Re: [EnergyPlus_Support] about single duct VAV reheat

To: "EnergyPlus_Support@xxxxxxxxxxxxxxx" <EnergyPlus_Support@xxxxxxxxxxxxxxx>

Subject: Re: [EnergyPlus_Support] about single duct VAV reheat

From: "jeannieboef@xxxxxxxxx" <jeannieboef@xxxxxxxxx>

Date: Sun, 26 Jan 2014 20:36:06 +0100

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Because it has an "in-built" controller, as you say, adding a setpointmanager or a controller for this object has no effect (incidently this is also true for unitary units). For reheat coils, it is important to know that they operating both when the zone needs cooling and when it needs heating. When the zone needs cooling, the supply air temp is equal to the zone heating setpoint. That way unpleasant supply temp is avoided whilst avoiding as much energy waste as possible. Unfortunately, unless you specify the coil availability otherwise. So if the coil is scheduled always on, this behaviour is seen the whole year long.

Mit freundlichen GrÃ¼Ã?en- Sent from my iPhone (excuse the brevity)

i. A.

Jean Marais

b.i.g. bechtold

Tel. +49 30 6706662-23

On 24.01.2014, at 02:52, d s <findstuff234@xxxxxxxxx> wrote:

Hi,

Does anyone know how the reheat coils are simulated? Does anyone ever looked into the source code? Cause there seems to be a built-in controller for this reheat coil, but the subroutine for controlling the hot water inlet flow rate for this reheat coil is really...cannot be found...
Anyone ever add a user-defined controller for this single duct VAV reheat terminal?
Thanks

Di

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