The Evaporator Coil is a necessary element in a heat pump system. The Evaporator Coil functions together with other components, such as the compressor, condenser, and fan, to ensure efficient heating and cooling. It&#;s responsible for absorbing heat from the air and transferring it to the refrigerant.
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When warm air is drawn into the heat pump by the fan, it passes over the Evaporator Coil. The heat from the air is transferred to the refrigerant, causing it to convert from a liquid to a gas. This process is known as heat transfer. The evaporator coil is designed to facilitate this heat transfer process, ensuring maximum efficiency in the heat pump system.
The Evaporator Coil absorbs heat from the air and releases it through the condenser during the heat transfer process. The refrigerant is responsible for carrying the heat to the condenser, where it is then released into the environment. The process repeats continually to maintain a constant temperature inside the house.
There are two common types of Evaporator Coils &#; fin and tube and plate types. The fin and tube type is the most widely used and is suitable for most residential and commercial applications. It comprises thin tubes connected to a network of fins, allowing maximum heat transfer. The plate type, on the other hand, is used in specialized applications where space is limited.
In conclusion, the Evaporator Coil plays a vital role in operating a heat pump system. Its ability to absorb heat from the air and transfer it to the refrigerant allows for efficient heating and cooling, ultimately resulting in lower operating costs and a reduced carbon footprint. Regardless of the type of Evaporator Coil used, its function remains the same &#; to facilitate heat transfer and maintain a constant temperature inside the home.
Better use of capital equipment spending & better use of energy is often more than just about higher efficiency single scoped products. Multi-function 4-pipe heat pumps are modern and combine 2 pieces of equipment in one. Chiller + boiler = Multi-function 4 pipe heat pump.
For those who are not aware of this relatively new technology a brief understanding of the refrigeration system is required. The basic refrigeration system where a compressor compressors gas and condenses the hot compressed gas to liquid (hot side-Typical 45..50oC) and then expands the same gas (cold side-Typical 2.0..3.0oC). Chillers use the cold side of this process to chill water from 12oC to 7oC and heat pumps water from 40oC to 50oC for heating. In cooling mode the heat is rejected in a wasteful manner to the ambient and likewise if used for heating the cold is wasted.
The standard model for heating and cooling commercial buildings uses a chiller and a separate gas fired boiler usually hotter at 60oC to 80oC for heating and cooling. This hence requires 2 separate pieces of equipment and controls. New modern buildings and modern system design can make use of multi-function 4 pipe heat pumps.
Multi-function heat pumps have additional heat exchangers and intelligent controls and can make use of waste heat and produce heating and cooling at the same time and independently*. Most cities in Australia spend a solid portion of the time in neither peak heating or cooling conditions meaning for extended periods the buildings can demand simultaneous heating and cooling. (or northern cities cooling with dehumidification and reheat). In these conditions Multi-function heat pumps can deliver both cooling and capture waste heat resulting in far higher than normal efficiency.
---Typical month VS heating or cooling load---
---Note a large portion of the year needs both heating and cooling---
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As with all products the designer and building owner should understand if they need simultaneous heating and cooling as increased product cost should be justified. This can easily be performed using information about your location and building layout.
The Muti-function heat pump operation can be described by these diagrams:
---Heat&Cooling no waste--- ---100% cooling,Heat to ambient--- ---100% heating, cool to ambient---
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PRODUCTS:
See Product section - WSAN-XIN MF - Cooling 48kW..80kW, Heating 55kW..92kW
See Product section - WSAN-XSC3 MF - Cooling 244kW..kW, Heating 283kW..kW
*Caution when cooling heat can be produced independently up to the cooling quantity, when predominantly heating cooling is produced via staging and cannot be produced and ramp up independently.
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