Electromechanical and electronic controls for HVAC/R /
Langley, Billy C.
Electromechanical and electronic controls for HVAC/R / Billy C. Langley - Upper Saddle River, NJ.: Prentice Hall, 1999 - vii, 438 p.: ill.; 25 cm.
Includes index
0139075690
Refrigeration and refrigerating machinery--Automatic control
Air conditioning--Control
Heating--Control
Electromechanical and electronic controls for HVAC/R / Billy C. Langley - Upper Saddle River, NJ.: Prentice Hall, 1999 - vii, 438 p.: ill.; 25 cm.
Includes index
0139075690
Refrigeration and refrigerating machinery--Automatic control
Air conditioning--Control
Heating--Control