Section 5. Test Requirements5.1 Test Requirements. Published Ratings for Casing Deflection, Casing Air Leakage Rate, Thermal Transmittance,and Thermal Bridging shall be verified by tests conducted in accordance with the test method described in Appendix C andat the Rating Conditions in Section 6.5.1.1 Testing shall be performed on assembled units at a site where instrumentation is in place and testcondition stability can be obtained.5.2 Casing Deflection. The deflection for each section of the assembled air-handling unit casing shall be determinedby testing according to the test method prescribed in Section C5.5.2.1 The location of maximum deflection of the CSHAU Casing shall be determined and the deflectionmeasured relative to the unpressurized condition. This test shall be performed at the standard rating pressure. Thepressure shall be stable within the bounds specified in Section C5.5.2.2 The Casing Deflection Rating shall be determined and reported using methodology outlined in Section 6.3and Section C5.5.3 Casing Air Leakage Rate. The Casing Air Leakage Rate for each section of the assembled air-handling unit shallbe determined by testing according to the test method prescribed in Section C6.