Why The SECOND SUNTM ?

No Flame - no source of ignition!

Catalytic Heater - low temperature radiant heat will not overheat or harm the tank surface.

Self contained, off-grid operation.

Gas powered - utilizes propane vapor from the storage tank for operation of the heater and monitoring controls.

Equipped with safety controls for high pressure and high temperature.

High pressure safety switch monitors the pressure in the tank being heated.

Two high temperature switches monitor the temperature of the tank surface.

Catalytic heating is a flameless process that involves chemical reactions aided by a catalyst. The reactions occur on an electrically heated catalyst surface causing complex molecules to rearrange as simpler molecular structures. The primary byproduct of this catalytic process is heat. Second Sun emits this heat against the wetted surface of the tank as infrared waves similar to a radiant heater. This warm, low intensity heat mimics the energy from the sun.

Operational Overview

Second Sun’s typical application involves maintaining tank pressure, or equilibrium pressure, as vapor is extracted. Consequently, the unit’s ‘ON’ cycle is activated based on storage tank pressure. As vapor is consumed or the ambient temperature drops, tank pressure is reduced. Second Sun is activated ‘ON’ when tank pressure falls below approximately 50 PSIG (3.45 barg); Second Sun returns to standby when pressure is restored to 60 PSIG (4.14 barg). Second Sun requires no AC electricity! Startup energy for the catalytic reaction (12VDC) is typically provided using “jumper cables” from a vehicle battery. After startup, sufficient voltage to operate the gas security valve is ‘self-generated’ by employing a physical phenomenon known as thermoelectric effect. This technique provides direct conversion of temperature differentials to electric voltage.The heater is comprised of an integrated “pilot” and “main” heater. The pilot heater starts the catalyzing process; the main heater provides operational heat. Two temperature switches integral to the Second Sunmonitor the surface temperature of the storage tank at two different elevations. The temperature switch in the higher elevation position terminates gas flow to the main heater if tripped. If tripped, the heater returns to standby or ‘pilot’ mode. The lower positioned switch, when tripped, causes the Second Sun to completely shut OFF. Manual restart is required. As well, if the pilot heater temperature drops below the temperature necessary to catalyze the fuel, the Second Suncompletely shuts OFF. Again, manual restart is required.

 

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