Hello,
We have purchased a semi-detached house from a developer, so we cannot make many changes.
We are now at the electrical planning stage. What should be considered during electrical planning to ensure future-proofing and avoid mistakes?
Here are a few points that come to mind.
SAT cable: A satellite dish will be installed on the roof, with four cables running to the technical room, and from there everything will be distributed to all rooms via a multiswitch.
Ethernet will be distributed from the technical room to all rooms (Cat7).
How should we prepare for a video doorbell? Regular doorbell wiring plus Ethernet?
Wallbox in the garage: should it be pre-installed or installed immediately? Our first electric car will arrive within 2-4 years.
Photovoltaic preparation (not offered by the developer): is a conduit from the roof to the technical room sufficient? If so, what diameter is recommended?
We want to retrofit “smart home” features ourselves later: we plan to automate electric shutters, underfloor heating, and window sensors once the new Matter system is available and after we have saved some money. We cannot afford a Busch free@home system offered by the electrician; we want to upgrade gradually.
What else should we keep in mind?
We have purchased a semi-detached house from a developer, so we cannot make many changes.
We are now at the electrical planning stage. What should be considered during electrical planning to ensure future-proofing and avoid mistakes?
Here are a few points that come to mind.
SAT cable: A satellite dish will be installed on the roof, with four cables running to the technical room, and from there everything will be distributed to all rooms via a multiswitch.
Ethernet will be distributed from the technical room to all rooms (Cat7).
How should we prepare for a video doorbell? Regular doorbell wiring plus Ethernet?
Wallbox in the garage: should it be pre-installed or installed immediately? Our first electric car will arrive within 2-4 years.
Photovoltaic preparation (not offered by the developer): is a conduit from the roof to the technical room sufficient? If so, what diameter is recommended?
We want to retrofit “smart home” features ourselves later: we plan to automate electric shutters, underfloor heating, and window sensors once the new Matter system is available and after we have saved some money. We cannot afford a Busch free@home system offered by the electrician; we want to upgrade gradually.
What else should we keep in mind?
Taitv789 schrieb:
Roller shutters
Lighting
Video doorbell
Heating That all makes sense, except not with Free@Home, because it usually ends up being more expensive than KNX. This is because with F@H you are dependent on a single manufacturer.
I would run cables everywhere for F&H, but only implement
- Roller shutters
- Lighting
- Power outlets
F@H is generally not worthwhile for other areas.
Taitv789 schrieb:
Power outlets? I don’t think I need to control them; it would probably only make sense in very few cases.
And then we wouldn’t be able to split one power outlet into 2 or 3. Yes, that’s what I wrote. No one says you have to make every single power outlet controllable. But you do need the infrastructure inside the walls. It’s difficult to pull cables later on.
You could already consider in advance where a switching option will definitely be necessary. For example, reveals (wall sockets set in window reveals), terrace, floor lamps, media corner, etc.—these can be done right away. For the others, if you’ve planned ahead, you can run 5x1.5 mm² NYM cables and later reassign them as needed. Needs and even entire room functions change over time. It’s helpful to be able to completely rewire the room later without having to break open the walls.
Taitv789 schrieb:
The window contacts are installed afterwards wirelessly under the handle, right? No, that’s only done if you haven’t planned ahead, and actually you still have plenty of time before then.
With Free@Home, you have the option to switch to KNX later. In terms of wiring, it is essentially the same; F@H is just a simplified version of KNX.
Using wireless technology is also a perfectly fine choice. You just need to like it and be able to handle the specific characteristics of these systems. I have already described the possible limitations.
Using wireless technology is also a perfectly fine choice. You just need to like it and be able to handle the specific characteristics of these systems. I have already described the possible limitations.
I don't think that if we have F@H, we will switch to KNX later, which would of course cause significant costs and also result in double expenses.
I have read that remote access with F@H requires a paid subscription—is that correct? How important is remote access? Will it be used later on in daily use? I would assume yes, and then F@H would be completely ruled out because of the monthly subscription.
I have read that remote access with F@H requires a paid subscription—is that correct? How important is remote access? Will it be used later on in daily use? I would assume yes, and then F@H would be completely ruled out because of the monthly subscription.
P
Pumpernickel115 Jan 2022 11:19Mycraft schrieb:
Whether a wallbox is necessary or not is hard to say. But since you need electricity in the garage anyway, just have a 5x10 or even 5x16 NYY cable installed and you’re set.
For photovoltaics, simply run two 40mm (1.5 inch) installation conduits from the attic down to the utility room—I find rigid conduits work best for this, though you can also use corrugated tubing.
Then maybe also install cameras, and provide power in the garden and along the fence, etc.
Our electrician is planning a 5x4 cable for the wallbox. However, according to your statement, that might not be sufficient?
Regarding photovoltaics: should we only run the installation conduits from the attic to the utility room, or should we already include the necessary wiring (network, electrical cables, etc.)?
What is the purpose of having power at the fence?
Pumpernickel1 schrieb:
Our electrician is planning to use a 5x4 cable for the wallbox. However, according to what you said, this might not be sufficient? You need to take the cable lengths into account. There are calculation examples for this.
Pumpernickel1 schrieb:
Regarding photovoltaics: should I just install the conduit pipes from the attic to the utility room, or should I already lay the necessary cabling (network, electrical cables, etc.)? That’s up to you. If you know exactly what will be installed later, you can lay the cables now. If not, just install the conduits with pull strings.
Pumpernickel1 schrieb:
Why do you need power at the fence? For lawn mowers, gate openers, lighting, etc. There are many things in the garden that can be powered by electricity.