3300V, 50Hz 6600V, 50Hz 380-400V, 50Hz 415V, 50Hz Note: Haier air-cooled screw (heat pump) chiller is module-structured. The chiller assembly is a flexible combination of the basic modules of 1 93KW, 247KW and 316KW. In the catalog, models of above 316KW are some typical module-combined products recommended by Haier.
HAIER CHILLER 2. Product character Haier air-cooled (heat pump) chiller is a comprehensive product developed by Haier. This product series adopt compressors, system parts and electrical components of well-known brands and they are characterized by compact structure, cutting-edge technology, reliable control, cost-effective operation and convenient installation.
HAIER CHILLER 2.5 Electric control Adopt the PCB to control the operation. The unit can realize remote operation and passive element starup/stop control The control of water temperature will act according to the water outlet temperature. The unit can realize compulsorily unit quantity control and compulsorily capacity control for the unit with several compressors.
HAIER CHILLER Part name 25%—50%—75% compressor capacity regulation solenoid valve, control the movement of capacity piston by oil pressure drop so that the compressor can adjust the capacity flexibly according to the actual capacity. Filter drier, used to remove moisture...
HAIER CHILLER Solenoid valve before 4- way valve, used to control the reverse of 4-way valve. 4-way valve, reverse when electrify is complete in heating mode Refrigerant spray hole, enter the middle of compressor and reduce the discharge temp.. Capacity regulation capillary...
HAIER CHILLER By-pass valve, when the compressor is run in part capacity, move the refrigerant from discharging side to suction side. Low pressure sensor, used to detect the compressor suction pressure and protect when the suction pressure is too low...
HAIER CHILLER Discharging temp. sensor, used to detect the compressor discharging temp. and prevent discharging temp. from too high. Liquid spray solenoid valve, used for compressor refrigerant spray protection, prevent the motor of compressor overheat and discharging temp. too high.
HAIER CHILLER Thermostatic expansion valve, used to throttle the refrigerant and decrease the pressure. Spherical valve, install at the each side of filter drier, which is used to close the system when maintain the filter drier.
HAIER CHILLER 5. Installation 5.1 Inspection & Acceptance When the chiller is shipped to the place of delivery in accordance with the contract, the client shall engage in inspection and acceptance. a. Check the completeness of documents shipped with the chiller;...
HAIER CHILLER a. Location The unit should be located on the place where you clean and maintain easily. The concerning data and the required space will be displayed in the exterior figure. Firstly, the air ventilation should be taken into consideration.
HAIER CHILLER The supporting points and foundation CI0247AANB CI0247AANC CI0193AANB CI0193AANC CI0316AANB CI0316AANC electric control box side electric control box side water inlet/outlet side water inlet/outlet side 1484.8 2434.8 1125 1125 3400 concret concret Note: 1.The above supporting points do not include the weight of water circuit...
So the water should be filtered and softened with chemicals before being supplied to chilling water system. It is necessary to analyze the PH value, conductivity, the concentration of chlorine ion and sulfuric ion.The following is the water quality standards adopted by Haier: Evaporator Water Quality Standard:...
HAIER CHILLER PH Value 6.5-8.0 Conductivity ≤200uv/cm(25°) Chlorine Ion ≤50ppm Sodium Ion ≤50ppm Total Ferrous Content ≤0.3ppm Alkaline Ion ≤50ppm Total Hardness ≤50ppm Sulfuric Ion None Ammonia Ion None Silicon ≤30ppm Sodium Ion Not Required Note: 1) Do not install the chiller indoor. or leave at least 1.5m between air vent and the ceiling if have to and equip the chiller with proper ventilation equipment so that the heat generated by the chiller during operation can quickly dissipate.
HAIER CHILLER 6. Unit startup and stop 6.1 Check before startup 6.1.1 Water circuit Confirm if the water circuit has leakage and if the water flow direction is correct. Open all the water valves. Start up the chilled water pump.
HAIER CHILLER Parameter Standard value Fluctuation range Condensing pressure 18kg/cm ±2kg/cm Evaporating pressure 4.2kg/cm ±0.5kg/cm Discharging temp. 80℃ ±10℃ Suction temp. 12℃ ±5℃ Liquid supply temp. 45℃ ±3℃ The above value is the basic value in the operation. 4. Parameters in the heating standard condition:...
HAIER CHILLER 7 Maintenance Must not make the maintenance in operation. 7.1 System maintenance To ensure the unit can operate normally with full load, and do not occur the failure, the below clauses should be checked on period. Check the humidity of the liquid sight glass on the liquid supply pipes. Confirm there is full of liquid and the humidity indicator is dry state.
HAIER CHILLER 8.discharging pressure drop among the Check high pressure gauge ≤0.1MPa running compressors 1.refrigerant volume Check liquid sight glass No air bubble in the Every liquid of the pipe season 2.lubracation oil volume Oil level In the permitted range Note: The additional oil volume cannot be over 10 liter.
HAIER CHILLER 8. General maintenance Checking the cycling water: discharge the water from the heat exchanger. If the water is dirty, the cooling efficiency will reduce, at the time, the water in the system should be changed. 8.1 Check of heat exchanger and pipes 8.1.1 Check of evaporator...
HAIER CHILLER charging valve of the condenser slowly, and observe how the liquid sight glass and the condensing pressure change. If there is refrigerant foam in the liquid sight glass, or the pressure and the admired pressure on the condition cannot be accordant, that shows the system is lack of refrigerant. As per the actual situation, perform No3, No4.
HAIER CHILLER 3.overheat protection disconnection 3.auto reset of overload protection. Before the overheat protection resumes normal, please eliminate the problem. 4.contactor or solenoid valve failure 4.modify or change 5.confirm the stop type and reason. Before 5.safety device acts, then the unit stops the safety function has resume, please eliminate the problem.
HAIER CHILLER power cable is loose check all the connection and tighten them condensing temperature too high lower the discharging pressure check the power voltage, do not start up abnormal power cable result in the the compressor until the trouble is...
HAIER CHILLER 9. Control device The core component adopts touching type screen; the surface is dialog type, easy to operate. The whole control device is highly automatic and highly reliable. 9.1 System diagram 1. air-liquid segregator 2. 4-way valve 3. safety valve 4.
HAIER CHILLER taken in by the compressor to start a new cycle. 9.2 Daily maintenance: In order to maintain the unit performance and life, please check the below items in daily maintenance: 1.Check if the high/low pressure switch data is in accordant with the requirement.
Take CI0386AANB as example: 1. Combination type: CI0386AANB=CI0193AANB+CI0193AANC , one is used as main control, the other one is used...
HAIER CHILLER 2) 386 PCB circuit: it is the input/output control of PCB mostly. auxiliary heating startup/stop switch cycling pump startup/stop switch failure alarm touch screen cycling water pump discharging pressure suction pressure discharging temperature fin temperature main control water outlet...
HAIER CHILLER ) 386 terminal connection diagram: it is the connection for external control mostly. compressor control Note: 1.Parts in dashed frame will be prepared by the customer. 2.Temperature sensor adopts the 3-core shielded wire RVVP3x0.5. 10.2 Slave control circuit...
HAIER CHILLER 11. Control system 11.1 Electric control function for chille r P CB 0 0 10 45 29 32 1. Cooling mode： Startup: After pressing ON button, the cycling pump works firstly, the 25% solenoid valve will start 1 minute(revisable) later, 10 seconds later the main and Y contactor of compressor start, 5 seconds(revisable) later, Y-△...
HAIER CHILLER 50%, at the same time by-pass valve is connected, some times later the compressor energy up to 75%, some times later the compressor energy up to 100%. When quit defrost, the compressor download to 50% firstly, 4-way valve reverse and close the by-pass valve, run in heating mode.
HAIER CHILLER Water inlet temp. Last for 5 seconds, chiller downloads Press “reset” after troubleshooting, sensor failure and stops, the water pump will not stop stop water pump later, press ”ON” to restart. Discharging temp. Last for 5 seconds, chiller downloads Press “reset”...
HAIER CHILLER P C B diagram DC24V- DC24V- DC24V+ DC24V+ DC24V+ DI COM power supply protection electronic protection COM0 oil pressure drop protection oil level protection Y contactor compressor overload main contactor 1# fan motor overload contactor 2# fan motor overload...
HAIER CHILLER 11.2 Tuch screen control system ●Control operation The hardcore of control equipment adopt TT-KT0150509-V3.0 of ATMEL-MEGA32, the operation interface adopt ST400 touch screen of Digital in Japan, the low pressure organ adopt LG electricity. The whole control system is stable and reliable.
HAIER CHILLER The 【local】button display the current control status, turn to 【remote】button after touching; Touch 【enter】button, change the current display to “main operation status” display. * Operation main display The current status can be seen in this display: cooling/heating of unit, start/stop of system, remote/local control mode and current water inlet/outlet temperature of system.
HAIER CHILLER Press 【System status】 button, turn to “chiller detail status”: Status 1 display the chiller current ambient state. Press “Next” to status 2, which is display the chiller current operation state. Press 【Failure】 button, turn to “chiller alarm info.” display, operate according to the display instructions.
HAIER CHILLER * User setting Press 【setting】 button, the display changed to “chiller operation setting”: Press 【A-heat OFF】 button, turn to “auxiliary heater ON” display. Press 【Timer setting】 button, the figure changed to “timer setting”: * Unit startup/stop Press 【ON】or【OFF】 button, the middle of screen will appear “confirm” figure as the following:...
HAIER CHILLER Press 【Select mode】 button, turn to “unit operation select”; Press 【startup】 button, the middle of screen will appear “confirm” figure， press and then the chiller will startup. Press 【cooling】 button, the button will changed to black and turn to “cooling mode”;...
HAIER CHILLER a. When the control equipment have been electrified over 5 minutes and the cooling water outlet temperature is more than (setting value+2℃)【the setting value is usually 7℃】, the chiller will enter startup. △ Note: The unit is started up by Y- type, and the conversion time is 5 second.
HAIER CHILLER 188.8.131.52 Piping system failure ① Cycling water cut-off: when the cycling water stop flow or the flow volume is too low, the target flow controller in this cycling pipe will activate and control the system alarm, units will stop respectively.
HAIER CHILLER a. Check the exterior wiring connection of chiller and the install situation of sensor according to the electrical control principle diagram. b. Tighten the screws of each electrical organ in control cabinet, tighten connect port of compressor wiring connect box.
HAIER CHILLER Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com...