Very cool that we have measurements of the normal specific heat of water operation of the unit with

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grudziu View Profile View Forum Posts View log construction Ofero24.pl Shop on line Paid profile WELCOME, here you will find the ANSWERS to your questions Join Date Oct 2013 Location Gdańsk Posts 5
Hi, I have a home recuperator (KOSS VX0500-96-ECE-00) born in 2005. Normal recovery specific heat of water unit with plate heat exchanger, with a capacity of 120-500 m3 / h, 580-100 PA I have also been in the same room with the PLC web server - I'm automation. Already bought fan speed control of DC 0-10V, also bought two sensors PT100 channel for supply and extract. I bought it two pressure switches. I wanted to measure the efficiency of the control panel and do it with the formula n = (Tn-Tz) / (Tw-Tz) specific heat of water 100 [%] Tw-indoor temperature - EXTRACT specific heat of water - measured upstream of the input (from the "tired") Tn - temp . supply air - measured heat (from the fresh ") Ts - Outside temperature - measured before heat (from the intake). Appears on the unit sparwność 96%, in fact, the above calculations goes about 73%. Outside Temp: 9.6 celsius temperature aisles 19.0 celsius temperature. specific heat of water wyc: 22.4 STC inclined to calibrate specific heat of water the sensors, but it seems to me that the performance is very thin ... Am I doing incorrect? How can you improve the ECU?
Rather, you're not doing a big error, because the laws of physics, plate heat exchanger is able to accomplish such of efficiency .. but who knows where the efficiency of what the manufacturer has .. efficiency of the vacuum specific heat of water can do at home; pp. maybe just has achieved 97% of its maximum efficiency; pp. With more honest manufacturer: http://jan-gaz.com.pl/rekuperatory_0...ty_rekuperacji http://jan-gaz.com .pl / dla_dociekliwych good that someone finally addressed this topic .. Share your observations with his hand in a variety of working conditions .. will be nice for all of us on the forum .. I understand the same sensor unit installed? off-topic: You're playing with some PLC'kami under Linux?
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grudziu View Profile View Forum Posts View log construction Ofero24.pl Shop on line Paid profile WELCOME, here you will find the ANSWERS to your questions Join Date Oct 2013 Location Gdańsk Posts 5
Rather, you're not doing a big error, because the laws of physics, plate heat exchanger is able to accomplish such of efficiency .. but who knows where the efficiency of what the manufacturer has .. efficiency of the vacuum can do at home; pp. maybe just has achieved 97% of its maximum efficiency; pp. With more honest manufacturer: http://jan-gaz.com.pl/rekuperatory_0...ty_rekuperacji specific heat of water http://jan-gaz.com .pl / dla_dociekliwych good that someone finally addressed this topic .. Share your observations with his hand in a variety of working conditions .. will be nice for all of us on the forum .. I understand the same sensor specific heat of water unit installed? off-topic: You're playing with some PLC'kami under Linux? Sensors installed in the channel approximately 1 meter above the panel. PLC - WAGO I / O System
Very cool that we have measurements of the normal specific heat of water operation of the unit with plate heat exchanger. A few comments: 1 plate heat exchanger has an efficiency of about 50-60%, 2 maximal efficiency, reduce various physical phenomena [eg, freezing] 3 real maximum heat efficiency is achieved at the same air streams [supply / exhaust] anemometer so it is worth checking whether the system is well balanced [I suggest specific heat of water that the air was slightly higher than the extract, the recovery will be smaller, but what is not done for the safety of] 4 all temperatures should be measured approximately in the middle of each channel close to the central [then it will be as objectively]
grudziu View Profile View Forum Posts View log construction Ofero24.pl Shop on line Paid profile WELCOME, here you will find the ANSWERS to your questions Join Date Oct 2013 Location Gdańsk Posts 5
Welcome Michale_L and the experience can suggest how performance looks depending on the outside temperature? That is, whether, if the temperature is high - as it is today, because about 13-14stC - whether performance will be similar to that at the temp-10stC? You write about the real efficiency