Algoritmos Fuzzy

Automation of Commercial Refrigeration Plant

REFRIGERATION AND AIR CONDITIONING

Automation of commercial Refrigeration Plant
The purpose of this manual is to show some examples of the use of Danfoss automatic controls for commercial refrigeration plants. A simple, hand-regulated plant is used as the starting point of a step-by-step automation and a short description of the function ofeach control is given. For additional training material we refer to
http://rc.danfoss.com/SW/RC_Training/En/Index.htm

Contents

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Hand-regulated refrigeration plant ..................................................................................................................................................................................................... 2 Refrigerationplant with thermostatic expansion valve and air-cooled condenser .......................................................................................................... 3 Refrigeration with Finned evaporator................................................................................................................................................................................................ 4 Thermostatic expansion valve ....................................................................................................................................................................................................... 5 Thermostatic expansion valve with distributor....................................................................................................................................................................... 5 Expansion valves ................................................................................................................................................................................................................................. 6 Thermostatic expansion valve, method of operation........................................................................................................................................................... 7 Thermostatic expansion valve with MOP charge.................................................................................................................................................................... 8 Combined high and low pressure control................................................................................................................................................................................. 9 Low-pressure and High-pressure control .................................................................................................................................................................................. 9 High-pressure control, method ofoperation .........................................................................................................................................................................0 Thermostat.......................................................................................................................................................................................................................................... Filter drier ............................................................................................................................................................................................................................................ Sight glass........................................................................................................................................................................................................................................... Automatic water valve ....................................................................................................................................................................................................................2 Finned evaporator...