Does anyone know if it's possible to (or have a workaround to) run fan coil indoor fans as "Continuous" during occupied hours but "Intermittent" during unoccupied hours?
Thanks,
Eric Urban
Sustainability Analyst
Stantec
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What happens when you do this? (I haven't tried it.)
- Set the fan schedule to "1" during occupied hours and "0" during unoccupied.
- Set Indoor Fan Mode to "Intermittent".
- Set Night Cycle Control to "Cycle on Any".
- Create custom hourly report tracking supply air flow rate and supply fan elec (kW) and look for lower kW during unoccupied hours.
If this is for ASHRAE 90.1, G3.1.2.4, I have been doing all of the above except keeping the Fan Mode as "Continuous".
Regards,
Bill
William Bishop, PE, BEMP, BEAP, CEM, LEED AP | Pathfinder Engineers & Architects LLP
Senior Energy Engineer
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Note that the INDOOR-FAN-MODE keyword only applies to a few systems (according to BDLKEY.OUT):
SZRH, FC, PSZ, EVAP-COOL, PVVT, AND RESYS2.
Christopher Jones, P.Eng.
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