De-Liming - Models Uh130, Uh130B - Champion UH330B M4 Installation And Operation Manual

De-liming - Model UH130, UH130B, UH230, UH230B
De-liming Cautions and Warnings
A de-liming agent must be used in accordance with your chemical supplier's instructions.
DANGER:
Death or serious injury may result when de-liming solution is mixed with sodium hypochlorite
sanitizing agent. Mixing may cause hazardous gases to form. De-liming solution and other acids
must never be mixed with chlorine, iodine, bromine, or fluorine.
CAUTION:
Skin contact with de-liming solutions can cause severe irritation and possible chemical burns.
Always wear eye protection, rubber gloves and protective clothing when handling chemicals.
UH130 and UH130B De-liming Procedure
Follow the procedures below to de-lime the UH130, UH130B dishwasher.
1. Open the dishwasher door and remove any dish rack.
2. Turn the power switch on the dishwasher to the ON position.
3. Remove the detergent and rinse-aid chemical supply tubing from their chemical supply
containers.
4. Place the detergent and rinse-aid tubing in a container of hot water.
5. Press and hold the prime switch UP in the DETERGENT position to flush all of the
detergent from the supply tubing. Release the switch.
6. Press and hold the prime switch DOWN in the RINSE AID position to flush all of the
rinse-aid from the supply tubing. Release the switch.
7. Close the door and run 4 empty cycles to flush any chemicals from the dishwasher tank
8. Always wear eye protection, rubber gloves and protective clothing when handling
chemicals.
9. Open the door and carefully add the de-liming chemical to the wash tank in
accordance with the chemical supplier's instructions. Be careful to avoid splashing.
10. Close the door and press the START button to run a dishwasher cycle.
11. Check the de-liming results and if scale is still present repeat steps 8-9.
12. Run 4 empty cycles to flush any de-liming chemicals from the machine.
13. Return chemical supply tubing to their containers and prime the chemical lines.
14. Return the dishwasher to normal operation.
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