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Company News

  • Chiller low pressure alarm

    1. The low pressure of the chiller is very low, and the high pressure is very high, but there is no air leakage. At this time, check whether the temperature at both ends of the expansion valve and the filter dryer is consistent, or see whether the base of the expansion valve is frosty. Determine ...
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  • High voltage alarm 30AD troubleshooting steps

    1. Check the pressure gauge; if it is higher than 24kg, the condenser has poor heat dissipation; if it is lower than 24kg, the high voltage pressure is broken; 2. Check for poor heat dissipation: a. Whether the fans are all running and there is no reverse rotation; if there is any reverse rotatio...
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  • Compressor low pressure alarm

    When the low pressure gauge of the chiller alarms There are two possibilities First, there is a refrigerant leak Second, there is a blockage in the system What should we do ? Fill some refrigerant, if the low pressure pressure gauge can come up, it means that the refrigerant is leaking, if the r...
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  • HERO-TECH MACHINE RFQ

    Water flow alarm Shell and tube evaporator has a water flow switch, check whether the water flow switch is faulty 1. The normally closed state is shown in the following figure. If it is normally closed, act step 3; 2. Normally open state is the following figure, if it is normally open state, the...
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  • Do not force chiller running once it has alarm!

    Do not force chiller running once it has alarm!

    The chiller control system has kinds of protetion and relevant alarm to remind user or techician STOP CHILLER & CHECK THE PROBLEM. But mostly they ignore the alarm, only reset the alarm and continuously run the chiller, but that will lead big damage sometimes. 1. Flow rate alarm: if alarm sho...
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  • Spring Festival Holiday 7th To 22nd Feb

    Dear All, We will start holiday from 7th Feb for Spring Festival Holiday, and will start work on 23rd Feb. If anything urgent, please call us via phone number, +86 15920056387 Thanks and best regards, SHENZHEN HERO-TECH REFRIGERATION EQUIPMENT CO., LTD Add: Building 34, Dayangtian Industrial Park...
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  • 20th Anniversary Celebration

    Happy Birthday to HERO-TECH GROUP On the date of 18th Aug, HERO-TECH was started as a trading company. 2010, SHENZHEN HERO-TECH started as a professional manufacturer of industrial refrigeration equipment. 2012, Longstar import and export company started as the second subsidiary corporation; 201...
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  • Official Announcement

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  • Hot Season For Water Chiller Orders

    After short Spring Festival Holiday, we enter into a very busy working schedule. Because domestic customers already placed orders before holiday and needed after holiday finished, and oversea customers orders are coming in great numbers because of the summer is coming, especially our distributors...
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