Wuxi Guanya Refrigeration Technology co., ltd
SUNDI -100℃~135℃

SUNDI -100℃~135℃

  • SUNDI -100℃~135℃
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SUNDI -100℃~135℃

  • Product Description
  • System Introduce
  • Technical Parameter
  • Knowledge Center


Temp. range -100℃~+135℃(the system add pressure 3bar)
Control Mode Feedback PID + Our special dynamic control calculation, PLC controller
Temp. control Process temp control and jacket temp control model
Temp. difference Set or control the temperature difference between jacket oil and raw material process
Program Editor 10 programs, each program can edit 42 steps.
MODBUS RTU Protocol,RS485 interface
Material temp.
PT100 OR 4~20mA or communication(normal: PT100)
Temp. feedback The temp. of three points: the inlet and outlet of equipment,  reactor material temp.(external temp. sensor)
Medium temp.
±0.5℃ ±1℃
Material temp.
Heating power kW 3.5 5.5 7.5 10 15 25 38 60 80
kW at
135℃ 3.5 5.5 7.5 10 15 25 38 60 80
0℃ 3.5 5.5 7.5 10 15 25 38 60 80
-60℃ 2.8 5 6.2 8 9 15 23 38 52
-80℃ 1.9 2.8 3.4 4.1 5 8 13 22 30
-90℃ 0.7 1.2 1.6 2 3 4.8 7.5 12 16
-100℃ 0.45 0.7 0.9 1.2 1.8 2.9 4.5 7.2 9.5
Circulation pump
max L/min bar
35 50 50 110 110 150 200 400 400
2 2 2 2.5 2.5 2.5 2.5 2.5 2.5
Pump LNEYA magnetic drive pump German magnetic drive pump
Compressor Dorin semi-closed compressor
Oil separator EMERSON
Expansion valve Emerson thermal expansion valve/Emerson electronic expansion valve/danfoss thermal expansion valve.
Evaporator DANFOSS/KAORI Plate heat exchanger
Operation Panel 7-inch touch screen,show temp curve\EXCEL data output
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
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 supply oil automatically at low temperature.
Refrigerant R404A/R23/R14 mixture,optional: R125/R23/R14 mixture
Connection size G3/4 G3/4 G1 G1 DN32 PN10 DN32 PN10 DN40 PN10 DN50 PN10 DN50 PN10
Dimension cm 55*95
100*95*185 100*95*185 150*100*185 205*145
Weight kg 435 565 705 890 1250 1600 2100 2950 3350
Power 380V 50HZ 12kW max 18kW max 24kW max 30kW max 40kW max 60kW max 85kW max 135kW max 200kW max

Typical application of refrigeration heating temperature control system

Dynamic thermostatic control of cold and heat source of high pressure reaction kettle, dynamic thermostatic control of double layer glass reaction kettle, and dynamic thermostatic control of cold and hot source of double-layer reactor.

Microchannel reactor thermostatic control, small temperature control system, steam - feeding system temperature control, material low temperature aging test.
The thermostatic control of the combined chemical cold source heat source, the cooling heating of the semiconductor equipment and the heating temperature of the vacuum chamber are controlled.

Advantages and functions of temperature control system of refrigeration

Temperature range from 120 to 350, performance superior, unique, high - precision, intelligent temperature control.
High cooling power from 0.5 to 1200kW, highest production stability and repeatable results.
Multi-function alarm system and safety function, use plate heat exchanger, tube type heater to increase heating and cooling rate.
7-inch and 10-inch color TFT touch screen graphics display, use magnetic drive pump, no re-seal leakage problem.
Full airtight system, extended thermal conductivity liquid life, very wide temperature range, no need to change liquid media.
Ultra-high temperature cooling technology can be cooled directly from 300 degrees of high temperature.
The principle and the function has many advantages to using staff: because only expansion of cavity in the body heat conduction medium contact with oxygen in the air (and expansion tank temperature at room temperature to 60 degrees), can achieve lower heat conduction medium absorbed by oxidation and the risk of air moisture.
No heat conduction medium evaporates at high temperature, and it can be achieved -80 ~ 190 degrees, -70 ~ 220 degrees, -88 ~ 170 degrees, -55 ~ 250 degrees, -30 ~ 300 degree continuous temperature control without pressurization.

Adopt full closed pipe design, adopt high efficiency plate heat exchanger, reduce the demand of heat conduction liquid, improve the heat utilization rate of the system, reach the rapid lifting temperature.Thermal conductive medium in a closed system, with a container, expand the heat-conducting medium not participate in circulation in the container, whether high or low temperatures, expansion tank temperature to room temperature to 60 degrees, can reduce the heat conduction medium in running the risk of absorb the moisture and volatile.

In the use of industrial water chiller, the controller is the key point, so, do you know the function of the chiller temperature controller? Today, we're going to talk about it!

1. The flow switch of the chiller is used as the control or interruption protection of the fluid flow in the pipe. When the fluid flow reaches the setting value, the switch will be automatically cutoff (or switched on) the circuit.

2. Temperature controller
The temperature controller of the industrial chiller is used as the control or protection of the unit. When the temperature reaches the setting value, the switch will be automatically cut off (or switched on). In our products, the temperature control is often used to control the unit's downtime with the temperature of the tank. And some of them need to be used as temperature controller.

3. Oil pressure controller:
Cold water machine has a unique built-in type hydraulic system. It can ensure the compressor to maintain the best effect of lubrication without the oil pump. And oil separator adopts double filtering method, resulting good oil filter and maximized capacity of heat exchanger.
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E-mail: sales@cnzlj.com
Add: No.203, Hongyun Road, Hongshan Street, Optoelectronics Park, Xinwu District, Wuxi City, Jiangsu Province, China
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