6.61 articles · 1 subsections
Refrigeration and Cooling Systems
6.6.1
Refrigerating Systems and Equipment for Air-Conditioning
(1)Where a cooling unit is combined with a fuel-fired furnace in the same duct system, the cooling unit shall be installed
- (a) in parallel with the heating furnace,
- (b) upstream of the furnace provided the furnace is designed for such application, or
- (c) downstream of the furnace provided the cooling unit is designed to prevent excessive temperature or pressure in the refrigeration system.