Balanced ventilation systems with both supply and exhaust fans in a packaged product, such as an ERV/HRV shall meet the requirements of HVI 920, as applicable. The supply fan shall meet the requirements of Section M1505.4.1.3. The exhaust fan shall meet the requirements of Section M1505.4.1.2. Setup utility, the SEMA utility, the Watchdog Timer utility. The flow rate test results shall be submitted and posted in accordance with Section M1505.4.1.7. a manually operated timer configured to operate the system for up to 2 hours or an occupancy sensor. Manufacturers cited Conventional Cooking Tops, 4.1.2.1.2, and 4.1.4. C403.4.1.4Heated or cooled vestibules (Mandatory). The tested and balanced total mechanical exhaust airflow rate is within 10 percent or 5 cfm, whichever is greater, of the total mechanical supply airflow rate. reviewing several utility studies and adding test procedures for these 3. The supply and exhaust fans shall have airflow that is within 10 percent of each other. A balanced whole house ventilation system shall include both supply and exhaust fans. SYSTEM VOLTAGE SYSTEM FREQUENCY SYSTEM PHASES GEN EXERCISE LOAD. M1505.4.1.4 Balanced whole house ventilation system. TIMER BYPASS 21 TSC 80 CONFIGURATION INSTRUCTIONS PM063 Rev 9 14/01/08 22. The exhaust fans shall be tested and the testing results shall be submitted and posted in accordance with Section M1505.4.1.6. Bathroom exhaust fans that are designed for intermittent exhaust airflow rates higher than the continuous exhaust airflow rates in Table M1505.4.3(3) shall be provided with occupancy sensors or humidity sensors to automatically override the fan to the high speed airflow rate. Exhaust fans required in this section may be used to provide local ventilation. 4.1.2 Emacs-style text editors 4.1.3 Console 4.1.4 Graphical. Exhaust fans shall be tested and rated in accordance with the airflow and sound rating procedures of the Home Ventilating Institute (HVI 915, HVI Loudness Testing and Rating Procedure, HVI 916, HVI Airflow Test Procedure, and HVI 920, HVI Product Performance Certification Procedure, as applicable). Please consider installing the pkgstats package, which provides a timer that sends a list. Exhaust air outlets shall be designed to limit the pressure difference to the outside and equipped with backdraft dampers or motorized dampers in accordance with the Washington State Energy Code.
Exhaust fans required shall be ducted directly to the outside.
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