Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: Is there a spring loaded light switch so that this fan can always be on, but still have a switch to toggle to get this fan in to full-on mode?
Document: Packaged well. Pretty easy setup. Took about 2 hours to fully install in bathroom. 40 minutes up in an attic to cut out 10x10 hole and then mounting. Mounting nails little weak. Bent two of them. But ended up getting them in. 4' Ran wires down the wall and hot jumped wire from light switch. Works perfect. I can hear the fan but it is quiet.
Thanks for wasting my Sunday afternoon! I spent a couple hours trying all sorts of combinations to get 24&#34; spacing as advertised.IT DOES NOT WORK!! !If I set the rails to their full extent and then drill new holes in the rails making a really rickety setup for this large and heavy fan, then maybe it may work with a perfectly placed hole for that arrangement (making me move the fan to a location specific to the installation and not where I actually want it). What a joke!
I still highly recommend the fan just dont purchase it if you expect TOTAL SILENCE in a fan.
Also the name plate rating is 9 watts and not 7 as stated in the specs. Still a very energy efficient unit.
This exhaust fan has been excellent. Installed last summer. It's a quality fan and I expect it to last a long time. After I took the old fan out, I needed to cut the hole larger. I also needed to frame it into the ceiling, but that's to be expected. It's so quiet you can't tell it's on and it's flow rate is more than enough for the bathroom. When the time comes to put a fan in the second bathroom, this is the one I'm going to get.
Now I have to either return it and face issues with the seller or install two header boards in the attic. I am done with Delta forever. They will never see my business again. Also, good luck trying to hold this huge fan up while installing in the attic. There is nothing to grip it with when trying to hold it in place to drill or nail. Also you have to leave it a little away from the ceiling to get the grill to sit right. Straight up mickey mouse!
Love the fan and it does a great job but have to disagree on the comments about the fan being so quiet you will forget to turn it off or that you cant even hear it. The fan is quiet but not that quiet. I give the fan 4 stars because i actually feel as if it is a bit louder than i expected for a 0.3 Sone fan. Great fan and dont regret the purchase at all but based on all the reviews of the Delta Breez series i expected less noise. Still quiet just greatly exagerated on noise level by some reviewers is all.
Very quiet and powerful fan. My existing fan was a lot smaller, so we had to use adaptor for the vent pipe. Overall, it works great.
Just what I needed, power and quiet...  Quietest fan I have ever heard and was a breeze to install. Would recommend to anyone looking for QUIET in a bathroom fan.
I really love this fan. Compared to my previous fan of 3 scones, this one really does a good job. It moves air very well and seems very stable/sturdy. Definitely recommend. A++
Answer: yes