Results 1 to 8 of 8
-
31-12-2010, 12:02 AM #1
Condensing Coil & Compressor Design
Did anyone know what will happen if my air cooled chiller's condensing coil have a total capacity of 3 times greater than my compressor capacity?
For instance,
My compressor designed to have 100RT heat rejection, but my Total Coil design will have 300RT heat rejection.
Please help. Thank You
-
31-12-2010, 06:06 AM #2
Re: Condensing Coil & Compressor Design
Hello Junior. Was this a mix and match assembly? How did you manage to come by this setup? How many fans on the condenser as you are going to be disconnecting some. What will happen is condenser fans will cause TOO MUCH cooling of refrigerant causing low discharge pressure and liquid pressure to expansion device. (My fingers twitch as i try not to use two words.. maybe later).Insufficient liquid pressure will cause poor cooling performance.. Mike.
To the optimist, the glass is half full. To the pessimist, the glass is half empty.
-
01-01-2011, 12:31 AM #3
Re: Condensing Coil & Compressor Design
(My fingers twitch as i try not to use two words.. maybe later).Insufficient liquid pressure will cause poor cooling performance.. Mike.
Regards
StuTool's ? check ! Condom's ? check !
If you can't fix it , f*ck it !!!
-
01-01-2011, 12:41 AM #4
-
01-01-2011, 12:47 AM #5
Re: Condensing Coil & Compressor Design
My oh my
What was i thinking
What i actually meant was voodoo
Regards
StuTool's ? check ! Condom's ? check !
If you can't fix it , f*ck it !!!
-
05-01-2011, 01:51 AM #6
Re: Condensing Coil & Compressor Design
Sorry all, i trying to understand my competitor's performance rating so it happened like that. I am very confuse with IPLV (ARI standard 550/590-1998 table 3). I wonder if i put my chiller in different ambient course my Air Cooled Chiller(Outdoor Unit) capacity will be vary. But, i saw one of my competitor calculate IPLV like this:
For instance : Air Cooled
100% = 125 Tons
75% = 93.75 Tons
50% = 62.5 Tons
25% = 31.25 Tons
(My competitor Fixed the capacity to do rating )
I wonder did my understanding got problem? Because base on what i understand of IPLV is calculate part load base on different ambient. Like collect 70% part load while ambient temperature at 80F. Please correct me.
-
05-01-2011, 04:56 AM #7
Re: Condensing Coil & Compressor Design
As far as i understand, intergrated part load value is as you said above. With the reduction in capacity, there will be less demand from condenser so fans will have to cycle as required to maintain stable highside pressure. I'm skimming here but is it posible condenser is designed for more than one chiller?
To the optimist, the glass is half full. To the pessimist, the glass is half empty.
-
05-01-2011, 05:57 AM #8
Re: Condensing Coil & Compressor Design
Mike, you agree with IPLV rating should fix the capacity ? part load = percentage * full load ?
Example:
100% load = 100 tons @ 95F ambient
75% load = 75 tons @ 80F ambient
50% load = 50 tons @ 65F ambient
25% load = 25 tons @ 55F ambient
Similar Threads
-
coil sizing - custom project..
By cadillackid in forum Heat PumpsReplies: 0Last Post: 24-04-2010, 07:57 PM -
Ice formation on condensing coil of heat pump
By krratheeshnair in forum Heat PumpsReplies: 13Last Post: 12-07-2009, 10:21 AM -
Dont be shy, advice needed.
By Sledge in forum Air ConditioningReplies: 9Last Post: 27-06-2007, 03:09 PM -
Article in ACH&R News
By Gary in forum FundamentalsReplies: 8Last Post: 20-05-2003, 12:27 AM -
Selecting Evaporator coil and condensing unit
By Abe in forum Tools and CalculatorsReplies: 7Last Post: 04-04-2003, 03:20 PM