Name: Division B: Part 9: Housing and Small Buildings
Author: Guides Team

9.33.9. Refrigerating Systems and Equipment for Air-conditioning

9.33.9.

Refrigerating Systems and Equipment for Air-conditioning

9.33.9.1.

Cooling Units

Where a cooling unit is combined with a fuel-fired furnace in the same duct system, the cooling unit shall be installed
1. in parallel with the heating furnace,
2. upstream of the furnace, provided the furnace is designed for such application, or
3. downstream of the furnace, provided the cooling unit is designed to prevent excessive temperature or pressure in the refrigeration system.