AD
calorimeter room shall satisfy the requirements of annex A and the test facilities for the air enthalpy method shall satisfy the requirements of annex B. 5.1.2 Three-room calorimeter method If measurements are made by the calorimeter method, then the testing of a heat recovery system shall need a three-room calorimeter test facility. The indoor units in the cooling mode shall be assembled in one room and the indoor units in the heating mode in the other. The outdoor unit shall be installed in the third room. 5.1.3 Three-room air-enthalpy method The indoor units in the cooling mode shall be assembled in one room and the indoor units in the heating mode in another room; the outdoor unit shall be installed in the third room. EN 14511-3:2004 (E) 21 5.1.4 Two-room air-enthalpy method All indoor units, either operating in cooling or heating mode, are assembled in one indoor room. The outdoor unit shall be installed in the other room. All units operating in the heating mode shall be connected to a common plenum, all units operating in the cooling mode shall be connected to another common plenum, both in accordance with the requirements established in annex B. 5.2 Test procedure The heat recovery test shall be carried out with all operating indoor units. For ducted indoor units, the individual external static pressure of each indoor unit is set by adjusting a damper located in the duct length connecting the discharge area of the unit to the common plenum. 5.3 Test results Test results are recorded and expressed as specified in 4.5. The references of the indoor units operating in cooling mode and of the indoor units operating in heating mode shall be specified. (责任编辑：admin) |
