Abstract: A method for operating a geothermal system is provided to optimize heat exchange between a geothermal loop and a heat pump load loop. The flow through the earth loop is adjusted to meet current thermal demand of a heat pump array, so as to reduce the electrical demand of the earth loop circulator when heat pump thermal demand is low. The speed of the earthloop circulator adjusts to meet the operating conditions of the heat pumps and earth loop, thereby permitting efficient laminar flow whenever possible, as long as thermal demand is met. Specifically, if flow in the earth loop transitions from turbulent to laminar, this method insures that the current thermal demand of the heat pumps is met, and if not, increases the earth loop circulator speed to meet current thermal demand, otherwise maintaining laminar flow.

Abstract: A system and a method for operating the system is provided to optimize heat exchange between a geothermal loop and a heat pump load loop for heating and cooling a structure. In the method, the flow rate through the earth loop is adjusted based on current thermal demand of a heat pump array, so as to reduce the electrical demand of the earth loop circulator when thermal demand from the heat pump loop is low. The method adjusts the speed of the earthloop circulator as required for the operating conditions of the heat pumps and earth loop, thereby permitting efficient laminar flow whenever possible, as long as thermal demand is met. The system of this invention provides a compact module containing a suitable digital data receiver and controller programmed to receive temperature and flow data and to calculate the needed flow in each loop to meet the thermal demand of the heat pump or pumps, and to signal the earthloop pump, and optionally a load loop pump, to operate at the necessary flow speed.

Abstract: A system and a method for operating the system is provided to optimize heat exchange between a geothermal loop and a heat pump load loop for heating and cooling a structure. In the method, the flow rate through the earth loop is adjusted based on current thermal demand of a heat pump array, so as to reduce the electrical demand of the earth loop circulator when thermal demand from the heat pump loop is low. The method adjusts the speed of the earthloop circulator as required for the operating conditions of the heat pumps and earth loop, thereby permitting efficient laminar flow whenever possible, as long as thermal demand is met. The system of this invention provides a compact module containing a suitable digital data receiver and controller programmed to receive temperature and flow data and to calculate the needed flow in each loop to meet the thermal demand of the heat pump or pumps, and to signal the earthloop pump, and optionally a load loop pump, to operate at the necessary flow speed.

Abstract: A system and method for mounting a flexible material sign to a billboard structure includes a plurality of tensioning clamps affixed to the billboard structure. Each of the plurality of clamps includes a bracket adapted to be secured to the billboard structure and an adjustable J-bolt moveably secured to the bracket. The J-bolt includes a hooked section for passing through and hanging the flexible material sign to the billboard structure. To tautly mount the flexible material sign to the billboard structure, the brackets are secured to the billboard structure with fasteners. The hooked sections of the J-bolts are passed through the sign to hang the sign from the billboard structure. The J-bolts are adjusted relative to the bracket to hang the sign a preselected distance from the billboard structure and to apply a tension to the sign to maintain a desired tautness of the sign.

Abstract: A system and method for mounting a flexible material sign to a billboard structure includes a plurality of tensioning clamps affixed to the billboard structure. Each of the plurality of clamps includes a bracket adapted to be secured to the billboard structure and an adjustable J-bolt moveably secured to the bracket. The J-bolt includes a hooked section for passing through and hanging the flexible material sign to the billboard structure. To taughtly mount the flexible material sign to the billboard structure, the brackets are secured to the billboard structure with fasteners. The hooked sections of the J-bolts are passed through the sign to hang the sign from the billboard structure. The J-bolts are adjusted relative to the bracket to hang the sign a preselected distance from the billboard structure and to apply a tension to the sign to maintain a desired taughtness of the sign.