035-21786-100 Rev. 1 (0909) TABLE OF CONTENTS SUPPLIER INFORMATION INSTALLATION Introduction Location Requirements Warranty Installation of Vibration Isolators Safety Pipework Connection Responsibility for Safety Water Treatment About this Manual Pipework Arrangement Misuse of Equipment Connection Types & Sizes Emergency Shutdown Condenser Cooling Liquid Systems 4.4 Safety Labels Electrical Connection...
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035-21786-100 Rev. 1 (0909) TROUBLE SHOOTING Competent Persons Trouble Shooting Guide TECHNICAL DATA Flow Rate and Pressure Drop Graphs Performance Graphs Operating Limitations Physical Data Electrical Data Sound Data Clearances and Foundations Dimensions 10 SPARE PARTS 10.1 Renewal Parts List 10.1 10.2 Recommended Compressor Oils 10.1...
Low Voltage Directive (2006/95/EC) Warranty EMC Directive (2004/108/EC) Johnson Controls warrants all equipment and materials They conform to the applicable and essential safety against defects in workmanship and materials for one requirements of Pressure Equipment Directive year from initial start-up, or eighteen months from 97/23/EC and bear CE marking.
This manual and any other document supplied with the pressure, release of which can be a danger and cause unit, are the property of Johnson Controls which injury. The user should ensure that care is taken during reserves all rights. They may not be reproduced, in...
035-21786-100 Rev. 1 (0909) Electrical Safety Labels The unit must be earthed. No installation or The following labels are fixed to each unit to give maintenance work should be attempted on electrical instruction, or to indicate potential hazards which may equipment without first switching off, isolating and exist.
035-21786-100 Rev. 1 (0909) Material Safety Data Refrigerant Data: Safety Data R407C Toxicity Low. In contact with skin Liquid splashes or spray may cause freeze burns. Unlikely to be hazardous by skin absorption. Thaw affected areas with water. Remove contaminated clothing carefully — may adhere to skin in case of freeze burns.
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035-21786-100 Rev. 1 (0909) Thermal and Acoustic Materials Data Health Hazard & First Toxicity Index <10 to NES713 Issue 3 (1991): Non-hazardous, non-toxic. No first aid necessary. Stability / Reactivity Stable. Handling / Use / No special handling precautions required. Dispose of according to local laws and regulations Disposal governing non-biodegradable non-hazardous solid wastes.
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035-21786-100 Rev. 1 (0909) Health Hazard Data Route(s) of Entry No significant health hazards are identified. Prolonged repeated skin contact may cause irritation and dermatitis Health Hazards (Acute and Chronic) No significant health hazards are identified. Prolonged repeated skin contact may cause irritation and dermatitis Carcinogenicity NTP: No IARC Monographs: No...
035-21786-100 Rev. 1 (0909) Compressor Evaporator Condenser (YCSE only) Power Section Control Panel Refrigerant Circuits PRODUCT DESCRIPTION Depending on model size, one or two independent Introduction refrigerant circuits are provided on each unit. Each circuit uses copper refrigerant pipe formed on computer YORK YCSE/YCRE R407C chillers are designed for controlled bending machines to reduce the number of water or water-glycol cooling.
035-21786-100 Rev. 1 (0909) Accessories and Options Modbus 1 2-Pole Motor To integrate the unit into the building management 2 Built-in Oil Separator system. The interface permits the connection of up to 8 3 Twin Screw Rotors 4 Oil Sight Glass units using the Modbus communications protocol.
035-21786-100 Rev. 1 (0909) Dual Pressure Relief Valves AVM (Spring Isolators) Two safety valves in parallel of which one is operational Spring and cage type isolators for mounting under the to assist in valve replacement during maintenance. unit base rails to avoid transmission of vibration to the plant room structure (supplied loose with unit for field Suction Pressure Relief Valves assembly)
Units are Major damage must be reported immediately to your shipped without export crating unless this has been local Johnson Controls representative. specified on the Sales Order. Moving the Unit If the unit is to be put into storage, before installation, the...
035-21786-100 Rev. 1 (0909) Moving the Unit with Rollers To prevent the unit tipping over do not tilt the unit more than 15°. Use at least 6 equal sized rollers under the base frame. Each roller must support both outer frames. Ensure the unit is balanced evenly on all the rollers.
The unit must be installed on a suitable flat and level type flow switches suitable for 10 barg working concrete base (2) that extends to fully support the unit pressure can be obtained from Johnson Controls base frame. as an option for the unit.
035-21786-100 Rev. 1 (0909) Pipework and fittings must be separately Any debris left in the water pipework between supported to prevent any loading on the heat the strainer and heat exchanger could cause e x c h a n g e r ( s ) . F l e x i b l e c o n n e c t i o n s a r e serious damage to the plates in the heat r e c o m m e n d e d w h i c h w i l l a l s o m i n i m i s e exchanger and must be avoided.
035-21786-100 Rev. 1 (0909) Pipework Arrangement The following are suggested pipework arrangements for single unit installations. For multiple unit installations, each unit should be piped as shown. Recommendations of the Building Services Research Association Chilled Liquid System / Binder Point Connection Types &...
035-21786-100 Rev. 1 (0909) If relief pipework is common to more than one valve its Inlet Temperature Control (By others) cross sectional area must be at least the total required by each valve. Valve types should not be mixed on a For a cooling tower / dry cooler system, the simplest common pipe.
035-21786-100 Rev. 1 (0909) Electrical Connection liquid valves on the unit itself. Liquid subcooling should be 4°C to 10°C on arrival at the unit. The following connection recommendations are It is important to ensure that for each system the remote intended to ensure safe and satisfactory operation of the unit.
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035-21786-100 Rev. 1 (0909) Maximum Equivalent Maximum Difference Refrigerant Connections Piping Length (m) in Height (m) Units are supplied with a nitrogen holding charge. Do Unit below not open the unit stop valves until all preparation for field Remote 30.0 25.0 leakage checks has been completed.
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035-21786-100 Rev. 1 (0909) YCRE Refrigerant Piping Arrangements Field Supplied Liquid Loop Liquid Loop Unit below Remote Condenser Remote Remote Condenser Condenser Oil Trap Oil Trap Maximum 25 metres At each At each 10 metres 10 metres YCRE Unit Oil Trap Oil Trap Receiver Receiver...
035-21786-100 Rev. 1 (0909) 4.10 Power Wiring 4.11 Control Wiring The units are suitable for 380 or 400 V, Connect the interlock and control wiring as shown in the unit connection diagram below. 3 phases + neutral + earth, 50 Hz nominal supplies only.
035-21786-100 Rev. 1 (0909) 4.12 Connection Diagram YCSE Name N° Main Power/Terminal Board (R,S,T,N) Electrical Box Main Power Switch Main Power Wiring Earth Wiring T he main connection to terminal N is required. Remove link between 5 and 6 when remote control switch option is fitted 30mA max EVAP...
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035-21786-100 Rev. 1 (0909) YCRE Name N° Main Power/Terminal Board (R,S,T,N) Electrical Box Main Power Switch Main Power Wiring Earth Wiring The main connection to terminal N is required. Remove link between 5 and 6 when remote control switch option is fitted 30mA max EVAP SW4 SW5 SW6...
035-21786-100 Rev. 1 (0909) Compressor oil: Check the compressor oil for correct COMMISSIONING level at the oil level sight glass. Full at commission startup and no less than half full during normal Preparation operation. Commissioning of this unit should only be Isolation/protection: Verify that all sources of electrical carried out by JCI Authorised personnel who supply to the unit are taken from point(s) of isolation.
035-21786-100 Rev. 1 (0909) Cooler and Condenser flow rates and Refrigerant flow: When a compressor starts a flow of pressure drops must be within the limits given liquid refrigerant will be seen in the liquid line sight glass. in Section 9. Operation outside of these limits After several minutes operation and providing a full is undesirable and could cause damage.
035-21786-100 Rev. 1 (0909) To prevent damage to the unit the control UNIT OPERATION supply to the compressor heaters should not be switched off, even when the unit is not General Description required to run. The units are designed to work independently, or in conjunction with other equipment via a building If mains power must be switched off, (for extended management system or other automated control...
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035-21786-100 Rev. 1 (0909) The modes are changed by using the display check This example shows that alarm 10 was a system 1 high switches SW3 and SW4. pressure alarm and alarm 9 was a system 2 high pressure alarm. See Alarm Codes, Pressure/ Temperature Settings and Safety and Control Device Normal Operating Mode Settings.
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035-21786-100 Rev. 1 (0909) Evaporating Temperature (°C): 4°C Compressor Capacity Control (°C) Load up Evaporating Temperature (°C): 4°C Compressor Capacity Control (°C) Hold Chilled Water Inlet Temperature (°C): 12°C Compressor Capacity Control (°C) Load down Chilled Average Water Outlet Temperature (°C): 7°C Control Status Compressor Start Control C D C...
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035-21786-100 Rev. 1 (0909) Second Water Temperature Setting This temperature setting provides another setting value for water temperature. It can be changed by a remote signal. Select the Parameter Settings Mode by pressing and holding SW4 for 3 seconds. Press SW4 q to scroll through the parameter settings until the second water temperature setting display is shown: This shows the setting is 6°C.
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035-21786-100 Rev. 1 (0909) Alarm Codes Alarm Display Code Alarm Display Code Function Function No. 1 Comp. No.2 Comp. No. 1 Comp. No.2 Comp. Water Failure for Condenser (Differential Pressure Switch or C1-H1 C2-H2 High Pressure C3-P6 C3-P6 Flow switch option) (YCSE only) Alarm of Water Failure 6E-6E...
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035-21786-100 Rev. 1 (0909) Pressure/Temperature Settings Cooling Liquid Water (DSW4-4: OFF) Brine/Glycol (DSW4-4: ON) 5 to 20 -5 to 5 -10 to -6 Leaving Liquid Temp (°C) If Ps < 3.7bar, starts loading If Ps < 0.9bar, starts loading If Ps < 0.2bar, starts loading Protection down for 10 secs and then down for 10 secs and then...
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035-21786-100 Rev. 1 (0909) Standard Operating Sequence - YCSE-040, 050, 060, 080, YCRE-040, 050, 060 Control Stage Control Devices Starting Control Capacity Control Safety Devices Shut Down Main Power Switch Chilled Water Pump Condenser Water Pump Operation Switch (ON/OFF) Load Up Controller Neutral Load Down...
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035-21786-100 Rev. 1 (0909) 6.5.2 Control Printed Circuit Board The Control Printed Circuit Board contains various switches for setting the unit control parameters. Switch Function Factory Default RSW 1 Chilled Water Outlet Temperature Setting Switch RSW 2 Chilled Water Outlet Temperature Setting Switch RSW 3 Hot Water Outlet Temperature Setting Switch (heat pump option only) RSW 4...
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035-21786-100 Rev. 1 (0909) Switch Function Factory Default DSW1 Not Used DSW2-1 3 Mins Compressor Starting Time Delay DSW2-2 OFF/OFF DSW3-1 Compressor Isolation for Maintenance ON/ON DSW3-2 DSW3-3 to Not Used DSW3-7 DSW3-8 Sets chiller ID when using more than one chiller with a remote control DSW3-9 OFF/OFF/OFF system...
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035-21786-100 Rev. 1 (0909) Chilled Water Outlet Temperature Setting Switch Temperature Band for Stop Setting Switch RSW1 and RSW2 DSW5-1, DSW5-2 7 ° C fo r c h i l l e d w a t e r o u t l e t te m p e r a t u r e is 1°C degree is factory default: DSW5-1 ON;...
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035-21786-100 Rev. 1 (0909) Interval of Output Signal Time for Load-up 2 and Manual Set Switch A: DSW3-8, DSW3-9, DSW3-10 Load-down Mode Setting Switch: DSW5-9, DSW5-10 This switch is used to set the chiller ID when using more than one chiller with a remote control system (HARC, 60 seconds is factory default: DSW5-9 ON;...
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035-21786-100 Rev. 1 (0909) Manual Set Switch C: DSW7-1, DSW7-2, Selection Switch for Cooling/ Heating Operation: This switch defines the chilled liquid temperature range. Factory default is COOL, SW8 in the up position. The settings for DSW7-1, DSW7-2 are as follows: If the optional heat pump is fitted, set SW8 to the down DSW7 position for HEATING operation.
035-21786-100 Rev. 1 (0909) Unit status: If the Alarm LED is on select the Alarm MAINTENANCE Mode on the display by pressing and holding SW3 and SW4 for 3 seconds. General Requirements Press SW3 p or SW4 q to scroll through the alarms. The units have been designed to operate continuously The display will automatically toggle (E) between the provided they are regularly maintained and operated...
035-21786-100 Rev. 1 (0909) Scheduled Maintenance The maintenance operations detailed in the following table should be carried out on a regular basis by a suitably qualified Service Engineer. It should be noted that the interval necessary between each ‘minor’ and ‘major’ service can vary depending on, for instance, application, site conditions and expected operating schedule.
035-21786-100 Rev. 1 (0909) Trouble Shooting Competent Persons Trouble Shooting Guide PROBLEM POSSIBLE CAUSE ACTION Compressor does not operate Interlock circuit for chilled water Check the pump contactor. Repair or replace, if pump is open necessary. Check the pump. Electrical protective devices have Locate and rectify the fault.
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035-21786-100 Rev. 1 (0909) PROBLEM POSSIBLE CAUSE ACTION High Discharge Pressure Warm inlet water or insufficient Open the valve water flow through the condenser Gas outlet valve on the condenser Check the valves, capillary tubes and strainer. Replace, not completely open if necessary.
035-21786-100 Rev. 1 (0909) TECHNICAL DATA Flow Rate and Pressure Drop Graphs YCSE/YCRE Evaporator Water Pressure Drop YCSE Condenser Water Pressure Drop...
035-21786-100 Rev. 1 (0909) Operating Limitations YCSE040 YCSE050 YCSE060 YCSE080 YCSE100 Standard Models Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Liquid Outlet Temperature °C 5 to 15 (Water) Liquid Outlet Temperature (1) (3) °C -10 to 15 (Glycol) Liquid Outlet Temperature Chilled Liquid...
035-21786-100 Rev. 1 (0909) Physical Data Standard Models YCSE Number of refrigerant circuits 14 / 14 Refrigerant Charge Circuit 1 (/ Circuit 2) Oil Charge Circuit 1 (/ Circuit 2) litre Number of Compressors Compressor Semi-hermetic Screw Type 15-100 Capacity Control 7.5,15-100 Number of Evaporator Brazed PHE...
035-21786-100 Rev. 1 (0909) Electrical Data Nominal Running Maximum Running Start up Conditions Conditions YCSE Amps Amps Amps at 400 V at 400V (1) Nominal Running Amps at 7ºC Leaving Evaporator Liquid Temperature and 35ºC Leaving Condenser Liquid Temperature (2) Maximum Running Amps is the maximum unit running current under the following conditions: Supply voltage: 90% of rated voltage;...
035-21786-100 Rev. 1 (0909) Sound Data Mean Sound Power Band Levels - Frequency Hz YCSE 1000 2000 4000 8000 EN 292-1991 Notes: 1. Sound Power as per Eurovent Specification. 2. Sound Pressure values for EN 292-1991, 1 metre from Control Panel and 1.5 metres from Ground Level in dB(A) Mean Sound Power Band Levels - Frequency Hz YCRE...
035-21786-100 Rev. 1 (0909) SPARE PARTS 10.1 Renewal Parts List Details of unit spare parts are given in 035-021787-000. Contact your local JCI Sales and Service Centre for information and please quote the unit model number and serial number. When ordering spare parts, we will require the following information to ensure the correct parts are supplied: Full unit model number, serial number, application and details of the parts required.
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035-21786-100 Rev. 1 (0909) This Page Intentionally Blank...
035-21786-100 Rev. 1 (0909) If glycol or similar solutions have been DECOMMISSIONING. DISMANTLING used in the water system, or chemical AND DISPOSAL additives are contained, the solution MUST be disposed of in a suitable and safe N e v e r r e l e a s e r e f r i g e r a n t t o t h e manner.
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www.johnsoncontrols.com Subject to change without notice. Form 035-21786-100 Rev. 1 (0909) ALL RIGHTS RESERVED.
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