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2.3.4 Flow Switch

Picture 2-12

：

Flow Switch

The flow switch is adopted to avoid system damage caused by the cold water

circulation failure of the water chiller.

2.3.5 Liquid Level Indicator

Picture 2-13

：

Liquid Level Indicator

With the liquid level indicator, it can check whether the water level in the tank is

in normal range.

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Содержание SIC-10A

Страница 1: ...SIC A Air cooled Water Chillers Date May 2021 Version Ver B English...

Страница 2: ......

Страница 3: ...nents and Functions 16 2 2 1 Compressor 16 2 2 2 Condenser 16 2 2 3 Drying Filter 16 2 2 4 Thermal Expansion Valve 17 2 2 5 Evaporator 17 2 2 6 High and Low Pressure Controller 17 2 2 7 Fluid Reservoi...

Страница 4: ...re setting method 33 4 5 2 Default parameter setting 34 4 5 3 Parameter setting method 34 5 Troubleshooting 35 6 Repair and Maintenance 37 6 1 Filling the Refrigerant 39 6 2 Components Maintenance 40...

Страница 5: ...ve 17 Picture 2 6 Evaporator 17 Picture 2 7 High and Low Pressure Controller 18 Picture 2 8 Fluid Reservoir 18 Picture 2 9 Refrigerant Indicator 19 Picture 2 10 Liquid Pipe Solenoid Valve 19 Picture 2...

Страница 6: ...r overload protection pump overload protection phase reverse alarm anti freezing protection high low pressure protector which features stable performance and long service life It can quickly cool down...

Страница 7: ...of 0 1 All adopt branded compressors with low noise high efficiency and long service life SIC A adopts fin style condenser design without any need of cooling water for excellent heat transfer and rap...

Страница 8: ...e engineers Other chapters contain instructions for the daily operator Any modifications of the machine must be approved by SHINI in order to avoid personal injury and damage to machine We shall not b...

Страница 9: ...0 174 1320 1 1 1 2 1 2 1 2 315 SIC 8A 1350 640 735 300 204 1610 11 2 11 2 1 2 1 2 1 2 400 SIC 10A 1440 640 735 300 204 1610 11 2 11 2 1 2 1 2 1 2 420 SIC 12 5A 1520 648 905 457 189 1780 2 2 1 2 1 2 1...

Страница 10: ...1 11 2 2 Cooling Water Inlet 1 11 2 2 Water Tank Outlet 1 2 Water Tank Port 1 2 Protective Devices Compressor Overload relay pump Overload relay Cooling Water Circuit High and low pressure switch ant...

Страница 11: ...ter Inlet 2 21 2 21 2 Water Tank Outlet 1 Water Tank Port 1 2 1 Protective Devices Compressor Overload relay pump Overload relay Cooling Water Circuit High and low pressure switch anti freeze switch W...

Страница 12: ...the electrical control cabinet Warning Be careful Pay more attentions at the places where this sign is attached Attention Drain the water inside when power off at the cold day to avoid freezing Atten...

Страница 13: ...careless or man made installations operation and maintenances upon machines without referring to the Manual prior to machine using 2 Any incidents beyond human reasonable controls which include man m...

Страница 14: ...oid valve optional 7 Refrigerant indicator optional 8 Expansion valve 9 Evaporator 10 Anti freezing switch 11 Flow switch option 12 Water tank liquid sensor option 13 Temp sensor 14 Water tank 15 Floa...

Страница 15: ...alue The low temperature gas refrigerant from the evaporator returns to the compressor which circulates in this way Hot gas bypass function when the temperature of chilled water reaches the set temper...

Страница 16: ...device which can discharge the heat absorbed by the refrigerant in the evaporator and the heat converted by the compressor consumption to the cooling medium 2 Our company uses the air cooled condense...

Страница 17: ...d in front of the evaporator Picture 2 5 Thermal Expansion Valve 2 2 5 Evaporator 1 The evaporator is a device that outputs the refrigerant which absorbs the heat of the cooled object in the evaporato...

Страница 18: ...tlet air pressure is higher than 25bar or the compressor suction port is lower than 2bar Picture 2 7 High and Low Pressure Controller 2 2 7 Fluid Reservoir 1 It is used to store the liquid refrigerant...

Страница 19: ...to detect the water ratio of the system 2 3 2 Liquid Pipe Solenoid Valve Picture 2 10 Liquid Pipe Solenoid Valve Cut off the refrigerant supply circuit immediately after shutdown to prevent the evapor...

Страница 20: ...is adopted to avoid system damage caused by the cold water circulation failure of the water chiller 2 3 5 Liquid Level Indicator Picture 2 13 Liquid Level Indicator With the liquid level indicator it...

Страница 21: ...elay can resume working Picture 2 14 Thermal Overlaod Relay The description of thermal overlaod relay 1 Setting current adjusting scale 2 Reset button blue H Manual reset A Auto reset 3 Release indica...

Страница 22: ...urer s name plate 2 Connection cable and ground wire must abide by local rules and regulations 3 Use independent electrical wires and power switch and the diameter of electrical wire should not be sma...

Страница 23: ...cooling tower is harsh the cooling water and chilled water loop must be equipped with the filters and cleaned regularly 13 The circulating circuit of chilled water shall be covered with insulation la...

Страница 24: ...Cooling 3 Chilled water outlet 7 Cooling water pump 11 Cooling tank 4 Drain port 8 Cooling water circulation 12 Oil Cooling Picture 3 1 Machine Installation Location 3 3 Power Connection The SIC A ser...

Страница 25: ...ry to remove any unit or touch any terminal after the power is turned on Otherwise electric shock may be caused 2 Power anti phase alarm light When the power is connected to wrong phase sequence or th...

Страница 26: ...overheat switch the light will be on and the buzzer will give the alarm The system stops working Check whether the setting current of overheat relay is correct The current setting value of the overhe...

Страница 27: ...it detects the problems 8 Compressor switch The start stop of the compressor Note The pump must be turned on before compressor startup 9 Pump switch The start stop of the pump Note Pump rotating dire...

Страница 28: ...2 6 4 0 SIC 15W 2 3 3 7 2 8 4 5 2 6 3 9 2 6 3 9 SIC 20W 2 3 3 8 3 7 4 4 3 3 4 3 4 0 5 4 SIC 25W 2 3 3 7 3 7 4 3 3 3 3 5 4 0 4 2 SIC 30W 2 3 3 6 3 7 4 2 2 6 4 4 2 6 4 4 SIC 40W 2 3 3 1 3 7 3 9 2 6 3 8...

Страница 29: ...ooling water pump Check the water tank of the water chiller and don t start the machine when there s no water left in the water tank Otherwise the company will not be responsible for the machine damag...

Страница 30: ...uttons 1 Press it for 3 secs at least startup shutdown Press and hold it with the defrost button 3 to make the forced cooling work or stop 2 1 sec display set the value Last more then 3 secs Enter the...

Страница 31: ...sed 5 Unit 3 rd Control difference lag 1 Unit 4 C0 The compressor and fan start slowly after starup 2 Unit min 5 C1 Min interval time for compressor continuous startups 2 Unit min 6 C2 Min compressor...

Страница 32: ...rs will not be saved If the keyboard doesn t work for 30S it will automatically exit the parameter setting system 4 4 4 Code Meanings Table 4 3 Code Meanings Code Meanings Code Meanings Powered on sel...

Страница 33: ...g menu input password 22 Set the audible alarm to mute buzzer 3 Last 3 secs at least to make the defrosting work or stop Press and hold it with the compressor button 1 together to make the forced cool...

Страница 34: ...n 2 Unit min 13 AH High temp alarm threshold value deviation AH 0 alarm disabled 35 Unit AL Low temp alarm threshold value deviation AL 0 alarm disabled 5 Unit 14 Ad Temp alarm shutdown delay 0 Unit m...

Страница 35: ...volume D Clean the condenser E Clean the drying filter F Adjust the opening properly G Repair and replace H Repair and replace I Repair and replace J Protect the condenser from direct sunlight 5 Low h...

Страница 36: ...ctor Anti freezing switch trips A Low water temperature due to low amount of the ice water B The temperature switch is set too low or fault C Anti freezing switch is set improperly or fault A Repair t...

Страница 37: ...37 43 6 Repair and Maintenance...

Страница 38: ...don t start the machine forcibly before troubleshooting 3 Please check periodicaly to prolong the machine s service life and prevent the safety accident 4 The water used in the system must have water...

Страница 39: ...nge of the electronic scale and stop filling the refrigerant when it reaches the rated filling weight When the machine is powered on the display pressure of the high pressure gauge is about 13 15bar a...

Страница 40: ...r Attention Do the cleaning work every half year in the environment with little dust but you must do the work every month in the environment with a great deal of dusts and under the severe environment...

Страница 41: ...Attention Drain the water inside the evaporator and the condenser away when the machine stop running under 0 If the evaporator freezes drain the water in it before restarting Picture 6 3 Water Drainag...

Страница 42: ...upply 6 3 3 Daily Checking Check switch functions Check all the electrical wires Check whether pressure gauges are accurate Check whether compressor temperature is normal Check whether cooling water c...

Страница 43: ...7 Half yearly Checking Check and clean the condenser and evaporator Check and clean the filter and expansion valve Check system performance Clean condenser 6 3 8 Yearly Checking Check whether the cont...

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