Sinuo Testing Equipment Co. , Limited
Sinuo Testing Equipment Co., Limited
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5RT Air Enthalpy Laboratory Air Conditioner Energy Efficiency Performance Lab
System overview
This air enthalpy method test lab consists of an indoor side room and an outdoor side room. The refrigerating capacity, heating capacity and other performances of an air conditioner are tested by means of testing the lab parameters, such as temperature, pressure and electrical performance. This installation can be used to test the performance of window type, split type, free-standing type AC air conditioners, and can also be used for other standard operating condition related tests and expanded tests, meeting the need for product sampling inspection and product development.
Also, the lab equipped with special security devices, can test the UUT that use R32 refrigerant also.
In this test system, the operation of the equipment is controlled by a programmable controller and a HMI, test running data are collected by a high accuracy data collector, the data can be transferred at real time to an upper level computer for processing, the computer displays, stores, outputs and prints test reports.
According to standards
Design and Testing according to the following standards:
► ISO 5151:2010,
► ISO 15042: 2017
► SASO 2682:2016
► SASO 2663: 2013
.......
Types of UUT
-Wall type
-Ceiling type
-4 way type
-Floor stand type
Test contents
► Rated cooling capacity (T1, T2, T3).
► Rated heating capacity (High, Low, Extra-low)
► Airflow
► Dehumidification capacity
► Input power
► EER(COP)
► Frequency
► Current
► Voltage
Measurement Accuracy and Repeatability
| Measurement accuracy | Repeatability accuracy | |
| Testing method | Compared with standard machine | Average deviation from 3 tests once installed |
| Items | ||
| Cooling capacity | ±2％ beneath | ±1％ beneath |
| Heating capacity | ±2％ beneath | ±1％ beneath |
Chamber dimensions
► External dimensions (mm): subject to actual design
-Room A (5RT Indoor side room) dimensions (mm): subject to actual design
-Room B (5RT Outdoor side room) dimensions (mm): subject to actual design
► Materials: δ=100mm rigid polyurethane foam insulation, 0.6t color steel plate on inside and outside walls and ceiling, ID Room 2.5t stainless steel floor covered with 0.6t color steel plate, OD Room 3.0t stainless steel floor covered with 0.6t color steel plate.
► Doors: Single door (mm): 1200W×2500H,(2 set);
► View windows(mm): 400W×500H,(2 set)
Major test conditions:
| No | Testing Item | Indoor side(℃) | Outdoor side(℃) | |||
| Dry Bulb | Wet Bulb | Dry Bulb | Wet Bulb | |||
| 1 | Rating Cooling | T1 | 27 | 19 | 35 | 24 |
| T2 | 21 | 15 | 27 | 19 | ||
| T3 | 29 | 19 | 46 | 24 | ||
| 2 | Maximum Cooling | T1 | 32 | 23 | 48 | 32 |
| T2 | 27 | 19 | 35 | 24 | ||
| T3 | 32 | 23 | 52 | 31 | ||
| 3 | Freeze-up | T1 | 21 | 15 | 21 | 15 |
| T2 | 21 | 15 | 10 | 8 | ||
| T3 | 21 | 15 | 21 | 15 | ||
| 4 | Minimum Cooling | 21 | 15 | 18 | 12 | |
| 5 | Enclosure Sweat | 27 | 24 | 27 | 24 | |
| 6 | Rating Heating | High | 20 | 15 | 7 | 6 |
| Low | 20 | 15 | 2 | 1 | ||
| Extra Low | 10 | 8 | -5 | -6 | ||
| 7 | Maximum Heating | 27 | 19 | 24 | 18 | |
| 8 | Minimum Heating | 20 | 15 | -7 | -8 | |
| 9 | Automatic Defrost | 20 | 12 | 2 | 1 | |
