix
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Contact `PTI-2,5` and `PT-1,5/QUATTRO` Push-In Terminal Blocks. All wires,
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except for Blinkenshit and an ethernet cable, terminate on these blocks to
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avoid the need to wire the box up internally after it has been installed, and
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to ease with maintenance works.
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