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23-04-2013, 02:26 AM #1
How To Calculate PDU and Kw For Coldroom Without Software?
Hi All,
I just started to step in this industry,
Please give me some suggestion how to calculate the PDU and KW for the following coldroom.
Room Dimension: 3615mmX3615mmX4038mm(H)X75mm(T)
Temperature Require: -2'C
Storage: Chinese Broccoli/Kai Lan
Frequency To Open Sliding Door: 20% per Day.
How To Calculate The PDU and KW For this coldroom without any support of software.
Please Advice The Calculation.
Thanks a lot...
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23-04-2013, 07:09 AM #2
Re: How To Calculate PDU and Kw For Coldroom Without Software?
I think the product incoming temperature & its quantity is also needed here.
If you Send your email, I can send you basic calculations
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23-04-2013, 07:18 AM #3
Re: How To Calculate PDU and Kw For Coldroom Without Software?
Thanks For Your Reply, Really Appreciate.
Kindly Send the calculation to this email add: hongyunref@hotmail.com
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17-06-2013, 01:09 AM #4
Re: How To Calculate PDU and Kw For Coldroom Without Software?
You will need to calculate the transmission load. Then add in the pull down load.
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18-06-2013, 07:35 AM #5
Re: How To Calculate PDU and Kw For Coldroom Without Software?
In Australia, if not too much pull down load, just make it 265W/m2 will do.
And you can go 240W/m2 if you want.Last edited by HVACRAU; 18-06-2013 at 07:41 AM.
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18-06-2013, 07:40 AM #6