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SOP for Operation of Hot Water System


Standard operating procedure to operate the hot water system using plate heat exchanger (PHE).

1.0 OBJECTIVE:

      To lay down procedure for operation of the domestic hot water system.

2.0 SCOPE:

      This SOP shall be applicable for the domestic hot water system in case of manual operation.

3.0 RESPONSIBILITY:

      Operator / Executive

4.0 ACCOUNTABILITY:

      Head of Department

5.0 PROCEDURE: 

5.1 Check the water level in the domestic hot water tank.
5.2 If the hot water level in tank is low-
5.2.1 Open the potable water inlet valve of plate heat exchanger (PHE).
5.2.2 Open the steam inlet valve of PHE.
5.2.3 Open the hot water system outlet valve of PHE.
5.2.4 Start the potable water pump 1.
5.2.5 Collect the hot water in domestic hot water tank upto high level.
5.2.6 Ensure the hot water temperature is above 50°C.
5.2.7 Open the outlet valve of domestic hot water tank.
5.2.8 Stop the potable water pump.
5.2.9 Close the PHE inlet, outlet and steam valve.
5.3 If hot water level in the tank is high but temperature of water is below 50°C recirculate the water.
5.3.1 Open the tank bottom valve to allow the water to go to potable water pump inlet.
5.3.2 Close the water filter inlet & outlet valve and open the bypass piping valve.
5.3.3 Close the incoming and outgoing valves of the tank.
5.3.4 Open the potable water inlet valve of PHE.
5.3.5 Open the steam inlet valve of PHE.
5.3.6 Open the hot water outlet valve of PHE.
5.3.7 Start the potable water pump.
5.3.8 Ensure the hot water temperature is above 50°C.
5.3.9 Open the outlet valve of domestic hot water tank.
5.3.10 Stop the potable water pump.
5.3.11 Close the PHE inlet, outlet and steam valve.
5.3.12 Open the incoming and outgoing valves of the tank.
5.3.13 Open the water filter inlet & outlet valve and close the bypass piping valve.
5.3.14 Close the tank bottom valve.

6.0 ABBREVIATION:

6.1 SOP : Standard Operating Procedure
Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
Email: .moc.enilediugamrahp@ofni Need Help: Ask Question


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