5. A GLHP is operating in heating mode. It delivers 34,130 BTU/h of heat to the heating space. The COP of heating is 4, what will be the power of Heat of Extraction in BTU/h collected from the ground? What is the power of the compressor in Watts. 6. A GLHP is working in cooling mode with a capacity of 48,000 BTU/h. The EER of the system is 10.2. What will be the total amount of heat rejected to the ground in BTU/h? What is the power of the compressor in Watts. 7. The cooling load of a house is 24,500 Btu/h. Find the trench and pipe length of the following ground loops by using the chart Table: C4 in week 3 slides. a. 1.25 inch pipe, 1 pipe per trench b. 1.25 inch pipe, 2 pipes per trench c. 1 inch pipe, 2 pipes per trench d. 1 inch pipe, 4 pipes per trench e. 1 inch pipe, 6 pipes per trench 8. The following is a GLHP header piping arrangement. To flush the air from the following header design, what will be the flow rate at the beginning of the header if the pipes are all SDR11? Use the image below and the table Flushing: Minimum flow Rate to compute your answer. 2 inch 1.25 inch 1.25 inch 1.25 inch 1.25 inch