
For natural gas installations, check the burner rate by observing the gas meter (making sure that all other gas appliances are turned off). The test hand on the meter should be timed for at least one revolution. Note the number of seconds for one revolution. BTU/HR Cubic Feet Per Revolution Heating = X 3600 X INPUT # Seconds Per Revolution Value Adjustments - Cooling Section (HWC models) No adjustments are required or should be attempted regarding any of the components of the cooling chassis. Th