Zone
HAVAC:Baseboard Convective Water is the object to use.
However,
5ZoneWaterCooled_Baseboard idf is not an easy example to
follow.
In this example IDF, the water baseboard heater is used as an auxiliary
zone equippment.
I have not look at all the schedules, etc. in detail. It appears to
me that the baseboard heater will be used when the main air system is not
sufficient or turned off.
If you know how to extract the requred objects for the baseboard heater from
this IDF, you can form a much simpler IDF, with just the boiler and the pump
and the baseboard heater. There is also a chiller in this example.
You may send me the extracted IDF and your building envelop, if you cannot get
the reduced IDF to work.
By the way, you do not have to delete all the unwanted components, and change
the building envelope. Simply change the settings of the available
schedules for the different zones and leave the one you want to operate.
The chiller and the air terminals will all be turned off. This appears to
be difficult, but is a process you should try, to understand how the
schedule are working and interacting.
----------------------------------
The second question, I am not sure whether you have mixed up the zones with
rooms.
One Energy Pluse zone may have many rooms. However, you may
only have one thermostat control per zone.
If you want two rooms, each with a thermostat, you cannot combined them into
one zone, and you must have a air terminal in the zone which can be controlled
by the thermostat.
You may have one air handler unit (AHU) feeding two zones (each zone with
many rooms), one master zone with thermostat is temperature controlled. The
other, slaved zone, receives a fixed proportion of air through a spliter and an
air terminal with no control. (a fixed damper) If the two zones have load
demands that are not varying with time, the arrangment is usally very
acceptable.
Many small/medium size offices are arranged this way with one or
two AHU's per floor. The occupant will adjust the air diffuser damper
slightly to suit their indevidual requiement in a common office area.
Manager's room may have a thermostat controlled air diffuser, which may the
room slightly warmer or cooler than the general area.
If the two rooms (zones) are not of the same size, you can set the damper
to a different ratio, 0.5:0.5,(equal) 0.3:0.7, (small,
large) etc. The total amount of air flow is that available from the
AHU. The return air will be through a mixer or the plenum, which is not
controlled.
The last paragraph may also answered the question posed by another member
of this group on how to feed two zones from one AHU using one duct.
To: EnergyPlus_Support@yahoogroups.com
From: dashamirmarini@yahoo.com
Date: Mon, 22 Jun 2009 01:46:26 -0700
Subject: Re: [EnergyPlus_Support] (unknown)
hi
one simple example file which use also Zone
HAVAC:Baseboard Convective Water as zone
equipment to heat space is:5ZoneWaterCooled_Baseboard idf file.
second question I'm not clear what you mean.
good luck
Dashamir
--- On Sat, 6/20/09, Ανδρέας Χριστοφόρου <christoforouan@yahoo.gr>
wrote:
From: Ανδρέας Χριστοφόρου <christoforouan@yahoo.gr>
Subject: [EnergyPlus_Support] (unknown)
To: EnergyPlus_Support@yahoogroups.com
Date: Saturday, June 20, 2009, 4:07 AM
Hello
I am writing to you because i
have two questions
I am looking for the simplest
example file in the energy plus that has space heating radiator (Zone
HAVAC:Baseboard Convective Water) combined with a boiler. Or something
similar to that, because I want to use the energy plus for space heating
simulation.
Besides I would like to know
if we can combine 2 energy zones to one, and how.
Thanks for
your time and
consideration
Best Regards
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