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Hi Cass, This site is new building installation. we face this problem during Testing and Commissioning period. Note: We used existing chiller with New Chilled Water Pump. the problem is chilled water pump MCB GV7-RE150 is always trip even start-up and stop. Thanks for your help. Nap

Hi Pump man, The rated Amp of motor are 103A. Note: Pump motor is equiped with VSD. MCB reated 150A {GV7-RE150}. Kindly let me know your idea? Very thanks for your help...... Enjoy your day!

Thank you for your comment. Our requirement is to integrated CO sensor to BMS[DDC controller] system via 4-20 mA or 0-20mA hard wire[Analog signal]. We don't want use digital output signal [Dry contact] from CO sensor module. I think you probably face this kind of sensor. Hopefully we can...

Normally we use Kele CO sensor range 0-200PPM [4-20mA] to DDC panel for Building Automation System. But currently we are invited by client for bidding one project: their requirement CO sensor is 9PPM [max. 50PPM], analogue output 4-20mA. 1- Did you have experience: how many ....PPM of CO...

We have 3 chillers, 3 CHWP and 3 CDWP dedicated for office tower building load. Chiller technical room is at roof floor. When we run all CDWP, it is fine. If we start running one CHWP, that is fine also. But if we run 2 CHWP, one CHWP will make main circuit breaker get trip. Note...

We have 3 chillers, 3 CHWP and 3 CDWP dedicated for office tower building load. Chiller technical room is at roof floor. When we run all CDWP, it is fine. If we start running one CHWP, that is fine also. But if we run 2 CHWP, one CHWP will make main circuit breaker get trip. Note...