Typical Applications
Reactor Systems Autoclaves
Pilot Systems
Double wall reactors
Advanced-Flow Reactors
Material Testing
Semiconductor Industry
Vacuum Chambers
Advantages & Functions
Working temperatures from -100℃ to +350℃
Intelligent temp. control
Max. process stability
Plate heat exchager
Closed system
Touch screen display
Warning and safety functions
Rapid cooling
Magnetic drive pump
Structure design
A fully closed piping design, high efficiency plate heat exchanger used to reduce the
demand for the thermal fluid utilization while providing the system to achieve the rapid
ups and downs in temperature.
Display funcation
Displays various information on the touch screen.
Process Control Schematic diagram
High repetative of tempeature control effect
Each cycle curve slope is consistent and greatly improve the consistency of production thermostatically control environment.
Technical Parameters:
Model | SUNDI-825W | SUNDI-835w | SUNDI-855W | SUNDI-875W | SUNDI-8A10W | SUNDI-8A15W | |
Temperature range ℃ | -80℃~250℃ | -80℃~250℃ | -80℃~250℃ | -80℃~250℃ | -80℃~250℃ | -80℃~250℃ | |
Control Mode | Feed forward PID + Our special dynamic control calculation, PLC controller | ||||||
Temp. control | Option: process temperature control or jacket oil temperature control | ||||||
Temp. difference | Set or control the temperature difference between jacket oil and raw material process | ||||||
Program Editor | 20 programs, each program can edit 45 steps. | ||||||
Communication protocol | MODBUS RTU Protocol, RS 485 Interface | ||||||
Temperature feedback | Heat-conducting medium: PT100 Raw material process: PT100 | ||||||
Temp. accuracy | ±1℃ | ±1℃ | ±1℃ | ±1℃ | ±1℃ | ±1℃ | |
Heating power | 2500W | 3500W | 5500W | 7500W | 10000W | 15000W | |
Cooling capacity | 250℃ | 2500W | 3500W | 5500W | 7500W | 10000W | 15000W |
100℃ | 2500W | 3500W | 5500W | 7500W | 10000W | 15000W | |
20℃ | 2500W | 3500W | 5500W | 7500W | 10000W | 15000W | |
0℃ | 2500W | 3500W | 5500W | 7500W | 10000W | 15000W | |
-20℃ | 2500W | 3500W | 5500W | 7500W | 8500W | 14000W | |
-40℃ | 1800W | 2550W | 3300W | 5800W | 6300W | 11000W | |
-60℃ | 1000W | 1400W | 1600W | 3000W | 3300W | 5800W | |
-75℃ | 300W | 420W | 700W | 1300W | 1400W | 2400W | |
Circulation pump | Max20L/min 2BAR | Max35L/min 2BAR | Max50L/min 2BAR | Max75L/min 2.5BAR | Max110L/min 2.5BAR | Max110L/min 2.5BAR | |
Compressor | Copeland | Copeland | Copeland | Copeland | Copeland | Copeland | |
Expansion valve | Danfoss | Danfoss | Danfoss | Danfoss | Danfoss | Danfoss | |
Oil separator | Emerson | Emerson | Emerson | Emerson | Emerson | Emerson | |
| Evaporator | KAORI plate heat exchanger | KAORI plate heat exchanger | |||||
Operation Panel | 7-inch color touch screen controller, temperature curve record, data export to excel format. | ||||||
Safety protection | Self-diagnosis function; freezer overload protection; high pressure switch, overload relay, thermal protection device, liquid low level protection, high temperature protection and temperature fault protection. | ||||||
Closed circulation system | The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supplement oil automatically at low temperature. | ||||||
Refrigerant | R-404A R23 | R-404A R23 | R404A R23 | R404A R23 | R404A R23 | R404A R23 | |
Connection size | DN-15 or M24*1.5 | DN20 or M30*1.5 | DN20 or M30*1.5 | DN20 or M30*1.5 | DN20 or M30*1.5 | DN-25 M38*1.5 | |
Water-cooled type W (cooling water at 20℃) | 900L/H 1.5bar~4bar | 1200L/H 1.5bar~4bar | 1800L/H 1.5bar~4bar | 2300L/H 1.5bar~4bar | 3200L/H 1.5bar~4bar | 4500L/H 1.5bar~4bar | |
Dimension (water-cooled) | 500*600*1250 | 550*700*1650 | 550*700*1650 | 700*800*1650 | 700*800*1650 | 1000*950*1650 | |
Weight (water-cooled) | 240kg | 285kg | 345kg | 500kg | 600kg | 750kg | |
Power | AC 380V 50HZ 6.5kW (max) | AC 380V 50HZ 10kW (max) | AC 380V 50HZ 13kW (max) | AC 380V 50HZ 17kW (max) | AC 380V 50HZ 22kW (max) | AC 380V 50HZ 33kW (max) | |
Case material | SUS 304 | SUS 304 | SUS 304 | SUS 304 | SUS304 | SUS304 | |
Optional | Optional Ethernet interface, configure PC operating software | ||||||
Optional | Optional outside touch screen display controller (separated), the communication line distance is 10 meter. | ||||||
Optional power | 220V 60HZ three-phase, 440V~480V 60HZ three-phase | ||||||
- Development history
2006 Start production of refrigeration and heating system .
2008 The first generation of refrigeration and dynamic temperature control system.
2009 Developed the second generation of refrigeration and heating thermostat.
2010 Established WUXI GUANYA REFRIGERATION TECHNOLOGY CO., LTD.
2012 Single compressor having multiple circulation systems is applied SUNDI and LT series.
2014 Developed with large capacity of ultra-low temperature freezer
2016 low temperature freezer, plate freezer into the market