ABSTRACT
Actuator 220; analogue 220; BMS 240; capacity step 239; compressor load control 225; controlled condition 224; controlled variable 224; controller 224; controller action 225; dead time 224; desired value 224; detector 226; direct and reverse acting 226; direct digital control 244; enthalpy control 226; evaporator 238; optimum start time 227; pneumatic actuator 223; rectifier 220; refrigeration compressor 239; relay 243; set point 225; signal 224; solenoid 224; switch 228; thermistor 221; transducer 223; variable pitch vanes and blades 235; VAV 235; VFC 235; volt 221; weather compensator 231; wiring diagram 242.
