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KR-101  
Refrigerator Model Training System

 

           Teacher Board

    The Refrigerator Model Training System (KR-101) is in fact a real refrigerator. Once students understand the operation principles of a refrigerator, they will be able to connect the components correctly and easily because KR-101 locates all essential refrigerator components on the front panel of the system. The meters are also located on the front panel to allow students to record the status of the components during the operation of KR-101.
    
    The four major elements, including Condenser, Compressor, Evaporator, and Capillary Tube are located at the rear side of the system for students to touch and feel them. Through observing these 4 elements, students can also draw the Mollier Chart to record the characteristics of the refrigerant during different phases of the refrigeration cycle.
1. Hands-on practice in wiring for the compressor
2. Construction of control circuits for the refrigerator system
3. Management of the refrigerator system
4. Understanding of the refrigerator characteristics
5. Plotting of the Mollier Chart
6. Calculation in the performance of the refrigerator
1. For the sake of quick demonstration, the teacher board can be inserted into the side slot to make the system running
    without 
considering whether the wire connections on the front panel are correct or not.
2. The major elements of the refrigeration system, including condenser, compressor, evaporator, capillary tube, filter,
    and drier, are unfolded 
to allow clearer observation.
3. The system consists of various electronic components. The symbols of these components are located at the front panel,
    allowing 
students to construct a circuit to control the system.
4. The control circuit of the refrigeration system is made of several parts, including system fuses, fan indicators, evaporator
    door switches.
5. Various meters, such as high pressure gauge, low pressure gauge, AC Voltmeter, AC Ammeter, and temperature meter,
    are located at 
the front panel. Students can use these meters to record the status of the components during system
    operation.
6. In order to easily identify the refrigerant paths, the high pressure tube is painted in red whereas the low pressure tube
    is in blue.

K&H MFG. CO., LTD.
Address: 5F, No. 8, Sec. 4, Ziqiang Rd., Sanchong Dist, New Taipei City 241, Taiwan (R.O.C.)
E-Mail: education@kandh.com.tw Tel: 886-2-2286-0700 Fax: 886-2-2287-3066