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I change the constant speed pump into a variable speed pump, but the result in energy consumption is still constant

I have built a model with HVAC cooling. I changed the constant speed pump to a variable speed pump but having the same constant result of energy consumption. I've heard that to omit the bypass pipes in the system and do so, but the result is still the same. Any advice or ideas? Here is my idf file: https://drive.google.com/file/d/0B2xx4hUM0yEGbEpPVU9hUDRyTE0/view?usp=sharing

I change the constant speed pump into a variable speed pump, but the result in energy consumption is still constant

I have built a model with HVAC cooling. I changed the constant speed pump to a variable speed pump but having the same constant result of energy consumption. I've heard that to omit the bypass pipes in the system and do so, but the result is still the same. Any advice or ideas? Here is my idf file: https://drive.google.com/file/d/0B2xx4hUM0yEGbEpPVU9hUDRyTE0/view?usp=sharing

I change the constant speed pump into a variable speed pump, but the result in energy consumption is still constant

I have built a model with HVAC cooling. I changed the constant speed pump to a variable speed pump but having the same constant result of energy consumption. I've heard that to omit the bypass pipes in the system and do so, but the result is still the same. Any advice or ideas? Here is my idf file: https://drive.google.com/file/d/0B2xx4hUM0yEGbEpPVU9hUDRyTE0/view?usp=sharing