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Condensing Exhaust Heat Recovery Air Handling Units With EC Fan

Categories Heat Recovery Unit
Brand Name: Longer Leader
Model Number: LDPTU-3HP
Certification: ISO9001, CQC
Place of Origin: China
MOQ: 1 set
Price: Negotiable
Payment Terms: T/T
Supply Ability: 30~50 sets / Month
Delivery Time: 30 days
Packaging Details: Export standard paper carton or wooden case
Product name: Air handling unit
Installation: Ceiling Hang/floor Installation
Air Flow:: 1,000~2,000 m3/h
Place of Origin:: China
Warranty:: 1 year
Cooling Capacity(kW):: 5~20kw
Heating Capacity(kW):: optical
Brand name:: Longer leader
Video:: Provided
After-sales Service Provided:: Online support
Type:: Condensing Exhaust Heat Recovery Air handling Units
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    Condensing Exhaust Heat Recovery Air Handling Units With EC Fan

    Longer Leader Condensing Exhaust Heat Recovery Air Handling Units With EC Fan

    Product Description

    Longer Leader air heat recovery AHU’s air flow range is from 1,000m3/h to 300,000m3/h. Heat recovery unit is the part or module of air handling unit that incorporates the heat exchanger and its auxiliary equipment(motor, controls ect), but is often used to descrive the whole packaged AHU incorporating its heat exchange.


    Longer Leader has 4 kinds of heat recovery parts as belows,


    1. Condensing Heat Recovery ( Add another coil )

    Features: After the air is cooled by the evaporator, the temperature is very low. It's extremely energy consuming to add an auxiliary electric heating to raise the temperature. If using the heat of condensation instead of electric heating, it will not only reduce the risk of fire potential, but also save a lot of electricity.



    2. Heat Pipe Heat Recovery

    Features: Since it is phase change heat transfer and the internal thermal resistance of the heat pipe is very small, a large heat transfer amount can be obtained under a small temperature difference. The cross-contamination and leakage rate of fresh air and exhaust air is ≤1%. The heat recovery efficiency is usually 50%, and the device requires no power.


    Heat pipe heat recovery uses heat pipe elements as energy recovery cores to exchange energy with the passing fresh air and exhaust air, thereby realizing energy recovery and utilization. Heat pipes are composed of closed vacuum metal tubes filled with a certain amount of refrigerant. Heat pipe heat recovery used in civil building ventilation and air conditioning generally adopts the form of gravity heat pipes.


    Working principle: When the hot end (evaporation section) of the gravity heat pipe absorbs heat from the hot air flow flowing through the heat pipe, the volatile liquid in the heat pipe evaporates, and the highly saturated vapor generated flows to the cold end (condensation section), and the cold air flow absorbs the vapor. The released condensation heat is then condensed into liquid and flows back to the evaporation section by gravity, thus continuously exchanging heat.



    3. Rotary Heat Recovery
    Features: The cross-contamination and leakage rate of fresh air and exhaust air is usually 0.5%~10%. If double cleaning fans are installed, the cross-contamination and leakage rate of fresh air and exhaust air can be ≤0.013%. The runner speed can be controlled to adapt to different outdoor air parameters. Heat recovery efficiency is generally 75%. The equipment is larger, occupies more area and space, and the pipes are fixed, and the belt transmission equipment consumes a certain amount of kinetic energy.
    Rotary heat recovery uses a 100~200mm thick runner with the functions of heat storage and moisture adsorption (in full heat recovery) as a carrier to exchange energy with the passing fresh air and exhaust air, thereby realizing energy recovery and utilization.
    4. Plate Heat Recovery

    Features: The cross-contamination and leakage rate of fresh air and exhaust air is ≤5%, the heat recovery efficiency is usually about 65%, and the device does not require power.


    Working principle: Depending on the temperature or humidity difference in the air (fresh air and exhaust air) flowing through both sides of the board, when the fresh air and exhaust air flow through the closed two-side panels in a cross or counter-flow form, energy exchange will occur on both sides. exchange.


    Longer Leader Advantages

    Variable speed drive (VSD) technology, explosion proof and energy saving.



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