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Summary of Contents for York YGWH 115
- Page 1 YGWH WATER COOLED SCREW CHILLERS FORM NO.: 6S6I-B01C-EOMA-EN(0318) Installation, Commissioning, Operation & Maintenance YGWH WATER COOLED SCREW CHILLERS STYLE A Cooling Capacities: 416 kW to 1328 kW (118 to 378 TR) TO BE COMPLETED WHEN PICTURE IS AVAILABLE...
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Page 3: Table Of Contents
Form 6S6I-B01C-EOMA-EN (0318) Table of Contents Installation ........4-1 General Chiller Information and Safety ..1-1 Location Requirements Introduction Installation of Vibration Isolators Warranty YGWH Floor Layout Diagram Standards for Safety Piping Connections Fluorinated Greenhouse Gases... - Page 4 Form 6S6I-B01C-EOMA-EN (0318) Unit Operation......6-1 9. Technical Data ....... 9-1 General Operational Limits Control System Pressure Drop OptiView™ LT Panel Electrical Connections Main (Home) Page Dimensions YGWH115, YGWH145,...
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Page 5: General Chiller Information And Safety
Introduction • The initial start of the unit must be carried out by YORK YGWH units are manufactured to the highest trained personnel from an Authorized Johnson design and construction standards to ensure high Controls Service Centre. performance, reliability and adaptability to all types of air conditioning installations. -
Page 6: About This Manual
Form 6S6I-B01C-EOMA-EN (0318) About this manual Mechanical Strength The following symbols are used in this document to The unit is not designed to withstand loads or stresses alert the reader to areas of potential hazard. from adjacent equipment, pipework or structures. Additional components must not be mounted on the A WARNING is given in this document to unit. Any such extraneous loads may cause structural... -
Page 7: Emergency Shutdown
Form 6S6I-B01C-EOMA-EN (0318) Refrigerants and Oils Safety Labels Refrigerants and oils used in the unit are generally The following labels are fixed to each unit to give instruction, or to indicate potential hazards which may nontoxic, non-flammable and non-corrosive, and pose no special safety hazards. Use of gloves and safety exist. -
Page 8: Material Safety Data
Form 6S6I-B01C-EOMA-EN (0318) Material Safety Data Refrigerant Data: Safety Data R134a Toxicity In contact with skin Liquid splashes or spray may cause freeze burns. Unlikely to be hazardous by skin absorption. R134a may be slightly irritant and liquid has a degreasing effect. Thaw affected areas with water. Remove contaminated clothing carefully — may adhere to skin in case of freeze burns. Wash affected areas with plenty of warm water. If symptoms occur (irritation or blistering) obtain medical attention. - Page 9 Containers Fire exposed containers should be kept cool with water sprays. Containers may burst if overheated. Fire fighting protective Self contained breathing apparatus and protective clothing must be worn in fire conditions. equipment Refrigerant Oil Data Safety Data YORK 'L' Oil Classification Non-hazardous In contact with skin Minimally irritating. No first aid necessary. Exercise reasonable personal cleanliness including cleansing exposed skin areas several times daily with soap and water. Launder soiled work clothes at least weekly. In contact with eyes Flush eyes with eyewash solution or clean water for 15 minutes and consult a physician.
- Page 10 Form 6S6I-B01C-EOMA-EN (0318) Page Left Intentionally Blank...
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Page 11: Specification
Form 6S6I-B01C-EOMA-EN (0318) 2. Specification Refrigerant vapour is sucked into the void created by the unmeshing of the male and female rotors. Further YGWH water cooled chillers are completely factory meshing of the rotors closes the rotor threads to the assembled with all interconnecting refrigerant piping suction port and progressively compresses the vapour and wiring ready for field installation. -
Page 12: Oil Separator
Form 6S6I-B01C-EOMA-EN (0318) Oil Separator Power Panel The YGWH condenser has a built-in internal oil All controls are factory-wired and function tested. The separator, to remove oil from the refrigerant and return panel enclosures are designed according to IP22 and it back to the compressor for lubrication. -
Page 13: Nomenclature
YGWH180CA50A BASE PRODUCT TYPE NOMINAL CAPACITY APPLICATION TYPE REFRIGERANT VOLTAGE DESIGN / DEVELOPMENT LEVEL : York C : Comfort Cooling : HFC-134a 0 : 380 / 3 / 50 A : Design Series : GT Compressor :115, 145, 180, 225,... -
Page 14: Refrigerant Flow Diagram
Form 6S6I-B01C-EOMA-EN (0318) Refrigerant Flow Diagram COMP Compressor COND Condenser EVAP Evaporator EEV Electronic Expansion Valve Fixed Orifice COMP Oil Eductor Oil Filter Refrigerant Filter Muffler [NB1] Models 115 to 260 [NB2] Models 300 to 375 COND EVAP EEV [NB1] FO [NB2] Low pressure liquid refrigerant enters the cooler and is evaporated and superheated by the heat energy absorbed from the chilled water passing through the cooler tubes. -
Page 15: Rigging, Lifting, Handling And Storage
Form 6S6I-B01C-EOMA-EN (0318) Rigging, Lifting, Handling and Storage RIGGING AND LIFTING SHOULD ONLY BE DONE BY A PROFESSIONAL RIGGER IN ACCORDANCE WITH A WRITTEN RIGGING AND LIFTING PLAN. THE MOST APPROPRIATE RIGGING AND LIFTING METHOD WILL DEPEND ON JOB SPECIFIC FACTORS, SUCH AS THE RIGGING EQUIPMENT AVAILABLE AND SITE NEEDS. -
Page 16: Delivery And Storage
• Form 2 (shipped without refrigerant charge) shackles should be inserted into the respective holes in Units are filled with YORK L oil and shipped without the tube end sheets (lifting holes in the tube end sheet export crating, unless crating has been specified on the are for a 6.8 shackle). -
Page 17: Installation
260, 300, 330, 375 4267 mm in the supply contract. Installation of Vibration Isolators The YORK Warranty will be voided if the following The optional vibration isolators are shipped loose with restrictions are not adhered to: the chiller. •... - Page 18 Form 6S6I-B01C-EOMA-EN (0318) Installing Option Spring Isolators In order to mount spring isolators, first remove the nuts and screws on the spring isolator supports. Before the unit is positioned, the isolator supports should be bolted to the unit support. Position the 4 spring isolators, screw out the adjusting screws on each isolator until Tube they reach out to match the isolator support holes.
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Page 19: Ygwh Floor Layout Diagram
Form 6S6I-B01C-EOMA-EN (0318) YGWH Floor Layout Diagram Model YGWH115 2731 1670 2937 1718 YGWH145 2731 1750 2937 1798 YGWH180 2731 1960 2937 2008 YGWH225 2731 1970 2937 2018 YGWH260 4407 1890 4613 1968 YGWH300 4407 1960 4613 2038 YGWH330 4407 2060 4613 2138... -
Page 20: Piping Connections
The evaporator must not be exposed to too high potential damage to the heat exchanger tubes. YORK flushing velocities or debris deposited during flushing. recommends that a water treatment specialist should It is recommended that a suitably sized by-pass... -
Page 21: Pipework Arrangement
Power and control wiring not connected to the York control panel should not be run Connection Types and Sizes through the control panel. If these precautions are Please refer to the physical data table for connection not followed it could lead to a risk of electric shock. -
Page 22: Direct Pressure Control
In accordance with China National Standard it is the responsibility of the user to install overload protection (current) for input power supply to the unit. All sources of supply to the unit must be taken via a common point of isolation (not supplied by York). Condenser 3-way Valve... -
Page 23: Control Panel Wiring
Form 6S6I-B01C-EOMA-EN (0318) Control Panel Wiring The power connected to the I/O board input terminals is 24 Vdc while the power connected to the I/O board output terminals is 220 Vac. The wiring for 220 Vac power must use dry-contacts (It is suggested to use the golden contact).If the dry- contact is part of a relay or a contactor, a capacitance- resistance suppressor winding must be used to... -
Page 24: Customer Connections
Form 6S6I-B01C-EOMA-EN (0318) Customer Connections... -
Page 25: Commissioning
Form 6S6I-B01C-EOMA-EN (0318) Commissioning Earthing Make sure all the protective conductor is properly and tightly connected to the ground. Preparation Commissioning of this unit should only be Oil heater carried Johnson Controls Verify that the oil heater is powered on. If the chiller Authorised personnel. -
Page 26: Control Panel Power Supply
Form 6S6I-B01C-EOMA-EN (0318) Control Panel Power Supply Confirm the control panel is powered on and the LCD screen can display normally. Programmed Options Make sure all the options programmed into the panel are in accordance with the customers order requirements. Programmed Settings Make sure all the setpoints are in accordance with the operating requirements. -
Page 27: Unit Operation
Form 6S6I-B01C-EOMA-EN (0318) Unit Operation Start-up Check the main power supplies to the unit are ‘ON’, all General refrigerant service valves are open (anti-clockwise one Units are designed to work independently, or in turn short of fully open) and both chilled and cooling conjunction with other equipment via Modbus building liquid have a regular flow rate, then press the ‘ON/OFF’... -
Page 28: Main (Home) Page
Form 6S6I-B01C-EOMA-EN (0318) Main (Home) Page FUNCTION ON/OFF OPERATING STATUS System temperatures, pressures and currents DATE & TIME STATUS SYMBOL & STATUS/FAULT INFORMATION ACCESS LEVEL Starting, Running, Stopping-Unload, Cycling Stopped, Stopped-Ready, Stopped-Fault Present V: View O: Operator S: Service This page displays unit current operating status and / or fault information and current time and date. The ON/OFF key, is used to start or stop the unit. - Page 29 Form 6S6I-B01C-EOMA-EN (0318) The ACCESS LEVEL key, is used to change The FUNCTION key is used to select the the access level pages to the different Function Page. pages. At power on, the access level is view. The ACCESS LEVEL key is only active on the After the FUNCTION key has been Main (Home) page.
- Page 30 Form 6S6I-B01C-EOMA-EN (0318) Programmable keys within the pages, allow parameters Digital parameters are changed with the digital to be modified when permitted (by access level). keyboard, which appears when the parameter is selected, and confirmed with the [TICK] or cancelled Option parameters are selected from the options in with the [CROSS].
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Page 31: Function Page
Form 6S6I-B01C-EOMA-EN (0318) Function Page This page is used to navigate to pages within the panel. Access Level Evaporator Condenser Compressor System Evaporator Condenser Condenser Level Control Compressor Diagnostic Save History Clear Safeties Clear History Trend Schedule Setting Special Day Display Date &... - Page 32 Form 6S6I-B01C-EOMA-EN (0318) View Pages The view pages display the unit component operating temperatures, pressures, switch and pump status, runtime, starts timers and electrical data. Lorem ipsum Access (V / O / S) Pages Item Leaving Chilled Temp. Return Chilled Temp. Evaporator Pressure Saturation Temp.
- Page 33 Form 6S6I-B01C-EOMA-EN (0318) Configure Pages The configure pages are used to set the unit operating mode and parameters. Details of the settings and values are given in the following table. For detailed information on service parameters, contact your local Johnson Controls Service Centre. Access Pages Class Item Values / Range Level Unit Type Factory Set Voltage Type Factory Set Cooling, Ice Storage, Heat Pump, Remote.
- Page 34 Form 6S6I-B01C-EOMA-EN (0318) Access Pages Class Item Values / Range Level Actual Discharge Temp. Discharge Temp. Display range: -20.0 to 130.0°C Actual Disch. Saturation Temp. Disch. Saturation Temp. Display range: -100.0 to 100.0°C Actual Disch. Superheat. Disch. Superheat Display range: -100.0 to 100.0°C Actual Oil Pressure.
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Page 35: History Page
Form 6S6I-B01C-EOMA-EN (0318) History Page This page is used to access the historical data on faults, safeties etc. that are stored during unit operation. The faults are listed sequentially on the page, with details of date, time, type and description of fault. For detailed information on Safety Faults, Cycling Stops and Warnings, refer to the Trouble Shooting Section. - Page 36 Form 6S6I-B01C-EOMA-EN (0318) The following parameters can be checked on the details pages: Parameter Parameter Leaving Condenser Temp. °C Return Condenser Temp. °C Leaving Chilled Temp. °C Return Chilled Temp. °C 1165 Evaporator Pressure Condenser Pressure 1206 Discharge Temp. °C 1207 Oil Pressure 1221 Run Current 1223 Percent FLA...
- Page 37 Form 6S6I-B01C-EOMA-EN (0318) The + button is used to add parameter trends. Parameter ID's are entered with the digital keyboard, which appears, and confirmed with the [TICK] or cancelled with the [CROSS]. By default the sample interval, is set to 60 seconds. This can be modified, by clicking on the interval and inputting the new value into pup-up dialogue (range is 1~3000 seconds). will start recording the selected parameter trend. Note: A U-disk is required to record parameter trends, pop up dialogues will confirm whether a U-disk is available. When no U-disk is available, only the graph can be displayed. will enable the selected parameter graph to be viewed. 6-11...
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Page 38: Schedule Page
Form 6S6I-B01C-EOMA-EN (0318) Schedule Page This page is used to set the schedules, holidays and alternate days that are used to control the unit operation when the Schedule Start/Stop on the System Page (Configure Pages) is enabled. In Schedule Setting, the schedule for startup or shutdown of the unit can be set based on week, holiday or alternate day. Each day can have four settings (maximum). -
Page 39: Setting Pages
Form 6S6I-B01C-EOMA-EN (0318) Setting Pages These pages are mainly for service use, contact your local Johnson Controls Service Centre for details. The operator can only adjust the display, set the system date and time and view version information about the control system. - Page 40 Form 6S6I-B01C-EOMA-EN (0318) Page Left Intentionally Blank 6-14...
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Page 41: Maintenance
If in any doubt, contact your local Johnson Controls Service Centre. Should it become necessary to add refrigerant charge to a YORK YGWH Chiller; add charge until the Operating conditions: Read the operating pressures evaporator approach and refrigerant gas discharge... -
Page 42: Oil Filter
Charging units with Oil Oil Charge Condenser and Evaporator YORK 'L' oil is approved for YGWH Units, and the General quality of oil required is listed in the Physical Data Maintenance of condenser and evaporator shells is tables. - Page 43 5. Flush the condenser with clean water to remove the observed to be fouled, the tubes will require cleaning. debris. For condenser fluids other than water consult with the local YORK Field Service Office for the correct 6. Replace the water box gasket with a new gasket and condenser approach temperature. reassemble the water boxes onto the condenser.
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Page 44: Working Conditions
It is recommended that your local York Service Centre is contacted for recommendations Maintain evaporator water or brine flow rates for individual sites. through the evaporator tubes that the chiller was designed for. -
Page 45: Trouble Shooting
Form 6S6I-B01C-EOMA-EN (0318) Trouble Shooting Competent Persons Trouble Shooting Guide PROBLEM POSSIBLE CAUSES ACTION Transducer reads incorrectly. Check transducer against a gauge. Chilled water temperature sensor defective. Check temperature sensor. Insufficient refrigerant charge. Check for leaks and charge refrigerant into system. Low evaporator water flow. -
Page 46: Safety Faults, Cycling Stops And Warnings
Form 6S6I-B01C-EOMA-EN (0318) PROBLEM POSSIBLE CAUSES ACTION Refrigerant charge low. Check evaporator approach temperature. Excess charge in system. High discharge pressure. High motor temperature input from one of Check superheat. High Motor Temperature the sensors. High superheat. Feed valves NOT controlling. Isolate cause. - Page 47 Form 6S6I-B01C-EOMA-EN (0318) Code 111: Safety Fault-Return Chilled Temp. Sensor Fault When there is a fault or disconnection in the Return Chilled Temperature Sensor or connection plug is pulled out, the unit will shut down and the message will be displayed. This fault has to be manually reset after the sensor recovers. Code 112: Safety Fault-SYS1 Discharge Temp.
- Page 48 Form 6S6I-B01C-EOMA-EN (0318) Code 121: Safety Fault-SYS1 Compressor Over Current This safety fault is set when the 1#Percent MLA rises above 100% for 5 seconds, the 1# unit will shut down and the message will be displayed. This fault has to be manually reset after the 1#Percent MLA falls below 100%. Code 122: Safety Fault-SYS1 Compressor Low Current This safety fault is set when the 1#Percent FLA falls below 10% for 10 seconds, the 1# unit will shut down and the message will be displayed.
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Page 49: Cycling Stops
Form 6S6I-B01C-EOMA-EN (0318) Code 161: Safety Fault-Emergency Stop Pressed When the emergency stop button on the panel is pressed, the power of IO board will be cut off, but the power of HMI and maiboard will continue and the message will be displayed in the status bar. This fault has to be manually reset after the unit is stopped. Code 162: Start Inhibit-Oil Heat Over 5 Hour Before Start This start inhibit is set if the oil heater works no more than 5 hours after the unit has been stopped for over 15 days, the message will be displayed in the status bar and prevent the unit to start. -
Page 50: Warnings
Form 6S6I-B01C-EOMA-EN (0318) Warnings Code 501: Warning-Evaporator Low Pressure Force Unload This warning is set after the compressor is running, whenever the Evaporator Pressure is less than the ‘Low Press. Force Unload Setpoint’, the unit will force unload and the message will be displayed. This warning releases and capacity is recovered to automatic control after the Evaporator Pressure is larger than the ‘Low Press. - Page 51 Form 6S6I-B01C-EOMA-EN (0318) Code 513: Warning-SYS1 Discharge Low Superheat Stop Load This warning is set after the 1# compressor is running over 180 seconds, whenever the 1# discharge superheat is less than Setpoint (default: 3°C), the unit will stop load, level control EEV will be force close and the message will be displayed. This warning releases, capacity and EEV is recovered to automatic control after the 1# discharge superheat is larger than Setpoint + 1°C.
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Page 52: Sensor Calibration Charts
Form 6S6I-B01C-EOMA-EN (0318) Sensor Calibration Charts Chilled Leaving/Return Liquid and Cooling Leaving/Return Liquid Temperature Sensors Temperature °C Resistance kΩ 42.82 38.53 3 4.71 31.32 28.29 2 5.59 23.17 21. 01 1 9.07 17.33 15. 77 Temperature °C Resistance kΩ 14.37 13.1 11.96 10.93... -
Page 53: Technical Data
Form 6S6I-B01C-EOMA-EN (0318) 9. Technical Data Operational Limits YGWH Models Min. Max. Min. Max. Min. Max. Min. Max. 2.2 to 21 Liquid outlet temperature (water) °C Chilled liquid Flow rate Maximum working pressure barg 18 to 43 Liquid outlet temperature °C Cooling liquid Flow rate... -
Page 54: Electrical Connections
Form 6S6I-B01C-EOMA-EN (0318) Physical Data YGWH Models Refrigerant circuits Refrigerant charge Oil Charge Semi-hermetic Screw Type Compressor 25%-100% Capacity Control Hybrid FF Type Evaporator Number of Passes Connection sizes inch Type Shell-tube Condenser Number of Passes Connection sizes inch Length 3118 3131 3156... -
Page 55: Dimensions Ygwh115, Ygwh145, Ygwh180, Ygwh225
Form 6S6I-B01C-EOMA-EN (0318) Dimensions YGWH115, YGWH145, YGWH180, YGWH225 MODEL YGWH115 3118 1710 1739 YGWH145 3131 1797 1796 YGWH180 3156 1975 1932 YGWH225 3153 1995 1934... -
Page 56: Dimensions Ygwh260, Ygwh300, Ygwh330, Ygwh375
Form 6S6I-B01C-EOMA-EN (0318) Dimensions YGWH260, YGWH300, YGWH330, YGWH375 MODEL YGWH260 4807 1925 2156 YGWH300 4835 1988 2174 YGWH330 4872 2086 2156 YGWH375 4872 2086 2156... -
Page 57: 10. Spare Parts
Recommended Compressor Oils The correct type of oil must be used in the unit as shown on the unit data plate and labels. Standard units use the following oil and refrigerant: Oil: YORK 'L' lubricating oil. 10-1... - Page 58 Form 6S6I-B01C-EOMA-EN (0318) Page Left Intentionally Blank 10-2...
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Page 59: Decommissioning, Dismantling And Disposal
Form 6S6I-B01C-EOMA-EN (0318) 11. Decommissioning, Dismantling If glycol or similar solutions have been and Disposal used in the water system, or chemical additives are contained, the solution MUST be disposed of in a suitable and safe Never release refrigerant to the atmosphere manner. - Page 60 6S6I-B01C-EOMA-EN(0318) 6S6I-B01C-EOMA-EN(1217) Johnson Controls reserve all rights to product design changes without notification. Product performance detailed is agreed in the contract, this manual is for reference only.