(ASHPWH) Technology
AIR SOURCE
Heat Pump – Water Heater
- The heat from Ambient Air is absorbed by evaporator coils containing refrigerant at low pressure and low temperature.
- Due to heat absorption, the refrigerant boils & vaporizes. After passing through the compressor, the refrigerant attains high temperature & high pressure and enters the condenser with a heat exchanger.
- While condensing the refrigerant transfers heat to the water in the Heat Exchanger and thus loses its temperature.
- The refrigerant further loses its pressure & temperature while passing through the expansion valve and entering the evaporator chamber.
- Thus the cycle repeats. The COP ( Coefficient of Performance ) is between 3.5 to 4 which means that it will produce 3.5 to 4 units of heat energy by consuming 1 unit of electricity.
Why a heat pump in preference to traditional Water Heater: Economy comparison for heating 1000 ltrs. water from 20C to 55C
| Heater Type | Wood Boiler | Diesel Boiler | Gas Water Heater | Electric Geyser | *Electric boosted Solar |
HPWH | *SWH with HPWH |
| Energy Source | Wood | Diesel | Gas | Electricity | Solar & Electricity | Electricity & Air | Solar, Electricity & Air |
| Pollution | Very High | High | Moderate | None | None | None | None |
| Hazard | Moderate | High | Very high | Moderate | Moderate | None | None |
| COP Value | 0.50 | 0.85 | 0.85 | 0.95 | 3.0 | 3.5 | 3.5 |
| Unit Energy cost | Rs.6kg | Rs.56/ltrs | Rs.78/kg | Rs.6/unit | Rs.6/unit | Rs.6/unit | Rs.6/unit |
| Energy Consumption | 28 kgs | 4.1 ltrs | 3.3 kgs | 43 units | 43 units | 11.6 units | 11.6 units |
| Energy Cost/ton | Rs 168/- | Rs.230/- | Rs.257/- | Rs.258/- | Rs.258/- | Rs.70/- | Rs.70/- |
| Annual Energy Cost | Rs.61,320/- | Rs.83950/- | Rs.93805/- | Rs.94,170/- | Rs.30,960/- | Rs.25,550/- | Rs.8,400/- |
Advantage Air Source Heat Pump Water Heating System (ASHPWH)
- Requires less area for installation. Durability : long lifespan with low maintenance.
- 24 Hours hot water availability.
- Operates in all weather conditions.
- High pressure / low pressure protection.
- Antifreeze protection. Equipped with fully automatic and intelligent Micro processor controller and needs no human attendance once commissioned.
- Additional Feature : While running, the System releases cold air which can be ducted & used in required area.
VEDAL ENERGY TECHNOLOGIES
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