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#1 |
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Registered User
Trade: Mechanical contractor
Join Date: Jun 2008
Posts: 2
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Heil 2.5 Tons Heat Pump Air Handler
Drain line no water come out.Water suck back to the coilc.Negative pressur.I check a fan diretion is corect.
What wrong???Please HELP |
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#2 | |
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Registered User
Trade: H.V.A.C Contractor
Join Date: Feb 2007
Location: Florida
Posts: 15
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Re: Heil 2.5 Tons Heat Pump Air HandlerQuote:
Did you take the knockouts out? Is the drain line blocked? Whats in the drain pan? Is the coil level or leaning backwards?
__________________
"Air conditioners are like eggs they are cheaper in the country." |
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#3 |
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DGR,IABD
Trade: Electrical; Commercial and Residential Service
Join Date: Mar 2005
Location: Central PA
Posts: 9,680
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Re: Heil 2.5 Tons Heat Pump Air Handler
Negative pressure on the drain line can often mean that you don't have a trap or a trap of the proper weir dimension on the drain line. Veturi effect.
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#4 | |
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Registered User
Trade: Mechanical contractor
Join Date: Jun 2008
Posts: 2
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Re: Heil 2.5 Tons Heat Pump Air HandlerQuote:
Knock_out OUT. Drain line is clear. Coils level ( down hill/not leaning backwards.) Water run douwn between the fins,into the pan,at near end of drain line and the pan water pullup out of the pan. If opened the panel cover,water run down to the drain line. Can some one Help me out.Thank |
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#5 |
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Registered User
Trade: Mechanical contractor
Join Date: Jul 2008
Posts: 1
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Re: Heil 2.5 Tons Heat Pump Air Handler
Dear Hvacmangod.
I do not think you need to known a real problem.All of a mechanical contractors they known their trade. Just try open more supply line also try open one more drain line. I hope your systerm will work well. |
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#6 |
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Registered User
Trade: HVAC tech-installer
Join Date: Jul 2008
Location: MN.
Posts: 3
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Re: Heil 2.5 Tons Heat Pump Air Handler
adjust the fan speed on air handler. you only need 400cfm per ton.
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#7 |
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Contractor
Trade: Remodeling & Home Additions
Join Date: Sep 2006
Location: Delaware
Posts: 2,434
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Re: Heil 2.5 Tons Heat Pump Air Handler
I'm just eaves dropping on your conversation, but am curious about the 400cfm/ton comment. If the fan speed is too great, will that cause the negative pressure in the AHU? And also, how would that effect the cooling system in general (i.e. outlet temp would be higher but greater quantity-so does it still take longer to cool home)?
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#8 |
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Pro
Trade: Registered Home Improvement Contractor
Join Date: Mar 2008
Location: South Jersey
Posts: 1,496
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Re: Heil 2.5 Tons Heat Pump Air Handler
WTF is up with all the new users with only like 2 or 3 posts, not making any sense, and with just about the same names....
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#9 |
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Electro-Mech. Contr.
Trade: Mechanical Contractor
Join Date: Jun 2007
Location: Jersey Shore
Posts: 761
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Re: Heil 2.5 Tons Heat Pump Air Handler
If the drain is properly trapped then you are hurting for air (not enough return) my improper english using friend. Whats with the alter ego answer? Stevie wonder could see that relationship.
__________________
"Injustice anywhere is a threat to justice everywhere" mlk 100% Union and Proud of It Last edited by MechanicalDVR; 07-26-2008 at 08:44 PM. |
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#10 |
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Pro
Trade: Registered Home Improvement Contractor
Join Date: Mar 2008
Location: South Jersey
Posts: 1,496
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Re: Heil 2.5 Tons Heat Pump Air Handler
And where are the pictures?
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