Heat pump assembly and controlling of the same

A controller configured to control a primary side inlet valve assembly comprising a primary side inlet connection connected to a primary side inlet of a heat pump, a primary side inlet valve first conduit connection connected to a first conduit of a thermal energy grid, and a primary side inlet valve second conduit connection connected to a second conduit of the thermal energy grid;

• wherein the controller is configured to:
• receive a local temperature, t1, of heat transfer liquid of the first conduit;
• receive a local temperature, t2, of heat transfer liquid of the second conduit;
• receive information pertaining to whether the heat pump is a heating mode heat pump or a cooling mode heat pump;
• upon the heat pump is the heating mode heat pump:
• upon t1>t2, set the primary side inlet valve assembly to fluidly connect the primary side inlet valve first conduit connection and the primary side inlet connection,
• upon t2>t1, set the primary side inlet valve assembly to fluidly connect the primary side inlet valve second conduit connection and the primary side inlet connection,
• upon the heat pump is the cooling mode heat pump:
• upon t1>t2, set the primary side inlet valve assembly to fluidly connect the primary side inlet valve second conduit connection and the primary side inlet connection,
• upon t2>t1, set the primary side inlet valve assembly to fluidly connect the primary side inlet valve first conduit connection and the primary side inlet connection.

A method for controlling a primary side inlet valve assembly comprising a primary side inlet connection connected to a primary side inlet of a heat pump, a primary side inlet valve first conduit connection connected to a first conduit of a thermal energy grid, and a primary side inlet valve second conduit connection connected to a second conduit of the thermal energy grid;

• the method comprising:
• determining a local temperature, t1, of heat transfer liquid of the first conduit;
• determining a local temperature, t2, of heat transfer liquid of the second conduit;
• receiving information pertaining to whether the heat pump is a heating mode heat pump or a cooling mode heat pump;
• and
• comparing t1 and t2,
• wherein the method further comprises:
• upon the heat pump is the heating mode heat pump and upon t1>t2, setting the primary side inlet valve assembly to fluidly connect the primary side inlet valve first conduit connection and the primary side inlet connection;
• upon the heat pump is the heating mode heat pump and upon t2>t1, setting the primary side inlet valve assembly to fluidly connect the primary side inlet valve second conduit connection and the primary side inlet connection;
• upon the heat pump is the cooling mode heat pump and upon t1>t2, setting the primary side inlet valve assembly to fluidly connect the primary side inlet valve second conduit connection and the primary side inlet connection;
• or
• upon the heat pump is the cooling mode heat pump and upon t2>t1, setting the primary side inlet valve assembly to fluidly connect the primary side inlet valve first conduit connection and the primary side inlet connection.