10
4 - CONNECTING SUPPLY AND RETURN PIPING
4.3 Flush and Rinse System
Flush the entire system and rinse thoroughly to ensure no
sludge will be introduced into the heating body of the boiler.
WARNING
• Poison hazard. Ethylene glycol is toxic. Do not
use ethylene glycol.
• Never use automotive or standard glycol
antifreeze, even ethylene glycol made for hydronic
systems.
• Ethylene glycol can attack gaskets and seals used
in hydronic systems.
• Do not use petroleum based cleaning or sealing
compounds boiler system.
•
water.
• Use only inhibited propylene glycol solutions
use with closed water heating system.
•
glycol before installing new Boiler.
• Provide user with Material Safety Data Sheet
NOTICE
If damage due to frozen pipes is a possibility, install
appropriate safeguards and alarms on the heating
system to prevent property damage due to frozen
and burst pipes should the boiler heating system
become inoperative due to a power outage, safety
lockout or component failure.
4.4 Water Treatment
Manufacturer recommends a water analysis be done on
based on the analysis results.
For hard water or pH below 7.0 consult your local water
treatment company.
• If CH water is very hard or full of impurities, it must be
or malfunction could be caused. Recommended water
quality is
:
o Hardness Less than 150 mg/L
o Acidity level 7-8 pH
o Sediments Particle size less than 50 micron
• If the water quality is outside these ranges, consult a local
water treatment specialist for recommendations.
• If the water is treated, do not use petroleum based
products or products containing mineral oil or hydrocarbons
in order to avoid likely damage to parts made from rubber
compounds (o-rings).
!
PN 240012787 Rev. C [11/15/2020]
4.3 Flush and Rinse System
Flush the entire system and rinse thoroughly to ensure no
sludge will be introduced into the heating body of the boiler.
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