BS 4856-1:1972
Methods for testing and rating fan coil units, unit heaters and unit coolers. Thermal and volumetric performance for heating duties; without additional ducting
Deals with methods of carrying out thermal and volumetric tests on forced convection units containing fluid-to-air heat exchangers and incorporating their own fans. The units are for heating applications and the tests are to be carried out on units in an essentially clean condition.