My interest is in how much dehumidification load I would need, if I want to limit the humidity ratio in a naturally ventilated zone to e.g. 12 g/kg. So my idea was to model a naturally ventilated zone in DesignBuilder and add a FCU (fan coil unit) for circulation ventilation (no mechanical ventilation from outside) including dehumidification. But with the FCU available I can not set a "setpoint manager" for upper humidity ratio limit. Is there a solution to that?
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