Screw type chiller

product profile

Design of screw chillers proprietary screw rotor profile, directly driven by the motor compressor rotor, the compression efficiency is outstanding and advanced economy is quiet operation and double loop design, slide valve stepless adjustment of compressor capacity and electronic expansion valve dynamic control, optimize the system part load efficiency, intelligent energy-saving reset function, automatic adjustment of frozen water in return or the outdoor environment temperature is reduced through the Gao Min temperature sensor, water temperature and air conditioning condition special ice making condition automatically, and the ice storage system of efficient integration, perfect to meet the comfort requirements of building energy saving. The outlet temperature of the evaporator is up to -12, and the water temperature of the condenser can reach up to 63.

Matters needing attention of screw type water chiller:
The screw type water chiller has more safety protection measures, the higher degree of autonomous operation in the operation process strictly according to the operation procedures, to avoid the unit damage caused by human factors.
1 screw type chiller is equipped with a high and low pressure controller to ensure the safety and normal operation of the compressor. The high and low pressure controller has been adjusted before the factory, the adjustment value of the high pressure is 2.0Mpa, and the low pressure is 0.15Mpa;
2 screw type cold water unit matching the oil pressure controller, used to protect the compressor oil supply and lubrication system to work properly.
The factory has adjusted the temperature controller 3 screw chillers, the evaporator outlet temperature lower limit value is 5. The upper limit of 35 DEG C, the user can adjust according to the requirements of the production process, but the evaporator outlet temperature should not be less than 4 degrees, to prevent freezing of evaporator, the compressor should also try to meet an hour off the number is less than 6 times, each run time should be more than 5 minutes, a shutdown time shall not be less than 5 minutes;
4 the amount of lubricating oil in the refrigeration compressor must not be lower than the "low" line in operation, and be replaced according to the degree of the oil and the color of the oil;
5 screw type water chiller in the power supply before, please check the power distribution box wiring terminal screws are loose, and timely treatment;
6 screw chiller condenser installation safety valve, when the condensation pressure is higher than 2.4Mpa, the safety valve automatically opens;
7 in order to ensure the efficient condenser, the scale must be regular cleaning of condenser;
8 cooling water water control installation of harrow type flow switch, prevent cooling water water or water flow. Due to the relatively insufficient pressure, internal screw chillers of electrical components, and the installation position and other factors, the operation must be Caution!, to read the relevant instructions, safety precautions and various listed on the label.