B-2 888-2629-200 10/6/10
WARNING: Disconnect primary power prior to servicing.
Maxiva ULX COFDM Series
Caution
SINCE THE WATER USED TO MIX WITH THE GLYCOL WILL AFFECT THE
CORROSIVITY OF THE MIXTURE, ONLY HIGH QUALITY DEMINERALIZED WATER
THAT HAS BEEN DISTILLED, DEIONIZED OR REVERSE-OSMOSIS PROCESSED
SHOULD BE USED. THIS WATER MUST HAVE A CONDUCTIVITY OF NO MORE
THAN 5 MICROSIEMENS (OR HAVE A RESISTANCE OF LESS THAN 200K OHMS.
The quality of water mixed with glycol concentrate can impact system performance.
Poor quality water can cause scale, sediment deposits, or sludge throughout the cooling
which will reduce heat transfer efficiency. Poor quality water can also cause damage to
the system by depleting the corrosion inhibitor and can lead to the creation of a number
of corrosions including general and acidic attack corrosions.
Good quality processed water contains:
• Less than 50 ppm of calcium
• Less than 50 ppm of magnesium
• Less than 100 ppm (5 grains) of total hardness
• Less than 25 ppm of chloride
• Less than 25 ppm of sulfate
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