OM-CC-G and C/2-G
6
Water Quality and Treatment
It is essential to supply the steam generator/boiler
with water that will not form scale. Even though the
steam generator/boiler is engineered to minimize
scale formation, scale development depends on the
hardness of your water and the number of hours you
operate the equipment each day.
Most water supplies contain minerals which form
scale. It is this scale which could lead to an early
component failure.
Your local water utility can tell you about the
minerals in your water. The water going to the
steam generator should have between 30 and 40
parts per million (ppm) total dissolved solids (TDS)
and should have a pH (acidity rating) of 7.0 to 9.0.
Please follow these simple precautions:
1. The best way to prevent scale is to use a Groen
Water Treatment System which has been
specifically designed for Groen steamers and
combination ovens. Do not rely on unproven
water treatments sold for scale prevention and
removal. They are not specifically designed
to work with Groen steamers and
combination ovens.
2. A well-maintained water treatment system and a
regular cartridge replacement schedule is
essential.
3. Using a Groen water treatment system will
provide longer steam generator/boiler life, higher
steam capacity, and reduce maintenance
requirements.
4. If you notice a slowdown in steam production or
an increase in deliming, have the Combo
checked for scale build-up. This could be an
indication that the water treatment cartridges
need replacing. Heavy scale reduces the unit’s
ability to boil water, and can even cause
component failure.
MINIMIZE SCALE PROBLEMS BY INSTALLING
AND MAINTAINING A GROEN WATER
TREATMENT SYSTEM AND BY DELIMING THE
STEAM GENERATOR/BOILER REGULARLY.
Groen Convection Combo™ ovens feature two
separate water inlets — one for the steam
generator/boiler (for treated water), the other for the
spray condenser (untreated water). The second
intake will reduce water treatment requirements
resulting in significant savings.
The dual water connections are on the rear of the
unit.
Standard water connections for steam
generator and drain spray condenser.
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