Takagi Flash Water Heater T-KD20 Installation Manual And Owner's Manual

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Takagi Flash Water Heater T-KD20 Installation Manual And Owner's Manual Manual pdf 20 page image

19ApplicationsSpace Heating ApplicationsThe T-KD20 can be used for potable hot water heating applications as well as space heatingapplications.WARNING• Toxic chemicals used in boiler treatments such as alcohol, glycerol and glycolgroup must not be introduced into the system when used for open loop potablewater and space heating.• The FLASH T-KD20 can be used to supply potable water and space heating andshall not be connected to any heating system or component(s) previously usedwith non-potable water where any chemicals were added to the water heatingappliances.• When the system requires water for space heating at temperatures higher thanrequired for other uses, a means such as a mixing valve shall be installed totemper the water for those other uses in order to reduce scald hazard potential.• Water temperature over 125 °F can cause severe burns instantly or death fromscalds.• Chemicals such as diluted Glycol can be used for radiant floor, Hydro/fan coil airor Baseboard heating only.Basic System Drawings and SchematicsHeating application only:Warning: This illustration is for concept only. There are a wide variety of variations to the applicationof controls and equipment presented applications. Designers must add all necessary safety andauxiliary equipment to conform to code requirements and design practice.For more details, contact Technical Department at (888) 882-5244Pressure relief valveExpansion tankPumpRadiant, Hydroor BaseboardCheck valveMake up water