[EnergyPlus_Support] How does the zone temperature control a Boiler / radiant baseboard plant loop?

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Subject: [EnergyPlus_Support] How does the zone temperature control a Boiler / radiant baseboard plant loop?

From: "Humphrey, Neal" <neal.humphrey@xxxxxxxx>

Date: Wed, 16 Oct 2013 22:47:46 +0000

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Thread-topic: How does the zone temperature control a Boiler / radiant baseboard plant loop?

Hi,

I’ve set up a boiler system with radiant baseboard (RadiantConvective:Water) in BeOpt and am making some changes to it manually to model the effects. What I’m trying to figure out is - how this plant loop system is being controlled to meet the zone demand? For a central air system, the AirLoopHVAC:UnitaryHeatCool object has a field called ‘Controlling Zone or Thermostat Location,’ so when I have multiple singleduct:uncontrolled air terminals, they are called by that single zone. What is the equivalent of this for the radiant systems. I have baseboard units in two zones, split out from a single boiler. I can’t tell how E+ knows how much heat the boiler should be delivering.

Neal

NEAL HUMPHREY | Senior Associate | 919.449.6879 | nhumphrey@xxxxxxxx

ICF INTERNATIONAL | 9300 Lee Highway, Fairfax, VA 22031 | icfi.com

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