Write parameters to the heatpump.
Send 4 bytes with the command, followed by 4 bytes with the parameter number and finally 4 bytes with the value, all Big Endian.
Python Example:
socket.sendall(struct.pack('>iii',3002,1,1)) # 0x00 0x00 0x0b 0xba 0x00 0x00 0x00 0x01 0x00 0x00 0x00 0x01
The Luxtronik answers with 4 bytes containing the command followed by 4 bytes with the written value.