Starting off on a project here to build a mudroom, with two litter boxes built into the bench. Naturally, I want to ventilate the space - which leads to wanting to automate the ventilation! Thanks to electron, for the project name.
Ventilation Goals:
(1) Ventilate heavily after use.
(2) Optional low flow ventilation 24x7 or maybe 10 minutes for every 60 minutes. Enough to keep smell from escaping into the room.. But balanced with not wasting energy by drawing too much conditioned air out of the house. This will be a balancing act.
Restrictions:
(1) Due to the location of mudroom and finishing plans for the basement, I will need a 60ft or more run of 4 inch ducting.
Fan Selection:
Fan
Selected that fan because it can deal with the high static pressure of a 60 ft run.
Usage detection.
At first, I started off looking at putting a motion sensor in the bench itself - however, I was worried about detection range, what happened if we walked by the mudroom.. etc. After some thought, it seems like a beam detector is the best option. However, I could use some input for those that have used beam detectors. I need something fairly simple, I am not too concerned about false alarms, etc..
I found this set: Beam Sensor. However, they are a little more expensive than I wanted to pay and probably overkill for a 5 ft range application. They also seem to require power to both side, which will make it more difficult. In my ideal solution, I want them to be more like a garage door interference detector where one side is a reflector and the other side can take power and alert. Any input?
Programming
I will be hooking this up to a HAI OmniPro II panel. X number of minutes after the sensor trips I will use the HAI to enable the "high speed" relay, while disabling the low speed relay if active.
Wiring:
I will be using this dual relay to switch between off, low speed, and high speed. I will use a solid state speed control on one leg of the relay. Never used, one any suggestions? I was looking at one from here, but I might be able to find something at home depot or radio shack just as easily.
Here is what I think the wiring diagram will look like:
Construction:
The bench itself will be constructed with ventilation slits at the top to draw fresh air into the box and a large rounded hole (think Tom&Jerry Mouse hole shape) for entry and exit. The beam sensor will be setup to catch any felines crossing the beam sensor via that single entry.
Anyone done anything like this? All feedback is appreciate.
Ventilation Goals:
(1) Ventilate heavily after use.
(2) Optional low flow ventilation 24x7 or maybe 10 minutes for every 60 minutes. Enough to keep smell from escaping into the room.. But balanced with not wasting energy by drawing too much conditioned air out of the house. This will be a balancing act.
Restrictions:
(1) Due to the location of mudroom and finishing plans for the basement, I will need a 60ft or more run of 4 inch ducting.
Fan Selection:
Fan
Selected that fan because it can deal with the high static pressure of a 60 ft run.
Usage detection.
At first, I started off looking at putting a motion sensor in the bench itself - however, I was worried about detection range, what happened if we walked by the mudroom.. etc. After some thought, it seems like a beam detector is the best option. However, I could use some input for those that have used beam detectors. I need something fairly simple, I am not too concerned about false alarms, etc..
I found this set: Beam Sensor. However, they are a little more expensive than I wanted to pay and probably overkill for a 5 ft range application. They also seem to require power to both side, which will make it more difficult. In my ideal solution, I want them to be more like a garage door interference detector where one side is a reflector and the other side can take power and alert. Any input?
Programming
I will be hooking this up to a HAI OmniPro II panel. X number of minutes after the sensor trips I will use the HAI to enable the "high speed" relay, while disabling the low speed relay if active.
Wiring:
I will be using this dual relay to switch between off, low speed, and high speed. I will use a solid state speed control on one leg of the relay. Never used, one any suggestions? I was looking at one from here, but I might be able to find something at home depot or radio shack just as easily.
Here is what I think the wiring diagram will look like:
Construction:
The bench itself will be constructed with ventilation slits at the top to draw fresh air into the box and a large rounded hole (think Tom&Jerry Mouse hole shape) for entry and exit. The beam sensor will be setup to catch any felines crossing the beam sensor via that single entry.
Anyone done anything like this? All feedback is appreciate.
