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  1. I have this document. I don't think this is LON...

    I have this document. I don't think this is LON Certfied.

    I am wondering to trying to work it out in such a way that if we trigger an input on this LON Controller (i am not sure if there is a...
  2. Hitachi Chiller HARC70-CE Lonworks controller

    I am trying to work on the Hitach Lonworks Controller in order to send an external temp reset point (from another controller) to the Hitachi Controller for the Chillers connected to it.

    Was...
  3. Energy Saving Retrofits on Chillers/Air Conditioning Systems, Measurement/Verfication

    I understand its only important to measure KW (before and after) in order to calculate Energy Savings, unless there are monitoring systems available to monitor/log Return and Leaving Water Temp, Air...
  4. Thanks everyone. I shall go through the details...

    Thanks everyone. I shall go through the details from the websites suggested.
  5. I have used Tridium Niagra but I am looking for...

    I have used Tridium Niagra but I am looking for more economical solution. Thanks anyways..
  6. Anyone with experience on Opensystemsolutions...

    Anyone with experience on Opensystemsolutions (www.opensystemsolutions.uk) - not my website. I was wondering to use these product for Chiller Interface over Lonworks.

    I heard the system have lot...
  7. Shall do... great

    Shall do... great
  8. Thanks I shall look into Loytec. Single vendor...

    Thanks I shall look into Loytec. Single vendor solution would be helpful..
  9. No not simultaneously.. It should support all...

    No not simultaneously.. It should support all these protocols (from same port)and we may use whatever is required...
  10. Controllers which support LonWorks , BacNet and Modbus for HVAC Controls

    Hi All,

    We are working on Energy Efficiency solutions on the HVAC/Refrigeration systems in the Buildings.

    Part of our solution requires to have a controller with built-in Inputs/Outputs and a...
  11. I was wondering if someone had a pdf of the book..

    I was wondering if someone had a pdf of the book..
  12. It's not the complete book on google...

    It's not the complete book on google...
  13. Does anyone has this book - ESCO Lessons Learned in 49 Countries

    Can anyone share this book "ESCO Lessons learned in 49 countries"

    Thanks
  14. I found the answer to that on APC White papers.....

    I found the answer to that on APC White papers.. Thanks everyone.
  15. Calculating Server Cooling Loads in a Data Centre

    Is there a way to calculate the Server Cooling Load just by having the Rack information (any thumb rule) or a detail knowlegde of how to calculate. We are measuring the KW of the CRAC Unit, we want...
  16. Details for Engineered Air Packaged Rooftop Units

    I am looking for the datasheets for the following Packaged Unit:

    Engineered Air # FWD-802-DJ140
    Engineered Air # FWB-354-DJ100

    Does anyone has more details on the above.

    Thanks
  17. Replies
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    Energy Saving Retrofit on a HVAC System

    I want to understand how does can an Energy Saving Retrofit can change the overall efficiency of the HVAC system, for eg, installing VFD's or Chiller Optimization System. Is it advicable to calucate...
  18. Replies
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    744

    How to evaluate the HVAC System

    I found an interesting article on how to evaluate the HVAC system and wish to share with the members here and learn their experience.

    It is recommended that you have your HVAC system...
  19. Replies
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    1,127

    Introduction to the Members

    Hi All,

    I have joined this community today and wish to introduce myself to the members here.

    I have been working in Building Automation Controls systems for over 14 years and have recently...
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