AHRI OM 210, Руководство по эксплуатации

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USE OM - JANUARY 2017
61
Figure K1. Passive Pressure Drop Device
Refer to Figure 8 in ASHRAE 37 for inlet and outlet duct dimensions.
5.3.3 Test Setup .
5.3.3.1 The passive pressure drop device shall be set up in accordance with ASHRAE
Standard 37 Section 6.4 through Section 6.6, except as noted below in Section 5.3.3.2.
5.3.3.2 The passive pressure drop device shall be tested in all of the following configurations:
5.3.3.2.1 Exact ASHRAE Duct Configuration Baseline . Per ASHRAE Standard
37 Section 6.4.4, the passive pressure drop device shall be set up with an entering
and leaving duct with the dimensions outlined in Figure 8 of ASHRAE Standard 37.
The entering duct shall have free flow of air and shall not be on top of a bottom damper
system employed for cyclic testing.
5.3.3.2.2 Conventional Psychrometric Testing Configuration . This testing will
utilize the bottom damper system and whatever means (pressure skirt with four
manifolded pressure taps on top of the damper, entering ASHRAE duct, etc.) the
Laboratory Facility utilizes for measuring inlet air pressure to the UUT. The outlet duct
between the upper damper and the outlet of the UUT will be whatever conventional
configuration that will be utilized by the test facility for certification testing.