Johnson Controls YEWS Series Installation, Operation And Maintanance Instructions Download

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Supersedes:

AP1105

-IOM01(0316)

YEWS Water Cooled Screw Chiller

(Water Source Heat Pump)

Installation, Operation and
Maintenance

Form No:AP1105-IOM01(1216) EN

YEWS High Efficiency Chiller With Single Compressor

STYLE E

Warning

The System is charged with refrigerant with a certain pressure

Improper operation during maintenance may cause serious damage to the system. All
maintenance shall be done by

York

authorized technician, following the guide in York

installation, operation and maintenance manual.

Summary of Contents for YEWS Series

Page 1: ...216 EN YEWS High Efficiency Chiller With Single Compressor STYLE E Warning The System is charged with refrigerant with a certain pressure Improper operation during maintenance may cause serious damage...

Page 2: ...idual shall have read and understood this document and any referenced materials This individual shall also be familiar with and comply with all applicable governmental standards and regulations pertai...

Page 3: ...0 KEYBOARD CONTROL 2 11OPTIONS 2 12 FUNCTIONAL DESCRIPTION 3 TRANSPRORTATION HANDLING AND STORAGE 3 1 DELIVERY AND STORAGE 3 2 INSPECTION 3 3 RIGGING 4 INSTALLATION 4 1 GENERAL DESCRIPTION 4 2 LOCATIO...

Page 4: ...FAULT INQUIRY 5 5 GENERAL PARAMETERS SETTING AND DEFULT VALUES 5 6 FAULT IMFORMATION 5 7 MODBUS PROTOCOL 6 COMMISSIONING 6 1 PREPARATION 6 2 FIRST TIME START UP 7 OPERATION 7 1 GENERAL DESCRIPTION 7 2...

Page 5: ...UST THE FLOW SWITCH SETTINGS ATTACHED DRAWINGS 1 YEWS electrical drawing compressor for 50Hz power ATTACHED DRAWINGS 2 YEWS electrical drawing main board YEWS100H 130H 170H 200H 210H for 50Hz power AT...

Page 6: ...ported by evidence that the failure has occurred within the warranty period and that the unit has been operated within the designed parameters specified All warranty claims must specify the unit model...

Page 7: ...ort Structural support of the unit must be provided as indicated in these instructions Failure to provide proper support may result in injury to the operator or damage to the equipment and or building...

Page 8: ...pressure relief device s Detergents and solvents which may cause corrosion should also be avoided 1 7 Emergency Shutdown In case of emergency the control panel is fitted with an emergency stop switch...

Page 9: ...mooth flow of vapor is maintained 2 PRODUCT DESCRIPTION The rotors are housed in a cast iron compressor housing precision machined to minimize the void between the housing and the rotors Contact betwe...

Page 10: ...has a compressor oil separator evaporator condenser and a liquid line Liquid line components include a manual shut off valve throttle device liquid injection piping just for HP and ITS 2 5 Condenser...

Page 11: ...ction to ensure that the motor is free from the damages due to excessive voltage and other overcurrent problems After the Star Delta starter started for more than 10 seconds the microprocessor will sh...

Page 12: ...the standard RS485 connection Flow Switch The gate type water flow switch has 10 3 bar DWP which is applicable to chilled water and cooling water lines 25mm Spring Isolators Level adjustable spring an...

Page 13: ...Chiller Heat Pump YEWS E SYSTEM FLOW CHART 1 for YEWS100H 130H 170H 200H 210H High pressure refrigerant line Low pressure refrigerant line Oil line Condenser with internal oil separator Compressor Oi...

Page 14: ...S100P 130P 170P 200P 215P YEWS E Water Cooling Screw Chiller Heat Pump Condenser with internal oil separator Compressor Oil Eductor Orifice Evaporator Oil Filter High pressure refrigerant line Low pre...

Page 15: ...If the unit is stored longer than six months the relative requirements for Long Term Storage 50 20 NM9 50 20 CL9 50 20 NM1 must be followed 3 2 INSPECTION The unit shipment should be checked on arriv...

Page 16: ...Screw Chiller Heat Pump RIGGING INSTRUCTION For liftin unit use spreader bar with 4 separate slings length of lifting elements must be adequate to clear all projections the strength of liting element...

Page 17: ...upporting the total unit operating weight in this application the spring isolator is prefered A level floor mounting pad or foundation must be pro vided by others capable of supporting the operating w...

Page 18: ...ort holes Then lower down the unit on the adjusting screws See the following Fig The leveling bolts should now be rotated one 1 turn at a time in sequence until the unit end sheets are clear of the fl...

Page 19: ...ounted on the waterside of the evaporator and condenser respectively preferably of 40 meshes fitted as close as possible to the liquid inlet conn ection and provided with a local water cut off switch...

Page 20: ...Please refer to Section 10 for connection sizes of each model The piping connections of evaporator and condenser are HG20615 welded flanges 4 8 Refrigerant Relief Valve Piping The evaporator and cond...

Page 21: ...trical noise could cause malfunctions or damage the unit and its controls Since some internal components are live when main power is switched on the unit should not be switched on to the main power un...

Page 22: ...ge value 10 All electrical wiring should be carried out in accordance with local regulations In accordance with China National Standard it is the responsibility of the user to install current overload...

Page 23: ...ly otherwise it may fall down to cause body injury or damage on controller It is required to adopt the specified cable for power supply Please do not share the power with other electric appliance to a...

Page 24: ...EAR FAULT RECORD to set all parameters as YES by pressing 8 and press to confirm Move the cursor on the line of DEFAULT DATA to set the parameters as YES press confirmation key to confirm Turn to the...

Page 25: ...unit will start up when pressing this key The fault happened can be inquired upon pressing this key Function 1 Press this key to cancel the input value for the parameter modified before pressing the...

Page 26: ...r will be reset Note ISP 10 24V 0V A0 B0 A1 B1 0V Wiring diagram of HMI Instruction A0 B0 Communication interface of HMI and mainbord A1 B1 Communication interface of HMI and upward computer 0 24V Pwe...

Page 27: ...e jointed together 12 DI switch inputs in all PG motor speed adjustment VCC of all 6 circuit is connected Ground end of AI13 to AI16 All connected together 4 20ma 1 5V or NTC signal input Ordinary NTC...

Page 28: ...ty and analog signal input Instruction COM Common port of DI switch input DI1 DI12 DI switch input 12V B A COM DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 DI9 DI10 DI11 DI12 COMU COM A B Communication interface 1...

Page 29: ...ice storage Open means air conditioning Close means heat pump Normal in close disconnecting means fault Normal in close disconnecting means fault Normal in close disconnecting means fault Normal in c...

Page 30: ...25 0 25 0 100 0 RETU NEXT 18 0 C 18 0 C 18 0 C 18 0 C EEL Entering evaporator liquid temperature MODE Current operation mode of the unit ON OFF Display the startup and stop status which should be disp...

Page 31: ...utes to load MINIMUM LOAD Current of compressor motor is below minimum load setting compressor executes to load SAT EVAP T Saturation temperature of the refrigerant in Evaporator SAT DIS T Saturation...

Page 32: ...MP 18 0 Amp HMI VER RMSYEWSD100 V1 01 RETU BACK RMSYEWSD100 V1 01 0HOUR 0HOUR 0 I O VER RUN TIME COMP ON OFF CNT COMP RUN TIME 01 POWER SUPPLY Power supply of unit COMP MODEL Model of compressor in th...

Page 33: ...main interface Press F4 to enter into the password modifying interface Parameter Setting Interface 1 b Input the operator password 9675 in the parameter setting interface 1 a and press the key to conf...

Page 34: ...displayed as The numbers of Parameters which can be set is decided by the acess level of input password The parameters setting interface can also be entered into by pressing F1 without inputting the...

Page 35: ...ext parameter setting interface SYS1 RUN CTRL AUTO SYS2 RUN CTRL AUTO SYS1 CUR OFFSET 100 SYS2 CUR OFFSET 100 SYS1 BYPASS CTRL MANUAL BYPASS1 ON BYPASS2 ON SYS2 BYPASS CTRL MANUAL BYPASS1 ON BYPASS2 O...

Page 36: ...efault 165kPa CR BUFFER 1 0 2 5 Default 2 5 LOW LELT 1 0 7 0 Default 2 0 Parameter setting instructions LEL TEMP SET Set the desired leaving evaporator fluid temperature the default is 7 0 LEL TEMP CR...

Page 37: ...re Ts D and Ts D the comrepssor will operate fuzzy control logic when leaving chilled water temperature Ts D Db and Ts D the comrepssor will unload When leaving chilled water temperature Ts D Db the c...

Page 38: ...ll turn back to normal capacity control logic HIGH D P SHUTDOWN If the discharge pressure HIGH D P SHUTDOWN setpont Default value is 1090 kPa under AC ITS mode and 1790kPa under HP mode the compressor...

Page 39: ...Default 165kPa CR BUFFER 1 0 2 5 Default 2 5 10 Parameter Setting Interface 10 Press F1 to return to the parameter setting interface 3 Press F3 to return to the previous setting interface Press F4 to...

Page 40: ...g interface Press F4 to enter into the next parameter setting interface HOL START2 HOL STOP2 HOL START3 HOL STOP3 START PRIOITY AUTO USE ONE SYSTEM DUAL OIL PREHEAT NO BACK NEXT RETU 00 00 00 00 00 00...

Page 41: ...e completed by the operation panel if set as REMOTE the startup and stop will be realized by DI YEWS E Water Cooling Screw Chiller Heat Pump priority system to start if the start priority is set to Sy...

Page 42: ...setpoint of run time limit protection Once accumulating time reaching or exceeding to run time limit the unit will be automatically shut down then the RUN TIME LIMIT will be flash displayed in displa...

Page 43: ...return to the previous setting interface DIGITAL OUTPUT TEST Only in factory DO1 DO2 DO3 DO4 ON ON OFF DO5 DO6 DO7 DO8 DO9 DO10 DO15 DO16 ON ON ON ON ON ON RETU YES BACK ON ON ON ON ON ON 01 On the cu...

Page 44: ...9 means the orders of faults happened in the different time the bigger numer means the earlier the faults happened Press F4 on the main interface of HMI the alarming information can be displayed which...

Page 45: ...AD UNLOAD 50 150 50 150 YES SYS1 SYS2 YES NO SYS1 SYS2 YES Service password Service password Service password User password Ex factory password Service password Service password User password User pas...

Page 46: ...ers setting and defult values AC mode 3 Assignable parameters setting and defult values ITS mode Items LEL TEMP SET LEL TEMP CE LOW LELT CR BUFFER HIGH LCLT LEP UNLOAD LEP SHUT DOWN HOLD LOAD D P UNLO...

Page 47: ...vice password 4 Assignable parameters setting and defult values HP mode YEWS E Water Cooling Screw Chiller Heat Pump Items LCL TEMP SET CR BUFFER LCL TEMP CE LOW LELT HIGH LCLT LEP UNLOAD LEP SHUT DOW...

Page 48: ...EXT INTERLOCK OPEN SYS1 Y TRANSITION FAULT SYS1 AI1 SENSOR FAULT SYS1 AI2 SENSOR FAULT SYS1 AI3 SENSOR FAULT SYS1 AI4 SENSOR FAULT SYS1 AI5 SENSOR FAULT SYS1 AI13 SENSOR FAULT Communication disconnect...

Page 49: ...ge pressure Oil pressure Motor current DI fault AI fault RUN fault Water pump operation time Compressor operation time Word length word word word word word word word word word word word word word word...

Page 50: ...Cooling Liquid Temperature Sensor Failure Leaving Chilled Liquid Temperature Sensor Failure Entering Chilled Liquid Temperature Sensor Failure Discharge Temperature Sensor Failure Leaving Hot Liquid T...

Page 51: ...bit1 bit2 bit3 bit4 bit5 bit6 bit7 bit8 bit9 bit10 bit11 bit12 bit13 bit14 bit15 Fault High discharge pressure cut out Low Evaporating Pressure Cutout High Discharge Temperature Cutout High Compresso...

Page 52: ...open 1 close 5 Definition of digital output in ModBus protocol Bit bit0 bit1 bit2 bit3 bit4 bit5 bit6 bit7 bit8 Bit14 bit15 Digital output CHILLED LIQUID PUMP COMPRESSOR WYE CONTACTOR COMPRESSOR DELTA...

Page 53: ...according to the figure above These paratmeters must be input in parameter setting interface 10 as follows MODBUS ADDRESS 001 CLEAR RECORD YES CLEAR FAULT RECORD YES DEFAULT DATA YES BATTERY BACKUP Y...

Page 54: ...materials if it is found Power Connections Check that the customer power cables are connected correctly to the circuit breaker Ensure that connections of power cables within the panels to the circuit...

Page 55: ...ith the cust omer s order requirements by pressing relevant Keys on the keypad Refer to instructions on the operation of control System on section 5 Programmed Settings Make sure all the setpoints are...

Page 56: ...o push the Emergency Switch immediately if any unusual noises or other adverse conditions appeared during the compressor starting Refer to instructions on the operation of control System on section 5...

Page 57: ...at case the compressor will restart autom atically when the liquid temperature rise again Once the compressor is running the evaporated refrigerant vapor is pumped into the water cooled condenser whic...

Page 58: ...le amount Ensure the discharge superheat temperature in the range of 6 10 in rating conditions Fault treatment If the unit stop for fault the operator should handle the fault in time if it can not be...

Page 59: ...and method is a good guide for user Daily 1 Inspect the displayed content of the display screen 2 If the compressor is in running status the bearing oil pressure is required to be inspected 3 Inspect...

Page 60: ...the water drainage valve b Inspect and clean the pipes according to the requirements 3 Inspect and maintain the electrical parts according to the requirements 4 Perform the chemical analysis to the s...

Page 61: ...o the control center operation instructions for explanation of messages and the Trouble shooting section for courses of action Refrigerant charging and leaks checking Refrigerant leaks checking Period...

Page 62: ...he YORK YEWS E Chiller Compressors use rolling element bearings ball and roller bearings no sleeve bearings are used Oil analysis that include metals may cause confusion when the results are compared...

Page 63: ...ation and service manual For YEWS100P 130P 170P 200P 215P a replaceable oil filter is equipped in the external oil supply line as below picture Please make sure all the valves are in open status after...

Page 64: ...ove the scale and dirt Consult with the local YORK Field Service Office for a recommendation of the method s used in the local area Chemical Cleaning Procedure Chemical cleaning is an effective method...

Page 65: ...arefully pressure test and evacuated at factory WARNING After system is operated under load the high pressure components should be carefully leak test with a leak detector to be sure all joins are tig...

Page 66: ...Close the system charging valve and stop valve bet ween the vacuum indicator and the vacuum pump then disconnected the vacuum pump leaving the vacuum ind icator in place 6 Hold the vacuum obtained in...

Page 67: ...sightglass but the oil level switch is open No oil superheat in the oil sink Notable temperature difference observed before and after the oil filter Motor current greater than normal after the chille...

Page 68: ...kPa Abnormal oil or discharge pressure observed in the panel High condenser water temperature Temperature difference between liquid refrigerant temperature and water off condenser higher than normal...

Page 69: ...tance K Temperature Resistance K 0 166 75 33 35 272 3 142 9 36 31 076 6 122 81 39 27 44 9 105 83 42 24 283 12 91 443 45 21 535 15 79 219 48 19 137 18 68 804 51 17 042 21 59 908 54 15 206 24 52 291 57...

Page 70: ...Model EVAP 100 125 125 150 150 Connection Flange mm Unit Size mm COND 100 100 125 150 150 Length 2595 3030 3055 3080 4215 Width 1280 1280 1350 1430 1620 Height 1820 1865 1865 1885 2085 YEWS E Water Co...

Page 71: ...er Cooling Screw Chiller Heat Pump 100 120 130 150 220 YEWS100 YEWS130 YEWS170 YEWS200 210 YEWS215 Unit Capacity Control 100 Water Volume per Evaporator L Water volume per condenser L Operating Weight...

Page 72: ...er HP mode Starting range under HP2 mode Extra starting range after equipped with three way valve to maintain the required condenser pressure Unit operating range Operating range based on 5 water temp...

Page 73: ...Layout Spring Isolator Layout Model YEWS100 YEWS130 YEWS170 YEWS200 YEWS215 A mm 1822 2427 2427 2427 3494 B mm 1280 1280 1350 1430 1620 C mm 2332 2937 2937 2937 4004 D mm 1368 1368 1438 1518 1708 YEWS...

Page 74: ...0 1820 500 483 135 145 320 320 D1 D2 mm 3030 3055 3080 4215 1280 1350 1430 1620 1865 1865 1885 2035 500 540 545 605 483 483 508 545 135 155 165 180 145 145 165 180 320 345 370 405 320 330 345 405 YEWS...

Page 75: ...ion to ensure the correct parts are supplied Full unit model number serial number application and details of the parts required All requests for parts should he made to your local York Sales and Servi...

Page 76: ...oil should be mopped up and similarly disposed of Isolate the unit heat exchangers from the external water systems and drain the heat exchanger section of the systems If no isolation valves are instal...

Page 77: ...The HF68 flow switch MUST be installed in a linear pipe 13 INSTALLATION INSTRUCTIONS FOR THE HF68 FLOW SWITCHES at both sides of which there MUST be a linear length with at least five times of the pip...

Page 78: ...n lever for a few times to ensure the flow switch setting is no less than the EXW setting If there is no click sound when the lever is Enteringed turn the adjusting screw clockwise until click sound a...

Page 79: ...YEWS electrical drawing compressor for 50Hz power 74...

Page 80: ...YEWS electrical drawing main board YEWS100H 130H 170H 200H 210H for 50Hz power 75...

Page 81: ...YEWSelectrical drawing main board YEWS215P for 50Hz power 76...

Page 82: ...77 YEWS electrical drawing Main Board YEWS100P 130P 170P 200P for 50Hz power...

Page 83: ...YEWS electrical drawing compressor for 60Hz power 78...

Page 84: ...YEWS electrical drawing main board YEWS100H 130H 170H 200H for 60Hz power 79...

Page 85: ...YEWS electrical drawing main board YEWS215P for 60Hz power 80...

Page 86: ...YEWS field connection for 60Hz power 81...

Page 87: ...Transformer for230V 3P 60Hz Application 82...

Page 88: ...Form No AP1105 IOM01 1216 EN Supersedes AP1105 IOM01 0316 EN...

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Johnson Controls YEWS Series, Installation, Operation And Maintanance Instructions

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