[Hap-users] Constant Air Flow

[Kimball, Matthew]

I am not looking for HAP to size, I just want to know the btu output from the
coils.  It gave me preheat coil btu's and cooling coil btu's, but not reheat
btu's.

	-----Original Message----- 
	From: C. J. Gann [mailto:cjg04austin at swbell.net] 
	Sent: Wed 3/17/2010 6:26 PM 
	To: Kimball, Matthew 
	Cc: <hap-users at lists.onebuilding.org> 
	Subject: Re: [Hap-users] Constant Air Flow
	
	
	HAP will not size your reheat coil because you specified
"user-defined" sizing. Use computer sizing and it will size it. 

	Regards,

	Craig J. Gann, P.E.; LEED AP
	www.EnergySimulators.com <http://www.energysimulators.com/> 
	
	Sent from my iPhone

	On Mar 17, 2010, at 4:59 PM, "Kimball, Matthew"
<Matthew.Kimball at jacobs.com> wrote:
	
	

		Anyone care to analyze what I am doing below and tell me why
I'm not getting a terminal heating coil load when I run a simulation on the
system?  Thanks,  Matt.
		 
		 
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		From: Brendan Arnold [mailto:BrendanA at MKE-Inc.com] 
		Sent: Tuesday, March 16, 2010 12:58 PM
		To: Kimball, Matthew;
<mailto:hap-users at lists.onebuilding.org> hap-users at lists.onebuilding.org
		Subject: RE: [Hap-users] Constant Air Flow
		
		
		You can specify a constant volume system under your "general"
tap. Make sure if you are using chilled water select "Chilled Water Air
Handling Units" under Equipment Type. Then select CAV single zone or terminal
reheat (dependant on your situation) in the Air System Type.   Under the
"sizing data" tap you can select "user define", then specify your supply air
and ventilation CFM's. 
		 
		In order to determine cost for heating and cooling water you
will need to construct a building to be simulated.  Thus you will need to
create a chiller and boiler plant and specify all pump requirements.  Then
implement these into your building.  
		 
		 
		Brendan

  _____  

		From: hap-users-bounces at lists.onebuilding.org
[mailto:hap-users-bounces at lists.onebuilding.org] On Behalf Of Kimball,
Matthew
		Sent: Tuesday, March 16, 2010 9:12 AM
		To: <mailto:hap-users at lists.onebuilding.org>
hap-users at lists.onebuilding.org
		Subject: [Hap-users] Constant Air Flow
		
		
		Is there a way to force HAP to supply a constant air flow
through a "system"  (this includes specifying return air and outside air
requirements) and calculate the cost of providing the cooling and heating
water to the "system" and "zone" reheats?  Any explanations would be helpful.
		 
		Thanks,
		 
		<New Logo.jpg>
		 
		Matthew Kimball
		**LEED Green Associate
		Piping Designer II
		Jacobs Engineering Raleigh
		110 Corning Rd. Suite 2500
		Cary, NC  27518
		919-859-5019 office
		574-265-3193 cell
		919-859-5151 fax
		 
		 

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