One sensor is placed on the collector at the hottest point of the header, i.e. Unless you’re using a “PV Direct” solar thermal system (see above schematic), two sensors are required when a solar differential controller (solar relay) is used to trigger the pump sending fluid from the collectors to the solar storage tank. Open System with Solar Thermal and PV Direct Solar Radiant System with the floor in an “open” configuration Solar Radiant System with Internal Heat Exchanger 85☌ water temperature, while meeting the requirements of radiators, is not directly connected to the floor heating system.Solar Radiant System with External Heat Exchanger Note:the ideal water temperature difference between the inlet and outlet is 25 ☌ for wall-hung boilers, to ensure the best working condition of the wall-hung boilers. If it is below 50☌, it results in condensation in the combustion chamber, which reduces the efficiency of heat transfer, wasting gas and reducing the service life of the wall-hung stove. Point 2:The return water temperature of the wall-hung stove must be above 50☌. Therefore, wall-hung boilers are inefficient, resulting in high gas consumption, low heat conversion efficiency, and high exhaust temperature, resulting in high energy emissions. Some misconceptions about wall-hung boilers and floor heating:In order to meet the demand for floor heating water temperature, let the boiler function at a temperature below 60 ☌, ignoring the wall-hung boiler's efficient operating conditions, the supply and outlet water temperature is too low. Point 1:The boiler should be allowed to fully circulate water at a temperature of about 75-85 ☌, in order to achieve the standard combustion efficiency. ►Volumetric dual-purpose wall-hung boiler with built-in 60-liter domestic hot water tank, constant domestic hot water temperature. ►RS485 communication interface: compatible with home intelligence system, remote control through computer or cell phone APP terminal.
►Partitioned temperature control: partitioned configuration of room temperature controller to meet different temperature needs Two-wire non-polarity, 12V safety voltage wiring. ►Configure central controller for floor heating, so that wall-hung boilers, pumps, room temperature linkage control, more energy-saving. ►Wall-hung boiler + mixing water + floor heating: boiler side setting temperature 80 ℃, floor heating mixing water supply temperature is not higher than 50 ℃.
►Suitable for 100-300 square meters of heating area, suitable for concealed pipe installation in newly renovated homes. NO.5 Network intelligent energy-saving floor heating system ►Dual-use wall-hung boilers, can provide domestic hot water also. ►Water mixing and energy saving center: constant system water supply temperature, precise heating, energy saving and comfortable. ►Equipped with indoor programmable thermostat, which can intelligently control room temperature in different time zones. ►Equipped with central controller for underfloor heating, so that the wall-hung boiler, water pump and room temperature can be controlled linkage, more energy-saving. ►Installation is more safe and reliable, convenient and comfortable to use. ►Suitable for concealed pipe installation for newly renovated families. ►Suitable for 100-300 square heating area. NO.4 Intelligent energy-saving floor heating system ►Dual-use wall-hung boilers, which can provide domestic hot water also. ►Differential pressure bypass: Differential pressure bypass is set for the manifold to ensure highefficiency of the pump and silent operation of the system.►More safe and reliable for installation, and more convenient and comfortable to use. ►Equipped with an indoor programmable thermostat for intelligent time control of room temperature. ►Suitable for concealed pipe installation in newly renovated homes. ►Suitable for 100-150 square heating area. Energy-saving standard floor heating system ►DK radiant panels can be added to provide a constant room temperature for a longer period of time. ►Dual-use gas boiler, can provide domestic hot water at the same time. ►Suitable for 100-280 square feet heating area. ►Downward bypass H-valve, which is conducive to hydraulic balance. ►Suitable for open pipe installation in renovated homes and dark pipe installation in newly renovated homes. ►Dual-use wall-mounted boiler, can provide domestic hot water at the same time. ►Installation is more safe and reliable, easy to use. ►Built-in thermostatic spool, add TV.thermostatic valve head, each room can be set to a different temperature. ►Suitable for concealed pipe installation in newly renovated homes.One pipe to the end, no joint in the middle. ► Suitable for 60-120 square heating area. NO.1 Manifold type (octopus type) radiator system
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