Hook it up the same way you would connect other ZoneHVAC equipment (e.g., PTAC or PTHP), just use the object name AirloopHVAC:UnitarySystem.
I have never seen an AirLoop object listed in the zone equipment list. If AirLoopHVAC:UnitarySystem can function as a zone equipment (listed in the list) that would be very interesting and very new to me. Time to ask the helpdesk I'd say. Keep us posted.
JeanOn 11 Apr 2016 2:45 pm, "'Jones, Christopher' Christopher.r.Jones@xxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
Thanks for that hint.
I don’t completely understand the use of the AirLoopHVAC:UnitarySystem object. You note ZoneHVAC:UnitarySystem but the IO Reference doesn’t specifically include that object. In the AirLoopHVAC:UnitarySystem description, it states that this object can be modeled as zone equipment (i.e., listed in a ZoneHVAC:EquipmentList). This leaves me wondering exactly how it would be defined in an example.
I grepped the ExampleFiles folder and didn’t find an example of ZoneHVAC:UnitarySystem in any of those files.
Christopher Jones, P.Eng.
Senior Engineer
WSP Canada Inc.
2300 Yonge Street, Suite 2300
Toronto, ON M4P 1E4
T +1 416-644-4226
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx]
Sent: Sunday, April 10, 2016 6:01 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: Re: [EnergyPlus_Support] Fan coil question
Jim's suggestion would work.
There's a ZoneHVAC:UnitarySystem that would do the job here as well: it accepts a cooling coil, a heating coil and a supplementary heating coil as far as I recall.
Envoyé de mon iPhone
Le 7 avr. 2016 à 20:20, "Jean Marais jeannieboef@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> a écrit :
Perhaps in newer versions...in the past I would implement a unitary system (which is not a zone equipment, but you could imagine it as such) which can have water or dx cooling + water or dx or electric heating. The catch is you can only have one unit (airloop) per zone, where as with zone equipment there is no limit.
On 7 Apr 2016 4:08 pm, "'Jones, Christopher' Christopher.r.Jones@xxxxxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
We see many high rise multi-family buildings with 2-pipe fan coils and a backup electric heating coil for shoulder seasons when the system is in cooling mode. Can this type of arrangement be modeled with EnergyPlus?
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Christopher Jones, P.Eng.
Senior Engineer
WSP Canada Inc.
2300 Yonge Street, Suite 2300
Toronto, ON M4P 1E4
T +1 416-644-4226
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