During the initial startup of a geothermal water-source heat pump, when should the water flow be checked and adjusted?
A) After operating the unit for at least 15 minutes
B) After making sure the refrigerant charge and airflow are correct
C) First, before operating the system
D) After checking the system refrigerant pressures and amp draw
C
You might also like to view...
?Which type of weld joint can be fitted together so that the joint forms a V-groove or square butt joint?
A. ?butt B. ?tee C. ?outside corner D. ?edge
____ is any material that is used to prepare the subfloor to receive the finished floor.
A. Sectional B. Underlayment C. Prefinish D. Sheetrock
Which of the following is not part of the animal cloning process?
A. Efficiency B. Genetically superior offspring C. Animal product uniformity D. All answers
The lower transistor of a totem-pole output is OFF when the gate output is
A) LOW. B) over driven. C) malfunctioning. D) HIGH.