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SUNDIZ8 -80°C ~ +250°C  Frequency Conversion Heater & Chiller System

SUNDIZ8 -80°C ~ +250°C Frequency Conversion Heater & Chiller System

  • Temperature Control Range: -80℃ ~ +250℃ (optional: -150℃ ~ +350℃)
  • Temperature Control Accuracy: ±0.1 °C

 

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Email: Lilia@lneya.com    WhatsApp: +86 17851209193

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This series of products adopts variable frequency control for their refrigeration and circulation systems, compared to the old product, it saves more than 20% energy, reduces noise by more than 5 decibels, and has a lower starting current.

By increasing the frequency, increasing the cooling power, and improving the cooling rate, the frequency conversion control of the circulating pump can be enhanced.

heater chiller

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Contact Us For More Information

Email: Lilia@lneya.com    WeChat ID: +8615251628237    WhatsApp: +86 17851209193

 

Model SUNDIZ8-3W SUNDIZ8-4W SUNDIZ8-6W SUNDIZ8-10W SUNDIZ8-15W
Temperature range -80℃~+250℃
Heating power kW 3.5 5.5 7.5 10 15
Cooling capacity kW @ 250℃ 3.5 5.5 7.5 15 20
20℃ 3.5 5.5 7.5 15 20
-60℃ 1.3 1.8 3 5.5 8
-75℃ 0.4 0.6 1 1.8 2.7
Medium temperature control accuracy ±0.1℃ ±0.1℃ ±0.1℃ ±0.1℃ ±0.1℃
Process temperature control accuracy ±0.3℃ ±0.3℃ ±0.3℃ ±0.3℃ ±0.3℃
Pump flow & pressure
max
35L/min 50L/min 100L/min 150L/min 250L/min
2bar 2bar 2bar 2.5bar 2.5bar
Refrigerant Primary R-404A + Secondary R508B
System pressure display The pressure of the refrigeration system and circulation system is detected by pressure sensors and displayed on the touch screen.
Controller Siemens S7-1200PLC, fuzzy PID control algorithm, with process dynamic control algorithm
Temperature control Heat transfer medium outlet temperature control mode
External temperature sensor: (PT100 or 4-20mA or communication setting)
Control mode (process dynamic control algorithm)
Programmable 25 programs can be knitted, each program can be edited with 85 steps
Communication Protocol Ethernet interface TCP/IP protocol, RS485 interface MODBUS protocol
Internal temperature feedback Equipment heat transfer medium outlet temperature, medium inlet temperature, refrigeration system condensation temperature, ambient temperature, compressor suction temperature, cooling water temperature (for water cooling equipment)
External temperature feedback PT100 or 4~20mA or communication setting
Cascade control The temperature difference between the thermal oil outlet temperature and the external temperature sensor can be set and controlled
Temperature difference control function The temperature difference between the equipment inlet temperature and the outlet temperature can be set and controlled (to protect system safety)
Closed circulation system The entire system is a fully enclosed system. There will be no oil mist at high temperatures and no absorption of moisture in the air at low temperatures. The system will not increase pressure due to high temperatures during operation, and will automatically replenish heat transfer media at low temperatures.
Heating Refers to the maximum heating output power of the system (depending on the model)
The heater has triple protection and independent temperature limiter to ensure the safety of the heating system
Use a voltage regulator to control the heating output and reduce the heater output current in process temperature control
Cooling It refers to the ability to take away heat at different temperatures (under ideal conditions). The actual working conditions need to consider the heat dissipation of the environment. Please enlarge it appropriately and take insulation measures.
External circulation pump flow & pressure Brand magnetic drive variable frequency pump
compressor Emerson, Mitsubishi and other inverter compressors
Frequency converter ABB and other well-known brands
Evaporator 316L plate heat exchanger
Refrigeration accessories Danfoss/Emerson accessories (drying filter, oil separator, high and low pressure protector, expansion valve)
Operation panel Wuxi Guanya customized 7-inch color touch screen, temperature curve display, EXCEL data export
Safety protection It has self-diagnosis function; phase sequence failure protector, refrigerator overload protection, overload relay, thermal protection device and other safety protection functions.
Refrigerant R-404A / R507C Optional R448
Water cooled condenser Standard plate heat exchanger
Casing material Cold rolled steel plate spraying (standard color RaL7035)
Interface size G3/4 G3/4 G1 DN32 PN10 DN40 PN10
Power supply 380V 50HZ / 460V 60HZ

 

CUSTOM OPTIONS

  • CUSTOM SIZES

Whether it is portable, compact, large and small chillers, we can custom design them according to your requirements.

No matter how many tons of chiller you need, we can create the best solution.

  • CUSTOM TEMPERATURE RANGES

We can create a custom solution for temperatures from -150℃ to +350℃.

Custom temperature ranges for specific industries.

  • CUSTOM COOLING/HEATING CAPACITY

We offer a very wide range of cooling/heating capacities for various industries.

  • CUSTOM TYPES

We provide chillers of various refrigeration types, including but not limited to air-cooled, water-cooled and evaporative-condensing chillers.

Regardless of the type of refrigeration compressor, we can design it according to your requirements.

  • CUSTOM ACCESSORIES

We use a variety of internationally renowned accessories, all of which can be customized for your needs, such as compressors, evaporators, heat exchangers, circulation pumps, controllers, expansion valves and shell materials, etc.

  • CUSTOM VOLTAGE

Customize chiller voltage and phase according to your needs.

Optional 110V/60HZ, 220V/60HZ, 380V/50HZ, 220V/50HZ, 400V/50HZ, 460V/60HZ, 440V~480V/60HZ, etc.

  • OTHER CUSTOMIZED SOLUTIONS

 

Tell Us More About Your Needs       

 

OUR ADVANTAGES

We offer:

Experience you can count on—

We’ve been designing and building custom products for more than 20 years. From medical chillers to energy storage chillers and everything in between, we’ve built products for virtually every industry and every application.

Same day quotes—

Get a quote for your project today! We often provide custom quotes in as little as 30 minutes.

24/7 customer service—

We are always here for you. Whether you have a question or need a quote, there’s always somebody here to communicate with you 24/7.

Durable, reliable equipment—

Our products are built with premium-grade materials, and we offer competitive warranties on all custom products.

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