Central Air Conditioning Training & Testing Equipment 1

CENTRAL AIR CONDITIONING TRAINING & TESTING EQUIPMENT

EQUIPMENT OVERVIEW

·         This center air conditioning trainer adopts PLC as the running control of complete air conditioning system is achieved by communication between computer and PLC. The running parameters can be gathered by sensor and transferred to PLC through A/D module.

·         Both manual control and computer control are available on this trainer. the manual control can be conducted by using buttons on the panel of control cabinet, which are connected with related PLC input terminals

·         This system is composed of system control cabinet with control panel, system training objects, simulated room and measuring maters. The training objects consist of refrigerating unit, cooling water system, chilled water system and heat supply system, the control panel can be divided into five areas, they are main power operation control area and center control processor area.

·         There are two frequency converters on frequency control area, which are used  for the control cooling water pump and chilled / cooling water and send the data through A/D module, PLC and D/A module, which  will be processed to 4-20mA analog quality signal for driving frequency converter to start adaptive control

·         Safety precaution: overvoltage, over current, overload, electric leakage and ground connection protections, confirming to relevant national standard