CHINT Contactor NC7-1210
Type: Contactor
Brand: Chint
Electricity Type: AC Main Circuit Rating Voltage: 380v Model Number: NC7-1210 Rated working power: 7.5W Installation method: Rails/screws installed Coil voltage: AC380-690V
Type: Contactor
Brand: Chint
Type: Contactor
Brand: Chint
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Danfoss training-scroll compressor I participated in Danfoss' service provider training and learning twice a week this week, mainly on scroll compressors (MLM series, MLZ series, LLZ series), and the recently hot scroll compressors for heat pumps (SH series, PSH series) ). And analyze the common faults of the compressor and exchange solutions.
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This is the reason for the overheating of refrigeration compressor exhaust~! The main reasons for the exhaust temperature overheating are as follows: high return air temperature, large motor heating capacity, high compression ratio, high condensation pre 器2 䀀 ᅵ皥 䖒皦즠Ʋ煔क़ 㲈Ʋ 䌁
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The motor does not rotate or the speed is abnormal After starting the spindle drive system, if the main motor does not rotate or the speed is abnormal, the possible causes are as follows
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Working principle diagram and precautions of screw air compressor Working principle diagram of twin screw air compressor 1. Basic structure and working principle
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The definition of a smart pressure transmitter is arguable. Some people think that smart pressure transmitters refer to those with highway addressable remote transducer (HART) protocol output
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Advantages of rolling rotor compressors_Disadvantages of rolling rotor compressors Rolling rotor compressor, also known as rolling piston compressor or fixed vane compressor, is a type of rotary compressor. <img src="{{media url="Advantages_of_rolling_rotor_compressors_Disadvantages_of_rolling_rotor_compressors.jpg"}}" alt="" /> Working principle of rolling rotor compressor Rolling rotor compressor is a volume type rotary compressor. The change of the working volume of the cylinder is achieved by the rolling of the cylindrical rotor of the cylinder in the cylinder by an eccentric device.
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1. Symptoms-the solenoid valve does not open possible reason: 1 The coil has no voltage. 2 Incorrect voltage/frequency 3 Coil burned out 4 Pressure
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At present, many office buildings and single-family villas have installed ground source heat pumps, but you should not think that you will have nothing to worry about after installation.
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Tripping when the freezer starts is a problem that many users may encounter when using the freezer for the first time. Domestic refrigerators are widely used. Although domestic refrigerators have high performance,
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