Learning Objectives/Experiments

5. Basic operation of special tools for refrigeration system maintenance
5. To understand the system structure and working principle of VRV System
5. Understand the working principle of each control circuit
5. Design, assemble, debug and troubleshoot of the VRV System
6. Understanding PLC program control circuit principle
5. Several fault training of refrigeration control system

Features

5. It fully demonstrate the structure ,control principle, of the domestic air conditioner, the parameters variation under different working conditions, and the process of air conditioning cooling system
5. Internal control units by the Master and each internal unit has electromechanical expansion valve
5. Dust filter, 2 Check valves mounted after dryer filters
5. Faults setting function: Simulators with more than 10 Faults and more than 30 test point (with 10 Elec faults-Thermistor-evap. Fan, cond. fan, H& L pressure, all sensors Compressor, Elec. mech. expan. Valve)
6. The faults results seen on the display for each unit
5. Wire remote control
5. Connecting pipelines internal units with external unit
5. Floor trap tray. Visible reversing valve
   h) To be supplied completely with all necessaries for installation operation
5. Spares supplying VRV system proprietary joins fittings (2 refrigerant filter, pipes insulator)
5. Refrigerant: R410a
5. Flexibility to operate on diverse load
5. Precise control
5. 100% Inverter technology
5. High Efficiency @ ambient conditions.

Specification/Technical data

5. Capacity: 5 Tons
5. Nominal Capacity: 60000 BTU/hr
5. Rated Capacity: 57000 BTU/hr
5. Power Voltage: 208-230/60/3: V / Hz / ø
6. Power/Communication Wiring: No x AWG: 2 x 18
5. Operating Range

• Cooling ˚F 5-122
• Heating ˚F -22 – 61

• Simultaneous Operation: ˚F 14 - 81

5. Dimensions (W×H×D) Body: in 36-5/8 x 66-17/32 x 29-29/32
5. Weight: Net 430 lbs
5. Sound Pressure: 58.0 dB(A)
5. Fan (Propeller): 8,470 CFM
6. Compressor

• Type: (DC Scroll)
• Oil Type PVE/FVC68D

5. Heat Exchanger

• Coating Black Coated Fin™
• Rows/Fins per Inch 2/17

5. Piping
5. Liquid Line: 3/8 in
5. L/P Vapour Line: 3/4 in
5. H/P Vapour Line: 5/8 in
6. Refrigerant
5. Type: R410A
5. Charge: 14.3 lbs
5. Control: EEV
5. Maximum Number of Indoor: 05 Units
5. The control system is composed of PLC central control processor and so on
5. The Control system is composed of
   data collector, PLC host, PC, force control configuration, etc. PLC is used as the central control processor, establishes a stable communication between the computer and the PLC through special communication line, so as to control the operation and stop of the whole central air conditioning system
5. 440V, 50Hz, 3 phase.

Dimensions and weight

5. LxWxH: 1800x1000x860mm
5. Weight: approx. 500 kg