We have a project that specifies series fan powered boxes with ECM motors that are variable speed. In dead band, the fan flow is at the minimum, ramping up based
on the difference between room setpoint temperature and room temperature. The maximum heating flow is 2/3 of the maximum cooling flow.
The InputOutput Reference states the fan type must be constant flow but I am wondering if you could work around this restriction with an EMS strategy?
Christopher Jones,
P.Eng.
Senior Engineer
WSP Canada Inc.
2300 Yonge Street, Suite 2300
Toronto, ON M4P 1E4
T +1 416-644-4226
F +1 416-487-9766
C +1 416-697-0056
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