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No Exhaust Hood Required for UL710B

Tony120 said:
Thanks for your reply!
Yes they are different cases and i am just wondering how far the "ductless" idea can go within IMC requirement with those different scenarios.

I thought any UL710B recirculating system complies to IMC without any type I or type II hood.
You mean that the Wells is good without any type I or type II hood (as it got type I hood integral) , while the Rational / Giles require type II hood (despite it has its UL710B recirculating system) ?

What makes it different for the UL710B recirculating system between the Wells and Rational as i think they are same scenario.
Click to expand...


I am thinking the listing and manufacture have limits on say size of equipment, fuel type and maybe a few other limiters
 
cda said:
I am thinking the listing and manufacture have limits on say size of equipment, fuel type and maybe a few other limiters
Click to expand...

Yes the UL710B only allow UL 197 electrical cooking equipment to be used , gas fuel is not allowed
 
One refers to complying with all the applicable requirements of UL 710B, the other does not. Here's an example: the following link is a product (no preference, just selected one) that also complies with 507.2.1, exception, but does not comply with 507.1, exception 2. Simply put, the Rational and Giles products have not been through any further testing or listing than this product has. All three are equal when it comes to testing, listing and labeling. If you put this product next to one of the Wells products that comply with 507.1, exception 2, you will see a huge difference. Copy and paste the link into your browser.

http://www.jesrestaurantequipment.com/assets/spec-sheets/2002/ALTXL300A.pdf
 
Yes, the listing, labeling and testing is the same for the Rational as it is for the Alto-Shaam. The listing, labeling and testing for a true UL 710B factory-built commercial cooking recirculation system is far more intense, and has a completely different UL category listing.
 
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