【Test items】

It can meet test water requirements of solar hot water system thermal performance, pressure resistance, internal and external thermal shock, rain and other items, consists of constant temperature water storage tank, chiller, circulating water pump, automatic controller.

【Technical Parameters】

● Constant temperature water storage tank is made of stainless steel, circular bucket, double-layer thermal insulation structure, polyurethane insulation material and water tank are integrated. The thickness of the inner cylinder is 1mm, and the thickness of the outer cylinder is 8mm. Capacity 3m3, water temperature electric heater: Power: 4 × 4KW; AC 220V. Pressure water level sensor: Water level output signal: 4 ~ 20MA; range: 0 ~ 2 meters.

● System power supply: AC220V 50HZ 300W.

● Temperature control range: 5 ℃ ～ 70 ℃, accuracy: ± 3 ℃. Flow control range: 0 ~ 3m3 / h, accuracy: <0.05%. Pressure control range: 0 ～ 2.5MPA, accuracy: <50Pa. Water tank water level: 0 --- 2m, accuracy: 0.05m Power supply voltage: 220V (± 10%), 50Hz (± 2%), power: 25KW.

● Water pump: Fully-automatic hot water booster circulation pump, specially suitable for solar products. The water pump has large capacity, stable pressure, and high lift. Since it is suitable for outdoor use, it is equipped with rain cover.

● Chiller

1) Cooling capacity: 31.2KW, input power: 11.2kw, compressor type: Fully enclosed high energy efficient scroll type.

2) Compressor power: 9kw, pump power: 1.1kw, pump head: 24 meters.

3) Water tank volume: 240L, nozzle size: DN40, air volume: 12000m3 / h.

4) Frozen water flow: 6 m3 / h, evaporator form: Water tank type / stainless steel plate type.

5) Unit weight: 550KG, dimensions: 1500 × 800 × 1400 (mm).

6) Protection device: High and low pressure, overload, antifreeze, time delay, over temperature, water flow protection.