INSTALLATION MANUAL
Contents
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5. 3 condenser water inlet outlet inch 3 88 9 mm OD Model EWWD 500 520 540 Dimensions HxWxD mm 2000x2672x898 Weight machine weight kg 3034 3150 3346 operation weight kg 3156 3281 3485 Connections chilled water inlet outlet inch 3 88 9 mm OD condenser water inlet outlet inch 3 88 9 mm OD 1 Victaulic coupling Electrical specifications Model EWWD 120 540 Power circuit Phase 3 Frequency Hz 50 Voltage V 400 Voltage tolerance 10 Options and features MENT OR ACCESSORIES COULD RESULT IN ELECTRIC Options SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAM Suction stop valve AGE TO THE EQUIPMENT BE SURE ONLY TO USE A dvolimet ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFI aibi CALLY DESIGNED FOR USE WITH THE EQUIPMENT AND B Main isolator switch HAVE THEM INSTALLED BY A PROFESSIONAL m Dual pressure relief valve on the condenser ALWAYS CONTACT YOUR DAIKIN DEALER FOR ApvicE 5 LOW noise operation AND INFORMATION BMS Connection MODBUS J BUS BACNET LON Features B Glycol application for leaving evaporator water down to 10 C INTRODUCTION Daikin Integrated Chiller Network DICN m Liquid line solenoid valve The Daikin EWWD MBYNN packaged water cooled water chillers Sight glass with moisture indication are designed for indoor installation and used for cooling applications only The units are available in 9 st
6. 4 Goto the screen which contains the parameter to be modified by using the v and keys 5 X Position the cursor behind the parameter to be modified using the key 6 Select the appropriate setting using the and keys 7 Press to confirm the modification When the modification has been confirmed the cursor switches to the next parameter which can now be configured 8 Place the cursor in the top left corner of the screen when you are finished changing the parameters on this screen 9 Repeat from instruction 4 onwards to modify other parameters Setting of the minimum outlet water temperature It is possible to change the minimum outlet water temperature OUTWATER in the service menu Before lowering the minimum outlet water temperature m Make sure that sufficient glycol is added to the water system according to the table m Make sure that the low pressure safety is lowered according to the table minimum outlet water OUTWATER 2 C 0 C 5 C 10 C Weight of ethylene glycol 96 10 20 30 40 Weight of propylene glycol 15 25 35 40 Low pressure setting bar 0 8 0 6 0 2 0 2 T Improper setting of the minimum outlet water temperature can result in severe damage of the equipment Defining a unit in a setup of a DICN system Change the setting of MS to on each unit Setting the password for safety reset To avoid resetting of saf
7. auies ne Ca 20 sejeja1 SIU uoruw 0 ay yey rjigisuodsei ejos sj sapun 0 N N uea DiH3ASLILIWHO3NOO 39 ILINYOINOD 3G NOILVYEV 1940 39 oNNYYTAYISLYLINWHOJNOY 39 ALINYOINOO JO NOILVEV 1030 39 SHZU0OdOWINAS HZUVHV 39 VLINYOINOD1G SNOIZVYVIHOIG 39 QVGINYOINOO AG NOIVEV 1040 39 DAIKIN EWWD120MBYNN EWWD280MBYNN EWWDS500MBYNN EWWD180MBYNN EWWDS360MBYNN EWWD520MBYNN EWWD240MBYNN EWWD440MBYNN EWWD540MBYNN CONTENTS Page MOGUC de SN Rm ORE 1 Technical specifications quEd n idee 1 Electrical E EnEn 1 eeigen 1 Standard supplied ACCOS SOMES ouostatesadiitmpipd dedi o bid NEQU PRU AR M nadeel 2 Operalon Tange t T OO D 2 Main compone flo ases reu I setes eene 2 Selection of location nnn an ennn enne nnnn ene senn ene eennnen rna ene ennn 2 Inspecting and handling the unit 2 Unpacking and placing the UNK aoo trt etin qe etnies 3 Important information regarding the refrigerant used d Preparing checking and connecting the water circuit 3 Water charge flow and quality eenn eenen vennen 4 Pipino rio ev UN 5 Discharge from
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9. be 1 4 GAS female thread and should be located in the mixed waterflow of the chillers Make sure that the sensortip is in the waterflow and that you have a length of straight pipe L of at least 10x the pipe diame ter A before the sensor Choose the position of insertion in a way that the cable length of the sensor 12 m is long enough to be attached to the master PCB WATER CHARGE FLOW AND QUALITY To assure proper operation of the unit the water flow through the evaporator must be within the operation range as specified in the table below and a minimum water volume is required in the system Minimum water flow Maximum water flow EWWD120 175 l min 700 l min EWWD180 265 l min 1070 l min EWWD240 350 l min 1400 l min EWWD280 400 l min 1600 l min EWWD360 525 l min 2100 l min EWWD440 625 l min 2500 l min EWWD500 700 l min 2800 l min EWWD520 750 l min 3000 l min EWWD540 800 l min 3200 l min The minimum water volume v I in the system must fullfill the criteria below v Q 2 xt CxAT Q highest cooling capacity of the unit in lowest capacity step within the range of application KW t antirecycling timer of unit AREC 2 s 300 s C specific heat capacity of the fluidum kJ kg C 4 186 kJ kg C for water AT temperature difference between starting and stopping of the compressor AT a 2b c for designation of a b and c refer to the operation manual NOTE For units in a DICN configurati
10. changeable digital output m 1 CLOSED no function is appointed to the changeable digital output but the output is closed REU VALVE can be used to steer a cooling heating reversing valve m 2H PUMP can be used to steer a second evaporator pump B CONDENSER PUMP can be used to steer the condenser pump if CAPACITY indicates when the unit is working at 100 Possible configurations for the changeable analog input are HOME no function is appointed to the changeable analog input SETP SIGH 810 SETP SIGH SETF SIGH B ZBmH SETF SIGH 4 28mA This allows the user to define a setpoint in function of an analog input as mentioned above Refer to Defining the setpoint signal setting on page 8 12 OUTL WATER to control the leaving water temperature of a DICN system Defining the setpoint signal setting The setpoint signal is used to change the setpoint by an external analog input signal on a stand alone unit or on Slave 1 in a DICN system Example in setpoints menu gt gt IMLSETP1 E 1 INLSETP2 E 12 OUTLSETP1 E Bf OUTLSETPS E B in service menu CHAHG INP OUTPUTS HIi SETF SIGH 8 111 HAA SETF DIF 5 8 C Remark MAA SETP DIFF is only available when input SETP SIGH 0714 Ar HL B or 4 2EmH is selected Result Display in readout menu A atOV gt 12 0 C IHLSETP1 E 12 8 C B ati1V gt 12
11. during transport the water inlet pipe with the flowswitch and the water inlet temperature sensor and the water outlet pipe with the outlet water temperature sensor are not factory mounted m Connecting the water inlet pipe containing the flowswitch and inlet water temperature sensor not for EWWD120 The water inlet pipe containing the flowswitch and inlet water temperature sensor is mounted on the side of the water inlet of the evaporator s and is pre insulated Cut the tie wraps and fix the pipe with the supplied Victaulic couplings to the evaporator inlet s m Connecting the water outlet pipe containing the outlet water tem perature sensor not for EWWD120 The water outlet pipe containing the outlet water temperature sensor is mounted on the side of the water outlet of the evapora tor and is pre insulated Cut the tie wraps and fix the pipe s with the supplied Victaulic couplings to the evaporator outlet s B After installation of the water inlet and outlet pipes and as a general rule for other units it is recom mended to check the insertion depth of the water temperature sensors into the connection pipes prior to operation see figure 50 mm Installation manual DAIKIN EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B Connecting the filter B The filer kit supplied with the unit must be installed in front of the evaporator water inlet by means of the supplied Victaulic co
12. of 300 mm The edge of the concrete base should be planed IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R134a GWP value 1300 1 GWP global warming potential The refrigerant quantity is indicated on the unit name plate PREPARING CHECKING AND CONNECTING 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 If air or dirt 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 1 Preparing the unit for connection to the water circuit A box containing Victaulic couplings and a filter is delivered with the unit Water inlet of the evaporator Flowswitch Inlet water sensor N Water inlet pipe containing the flowswitch and the water inlet temperature sensor Victaulic coupling Counter pipe Field water piping circuit Filter N OO A Filter end cap As not to damage the parts of the units
13. of the flowswitch es to prevent the unit from operating without water flow A terminal is provided in the switch box for the electrical connection of the interlock contact For units in a DICN configuration every chiller can either have an individual circulation pump or 1 pump can discharge water in a distributor that leads water to several chillers In both cases all units must be equipped with an interlock contact NOTE Normally the unit will not operate if there is no flow Wm thanks to the standard installed flowswitch But as to have a double safety you must install the pump interlock contact in series with the contact of the flowswitch Operating the unit without flow will result in very severe damage to the unit freezing of the evaporator B Voltage free contacts The controller is provided with some voltage free contacts to indicate the status of the unit These voltage free contacts can be wired as described on the wiring diagram The maximum allowable current is 4 A m 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 For units in DICN configuration note the following e Switch for remote on off Units with status HORMAL or STHHDE will be controlled by the remote on off switch connected to the chiller defined as MASTER Units with status DISCOMMECT OH OFF are controlled by the switch connected to t
14. the remote start stop switch S6S M which is connected to the master unit m The setpoint can be switched from INLETSETF1 to IHLETSETPZ using the dual setpoint selection switch 5105 which is connected to the master unit NOTE K P can also be a 24 V DC or 230 V AC contactor Parameter settings of the units Usersettings menu Slave 3 Slave 2 Slave 1 Master CI SCONHECT DH DFF HORMAL IF COMPR ON COMPR ON COMPR OM COMPR Changeable inputs outputs must be defined as follows Service setting menu Slave 3 Slave 2 Slave 1 Master Terminal 76 78 DUAL RE UE Terminal 76 79 REMOTE REMOTE S6S DI2 ON OFF ON OFF AU Terminal 8 8 Mere Remark Slave 3 can be configured to start up automatically if m 1 ofthe other units is in alarm or B all other units are running on full capacity and the setpoint is not reached yet To have your slave unit act this way set its mode to STANLEY In this case S6S S3 has no function EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B DAIKIN Installation manual 10 NOTES Installation manual DAIKIN EWWD120 540MBYNN 1 1 Packaged water cooled water chillers 4PW22684 1B DAIKIN BRIEF OPERATION INSTRUCTIONS y EWWD MBYNN Packaged wate
15. thermostat settings Defining the thermostat settings for inlet and outlet water temperature of a b and c can only be set the service menu To define the thermostat settings of the inlet and outlet water temperature STEPL SERVICE HOW TO CONTINUE After installation and connection of the packaged water cooled water chiller the complete system should 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 EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B DAIKIN Installation manual ANNEX Installation examples for a DICN configuration INTRODUCTION This annex introduces 3 installation examples to help you set up your Daikin Integrated Chiller Network or DICN configuration Defining a unit in a setup of a DICN system Change the setting of MS OPTION to on each unit EXAMPLES Field wiring and wiring parts table A All field wiring and components must be installed by a licensed electrician and must comply with relevant Euro pean and national regulations The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and instructions given below Be sure to use a dedicated power circuit Never use a power supply shared by another appliance A
16. 0 C 5 0 C 17 0 C IHLSETP1 E 17 8 C Setting of the probe offset It is possible to enter a correction value for certain measured temperatures inlet water evaporator temperature and mixed outlet water evaporator temperature This in order to correct a possible measurement fault The default value of the probe offset is equal to 0 Steering the pump manually There is the possibility to turn the pump on or off manually This means that when the unit is off the pump can also be turned on at any time to check the pump Defining the BMS settings The BMS parameters allowing communication between the unit and the supervisory system can be modified with the BMS SETTINGS and the BMSBOARD SETTINGS screen of the service menu The BMS parameters are BMS SETTINGS screen EN BEMS CONTROL ALLOWED if set to yes the unit can be commanded and configured from a supervisory system If set to H no the supervisory system can only read out values but cannot modify them EMS RDDR PCB used to address the PCB PROTOCOL indicates the communication protocol If the optional gateway is used to connect the units to a supervisory system the protocol 15 CAREL BMSB HRD SETTINGS screen m SER BOARD indicates the type of serial connection The default is set to R5485 m BAUC RATE indicates the speed of communication The default setting of 19288 brs must be used when the optional gateway is connected Defining the
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18. DAIKIN INSTALLATION MANUAL Packaged water cooled water chillers Compact Line EWWD120MBYNN EWWD180MBYNN EWWD240MBYNN EWWD280MBYNN EWWD360MBYNN EWWD440MBYNN EWWDSOOMBYNN EWWD520MBYNN EWWD540MBYNN SLAVE 3 SLAVE 1 N L1 L2 L3 73 74 75 76 77 78 79 73 74 75 e 77 e L 1 A ______ _____ _____ SLAVE 2 SLAVE 2 N L1 L2 L3 N L1 L2 L3 N L1 L2 L3 N L1 L2 L3 F15 F4 F5 F6 F17 F7 F8 F9 F19 F10 F11 F12 230V 230V 230V 24V 20 1 73 74 79 76 77 73 74 79 76 77 78 79 _____ _____ _____ L1 L2 L3 N Li L2 L3 F19 F10 11 12 epueisoo ODE IeeJisepiooApueZ AN 2d0una NDIIVOI lt 4 gt vevejnb n njwnjo 3 9106 euiseyijnJas lt gt epuise soq ide lt q gt yesejo njunj lt g gt 106 euiseyijnJas lt 9 gt 1916 epuise soq Ide XIuer v GZ njeyurue ejpod 4 uenovijdy 3 euepnsod e lt q gt erynujsuoy feyoluup eoqng euenouejs oj af OYE py 9 njeyumue ejpod lt g gt euepnsod e y eiynujsuoy feyoruuoe eJoqng A eueouejs 0 ef oye pz 9 95 oy lt 4 gt ejepes ebyuyaid
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22. allation manual 4 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 DISCHARGE FROM PRESSURE RELIEF DEVICES Discharge of the refrigerant into installation area has to be in accor dance with local regulations If required it is possible to connect a 1 pipe to each pressure relief valve on the condenser Cross section and lenght of the discharge line must comply with local codes FIELD WIRING A All field wiring and components must be installed by a licensed electrician and must comply with relevant Euro pean 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 NOTE Verify on the wiring diagram all electrical actions mentioned below in order to understand the operation of the unit more deeply Parts table dE Main fuses for the unit ATAP eas oce Indication lamp general operation Ee Indication lamp alarm 19 OP Indication lamp operation compressor 1512025 EEE Main supply terminals PE urne Main earth terminal SE Changeable input 1 Sto Flowswitch Odd Contact tha
23. andard sizes with nominal cooling m Voltage free contacts capacities ranging from 120 to 540 kW tn operation pumpcontact The EWWD units can be combined with Daikin fan coil units or air operation circuit 1 handling units for air conditioning purposes They can also be used operation circuit 2 only for EWWD360 540 for supplying chilled water for process cooling The present installation manual describes the procedures for unpack ing installing and connecting the EWWD units 1 Refer to the operation manual or engineering data book for the complete list of specifications options and features Installation manual DAIKIN EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B m Changeable voltage free contacts e 100 unit signal second evaporator pump condenser pump e cooling heating reversing valve m Changeable remote inputs e remote start stop dual setpoint e enable disable capacity limitation remote cooling heating m Changeable analog input Setpoint signal stand alone unit or slave 1 unit in a DICN system 0 1 V 0 10 V 0 20 mA or 4 20 mA evaporator outlet water sensor of a DICN system only on master unit B Multiple language selection m Schedule timer m Floating setpoint Standard supplied accessories B Filter kit for installation in front of the evaporator water inlet OPERATION RANGE 20 LWE C 40 4 1820 gt LWC Leaving wa
24. e contact of the flowswitch es so that the unit can only come in operation when the waterpumps are running and the water flow is sufficient For DICN configurations every chiller shall have its own flowswitch and shall be interlocked with the pump from which it gets the flow 8 Check the oil level in the compressors 9 Install the filter kit s supplied with the unit in front of the evaporator s water inlet 10 Check that all the water sensors are correctly fixed into the heat exchanger see also the sticker attached to the heat exchanger NOTE m It is necessary to read the operation manual iW delivered with the unit before operating the unit It will contribute to understand the operation of the unit and its electronic controller m Close all switch box doors after installation of the unit do confirm having executed and checked all the above mentioned items Date Sign KEEP FOR FUTURE REFERENCE CUSTOMIZATION IN THE SERVICE MENU All customized settings must be done by a licensed technician To change a setting in the service menu 1 Enter the usersettings menu as indicated in the operation manual and press the v key to go to the last screen to enter the service menu this is only possible if the unit is off 2 Enter the correct password using the and keys The password can be found in the service manual 3 Press to confirm the password and enter the service menu
25. eties by unqualified persons the user pass word is asked by default when resetting a sefety This password however can be changed to SERVICE PASSWORD or to Since inadequate resetting of safeties can damage the gn machine it is advised to keep the default setting of USER PASSWORD Setting of compressor running hours When the displayed running hours do not comply with the actual running hours of the compressor it is possible to change the running hours to comply Installation manual DAIKIN EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B Defining of the changeable digital analog inputs and outputs Besides locked inputs and outputs there are a number of changeable inputs and outputs of which the function can be chosen from several possibilities Possible functions for changeable digital inputs are function is appointed to the changeable digital input STATUS function is appointed to the changeable digital input but the input status can be read in the input output menu CUAL SETPOIHT to switch between setpoints REMOTE ON OFF to remotely switch the unit on or off B CHF LIM 132254 to limit the capacity of the unit to the entered values m REMOTE COOL HEAT to remotely switch the unit between cooling and heating Possible functions for the changeable digital output are B COPEH no function is appointed to the
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27. hem See also operation manual Selecting local or remote on off control e Remote dual setpoint switch The remote dual setpoint switch should only be connected to the chiller defined as MASTER However in case the master drops out because of e g a power sup ply failure it might be interesting to have the dual temperature switch installed to the other units as well Installation manual DAIKIN EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B Connection and setup of a DICN system See Annex Installation examples for a DICN configuration on page 9 For a system with chillers in a DICN configuration the chillers have to be connected as shown in the figure below Make the connection as shown on the wiring diagram using an AWG20 22 shielded cable made up of a twisted pair plus shield Pay attention to the polarity TX on one chiller must be connected to TX on another chiller The same for and GND Setting the adresses on the digital controller Set the addresses on the PCB by means of DIP switches according to the drawing below Master Slave 1 Slave 2 Slave 3 Any unit can be master slave 1 slave 2 slave 3 PCB address Where to find the DIP switches of the digital controller Important Be sure to attach in case of common leaving water control the optional temperature sensor Cable for remote digital controller See remote digital controlle
28. here to find the DIP switches of the EEV drivers EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B DAIKIN Installation manual BEFORE STARTING A 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 go through before starting the unit 1 Check for external damage 2 Open all shut off valves indicated by a red label OPEN THIS VALVE BEFORE OPERATION Open the liquid line dis charge and suction if provided stop valves completely 3 Install mainfuses earth leak detector and mainswitch Recommended fuses aM according to IEC standard 269 2 Refer to the wiring diagram for size 4 Supply the main voltage and check if it is within the allowable 10 limits of the nameplate rating The electrical main power supply should 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 L1 L2 and L3 5 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 4 6 The piping must be completely purged See also chapter Pre paring checking and connecting the water circuit on page 3 7 Connect the pump contact s in series with th
29. ll customized settings must be done by a licensed technician EM Field wiring nr Earth wiring B Leer radios Terminal on the unit ETE rene Fuses K1P KAP Pump contact S9L on main wiring diagram LT ES LIN S meses Main supply terminals MAPA MP Pump motor Sensor for common leaving water in DICN system EKCLWS HOT Sensor for secondary circuit Dm Manual switch for pump of master unit 565 53 Remote start stop switch Dual setpoint selection switch bam 3 way valve Example 1 Single ring system with 1 pump Figure 1 shows the system configuration field wiring and terminals for field wiring of this example Purpose Purpose of this system is to deliver a constant water flow at a con stant temperature to a particular load One unit slave 3 S3 is kept as a standby unit Setup m The system is controlled on leaving water temperature It is required to install the additional sensor R8T EKCLWS in the mixed water outlet and to connect it to the PCB of the master unit The pump keeps running as long as 1 of the units is ON After switching OFF all units the pump runs for a time indicated by the FUMPLAG setting Slave 3 S3 is configured to operate when its remote start stop switch S6S S3 is pushed by the operator Slave 1 51 slave 2 52 and the master unit M are switched ON or OFF using the remote start stop switch S6S M which is c
30. ned as follows Service setting menu Slave 3 Slave 2 Slave 1 Master Terminal 76 78 DUAL SE HOHE HOHE mori Terminal 76 79 REMOTE REMOTE 565 DI2 ON OFF ON OFF IRSE HOHE Terminal 8T 8T MS OUTL nn HOHE HOHE HOHE Slave can be configured to start up automatically if Bg 1 of the other units is in alarm or B all other units are running on full capacity and the setpoint is not reached yet To have your slave unit act this way set its mode to STAHDE Y In this case S6S S3 has no function Example 3 Double ring system with several pumps Figure 3 shows the system configuration field wiring and terminals for field wiring of this example Purpose Purpose of this system is to keep a buffer at a constant temperature and to feed a load from this buffer One unit slave 3 S3 is kept as a standby unit Setup The system is controlled on entering water temperature m The pumps of the slave units only run when their compressor is running energy saving the pump runs for a time indicated by the PUMPLAG setting m The pump of the master unit must run continuously so as to sense the correct temperature B Slave 3 S3 is configured to operate when its remote start stop switch S6S S3 is pushed by the operator B Slave 1 51 slave 2 52 and the master unit M are switched ON or OFF using
31. nit on a solid and level foundation The unit should be installed on a solid base It is recommended to fix the unit on a concrete base with anchor bolts Anchor bolt Washer Rubber plate Row cork or rubber sheet Ground Concrete floor Ditch 0 B DO Fix anchor bolts into the concrete foundation When finally fixing the unit by means of these anchor bolts make sure that the washers for channel DIN434 and both field supplied rubber plates and field supplied raw cork or rubber sheets for better vibration protection are installed as indicated The concrete foundation should approximately be 100 mm higher than the floor level for ease of plumbing work and better drain Anchor bolt Model A Size EWWD120 180 300 M20x200 4 EWWD240 280 350 M20x200 4 EWWD360 540 350 M20x270 4 e Make certain that the foundation surface is even and flat NOTE m The measurement tabulated is based on the fact tn the base is made in the ground or on a concrete floor In case the base is made on a rigid floor it is possible to include thickness of concrete floor in that of the base In case a base is made on concrete floor make sure to provide a ditch as shown It is important to extract drainage regardless of whether a base is made in the ground or on the concrete floor ditch sewerage m Ingredient ratio of the concrete is cement 1 sand 2 and gravel 3 Insert iron bars of 10 at every interval
32. on the minimum hs required water volume in the system must equal the gt biggest required minimum volume of every individual chiller in the system The water quality must be in accordance with the specifications listed in the table below circulating supply tendency if water water out of criteria Items to be controlled 5 corrosion pH at25 C 6 8 8 0 6 8 8 0 foie E mS m corrosion Electrical conductivity at 25 C 40 30 scale Chloride ion mg lt 50 lt 50 corrosion Sulfate ion mg 50477 50 50 corrosion M alkalinity pH4 8 CaCOj l 50 50 scale Total hardness mg CaCO I 70 70 scale Calcium hardness mg CaCOj l 50 lt 50 scale Silica ion mg 5102 1 lt 30 lt 30 scale Items to be referred to corrosion lron mg Fe l lt 1 0 lt 0 3 Copper mg Cu l lt 1 0 lt 0 1 corrosion 2_ not not mg S detectable detectable NOTIS Ammonium ion mg NH4 1 1 0 0 1 corrosion Remaining chloride mg CI I 0 3 0 3 corrosion Free carbide mg 2 4 0 4 0 corrosion T corrosion Stability index The water pressure should not exceed the maximum working pressure of 10 bar NOTE Provide adequate safeguards in the water circuit to make sure that the water pressure will never exceed the maximum allowable working pressure EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B DAIKIN Inst
33. onnected to the master unit The setpoint can be switched from OUTLETSETP1 to DUTLETSETP2 using the dual setpoint selection switch 5105 which is connected to the master unit NOTE m also be a 24 V DC or 230 V AC contactor NW Ww The additional sensor R8T EKCLWS must be connected directly to the PCB of the master unit Parameter settings of the units Usersettings menu Slave 3 Slave 2 Slave 1 Master DISCOHHECT DH DFF HORMAL MORMAL IF UNIT OH UHIT UMIT UHIT OH Changeable inputs outputs must be defined as follows Service setting menu Slave 3 Slave 2 Slave 1 Master Terminal 76 78 DUAL LAE NONE SETPOINT Terminal 76 79 REMOTE REMOTE 565 DI2 ON OFF ee ON OFF HOHE p o Terminal 8T 8T MS OUTL hes Remark Slave 3 can be configured to start up automatically if B 1 of the other units is in alarm or B allother units are running on full capacity and the setpoint is not reached yet To have your slave unit act this way set its mode to STANLEY In this case S6S S3 has no function Installation manual DAIKIN EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B Example 2 Single ring system with separate pumps Figure 2 shows the system configuration field wiring and terminals for field
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35. pressure relief 5 Field re RR PI 5 E 5 Power circuit and cable requirements nnen 5 Connection of the watercooled water chiller power supply seser 5 Interconnection GADES asen quic aca tete ma 5 Connection and setup of a DICN 6 Cable for remote digital controller 6 Sr STAN N E 7 Customization in the service menu 7 EEE NEEDLE 8 Thank you for purchasing this Daikin air conditioner A READ THIS MANUAL ATTENTIVELY BEFORE STARTING UP THE UNIT DO NOT THROW IT AWAY KEEP IT IN YOUR FILES FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIP Packaged water cooled water chillers Installation manual Technical specifications Model EWWD 120 180 240 Dimensions HxWxD mm 1014x2672x930 Weight machine weight kg 1000 1273 1527 operation weight kg 1032 1318 1588 Connections chilled water inlet outlet inch oe 3 88 9 mm OD 76 mm OD e condenser water inlet outlet inch 2 1 2 3 88 9 mm OD Model EWWD 280 360 440 mm 1014x2672 Dimensions HxWxD 2000x2672x930 x930 Weight machine weight kg 1613 2546 2800 operation weight kg 1693 2636 2902 Connections chilled water inlet outlet inch 88 9 mm OD
36. r cooled water chiller Equipment supplier Service department Manufacturer DAIKIN EUROPE Power supply V Ph Hz A E Model Am Maximum high pressure n 20 bar Serial Number TE Charging weight kg R134a Year of construction i START UP AND SHUT DOWN Start up by switching on the circuit 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 WARNINGS Emergency shut down 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 R134a only First aid In case of injuries or accidents immediately inform Company management Phone sk Emergency physician Phone Fire service DAIKIN EUROPE NV Zandvoordestraat 300 B 8400 Oostende Belgium 4PW22684 1B
37. r in the operation manual 1 A remote digital controller can be connected to the PCB inside the unit by means of a 6 ray cable and a connector located on the rear side of the remote digital controller in case you prefer to operate the unit from a distance You are allowed to use a cable of up to 600 metres EWWD120 280 or 300 metres EWWD360 540 Specifications of the cable 6 ray telephone cable with a maximum cable resistance of 0 1 m 2 Forunits in a DICN configuration the digital controllers of the units can be installed remotely at a distance of up to 50 metres by using a 6 ray telephone cable with a maximum cable resis tance of 0 1 m Setting the adresses on the remote digital controller When a remote digital controller is used the adress has to be set by means of DIP switches according to the drawing below Master Slave 1 Slave 2 Slave 3 Any unit can be master slave 1 slave 2 slave 3 Remote digital controller address Where to find the DIP switches of the remote digital controller A To avoid damage to the controllers liquid crystals during winter time do not shut off the main power supply Setting the adresses on the EEV drivers When EEV drivers are used the adresses has to be set by means of DIP switches according to the drawing below Master Slave 1 Slave 2 Slave 3 imu Hh hi Wn EEV 2 driver Any unit can be master slave 1 slave 2 slave 3 W
38. t closes if the pump is working Changeable input 2 Changeable input 3 od prio ERN Changeable input 4 ERE Main isolator switch een Field wiring Power circuit and cable requirements 1 The electrical power supply to the unit should 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 For a system with chillers in a DICN configuration be sure to provide a separate power circuit for every chiller A Switch off the main isolator switch before making any connections switch off the circuit breaker remove or switch off the fuses Connection of the watercooled water chiller power supply 1 Using the appropriate cable connect the power circuit to the L1 L2 and L3 terminals of the unit In case the option main isolator switch is installed on the unit the power circuit must be connected to the terminals 2 4 and 6 of the main isolator switch 2 Connect the earth conductor yellow green to the earthing terminal PE Interconnection cables A A pump interlock contact must be installed in series with the contact
39. ter temperature condenser LWE Leaving water temperature evaporator Standard operation range Range for pull down operation MAIN COMPONENTS refer to the outlook diagram supplied with the unit 1 Compressor 2 Evaporator 3 Condenser 4 Switchbox 5 Compressor switchbox 6 Air purge condenser 7 Water drain condenser 8 Charge valve 9 Safety valve 10 High pressure switch 11 Drier 12 Chilled water in 13 Chilled water out 14 Condenser water out 15 Condenser water in 16 Entering water temperature sensor R3T 17 Leaving water temperature sensor R4T 2 Can be used for night set back and or peak power limitation A kWh gauge is connected to a voltage free contact If the contact is enabled circuit 1 2 will be limited to a preset capacity step 18 Discharge stopvalve 19 Condenser entering water temperature sensor 20 Digital display controller 21 Emergency Stop S5E 22 Power supply intake 23 Field wiring intake 24 Eyebolts for lifting 25 Transportbeam 26 Ballvalve liquid pipe 27 Main isolator switch optional S13S 28 Filter 29 Flowswitch SELECTION OF LOCATION This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures The units are designed for indoor installation and should be installed in a location that meets the following requirements 1 foundation is strong enough to support the
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41. uplings as shown in the figure The filter has holes of diameter 1 0 mm and secures the evaporator against clogging m Improper installation of the supplied filter will result in severe damage of the equipment freezing of the evaporator A field supplied blow down port for flushing fluid and accumu lated material from inside the filter can be connected on the filter end cap Connecting the counter pipes Weld the supplied counter pipes to the ends of the water circuit and connect to the unit with the provided Victaulic couplings 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 The drain plug is provided to drain the con denser When doing this also remove the air plugs refer to the outlook diagram Air vents must be provided at all high points of the system The vents should be located at points which are easily accessible for servicing Shut off valves should be provided at the unit so that normal ser vicing can be accomplished without draining the system Vibration eliminators in all water piping connected to the chiller are recommended to avoid straining the piping and transmitting vibration and noise For units in a DICN configuration with common leaving water control be sure to foresee an insertion hole for the additional water temperature sensor Sensor and sensor holder are optional parts The insertion hole shall
42. weight of the unit and the floor is flat to prevent vibration and noise generation The space around the unit is adequate for servicing There is no danger of fire due to leakage of inflammable gas 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 NOTE Pull down operation is restricted to one hour maximum INSPECTING AND HANDLING THE UNIT At delivery the unit should be checked and any damage should be reported immediately to the carrier claims agent LEES Rf n When handling the unit take into account the following 1 Liftthe unit preferably with a crane and belts in accordance with the instructions on the unit The length of the ropes 1 to be used for lifting are 4 m minimum each 2 The unit is shipped with wooden beams 2 under it these have to be removed before installation NOTE Try to reduce the drilling in the unit to a minimum If mq drilling is impreventable remove the iron filling thoroughly in order to prevent surface rust EWWD120 540MBYNN Packaged water cooled water chillers 4PW22684 1B DAIKIN Installation manual UNPACKING AND PLACING THE UNIT 1 Remove the wooden beams from the unit 2 Install vibration mountings in case of an installation where noise and vibration might be an impediment 3 Set the u
43. wiring of this example Purpose Purpose of this system is to deliver a constant water flow at a constant temperature to a particular load One unit slave 3 S3 is kept as a standby unit Setup m The system is controlled on leaving water temperature It is required to install the additional sensor R8T EKCLWS in the mixed water outlet and to connect it to the PCB of the master unit Pump 1 pump 2 and pump 3 keep running as long as the mas ter unit slave 1 or slave 2 are ON Pump 4 only starts running if slave 3 is switched ON After switching OFF the units the pump runs for a time indicated by the PLIMPLRG setting Slave 3 S3 is configured to operate when its remote start stop switch S6S S3 is pushed by the operator Slave 1 S1 slave 2 S2 and the master unit M are switched ON or OFF using the remote start stop switch 565 which is connected to the master unit The setpoint can be switched from OUTLETSETP1 to DUTLETSETP2 using the dual setpoint selection switch 5105 which is connected to the master unit NOTE BN KP can also be 24 V DC or 230 V AC contactor 5 The additional sensor R8T EKCLWS must be connected directly to the PCB of the master unit Parameter settings of the units Usersettings menu Slave 3 Slave 2 Slave 1 Master DISCOUMHMECT MODE DH DFF HORMAL HORMAL NORMAL IF UHIT UHIT ON UNIT ON UNIT OH Changeable inputs outputs must be defi
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