Method for renewing a building heating system of a building, and renewed building heating system

Abstract

A method for renewing a building heating system of a building, including for heating water, such as tap water and/or utility water, of a building water system. Embodiments also relate to renewed building heating system obtained by applying the method. The embodiments further relate to a kit of parts for renewing a building heating system by applying the method.

1 . A method for renewing a building heating system of a building, comprising steps of:
 a) disconnecting an existing boiler of the building heating system:
 from an existing fuel source, 
 from an existing fluid line for conducting fluid to be heated by the boiler, and 
 from an existing air inlet pipe connected to an existing air inlet opening, to allow air to be led through the boiler, and 
 from an existing flue gas discharge pipe connected to an existing flue gas outlet opening for discharging boiler generated flue gas, 
   b) removing said boiler, and   c) connecting an air source heat pump:
 to the existing fluid line, 
 to the existing air inlet pipe and/or the existing air inlet opening, and 
 to the existing flue gas discharge pipe and/or the existing flue gas outlet opening, 
   connecting at least one heating tube, directly or indirectly, to the heat pump to provide additional heat energy to the fluid to be heated, and   d) connecting said heat pump to an intermediate working fluid line for heating a working fluid conducted through said working fluid line, wherein said working fluid line comprises at least one water heat exchanger for transferring heat from said working fluid to water conducted through at least one water line of a building water system of said building, and wherein said at least one heating tube makes part of the working fluid line, and wherein the at least one heating tube is configured for flow-through of the working fluid, such that during flow-through of the working fluid the working fluid can be heated by the heating tubes.   
     
     
         2 . The method according to  claim 1 , further comprising step f): connecting said heat pump to a control unit for controlling said heat pump. 
     
     
         3 . The method according to  claim 2 , further comprising step g): connecting said control unit to at least one fluid temperature sensor and/or at least one fluid pressure sensor of the building heating system. 
     
     
         4 . The method according to  claim 1 , further comprising step h): connecting at least one new fluid temperature sensor and/or at least one new fluid pressure sensor, to at least one fluid line of the building heating system. 
     
     
         5 . The method according to  claim 1 , further comprising step i): connecting at least one alternative auxiliary heat source, directly or indirectly, to the heat pump to provide additional heat energy to the fluid to be heated. 
     
     
         6 . The method according to  claim 1 , further comprising step j): connecting a control unit to the at least one heating tube, for controlling the at least one heating tube dependent on one or more temperature values measured by one or more temperature sensors and/or one or more fluid pressure sensors. 
     
     
         7 . The method according to claim  51 , wherein the at least one heating tube is an induction heating tube. 
     
     
         8 . The method according to  claim 7 , further comprising step k): connecting at least one induction heating tube to an alternating current source, 
     
     
         9 . The method according to  claim 8 , wherein step k) further comprises: a step of, subsequently to or simultaneously, connecting at least one frequency converter in between the alternating current source and the induction heating tube to increase a default frequency value of the alternating current source to increase a frequency value. 
     
     
         10 . The method according to  claim 1 , wherein during step dg) at least one heating tube is connected at a downstream side of the heat pump or wherein during step de) a plurality of heating tubes is connected at a downstream side of the heat pump. 
     
     
         11 . The method according to  claim 5 , wherein during step g) at least one alternative auxiliary heat source is connected at a downstream side of the heat pump or wherein during step i) a plurality of alternative auxiliary heat sources is connected at a downstream side of the heat pump. 
     
     
         12 . (canceled) 
     
     
         13 . The method according to  claim 11 , wherein at least one auxiliary heat source, directly or indirectly, connected to the heat pump makes part of the working fluid line. 
     
     
         14 . The method according to  claim 1 , wherein, during step c), at least one pipe adapter is placed in between the heat pump and the existing air inlet pipe and/or the existing flue gas discharge pipe. 
     
     
         15 . The method according to  claim 1 , wherein the heat pump comprises an air inlet opening and an air outlet opening, and, during step c), the existing air inlet pipe is connected to the air outlet opening of the heat pump and the existing air outlet pipe is connected to the air inlet opening of the heat pump. 
     
     
         16 . A kit of parts for renewing a building heating system by applying the method according to  claim 1 , comprising:
 at least one air source heat pump,
 at least one control unit connectable to said at least one air source heat pump configured to control said heat pump, and 
 at least one heating tube connectable to said heat pump, wherein the at least one control unit is connectable to at least one heating tube to control the at least one heating tube. 
   
     
     
         17 . The kit of parts according to  claim 16 , further comprising:
 at least one pipe adapter configured to be connected to the air source heat pump and to an existing air inlet pipe and/or an existing air inlet opening, and to an existing flue gas discharge pipe and/or an existing flue gas outlet,   
     
     
         18 . The kit of parts according to  claim 16 , further comprising:
 at least one new fluid temperature sensor and/or at least one new fluid pressure sensor.   
     
     
         19 . The kit of parts according to  claim 16 , further comprising: at least one auxiliary heat source connectable to said heat pump, wherein the at least one control unit is connectable to said at least one auxiliary heat source to control the at least one auxiliary heat source, or the at least one heating tube and/or the at least one auxiliary heat source, and/or based upon fluid temperature values measured by at least one fluid temperature sensor of the building heating system, and/or said at least one new fluid temperature sensor, and/or based upon fluid pressure values measured by at least one fluid pressure sensor of the building heating system, and/or said at least one new fluid pressure sensor. 
     
     
         20 . The method according to  claim 5 , further comprising step l): connecting a control unit to the at least one alternative auxiliary heat source, for controlling the at least one alternative auxiliary heat source dependent on one or more temperature values measured by one or more temperature sensors and/or one or more fluid pressure sensors.