IM EWLP-KBW1N
Contents
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4. a 2 The EWLP units be combined with Daikin fan coil units or air handling units for air conditioning purposes They can also be used Selection of location 2 for supplying chilled water for process cooling Inspecting and handling 2 The present installation manual describes the procedures for Unpacking and placing the 2 unpacking installing and connecting the EWLP units Important information regarding the refrigerant 2 This appliance is intended to be used by expert or trained users in shops in light industry and on farms or for commercial use by lay Selection of tette tr ais 3 persons Gorineetingthe refrigerant stent a 3 Sound pressure level is less than 70 dB A Precautions when handling piping 3 Connecting the refrigerant circuit 3 Leak test and vacuum drying 4 Technical specifications Open the discharge and liquid stop valves 4 Charging the ta 4 Model EWLP 012 020 026 030 ENEN Dimensions HxWxD mm 600x600x600 Checking the water Circuit nternet neigend 5 Meche aera B 138 444 149 Water quality specifICatiOlis 1 exon ia etant i peor bn thea inndrinn 5 Connections a chilled water inlet and outlet G1 Connecting the Water uret aerden 5
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6. boe EPOR 0 ESSENT mm 12 7 19 1flare 19 1flare 19 1 flare connection copper Water charge flow and quality 2 eene 6 AU ey a als p mm 9 52 12 7 flare 12 7 flare 12 7 flare Water piping three tne vaatas jas 6 Refrigerant piping inSulalioHi ceni tte e deren eneen 6 E 040 055 065 Dimensions HxWxD mm 600x600x1200 Installation of the condenser inlet temperature sensor 6 Machine weight kg 252 265 274 Connecting sensors and power supply sss 6 Connections Field WIE ee eco ER etui iu chilled water inlet and outlet G 1 1 2 Pants 2 6 2 19 1 flare 2 19 1 flare 2 19 1 flare Power circuit and cable requirements 6 Icondenserliquid 7 Connection of the water cooled water chiller power supply 6 connection copper 2x 127 flare 2x127flare 2x 12 7 flare Point for attention regarding quality of the public electric power supply 7 eales osmium T A Electrical specifications Before e w M 7 Flow tO GOD sara rao pd iata sudo uta bdo iu me eet aro ee eue kama 7 Power circuit Phase 3N Thank you for purchasing this Daikin air conditioner Frequency Hz 50 Voltage V 400 READ THIS MANUAL ATTENTIVELY BEFORE STARTING Voltage tolerance
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9. and dirt enter Make sure the pump oil does not flow oppositely into the system while the pump is not working Use a vacuum pump which can evacuate to 100 7 kPa 5 Torr 755 mm Hg Be sure to use both a spanner and torque wrench together when connecting or disconnecting pipes to from the unit Torque wrench Spanner Piping union R N Flare nut H Refer to the table below for the dimensions of flare nut spaces and the appropriate tightening torque Overtightening may damage the flare and cause leaks Flare dimension A Pipe gauge Tightening torgue Flare shape 09 5 33 39 Nem 12 0 12 4 012 7 50 60 Nem 15 4 15 8 19 1 97 110 Nem 22 9 23 3 EWLP012 065KBW1N DAIKIN Installation manual Condenserless water cooled water chillers 3 4PW61665 1A 2012 04 When connecting the flare nut coat the flare inner surface with Open the discharge and liquid stop valves ether oil or ester oil and initially tighten 3 or 4 turns by hand before tightening firmly 1 Check the pipe connector for gas leaks to open Remove the cap 1 and turn the shaft 2 counterclockwise with hexagon socket screw keys 3 JIS B 4648 nominal size 4mm Turn it all the way until the shaft stops Tighten the cap firmly 2 toclose When inserting the refrigerant piping in the wall hole take Remove the cap and turn the shaft c
10. 10 UP THE UNIT DO NOT THROW IT AWAY KEEP IT IN YOUR FILES FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES OPTIONAL EQUIPMENT AND SPARE PARTS MADE BY DAIKIN WHICH ARE Options and features Options Glycol application for chilled water temperature down to 10 C or 5 C BMS connection MODBUS optional kit address card SPECIFICALLY DESIGNED FOR USE WITH THE EKAC10C HAVE THEM INSTALLED BY A H Remote user interface optional kit EKRUMCA Necessary to additionally install kit address card EKAC10C IF UNSURE OF INSTALLATION PROCEDURES OR USE Low noise operation kit field installation ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE AND INFORMATION The English text is the original instruction Other languages are translations of the original instructions 1 Refer to the operation manual or engineering data book for the complete list of specifications options and features 2 When EKAC10C is used in combination with remote user controller EKRUMCA then it is not possible to use the BMS connection MODBUS EWLP012 065KBW1N DAIKIN Installation manual Condenserless water cooled water chillers 4PW61665 1A 2012 04 1 Features H Voltage free contacts general operation alarm operation compressor 1 operation compres
11. VRCx0 38 EWLP026 1 7 0 12xLLP VRCx0 38 EWLP030 2 0 0 12xLLP VRCx0 38 EWLP040 2x 1 5 0 12xLLP VRCx0 38 EWLP055 2x 1 7 0 12xLLP VRCx0 38 EWLP065 2x 2 0 0 12xLLP VRCx0 38 VRC volume of remote condenser I LLP length of liquid pipe m Next perform a fine tuning For fine tuning of the refrigerant charge the compressor must operate If the liquid line sightglass is showing seal after the rough charging due to possible different conditions add 10 refrigerant charge weight If the liquid line sightglass is showing some gas bubbles the rough refrigerant charge is sufficient by fine tuning the additional 10 refrigerant charge weight If the liquid line sightglass is showing flash gas then charge until one of the previous situations occur Then fine tune with the additional 10 refrigerant charge weight The unit must have the time to stabelize which means that this charging has to be done in a smooth way NOTE Take care for contamination of the remote condenser chan in order to avoid blocking of the system It is impossible for Daikin to control the contamination of the foreign condenser of the installer The Daikin unit has a strict contamination level Use the liguid line check valve for charging refrigerant and make sure to charge liguid Installation manual DAIKIN 4 EWLP012 065KBW1N Condenserless water cooled water chillers 4PW61665 1A 2012 04 CHECKIN
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13. ARGE FLOW AND GUALITY To assure proper operation of the unit a minimum water volume is reguired in the system and the water flow through the evaporator must be within the operation range as specified in the table below Minimum Minimum water volume 1 water flow water flow EWLP012 62 1 31 l min 69 l min EWLP020 103 53 l min 115 l min EWLP026 134 65 l min 153 l min EWLP030 155 76 l min 179 l min EWLP040 205 101 l min 229 l min EWLP055 268 131 l min 307 l min EWLP065 311 152 I min 359 l min The water pressure should not exceed the maximum working pressure of 10 bar NOTE Provide adequate safeguards in the water circuit to ch make sure that the water pressure will never exceed the maximum allowable working pressure WATER PIPING INSULATION The complete water circuit inclusive all piping must be insulated to prevent condensation and reduction of the cooling capacity Protect the water piping against water freezing during winter period e g by using a glycol solution or heatertape REFRIGERANT PIPING INSULATION To prevent burning injuries by accidental touching the hot max 135 C discharge pipe it must be insulated thoroughly A minimum of insulation to protect the liguid pipe from damage is advisable INSTALLATION OF THE CONDENSER INLET TEMPERATURE SENSOR For condenser water inlet control it is possible to enlarge the provided water sensor cable for a total lengt
14. DAIKIN INSTALLATION MANUAL Condenserless water cooled water chillers HYDROCUBE w EWLP012KBW1N EWLPO20KBW1N EWLPO26KBW1N EWLPOSOKBW1N EWLPO40KBW1N EWLPO55KBW1N EWLPO65KBW1N wnibjeg epuaisoO 0078 00 1eesepioo pue7 AN NDIIVO piek luiseksog IdeA yuya AN adong s SZ aloynulguoy fexoruuoe oqns af AN adong uIy eg 0 20 005 pz oystuya sjazuojne NN adong z solioynnsuoy Is ejoije6 ei A N adoing Ume zz BWITMAGLIHOV BMO HMHXAL BE EY et eHednendoLo A N adong UES ss LZ TIUOOISJEJUBLUNJOD 3stjluua EWEYSOOY PNJEJIJOA uo A N edon3 ss 02 ougiuya s o ejses ez Uagse qood af adong UEC s 1015 yeo lt g gt 3196 euiseyynieg lt 9 gt 16 piyaq ep lt y gt lt gt s opens A g 9091512 e y A oye lt I gt Je e eyses wewunfagA wefenyizod lt g gt 150151012 un y ey lt 2 gt kreisis jebed lt g gt ejs idsnu teweibie diey 11 ey eyegsnu diey lt g gt 09 lt g gt 10 OHUBLMKOLOL V 8 OIX 9979 96N03 OHN 67EE9 preoan lt 2 gt JON 62
15. G THE WATER CIRCUIT The units are equipped with a water inlet and water outlet for connec tion to a chilled water circuit This circuit must be provided by a licensed technician and must comply with all relevant European and national regulations A The unit is only to be used in a closed water system Application in an open water circuit can lead to excessive corrosion of the water piping Before continuing the installation of the unit check the following points H Additional components not delivered with the unit 1 A circulation pump must be provided in such a way that it discharges the water directly into the heat exchanger 2 Drain taps must be provided at all low points of the system to permit complete drainage of the circuit during maintenance or in case of shut down 3 Vibration eliminators in all water piping connected to the chiller are recommended to avoid straining the piping and transmitting vibration and noise H Additional water piping delivered with the unit All additional water piping must be installed on the system according to the piping diagram as mentioned in the operation manual The flowswitch must be connected as described on the wiring diagram See also chapter Before starting on page 7 c gt 2x Ball valve 1x Water filter 1 Air purge 1x T joint for air purge 2x Flowswitch pipe 1x Fl
16. cable requirements 1 The electrical power supply to the unit must be arranged so that it can be switched on or off independently of the electrical supply to other items of the plant and equipment in general 2 A power circuit must be provided for connection of the unit This circuit must be protected with the required safety devices i e a circuit breaker a slow blow fuse on each phase and an earth leak detector Recommended fuses are mentioned on the wiring diagram supplied with the unit Switch off the main isolator switch before making connections switch off the circuit breaker remove or switch off the fuses Connection of the water cooled water chiller power supply 1 Using the appropriate cable connect the power circuit to the N L1 L2 and L3 terminals of the unit cable section 2 5 10 mm 2 Connect the earth conductor yellow green to the earthing terminal PE Installation manual 6 DAIKIN EWLP012 065KBW1N Condenserless water cooled water chillers 4PW61665 1A 2012 04 Point for attention regarding guality of the public electric power supply H This equipment complies with EN IEC 61000 3 11 provided that the system impedance Z is less than or equal to Zmay at the interface point between the user s supply and the public System It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the
17. equipment is connected only to a supply with a system impedance Zsys less than or equal to Zmax EWLP012 0 28 EWLP020 0 23 EWLP026 0 22 EWLPOSO 0 21 EWLP040 0 22 EWLP055 0 21 EWLP065 0 20 Only for EWLPO26 065 Equipment complying with EN IEC 61000 3 12 2 Interconnection cables H Voltage free contacts The PCB is provided with some voltage free contacts to indicate the status of the unit The PCB is also provided with a voltage free contact for the operation of fans When the compressor is running the contact is closed and a fan contact can be activated These voltage free contacts can be wired as described on the wiring diagram B Remote inputs Besides the voltage free contacts there are also possibilities to install remote inputs They can be installed as shown on the wiring diagram 1 European International Technical Standard setting the limits for voltage changes voltage fluctuations and flicker in public low voltage supply systems for equipment with rated current 75 A 2 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage systems with input current gt 16 A and lt 75 A per phase BEFORE STARTING The unit should not be started not even for a very short period of time before the following pre commissioning checklist is filled out completely tick when checked standard steps to
18. ess mg CaCO I lt 70 lt 70 B Calcium hardness mg lt 50 lt 50 B Silica ion mg SiOo l lt 30 lt 30 B Items to be referred to Iron mg Fell lt 1 0 lt 0 3 A B Copper mg lt 1 0 lt 0 1 A Sulfide ion mg 527 not detectable A Ammonium ion mg NHj I 1 0 0 1 A Remaining chloride mg 0 3 0 3 A Free carbide mg CO l 4 0 4 0 A Stability index A B A corrosion B scale CONNECTING THE WATER CIRCUIT The evaporator is provided with GAS female pipe thread connections for the water inlet and outlet refer to the outlook diagram Evaporator water connections are to be made in accordance with the outlook diagram respecting the water in and outlet If air moisture or dust gets in the water circuit problems may occur Therefore always take into account the following when connecting the water circuit 1 Use clean pipes only 2 Hold the pipe end downwards when removing burrs 3 Cover the pipe end when inserting it through a wall so that no dust and dirt enter A _ H The exterior of the water pipes must be adequately protected against corrosion Use a good thread sealant for the sealing of the connections The sealing must be able to withstand the pressures and temperatures of the system it must also be resistant to the used glycol in the water EWLP012 065KBW1N Condenserless water cooled water chillers 4PW61665 1A 2012 04 DAIKIN Installation manual 5 WATER CH
19. go through before starting the unit 1 Check for external damage 2 Install main fuses earth leak detector and main switch Recommended fuses aM according to IEC standard 269 2 Refer to the wiring diagram for size 3 Supply the main voltage and check if it is within the allowable 10 limits of the nameplate rating The electrical main power supply must be arranged so that it can be switched on or off independently of the electrical supply to other items of the plant and equipment in general Refer to the wiring diagram terminals N L1 L2 and L3 4 Supply water to the evaporator and verify if waterflow is within the limits as given in the table under Water charge flow and quality on page 6 5 The piping must be completely purged See also chapter Checking the water circuit on page 5 6 Connect the flowswitch and pumpcontact so that the unit can only come in operation when the waterpumps are running and the waterflow is sufficient Make sure a water filter is installed before the water inlet of the unit 7T Connect the optional field wiring for pumps start stop 8 Connect the optional field wiring for remote control NOTE Wi to reduce the drilling in the unit to a minimum If drilling is impreventable remove the iron filling thoroughly in order to prevent surface rust Wi Itis necessary to read the operation manual deli vered with the unit before operating the
20. h of 100 m It gives the opportunity to place the water sensor near to the remote watercooled condenser in order to have a reliable condenser water inlet measurment Connecting sensors and power supply Sensors can be located up to 100 meters distance away from the controller provided that you use cables with O1 mm min To improve immunity against noises we recommend using shielded cables connect just one end of the shielding to the earth of the electrical panel LoA On 25 1 5 6 2 Switch box with connector X62A on I O PCB Sensor cable length 1 m Sensor Remote watercooled condenser Cable Interconnection IP67 ou R FIELD WIRING All field wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions given below Be sure to use a dedicated power circuit Never use a power supply shared by another appliance Parts table Main fuses for the unit H3P citri Indication lamp alarm HAR HSP Indication lamp operation compressor circuit 1 circuit 2 KTEKBE nett fancontactor PE Main earth terminal TS nnen Switch for remote cooling heating change over valve or dual setpoint SOS neten Switch for remote start stop or dual setpoint LL Field wiring Power circuit and
21. he service cover Contains fluorinated greenhouse gases covered by the Kyoto Protocol Lo 1 total refrige rant charge 14072 ka 2 Contains fluorinated 1 greenhouse gases covered by the Kyoto Protocol Installation manual 2 DAIKIN EWLP012 065KBW1N Condenserless water cooled water chillers 4PW61665 1A 2012 04 SELECTION OF PIPING MATERIAL _ A When a condenserless unit is installed below the 1 Foreign materials inside pipes including oils for fabrication condensing unit the following must be 30 mg 10 m or less B when the unit stops oil will return to the discharge side of the compressor When starting the unit this 2 Use the following material specification for refrigerant piping can cause liquid oil hammer construction material Phosphoric acid deoxidized seamless The oil circulation will decrease copper for refrigerant To solve these phenomena provide oil traps in the size Determine the proper size referring to Technical discharge pipe every 10m if the level difference is more specifications on page 1 than 10 m the pipe thickness of the refrigerant piping must comply with relevant local and national regulations For R407C the design if pressure is 3 3 MPa 1 remote condenser 3 In case the required pipe sizes inch sizes are not available it is 5 also allowed to use other diameters mm sizes taken the 3 discharge following i
22. ircuit breaker of the power circuit The operation of the water chiller is then controlled by the Digital Display Controller Shut down by switching off the controller and the circuit breaker of the power circuit A WARNINGS Emergency shut down Switch off the circuit breaker located on Air inlet and outlet Always keep the air inlet and outlet free to obtain the maximum cooling capacity and to prevent damage to the installation Refrigerant charge Use refrigerant R407C only First aid In case of injuries or accidents immediately inform gt Company management Ed gt Emergency physician Fire service 5 PRONG m 4PW61665 1 A 0000000Q Copyright 2010 Daikin DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Oostende Belgium 4PW61665 1A 2012 04
23. lockwise care not to let dust or moisture come into the piping Tighten the shaft firmly until it reaches the sealed area 4 of Protect the pipes with a cap or seal the pipe end the body completely with tape Tighten the cap firmly ul ui li H The discharge and liquid line are to be connected with flare connections to the remote condenser piping For use of the correct pipe diameter see Technical specifications on page 1 NOTE M Use a charging hose with push rod when using B piping length equivalent 50 the service port 5 maximum height 30 W Check for refrigerant gas leakage after tightening Make sure the pipes are filled with N during welding in the cap order to protect the against soot W Make sure to keep stop valve open during operation There should be no blockage stopvalve solenoid valve pe between the remote condenser and the provided liquid AT mini Do not purge the air with refrigerants Use a vacuum pump injection of the compressor to vacuum the installation Leak test and vacuum drying Charging the unit The units were checked for leaks by the manufacturer First perform a rough refrigerant charge according to the table After connection of the piping a leak test must be performed and the air in the refrigerant piping must be evacuated to a value of 4 mbars EWLP012 0 9 0 06xLLP VRCx0 38 absolute of vacuum pump EWLP020 1 5 0 12xLLP
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25. nto account 4 oil trap select the pipe size nearest to the required size E 5 liquid use the suitable adapters for the change over from inch to A gt 0 m mm pipes field supply ele 2 8 For the regulation the flare nuts on the stopvalves have to be replaced by flare solder connections CONNECTING THE REFRIGERANT CIRCUIT e The units eguipped with a refrigerant outlet discharge 2 1 A side and a refrigerant inlet liquid side for the connection to a remote condenser This circuit must be provided by a licensed technician and must comply with all relevant European and national regulations Connecting the refrigerant circuit B Use a pipe cutter and flare suitable for R407C Precautions when handling piping eenen If air moisture or dust gets in the refrigerant circuit problems may Make sure to use installation tools gauge manifold charge hose occur Therefore always take into account the following when etc that are exclusively used for R407C installations to connecting the refrigerant piping withstand the pressure and to prevent foreign materials e g 1 Use clean and dry pipes only aes oils such as SUNISO and moisture from mixing into the A 2o Held the pipe Waits When TEmoving Burre Vacuum pump use a 2 stage vacuum pump with a non return 3 Cover the pipe end when inserting it through a wall so that no dust valve
26. of fire due to leakage of inflammable gas 4 Select the location of the unit in such a way that the sound generated by the unit does not disturb anyone 5 Ensure that water cannot cause any damage to the location in case it drips out of the unit The equipment is not intended for use in a potentially explosive atmosphere INSPECTING AND HANDLING THE UNIT At delivery the unit should be checked and any damage should be reported immediately to the carrier claims agent UNPACKING AND PLACING THE UNIT 1 Outthe straps and remove the cardboard box from the unit 2 Outthe straps and remove the cardboard boxes with waterpiping from the pallet 3 Remove the four screws fixing the unit to the pallet 4 Levelthe unit in both directions 5 Use four anchor bolts with M8 thread to fix the unit in concrete 6 Remove the service front plate IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED This product is factory charged with N2 The refrigerant system will be charged with fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere R407C 1652 5 Refrigerant type GWP value 1 GWP global warming potential Please fill in with indelible ink Wi the total refrigerant charge on the fluorinated greenhouse gases label supplied with the product The filled out label must be adhered on the inside of the product and in the proximity of the product charging port e g on the inside of t
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28. owswitch 1x T joint 4 flowswitch must be installed in the water outlet pipe of the evaporator to prevent the unit from operating at a water flow which is too low A It is very important to install the flowswitch as shown in the figure Observe the position of the flowswitch in relation to the direction of the water flow If the flowswitch is mounted in an other position the unit is not protected properly against freezing X65A 2 A terminal X65A is provided in the switch box for the electrical connection of the flowswitch S10L 5 Shut off valves must be installed at the unit so that normal servicing of the water filter can be accomplished without draining the complete system 6 Air purge valves must be provided at all high points of the system The vents should be located at points which are easily accessible for servicing 7 The water filter must be installed in front of the unit for removing dirt from the water to prevent damage to the unit or blockage of the evaporator The water filter must be cleaned on a regular base WATER QUALITY SPECIFICATIONS evaporator water ekat tendency if out of lt 20 C supply water criteria Items to be controlled pH at 25 C 6 8 8 0 6 8 8 0 A B jt ame lt E Chloride ion mg Cr lt 50 lt 50 A Sulfate ion mg 502 7 lt 50 lt 50 A M alkalinity pH 4 8 mg CaCO 1 lt 50 lt 50 B Total hardn
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30. sor 2 H Changeable remote inputs Following functions can be assigned to a total of 2 digital inputs remote start stop remote cooling heating dual setpoint OPERATION RANGE EWLP012 030 EWLP040 065 4 A C CT C CT 65 65 BO 50 50 a b Z o E 0 109 056 239 C 10 LWE _ 2 C CT Condensing temperature bubble LWE Leaving water temperature evaporator a Glycol b Water Standard operation range MAIN COMPONENTS refer to the outlook diagram supplied with the unit Compressor Evaporator Accumulator Switchbox Chilled water in Chilled water out Discharge stop valve Liguid stop valve Oa RAON Evaporator entering water temperature sensor Freeze up sensor a Digital display controller N Power supply intake Ball valve field installed Water filter field installed Air purge valve field installed hk a n T joint for air purge field installed Flowswitch with T joint field installed Main switch SELECTION OF LOCATION The units are designed for indoor installation and should be installed in a location that meets the following reguirements 1 The foundation is strong enough to support the weight of the unit and the floor is flat to prevent vibration and noise generation 2 The space around the unit is adequate for servicing 3 There is no danger
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32. unit It will contribute to understand the operation of the unit and its electronic controller Wi Verify on the wiring diagram all electrical actions mentioned above in order to understand the operation of the unit more deeply B Close all switch box doors after installation of the unit do confirm having executed and checked all the above mentioned items Date Signature Keep for future reference How TO CONTINUE After installation and connection of the packaged water cooled water chiller the complete system must be checked and tested as described in Checks before initial start up in the operation manual supplied with the unit Fill out the brief operation instructions form and fix it visibly near the operating site of the refrigeration system EWLP012 065KBW1N Condenserless water cooled water chillers 4PW61665 1A 2012 04 DAIKIN Installation manual 7 DAIKIN BRIEF OPERATION INSTRUCTIONS y EWLP KB Condenserless water cooled water chiller Equipment supplier Service department Manufacturer DAIKIN EUROPE Power supply V Ph Hz A Maximum high pressure 30 9 bar Serial Number Eo a taa a teata Charging weight kg R407C Year of construction START UP AND SHUT DOWN Start up by switching on the c
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