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The Hot Tank requires removal of mineral deposits (descaling) on a regular basis. Typically
descaling should take place every 6 to 12 months to preserve the long-term health of your unit.
Use non-toxic cleaner such as ScaleKleen, DEZCAL, 20% Citric Acid Solution, or Undiluted Vinegar
Solution to remove mineral deposits as directed by the manufacturer depending upon filtration
and local water conditions.
Descaling is an important process that removes calcium deposits, or scale, that can build up
inside a tank over time. Calcium and scale is non-toxic but left unattended will hinder your
Aramark Countertop or Refresh Center's performance.
WARNING!
PERSONAL PROTECTIVE EQUIPMENT REQUIRED. Always ensure proper
ventilation and use rubber or nitrile gloves and eye protection when using chemicals. Refer to
Material Safety Data Sheet for specific requirements of each product.
CAUTION!
STAINLESS STEEL TANK DESCALING
The Hot Tank is made from stainless steel. Ensure descaling solution is compatible with
stainless and always flush the Aramark Countertop or Refresh Center completely. Dispose in
an environmentally safe manner.
Materials Needed:
• Personal Protective Equipment. Rubber or Nitrile Safety Gloves and Protective Eyewear
• Phillips Screwdriver
• Temperature Gauge
• Water Pitcher or Container to collect water from the faucet
• 5-gallon container or drain basin
• Citric Acid Based Cleaner
• ¼" Plastic Tubing, at least 4 feet in length, and assorted ¼" quick connect fittings
• Sanitizing Cartridge
• Food Coloring
1. Put descaler per directions and 3 drops of food coloring into the descaling cartridge.
2. Connect descaling cartridge to the inlet water supply and connect to inlet bulkhead fitting on the
back of the Aramark Countertop or Refresh Center. Turn on Water Supply.
3. Select Hot Water and depress the Main Dispensing Button on the Front Control Panel until
descaling solution (colored water) comes out of the faucet. Container and drain basic will be
required to catch water from the faucet.
4. Turn off water supply and remove sanitizing cartridge from inlet water supply. Reconnect water
supply to inlet fitting.
ARAMARK Manual
HOT TANK DESCALING INSTRUCTIONS
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Page 18 – Revision 10-31-21
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