Ascent Oil – August 2019 19
BOILER WATER TREATMENT
Addition of boiler water treatment is recommended to reduce lime and mineral buildup inside the boiler. Energy Kinetics
recommends addition of one quart of 8-Way Boiler Treatment per 30 gallons system water. 8-Way Boiler Treatment is
recommended to treat water up to medium hardness. 8-Way Boiler Treatment contains pH buffering agents that are color
activated. Treated water will appear blue-purple with the color fading as the buffering/neutralizing capabilities of the
treatment are depleted. Adding additional 8-Way Boiler Treatment as required as part of scheduled maintenance will
ensure the boiler and heating system is continually protected from scale and corrosion. Call Energy Kinetics for more
details about boiler water treatment and about hard water conditions.
ANTI-FREEZE
Only non-toxic antifreeze (such as Propylene Glycol) should be used if adding anti-freeze to a system that produces
domestic hot water. Hard water should not be used in combination with generic antifreeze. Energy Kinetics supplies a
quality inhibited Propylene Glycol anti-freeze with orange dye and an antifoam agent. 8-Way Boiler Treatment can be
added to Energy Kinetics anti-freeze and is recommended in areas of medium water hardness. NOTICE: Thoroughly
clean system prior to adding antifreeze. TSP (Tri-Sodium Phosphate) is recommended for removing flux and other oil
based compounds (where allowed by local regulations). Once system has been cleaned and flushed, then add antifreeze
to obtain approximately a 30% by volume mixture of antifreeze in water. Call Energy Kinetics for assistance in calculating
how much anti-freeze to add to system.
WINTERIZING
NOTICE: If the Ascent Combi and Ascent Plus Combi Boilers may be exposed to freezing temperatures, such as a
vacation home shut down for the winter, then anti-freeze should be added. When a home is winterized by draining all
domestic water piping, then the Ascent Combi and Ascent Plus Combi Boilers must be protected. It is not recommended to
drain the boiler, because introducing air into the boiler can cause rusting inside the boiler shell and also because the
Energy Converter has a spiral water passage that cannot be completely drained of water. When draining the domestic
water piping system, be sure to drain the domestic side of the plate heat exchanger. If the hydronic system will not be
drained, then add enough anti-freeze to protect the entire hydronic system including the boiler, piping, radiation, circulators,
etc. If the hydronic system will be drained, then add shut off valves to isolate the boiler and add anti-freeze to the boiler
only, as follows. Drain water from the boiler and then add anti-freeze to the boiler. Refill boiler with water and run boiler
circulator through the bypass to distribute antifreeze within boiler. Propylene Glycol in water will provide the following
freeze protection: 30% down to +8F, 40% to -8F, 50% to -27F. Energy Kinetics recommends using 30% anti-freeze to
obtain the best boiler performance. Use over 30% anti-freeze only if lower temperature freeze protection is mandatory.
Caution: Always keep the fuel supply valve shutoff if the burner is shut down for an extended period of time.
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