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How to Clean a Chilled Water Piping System

A chiller water piping system requires the use of a water tank to chill the water that flows through rubber or copper pipes. The water tank must be periodically cleaned to prevent contaminants in the system. This requires a citric acid solution available in most health stores.

Things You'll Need

Adjustable wrench
5-gallon bucket
Citric acid
Brush
Nebulized water

Instructions

- 1
  Turn off the main power supply to the water chiller.
- 2
  Disconnect the copper piping from the chiller, loosening the fittings with the adjustable wrench.
- 3
  Drain the water from the chiller tank.
- 4
  Fill a 5-gallon bucket with 1 1/2 gallons of warm water and add 35 oz of citric acid to the water. Mix the solution thoroughly.
- 5
  Remove the top panel of the chiller tank.
- 6
  Dip the brush in the bucket of cleaning solution and scrub the sides of the chiller tank.
- 7
  Rinse the inside of the tank with nebulized warm water. Drain the water from the chiller tank.
- 8
  Fill the chiller tank with clean water and then drain the tank. This will ensure that all of the citric acid has been removed from the chiller tank.
- 9
  Replace the top panel and then reconnect the copper piping. Turn on the chiller.

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