EWWH770VZSS
    EWWH770VZSS
    EWWH770VZSS

    Key Technical Specifications EWWH770VZSS

    • Cooling capacity: 768KW (Cooling)

    • COP: 5.14W/W

    • Minimum cooling capacity: 20%

    • Power supply: 3 Pha/400V/50Hz

    • Power consumption: 149KW (Cooling)

    • Starting current Cooling/Max: 227/324 A

    • Number of compressors: 1 unit

    • R1234(ze)/7 refrigerant charge: 190kg

    • Evaporator chilled water flow rate: 36.8 l/s

    • Evaporator connection pipe size: 219.1mm

    • Condenser cooling water flow rate: 44.8 l/s

    • Condenser connection pipe size: 219.1mm

    • Noise level: 107dB(A)

    • Unit dimensions (H×W×L): 2,487x1,303x3,822 mm

    • Net weight/Operating weight: 4,237/4,488kg

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    Daikin Chiller Model EWWH770VZSS: An Efficient Cooling Solution for Businesses

    EWWH770VZSS

    The Daikin Chiller Model EWWH770VZSS is an advanced cooling unit designed to meet the demanding requirements of large buildings, factories, shopping centres and industrial facilities. With its powerful cooling capacity and high efficiency, this product provides users with stable operation and energy savings.

    Key Technical Specifications: EWWH770VZSS

    • Cooling capacity: 768KW (Cooling)
      The Daikin EWWH770VZSS chiller has a cooling capacity of up to 768KW, meeting substantial cooling demands in large-scale buildings and ensuring optimal cooling performance.

    • COP: 5.14W/W
      With a COP of up to 5.14W/W, the product delivers outstanding energy efficiency, helping to reduce operating costs over the long term.

    • Minimum cooling capacity: 20%
      The unit can modulate its cooling capacity down to a minimum of 20%, helping to save energy and accommodate cooling requirements that change over time.

    • Power supply: 3Pha/400V/50Hz
      The unit operates on a 3-phase, 400V, 50Hz power supply, making it compatible with the electrical systems of many industrial buildings and factories.

    • Power consumption: 149KW (Cooling)
      With a power consumption of 149KW, this Daikin chiller ensures effective cooling without consuming excessive energy.

    • Starting current Cooling/Max: 227/324 A
      The unit has a low starting current, helping to minimise the impact on the electrical system, protect equipment and extend the unit's service life.

    • Number of compressors: 1 Unit
      The unit uses a single compressor, helping to minimise maintenance and operating costs over the long term.

    • R1234(ze)/7 refrigerant charge: 190kg
      Uses R1234(ze) refrigerant, which is environmentally friendly and minimises the impact on the ozone layer.

    • Evaporator chilled water flow rate: 36.8 l/s
      With an evaporator chilled water flow rate of 36.8 l/s, this chiller ensures high and stable cooling performance.

    • Evaporator connection pipe size: 219.1mm
      The evaporator connection pipes are robustly designed for easy installation and maintenance.

    • Condenser cooling water flow rate: 44.8 l/s
      The unit provides efficient heat rejection, ensuring continuous operation without overloading.

    • Noise level: 107dB(A)
      Despite its powerful capacity, the unit's noise level remains acceptable at 107dB(A), making it suitable for areas without particularly stringent noise requirements.

    • Unit dimensions (H×W×L): 2,487x1,303x3,822 mm
      With its large dimensions, this chiller can be installed in spacious areas such as factories, shopping centres or production facilities.

    • Net Weight/ Operating Weight: 4,237x4,488Kg
      The unit's substantial weight ensures stability during operation in industrial environments.

    Reasons to Choose the Daikin EWWH770VZSS Chiller

    1. Superior cooling performance: With a capacity of up to 768KW and a high COP, this chiller saves energy while ensuring optimal cooling performance.

    2. Operating cost savings: Advanced technology minimises energy consumption while maintaining stable cooling capacity.

    3. Environmentally friendly: Uses R1234(ze) refrigerant, minimising adverse environmental impacts.

    4. High durability: With its robust construction and durable components, the Daikin Model EWWH770VZSS chiller offers a long service life and easy maintenance.

    5. Easy installation and maintenance: The unit's dimensions and design make installation and maintenance easy and convenient.

    The Daikin EWWH770VZSS chiller is an ideal choice for industrial projects, factories and areas requiring efficient, energy-saving cooling. With its outstanding features and technical specifications, this product will undoubtedly meet all your business's cooling needs.

    Practical Applications of the Daikin Model EWWH770VZSS Chiller

    The Daikin Model EWWH770VZSS chiller is an optimal cooling solution for various sectors and industries. With its powerful cooling capacity and high efficiency, this product is widely used in projects requiring substantial, stable and energy-efficient cooling. Below are some common practical applications of the Daikin EWWH770VZSS chiller:

    1. Manufacturing Industry:

    In manufacturing plants, particularly those requiring strict temperature and humidity control, such as in the food, pharmaceutical or chemical industries, the Daikin Model EWWH770VZSS chiller can provide stable and efficient cooling. The unit helps maintain ideal production temperatures and protect product quality, while minimising operating costs through energy-saving technology.

    2. Commercial Buildings and Shopping Centres:

    Shopping centres, office buildings and large shopping areas need powerful air conditioning systems to maintain a comfortable environment for customers and staff. With a cooling capacity of 768KW, the Daikin EWWH770VZSS chiller can cool large spaces while saving electricity costs thanks to its high COP.

    3. Data Sector and Data Processing Centres:

    Data centres (Data Centers) and data processing centres require strictly controlled temperatures to protect sensitive electronic equipment. The Daikin Model EWWH770VZSS chiller can maintain stable temperatures in these centres while minimising maintenance and operating costs thanks to its outstanding energy-saving capabilities.

    4. Central Air Conditioning Systems:

    The Daikin EWWH770VZSS chiller is an ideal choice for central air conditioning systems in large buildings, complexes, hospitals, schools or public areas. With its high capacity and efficient cooling capabilities, this chiller can provide cool, comfortable air across a large area without significantly increasing electricity costs.

    5. Pharmaceutical and Food Industries:

    In the pharmaceutical and food industries, maintaining precise working temperatures is essential to ensuring product quality. The Daikin Model EWWH770VZSS chiller can maintain a stable cooling environment, helping preserve products over the long term without compromising their original properties.

    6. Chiller Cooling Systems for High-Rise Buildings:

    The Daikin EWWH770VZSS chiller is commonly used in high-rise buildings, where powerful and stable cooling systems are required. With an evaporator chilled water flow rate of 36.8 l/s and durable operation, this unit can provide cooling for an entire building without overloading.

    7. Heavy Industrial Applications:

    In heavy industries such as metallurgy, machinery manufacturing and other manufacturing sectors, precise cooling is required to protect equipment and ensure smooth production processes. The Daikin EWWH770VZSS chiller can meet these stringent requirements with powerful cooling performance and easy maintenance.

    8. Heat Rejection Systems for Power Plants:

    The Daikin EWWH770VZSS chiller can be used in heat rejection systems for power plants, where temperature and humidity control is needed to protect electrical equipment and optimise production processes.

    Conclusion: EWWH770VZSS

    The Daikin Model EWWH770VZSS chiller is not only a powerful industrial cooling unit but also an optimal solution for various sectors and industries. With its high cooling capacity, high efficiency and energy-saving features, this product contributes to improving production efficiency, minimising operating costs and protecting the environment.

    Installation and Operation Guide for Daikin Chiller Model EWWH770VZSS

    The Daikin Chiller Model EWWH770VZSS is a powerful industrial cooling unit that requires proper installation and operation procedures to ensure optimal performance and user safety. Below are detailed instructions on how to install and operate this chiller.


    1. Installation Guide for Daikin Chiller EWWH770VZSS

    Preparation Before Installation:

    • Check the installation area: Choose an installation location near the power supply and cooling water system, with easy access for servicing and maintenance. Ensure that this area has sufficient space for the unit to operate efficiently and is unobstructed.
    • Ensure the electrical and water systems are ready: Check beforehand that the 3-phase electrical system (400V, 50Hz) and the chilled water supply and heat rejection systems are ready for connection to the unit. Ensure that the connecting pipes and electrical cables are sized appropriately for the unit's requirements.
    • Check the components: Ensure that all components (pipes, valves, connections, electrical insulation materials, etc.) are available and compatible with the unit.

    Installation Procedure:

    1. Position the unit: Place the unit on a flat, solid surface with a high load-bearing capacity. The Daikin Chiller EWWH770VZSS is quite heavy, so lifting equipment must be used when moving it.
    2. Connect to the power supply: Connect the 3-phase electrical cables (400V, 50Hz) to the unit's input terminals according to the wiring diagram. Ensure that the electrical connections are safe and there is no electrical leakage.
    3. Connect the chilled water system: Connect the chilled water pipes to the evaporator and condenser according to the standard dimensions (219.1mm). Check the connections for tightness to prevent water leaks.
    4. Connect the heat rejection piping: Connect the condenser heat rejection system to ensure that a steady cooling water flow rate is maintained (44.8 l/s).
    5. Charge the refrigerant: The unit uses R1234(ze) refrigerant. Check the refrigerant level and top up if necessary to achieve optimal cooling performance.

    Post-Installation Checks:

    • Check the condition of the electrical system: Ensure that the electrical system is free of faults and that the protective circuit breakers and overload monitoring devices are operating normally.
    • Check the water system: Check the water connections to ensure there are no leaks and that the water flow rate meets requirements.
    • Check the refrigerant: Ensure that the refrigerant charge is sufficient and that there are no leaks in the system.

    2. Operating Instructions for the Daikin EWWH770VZSS Chiller

    Starting the Chiller:

    1. Turn on the power: Ensure that the 3-phase power supply is correctly connected, and check the circuit breakers and electrical switches.
    2. Check the operating parameters: Before starting the unit, check operating parameters such as voltage, current, water flow rate, and evaporator and condenser temperatures.
    3. Start the unit: Turn on the start switch and monitor the unit's startup process. When the unit is running, check readings such as the starting current (227A) and maximum current (324A) to ensure that the unit operates within safe limits.
    4. Check the noise level: The unit has a noise level of 107dB(A), so ensure that it is installed away from working or living areas to minimise noise.

    Operating the Cooling Process:

    • Adjust the cooling capacity: The Daikin EWWH770VZSS Chiller can adjust its cooling capacity down to a minimum of 20%. The operator can adjust the cooling capacity to match the building's actual cooling requirements.
    • Monitor performance: Use the control panel to monitor parameters such as temperature, water flow rate, cooling capacity, and power consumption. This helps ensure that the unit operates efficiently and saves energy.
    • Monitor the cooling and heat rejection systems: Check the parameters of the evaporator chilled water system and the condenser heat rejection system to ensure that water flow and temperature remain stable.

    Shutdown Procedure:

    1. Turn off the switch: When the unit is no longer needed, turn off the switch and disconnect the 3-phase power supply.
    2. Check the condition of the unit: Before shutting down the unit completely, recheck the parameters and ensure that the unit has been switched off safely.
    3. Periodic servicing: After each operating cycle, perform periodic servicing, including checking and replacing components if necessary, cleaning parts such as the condenser and filter, and checking the refrigerant and electrical system.

    Important Operating Notes:

    • Safety: Ensure that safety regulations are always followed when operating the unit, including using personal protective equipment and ensuring that the unit's installation area is free of obstructions.
    • Periodic maintenance: To ensure efficient and durable operation, perform periodic servicing such as checking connections for leaks, cleaning the filter and condenser, checking the refrigerant level, and replacing components if necessary.
    • Troubleshooting: If the unit develops a fault (such as no cooling, a power failure, or a water leak), stop operation immediately and contact the technical team for inspection and repair.

    Proper installation and operation not only help the Daikin EWWH770VZSS Chiller operate efficiently but also extend the equipment's service life and help save energy throughout its use.

    Technical Specifications

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