The workstation consists of a thermostated chamber, which can maintain the inside temperature in the range of +10 to + 43°C with an accuracy of ± 0.5°C. The chamber has six test sites for refrigerating appliances, which allows simultaneous measurements of up to 6 units.
The chamber is equipped with six independent 4kW power sources to provide separate supply for each refrigeration unit. Measuring equipment of the chamber allows to measure power consumption of refrigerators, defrost/freeze period, consumption in standby mode, temperature inside refrigeration units at several points with an accuracy better than 0.1%. The chamber automatically maintains the specified humidity parameters required for testing. Humidification of air in the chamber is carried out by reheating and mixing of dry air with water from the boiler, sprayed in the chamber through tubes in the air duct system. Air circulation in the chamber is created by two centrifugal fans. Air flow is directed vertically through the chamber space.
The chamber made of heat-insulating panels, which are joint together and additionally sealed with silicone adhesive. The chamber is equipped with a ventilation and lighting system. Control cabinet of the chamber is located separately in the operator’s room and connected to a personal computer via Ethernet. The chamber is powered by 400V 50 Hz three-phase network. The power consumption of the chamber is not more than 100 kVA.
The chamber is equipped with sliding double-leaf doors with dimensions of 2100x1900mm (the door dimensions may be different at the customer request).
Fully automated workstation allows automatically measure all energy efficiency parameters of refrigerating appliances and generate reports and protocols in accordance with the chosen measurement program.
The software is written on LabView and has many convenient functions for control, monitoring and analyzing the equipment under test.