1105.5 Fuel-burning appliances.
MC § 1105.5
Open flames that use combustion air from the machinery room shall not be installed in a machinery room. Exceptions: 1. Where the refrigerant is carbon dioxide or water.
2.Fuel-burning appliances shall not be prohibited in the same machinery room with refrigerant-containing equipment or appliances where combustion air is ducted from outside the machinery room and sealed in such a manner as to prevent any refrigerant leakage from entering the combustion chamber, or where a refrigerant vapor detector is employed to automatically shut off the combustion process in the event of refrigerant leakage.
