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YCWE Modular   

Water-Cooled Chiller 

Installation, Operation and 

Maintenance Manual   

FORM NO.: 6U6W-A01C-NB-EN 

 

 

YCWE Modular   

Water-Cooled Chiller   

21RT-47RT 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

R410A Refrigerant

Cooke Industries - Phone: +64 9 579 2185    Email: [email protected]    Web: www.cookeindustries.co.nz

Содержание 21RT-47RT

Страница 1: ...Installation Operation and Maintenance Manual FORM NO 6U6W A01C NB EN YCWE Modular Water Cooled Chiller 21RT 47RT R410A Refrigerant Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co...

Страница 2: ...21 3 3 Recommendation for the power cable of the unit 25 3 4 Installation and wiring of the unit 25 3 5 Installation of wire controller 26 3 6 Unit electrical schematic diagram 29 Part 4 Operation in...

Страница 3: ...Contents Part 7 Description for Modbus protocol interface 77 7 1 Device connection 77 7 2 Modbus Protocol 77 Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co nz Web www cookeindustr...

Страница 4: ...hen claim according to the instructions of the notice In case of damage of any parts other than the surface please inform the maintenance personnel of the local York Company immediately Storage If the...

Страница 5: ...unit can be installed indoors or outdoors for the outdoor installation only the unit with shell is applicable Each module includes the scroll compressor condenser evaporator expansion valve and microc...

Страница 6: ...Dimension Height mm 1330 1330 1330 Length mm 1480 1480 1480 Width mm 775 775 775 Weight Transport Weight kg 380 540 690 Operating Weight kg 430 620 770 Outline Dimension With Shell Height mm 1560 1560...

Страница 7: ...Introduction of Unit 4 1 3 Outline Dimensions of the Unit YCWE021XSME50 YCWE021XSME50 A Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co nz Web www cookeindustries co nz...

Страница 8: ...Introduction of Unit 5 YCWE032XSME50 YCWE042XSME50 Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co nz Web www cookeindustries co nz...

Страница 9: ...picture is the schematic diagram and the internal structure shall be subject to the real object Connection mode of water inlet outlet pipe is the clamp connection Cooke Industries Phone 64 9 579 2185...

Страница 10: ...20 C 55 C Heat source side water inflow 10 C 30 C Operation of Heat Recovery Using side water inflow 10 C 30 C Using side water outflow 5 C 24 C Returning hot water 30 C 50 C Note Returning water temp...

Страница 11: ...the Chapter of Water Treatment 1 5 Water Pressure Drop Curve for the Unit Water Pressure Drop Curve for Condenser Shell tube Type Heat Exchanger Water Pressure Drop kPa Flow Rate m3 h Water Pressure D...

Страница 12: ...to the unit resulting from the sling The hoisting hook and the unit must be matched and fastened and the damage to the unit resulting from the sling should be avoided Ensure that the hoisting equipme...

Страница 13: ...l not be the highest point of the building and if so it is necessary to install the lightning protection device at the place higher than the unit Adequate space shall be left around and above the unit...

Страница 14: ...install the damped type spring shock absorber between the foundation and the outdoor unit base especially for place whose unit adopts the rack stent installation and the roof installation The vibrati...

Страница 15: ...be guaranteed after the shock absorber is installed the inclination angle shall not be greater than 10 2 5 Remove Compressor s Transport Fixed Parts On account of that the connection between the para...

Страница 16: ...t control with one controller The units within one communication network must be equipped with a unique mixed water outlet pipe section and the mixed backwater pipe section and they shall be used for...

Страница 17: ...points shall be provided with automatic exhaust valves to exhaust the air from the pipeline For completely closed water system without open expansion tank the automatic water supply valve can automati...

Страница 18: ...visible sundries conduct trial operation circularly for more than 2 hours After the water quality is normal the water can be connected to the refrigerating unit and air conditioning equipment If the q...

Страница 19: ...ed water flow switch Total 1 piece It shall be installed on the outlet pipe of each module s evaporator See Article 2 9 for the installation mode 4 Module s chilled water filter 1 piece per module It...

Страница 20: ...racting with cold caused by the change of the water temperature for purpose of preventing the water system s frost crack and the phenomenon that the pressure of water pump s suction inlet is not stabl...

Страница 21: ...iple modules Connect the total water flow switch signals of the system s evaporator and condenser to the main machine s 1 module main boards DI12 and DI13 Connect the water flow switch signals of each...

Страница 22: ...perature C 65 Oxygen content ppm 0 1 Total hardness dH 4 8 8 5 Caution Users shall regularly check the water quality before installation and during operation of the unit Please ensure that the water q...

Страница 23: ...the high temperature casing of the compressor etc so as to avoid damage to the lead Caution The wire controller must be installed firmly Otherwise it may cause body injury or damage to the controller...

Страница 24: ...cannot be more than 8 units Wiring of the 7 inch touch screen controller option The whole system can be combined of 1 8 units and the 7 inch touch screen s control quantity cannot be more than 8 units...

Страница 25: ...r pump System evaporator three way valve System condenser three way valve Cooling tower fan and water pump Auxiliary electric heater Unit alarm System chilled water returning temperature System chille...

Страница 26: ...le the water valve on the 2 module water pipe must be connected to the 2 module machine Water flow switch for module s evaporator and condenser Caution It must correspond to the module for example the...

Страница 27: ...7 8 shall be reserved Note When the main board is energized the dialing switch is prohibited to be set The wire controller and the 7 inch touch screen shall be used as the controller and only 8 modul...

Страница 28: ...and wiring of the unit 3 4 1 Power distribution diagram of system Caution The circuit breaker shall be provided by the user The whole system is composed of 1 8 modules 3 4 2 See the diagram of electri...

Страница 29: ...Storage environment 30 C 70 C 3 Vibration environment 10Hz f 57Hz 0 15mm 57Hz f 200 Hz 20m s2 10 times for 1 octave per minute 3 5 2 Split for front panel Caution As printed circuit board is on the f...

Страница 30: ...ables between host and wire controller should be 85 net type shielded wire of four core which length is within 15m 3 5 4 2 Wire controller s power supply and communication port Note 1 A buzzer is arra...

Страница 31: ...ic electricity when it is powered on Be sure to slowly remove the screen protective film so as not to damage the display screen During installation do not touch the printed circuit board with your han...

Страница 32: ...Electrical connection 29 3 6 Unit electrical schematic diagram Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co nz Web www cookeindustries co nz...

Страница 33: ...Electrical connection 30 Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co nz Web www cookeindustries co nz...

Страница 34: ...Electrical connection 31 Cooke Industries Phone 64 9 579 2185 Email sales cookeindustries co nz Web www cookeindustries co nz...

Страница 35: ...d the display part compose the entire screen therefore they are indivisible 3 The LCD screen display area can be divided into time indication area temperature indication area special mode indication a...

Страница 36: ...e At the daily display state press and hold for 5 seconds to enter the parameter setting state for the system level firstly enter the setting item 01 which is the item of restoring the default value a...

Страница 37: ...display the serial No of the fault For the daily display interface when there is no fault it will show the loading rate for example if it displays 50 it indicates that the loading rate is 50 if it dis...

Страница 38: ...code is in flashing display state press or do not operate it for 1 minute and returned to the daily display interface but will flash until the fault is eliminated 4 In daily display state long press f...

Страница 39: ...us of the unit is off if you short press this key it will turn on the unit The precondition for the execution of the key is that the backlight is on If the backlight is off the first keypress can only...

Страница 40: ...e maximum limit value 4 Short press the key to decrease 1 degree of the temperature and the minimum value shall not exceed the minimum limit value 5 Short press the key to switch between AC WATER targ...

Страница 41: ...ong press to automatically increase or decrease 5 every second The initial value and adjustment range of each parameter are as follows Time or date Initial value Adjustment range Hour Current value 0...

Страница 42: ...llows Timing ON Settings Timing OFF Settings Timing Mode Settings Weekly Settings for Air Conditioning Timing Timed ON Settings When the timing setting is on and the SET icon will display in the clock...

Страница 43: ...will flash which indicates that you can make operation on Monday From Tuesday to Sunday the original set value will be displayed Press to activate from Monday to Sunday and then to the Monday for cycl...

Страница 44: ...the current operation is the parameter setting interface The temperature display area displays the parameter instruction word and the hour area flashes to display the set parameter value When switchi...

Страница 45: ...lled backwater sensor Un settable C 12 Compensation for system s chilled outflow water sensor Un settable C 13 Compensation for system s cooling backwater sensor Un settable C 14 Compensation for syst...

Страница 46: ...5 EXV refrigeration minimum steps Un settable 36 EXV heating heat recovery minimum steps Un settable 37 Delay for oil heating power on warm up 0 600 Minute 38 Superheat degree for refrigeration target...

Страница 47: ...ber display area will display the module number by tens digits and the single digit will display the fault number 0 9 A 10 b 11 c 12 d 13 E 14 F 15 If there is no fault record Code number display area...

Страница 48: ...formation table for fault Fault information displayed by the wire controller Fault code Fault name Fault code AI1 1A AI2 2A AI3 3A AI4 4A AI5 5A AI6 6A AI7 7A AI8 8A AI9 9A AI10 10A AI11 11A AI12 12A...

Страница 49: ...ration time limit protection 6F System s cooling water outlet temperature is too high 7F System s chilled water outlet temperature is too low 8F System s cooling water outlet temperature is too low 9F...

Страница 50: ...of unit operation status inquiry display The code number display area displays the module number The temperature display area displays the parameter status word The hour minute display area displays...

Страница 51: ...ay status Note During the operation pressing other irrelevant keys shall be invalid 4 9 4 Function of fault reset Function keys In daily display state long press for 5 seconds to reset the fault manua...

Страница 52: ...erface will disappear 4 9 6 Water pump s cycle function Function key Operation steps a Entry condition Under daily display state long press for more than 5 seconds to start water pump s cycle mode b D...

Страница 53: ...key In order to allow the user to see as much data as possible on the display screen the programmer has designed a multi interface way to describe the operation condition of the unit The function key...

Страница 54: ...tus System s chilled outlet water temperature Display unit s chilled outlet water sensor temperature unit C Operating mode Display unit s operating mode The modes include refrigeration heating and wat...

Страница 55: ...wer supply at the start the system s default access level shall be the observer and the user of this level can turn over the data for display only which is on monitoring page but the user cannot chang...

Страница 56: ...as shown in Figure 4 below If 5 times of incorrect password is input continuously the input ofpassword will be prohibited within 15 minutes as shown in Figure 5 below Figure 4 Prompt dialog box of in...

Страница 57: ...A Software name of module board A Chilled backwater temperature of AI1 module Chilled outflow water temperature of AI2 module Cooling backwater temperature of AI3 module Cooling outflow water temperat...

Страница 58: ...ompressor overload DO17 auxiliary electric heating DO1 1 1 compressor DO2 1 2 compressor DO3 2 1compressor DO4 2 2 compressor DO5 system s chilled water pump DO6 system s cooling water pump DO7 Alarm...

Страница 59: ...ault of module 1 the module number will display 1 and the rest can be done in the same manner The list of all fault information shall be shown in the Chapter of the fault information Click the corresp...

Страница 60: ...fault to unit s main module through communication Figure 9 Fault interface under operator level When entering the maintenance level there will appear the buttons of clearing the fault and clearing th...

Страница 61: ...e setting Operator Language setting Operator Date and time setting Operator Safety Operator Software upgrade Maintenance Brand Settings Maintenance The display content under observer level are shown i...

Страница 62: ...interface Date and time settings It is used to set the YTD time zone hour and minute displayed on human machine interface After clicking the key it will display the following interface Figure 13 Date...

Страница 63: ...operator level Figure 16 Security setting interface Software upgrade This setting is used to upgrade the human machine interface controller software Before using this function the USB flash disk stor...

Страница 64: ...saline water s work condition Maintenance Temperature control period Maintenance Action return difference of chilled water Operator Action return difference of cooling water Operator Action return di...

Страница 65: ...figuration for hot gas bypass valve Maintenance EXV adjustment cycle Maintenance EXV hold time Maintenance Operating time for waterway three way valve Maintenance Figure 18 System s configuration inte...

Страница 66: ...the examples as shown in Figure 20 Click the item named Restore the Default Value and the dialog box will pop up after you click it Figure 20 Configuration interface Digital filling type The configur...

Страница 67: ...ngs The schedule setting refers to set ON OFF time within selected date that is from Monday to Sunday It shall be 8 kinds of date in total by adding the holiday For each date it allows you to set up t...

Страница 68: ...e holiday setting page as shown in the following figure Figure 24 Holiday setting page The year and month of the calendar can be changed backwards and forwards by the left and right markers on the yea...

Страница 69: ...to directly perform hardware function diagnosis and control for the unit s control board and the configurable parameters of this interface are as follows Diagnosis EXV mandatory action module EXV sel...

Страница 70: ...too low System s cooling water outlet temperature is too low High heating environment temperature Module 1 Fault Module 2 Fault Module 3 Fault Module 4 Fault Module 5 Fault Module 6 Fault Module 7 Fa...

Страница 71: ...mperature is too high 1 excessive low suction pressure 1 excessive low exhaust pressure 1 excessive high exhaust pressure 2 excessive low suction pressure 2 excessive low exhaust pressure 2 excessive...

Страница 72: ...connected to the earthed power supply A RS485 communication interface is connected with unit s control board for communication A1 is connected with A of unit control board 485 interface and B1 is conn...

Страница 73: ...set another one Operate the unit according to the Description of operation in Chapter 4 and Chapter 5 of this manual Check the following items after the unit s operation is stable in the first time A...

Страница 74: ...frozen and damaged If the unit still needs to be operated when the ambient temperature is low please energize the unit and ensure the control for the system s water pump and the unit s interlock in o...

Страница 75: ...the chilled outflow water temperature for 3s there will be fault alarm When module s chilled outflow water temperature 6 C of the low setpoint of the chilled outflow water temperature the fault will b...

Страница 76: ...three times within 1 hour the circuit will be locked 103 2 excessive low exhaust pressure After the circuit operation if any compressor is turned on for 300s if the suction pressure is 650KPa and if...

Страница 77: ...lly If it occurs for three times within 1 hour the circuit will be locked 114 Low exhaust superheat 1_2 After the compressor is started for 60s the corresponding exhaust superheat degree is lower than...

Страница 78: ...t breaker fuse status and power supply wiring 2 Contact professional service center 3 Contact professional service center B compressor stopped working without obvious reasons 1 Electronic control syst...

Страница 79: ...ow water of the heat exchanger is not correct 3 There is fault in electronic control system 1 Check the temperature setting on the control panel 2 Check water flow and water injection condition of wat...

Страница 80: ...0mm2 shielded twisted pair 7 1 2 Connection Mode Schematic Diagram of Connection Mode 7 2 Modbus Protocol Basic Description of the Protocol 1 MODBUS RTU Protocol CRC Check 2 9600bps 1 Bit Start Bit 1...

Страница 81: ...Action return difference of chilled water 3 6 16 13 C 10 Setting Range Shall Be the Same as Unit s Set Value Action return difference of cooling water 3 6 17 14 C 10 Setting Range Shall Be the Same a...

Страница 82: ...Number of Modules 3 117 Reserve 3 118 999 Information Within Module Unit Status Software version of module board A 3 1000 Software name of module board A 1001 1009 Module Main Board B Software Versio...

Страница 83: ...Fault Word 1 3 1066 Defective Word Within Module 128 bit Fault Word 2 3 1067 Fault Word 3 3 1068 Fault Word 4 3 1069 Fault Word 5 3 1070 Fault Word 6 3 1071 Fault Word 7 3 1072 Fault Word 8 3 1073 Co...

Страница 84: ...tch fault 11d 14 Bit13 compressor 2 1 overload 14d 15 Bit14 compressor 2 2 overload 15d 1 Fault Word 5 Bit0 Communication Fault 1E 1 Fault Word 6 Bit0 Fault of the communication with the HMI 1F 2 Bit1...

Страница 85: ...1 Fault Word 8 Bit0 Low discharge superheat 1_1 1q 2 Bit1 Low discharge superheat 1_2 2q 3 Bit2 Low discharge superheat 2_1 3q 4 Bit3 Low discharge superheat 2_2 4q 5 Bit4 The cooling water outlet te...

Страница 86: ...c and harmful substance exceeds the limit specified in GB T26572 at least in one homogeneous material of the component The components marked with in the table cannot be replaced at present due to the...

Страница 87: ...Johnson Controls is committed to the continuous product improvement Please note the product design may change without notification This manual is for reference only For the specific product specifica...

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