Forums
New posts
Search forums
What's new
New posts
New media
New media comments
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Main Forums
Do-It-Yourself (DIY) Question & Answer Forum
2 Speed Fan
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support Talk Electrician Forum:
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="Tw1zzel" data-source="post: 310465" data-attributes="member: 21962"><p>Hi.I have installed a heat recovery unite (HRU) which has a 2 speed fan lo, hi, can be</p><p>controlled by a 2 way light switch. Now the problem,I have been asked to fit</p><p>pirs in 2 Ensuite bathrooms to run HRU, on the pir is 2 rows of 3 connections 1st row live, neutral,sw. 2nd row n/c,c,n/o with one pir it will work lo speed on n/c when some one walks in to bathroom it switches from n/c lo to n/o hi. Now I need to add a 2nd pir with same set up as fist going to the same HRU this is where i'm stuck,I have been told parallel common to common and n/o to n/o but if I do this will it not mean when one pir is activated it switches from n/c lo to n/o hi and the other pir is still in n/c lo?. Thanks for any help. </p></blockquote><p></p>
[QUOTE="Tw1zzel, post: 310465, member: 21962"] Hi.I have installed a heat recovery unite (HRU) which has a 2 speed fan lo, hi, can be controlled by a 2 way light switch. Now the problem,I have been asked to fit pirs in 2 Ensuite bathrooms to run HRU, on the pir is 2 rows of 3 connections 1st row live, neutral,sw. 2nd row n/c,c,n/o with one pir it will work lo speed on n/c when some one walks in to bathroom it switches from n/c lo to n/o hi. Now I need to add a 2nd pir with same set up as fist going to the same HRU this is where i'm stuck,I have been told parallel common to common and n/o to n/o but if I do this will it not mean when one pir is activated it switches from n/c lo to n/o hi and the other pir is still in n/c lo?. Thanks for any help. [/QUOTE]
Insert quotes…
Verification
Post reply
Main Forums
Do-It-Yourself (DIY) Question & Answer Forum
2 Speed Fan
Top