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Solar Thermal

Solar Cooling

Photovoltaic

Heat Pump

MODEL			Qabs4500
Solar Cooling-absorption chiller QAbs4500 (LiBr+H₂O)

		The solar cooling is an application that can optimize the use of the solar thermal energy and make it possible to enable solar energy provide full solution to household: Domestic hot water, solar heating and solar cooling. The absorption chiller works on the basis of the following physics principles: 1. Generators:driven by solar heated water, LiBr+water solution evaporate (water), the solubility of LiBr increase and get into Absorber; 2. Condenser: the steam (after evaporated) enters the condenser and becomes liquid again.
3. Evaporator: through throttle valve, water flows from condenser to the evaporator. under the condition of low pressure, water evaporate and absorb heat which generate cooling effect; 4.Absorber: the lower temperature steam flows from evaporator into Absorber, the high concentration LiBr solution absorbs steam(H₂O) and the solubility get lower, and then pump back to Generator to repeat the circulation.
Absorption chiller Qabs4500 generate chilled water to cool down space, which is driven by 90C hot water gained from solar energy via evacuated solar collector.


cooling capacity			4.5kW/Dry 10kW/humid with cooling tower
Absorbent/refrigerant			LiBr/Water
chilled water	temperature		6-12˚C
	pressure loss		0.52 Bar
	flow rate		1.56 m³/h
heat medium	hot contribution to Generator at 90˚C		7.2 kW
	pressure loss		0.36 Bar
	flow rate		0.9 m³/h
Electrical	Electrical consumption		1.11kW
Temperature	Inlet temperature of Generator		90˚C
	outlet of the chilled water		12˚C
	ambient air (air cooling)		30˚C
Dimensions	L x W x H		1202 x 803 x1202 mm
Volume			1.16 m3
Weight			290 kg

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