Wuxi Guanya Refrigeration Technology co., ltd
Heating Temperature Control

Heating Temperature Control

  • Heating Temperature Control
  • Dynamic Temp Control Systems-2.jpg
  • Dynamic Temp Control Systems-1.jpg
Heating Temperature Control

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


1. UST-series with the function of cooling down from high temperature and the temperature range from 250℃ to 50℃.

2. Equipped with heating and cooling system, large heat exchange area, rapid speed of heating-cooling, the small demand for heat conducting medium.

3. Can heating and cooling continuously.

4. The whole system is closed, there is no oil mist at high temperature, no volatilization of heat conducting medium at high temperature.

5. With inter temperature sensor PT-100 to adjust internal circulation temperature.

6. The whole system is a closed liquid circulation system with expansion tank, the expansion tank, and liquid circulation are thermal insulation, do not participate in liquid circulation, regardless of high or low temperature, the medium in the expansion tank is limited to 60℃.

7. Allow fill in 15℃ cooling water, to enlarge temperature range of 25℃ to 250℃.

Heating temperature control system consistent with SUNDI-series, but with only heating function, cooling can flow in water to cool to room temperature.


The system with feedforward with PV, the master PID loop operation results of the PV output and feedforward signals as the composite of the settings from the control loop, through such control of the temperature gradient to ensure the accuracy of temperature control system.

Model UST-3530 UST-3530W UST-5530 UST-5530W UST-7530 UST-7530W UST-A1030 UST-A1030W UST-A1530 UST-A1530W UST-A2530 UST-A2530W UST-A3830  UST-A3830W UST-A6030 UST-A6030W UST-A9530  UST-A9530W UST-A13030 UST-A13030W UST-A20030 UST-A20030W
Temp. range +50℃~+300℃
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.
±1℃ ±1.5℃
Heating power kW 3.5 5.5 7.5 10 15 25 38 60 95 130 200
kW at  ℃
300 ℃ 3.5 5.5 7.5 10 15 25 38 60 95 130 200
200 ℃ 3.5 5.5 7.5 10 15 25 38 60 95 130 200
100 ℃ 2.8 4 5 7 12 20 30 48 76 100 160
65 ℃ 1 1.8 2.2 3 5 8.5 12 19 30 40 64
Circulation pump max
L/min bar
35 35 50 50 110 150 200 250 400 400 600
2 2 2 2 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Connection size G3/4 G3/4 G1 G1 G1 DN32 PN10 DN40 PN10 DN40 PN10 DN50 PN10 DN50 PN10 DN65 PN10
Dimension cm 45*85
Weight kg 95 110 120 160 195 265 395 615 1220 1400 2150
Power 380V 50HZ 5KW 7KW 9KW 12kw 17kw 28kw 41kw 65kw 101kw 136kw 212kw

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.

The outdoor installation of air-cooled chillers makes it easy to be affected by outdoor sunlight, and  the ventilation and the environment and space has a direct impact on the cooling effect of the chiller. Today we are going to talk about the common failure and processing methods:

(1) Frequent start and stop of the compressor: there may be too much or too little refrigerant, resulting in pressure protection switch action which is resulted from too high exhaust pressure or  too low suction pressure, and also poor water system circulation make sevaporator surface frost.

Method: When the refrigerant is too much, the extra can be released at the vent. If there is a shortage, check whether there are leaks of the fluorine and fill the refrigerant.

If the water circulation system is blocked or stored in the air, you should exhaust; if water circulation too small, utilize the open refrigeration water circulation system.

(2) Noisy compressor when running: check whether the expansion valve fails, the temperature package discharges the suction pipe from the compressor, which causes the liquid refrigerant return to the compressor. If it is damaged, it should be repaired, for example, if the compressor is damaged, it should be replaced.

(3) Poor refrigeration capacity: the cause of the poor refrigeration capacity may be the insufficient refrigerantand low evaporation temperature that makes the  por cooling effect of pipeline; poor heat dissipation of the condenser; too large the resistant of the water circulation system,etc..

The refrigerant pipe should be checked for leakage and fill the refrigerant after repairing.You should repair the insulation layer and Clean the condenser to check whether the fan is working properly as well as clean the pipe filter.
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