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  • Users: Engpat
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  1. Engpat

    Thermostatic Mixing Valves UK

    Hello, Is it a requirement to install thermostatic mixing valves on appliances (e.g. baths, showers, taps) in hotels in the UK? If so, does it have to be a certain type? e.g TMV3 Thanks in advance,
  2. Engpat

    Pressure reducing valves not allowing flow on lower settings

    Hello, About the system... I am working in a large hotel and we are installing new domestic pipework to all bathrooms. The domestic hot water is constantly returned back to the boiler using a pump on the return in order to allow constant circulation of hot water. The problem... Each riser in...
  3. Engpat

    Estimating Glycol Amount in Chiller/FCU System

    Hello, Is there a rule of thumb for calculating the amount of Glycol required in a chiller system? I know that the proper way is to calculate the volume of the system. A lot of the pipework sizes are unknown so this is not possible. The hotel has 100 fan coil units and is powered by a...
  4. Engpat

    Commissioning DRV on Domestic Hot Water

    Hello, I am currently working on a large hotel… What is the correct way of setting the flow rate on double regulating valves (DRV) on the return legs of domestic hot water pipework? The image (click link above) shows the location of each DRV – There is one on the return of each room and...

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