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HWM-407CH-IOM (09/13)
Page 26
Figure 14. HWM Heat Exchanger Cleaning Set-up
Disconnect power from HWM and be sure pump is off.
Mix heat exchanger cleaning solution in a 55 gallon drum can be sealed and disposed of in
accordance with local and federal chemical waste regulations, when the cleaning process is
completed.
The concentrated cleaning solution for the heat exchanger cleaning process is liquid ice
machine cleaner which is available at any distributor who handles ice machine supplies
(Johnstone Supply, W.W. Grainger, etc).
Two gallons of concentrated liquid ice machine cleaner are recommended for each heat
exchanger cleaning. Recommended brands and manufacturer order numbers are:
Virginia KMP (1 Gallon), Mfr. H419
Nu-Calgon (1 Gallon), Mfr. 4207-48