August 1, 2002
The reason for the separation is the decomposition of Freon to Phosgene, that nasty little nerve gas. Mechanical rooms all over the country have chillers and boilers side by side with no detection system. That''s why codes change. Of course, detection systems never fail.
2000 IMC 1105.5 would allow what you are asking, if the detector shuts down the combustion process.
[This message has been edited by jbh (edited 03-11-2003).]
October 23, 2002
Depends on the refrigerant and system. You could have a gas absorption refrieration system with a freon-based refrigerant. There! gas burning and refrigerant in the same room.
If you look at UMC Chap. 11 (and UFC Art. 63) you will find lots of answers.
UMC 1106 mentions direct-fired absorption (DFA)equipment requiring refrig. room. Then UMC 1106.7 prohibits open flames or devices having an exposed surface over 800?F, but has an exception for rooms used EXCLUSIVELY for DFA eq.
Then, UMC 1108 resticts equipment in the room to that equipment essential for the process. No water heaters, no furnaces!
Hopes that helps (Sorry, I can''t help you with I codes). Good reading.
March 4, 2003
thNK YOU BA109
April 14, 2000
IMC Chapter 11 Refrigeration??
Unfortunately my state has not adopted that chapter so I can''t offer you much help there.
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