INSTALLATION MANUAL
Contents
1. Wels als cm TRI 888 ke 1 8 0 e TRI vu A ae EA C 5 X9A i 9 fale m Up ls pe K3M E a X13A M 1 89 elelele e i 5 x en m i NI am B elelelele fay a fey SSS KM F2 a Ka 5 4 6 XM amp ILO em KAM G o 250mm mi L 3 way valve MAINTENANCE In order to ensure optimal availability of the unit a number of checks and inspections on the unit and the field wiring have to be carried out at regular intervals A Before carrying out any maintenance or repair activity always switch off the circuit breaker on the supply panel remove the fuses or open the protection devices of the unit B Make su2. box 2 Make sure to ensure strain relief of the cable by correct use of the PG nipple and PG nut mounted on the domestic hot water tank Connections to be made in the indoor unit switch box 3 Mount the prewired contactor K3M circuit breaker F2B and terminal blocks X3M X4M The contactor must be fixed with the 2 supplied contactor screws and the terminal blocks must be fixed with the 2x 2 supplied tapping screws 4 Plug the connector connected to the contactor K3M in the socket X13A on the PCB 5 Plug the thermistor cable connector in the socket X9A on the PCB 6 Connect the prewired earth wires of the terminal block X3M and X4M to the earthing screw 7 Connect the booster heater power supply and thermal protection cable field supply to terminal X4M earth 1 2 and X2M 13 14 8 Connect the booster heater power supply cable to the terminal block X3M 9 Fix the cables to the cable tie mountings with cable ties to ensure strain relief 10 Set DIP switch SS2 2 on the PCB to ON 11 When routing out cables make sure that these do not obstruct mounting of the indoor unit cover Installation manual EKHWS150 300B3V3 EKHWS200 300B3Z2 Domestic hot water tank for air to water heat pump system 4PW54951 1 DAIKIN 5 Note only relevant field wiring is shown
3. 4 altnerma by A DAIKIN INSTALLATION MANUAL Domestic hot water tank for air to water heat pump system EKHWS150B3V3 EKHWS200B3V3 EKHWS300B3V3 5200 322 5300 322 300 3 4 22 2 6 9 7 x 34 FBSP 1 2 FBSP 8 o o 3 4 FBSP I 4 34 FBSP g 9 0 40 d 580 EKHWS150B3V3 EKHWS200B3V3 EKHWS200B3Z2 EKHWSS300B3V3 EKHWS300B3Z2 CONTENTS Page AEFOGUCHON ette aaa aaa pa aa pang a 1 ES 1 Scope OF aa gineng Lan aa NGGAE tn 1 Model identification exl Accessories 28 Accessories supplied with the domestic hot water tank ned Optional equipmoefit n etras sess base SANGGAN Eun 1 Installation of the EKHWS domestic hot water tank ma Main Components escas eee ana eee Outlook diagram 3 Installation guidelines 29 Installing the domestic hot water tank Me Connecting the water circuits ins Field 5 ee 6 Troubleshooting PE General guidelines aid General SymplolTis 7 Technical SPSCHICATIONG NE 7 Domestic hot water tank specifications 7 A READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE
4. REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A PROFESSIONAL BEFORE OPERATING THE UNIT MAKE SURE THE INSTALLATION HAS BEEN CARRIED OUT CORRECTLY BY A PROFESSIONAL DAIKIN DEALER AND IN ACCORDANCE WITH RELEVANT NATIONAL AND LOCAL REGULATIONS IF UNSURE OF INSTALLATION PROCEDURES OR USE ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE AND INFORMATION THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED FOR INDOOR INSTALLATION ONLY AND FOR AMBIENT TEMPERATURES RANGING 0 C 35 C Domestic hot water tank for air to water heat pump system The English text is the original instruction Other languages are translations of the original instructions Installation manual INTRODUCTION General information Thank you for purchasing this domestic hot water tank The EKHWS domestic hot water tank with integrated 3 kW electrical booster heater can be connected to the indoor unit The domestic hot water tank is available in three sizes 150 200 and 300 litre All models can be floor mounted while the 150 litre model can be wall mounted as well via option kit EKWBSWW150 The 200 and 300 litre models are also available as 400 V versions NOTE Especially for the United Kingdom W
5. U For installation of an EKHWSU domestic hot water tank refer to the installation manual supplied with the tank Scope of this manual This installation manual describes the procedures for unpacking installing and connecting the EKHWS domestic hot water tanks Model identification Booster heater voltage V3 1P 230 V Z2 2P 400 V only for 200 and 300 models Capacity booster heater 3 kW Series Indication of storage capacity in litres Hot Water tank Stainless steel European Kit ACCESSORIES Accessories supplied with the domestic hot water tank See figure 1 1 Thermistor connection wire 12 m 2 Contactor fuse assembly 3 Contactor fixing screw 4 Tapping screw 5 Installation manual 6 3 way valve motor NOTE For accessories supplied with the EKHWSU domestic qu hot water tank refer to the manual supplied with the n tank Optional equipment EKWBSWW150 kit including a wall bracket for a domestic hot water tank of 150 litres EKHWS150 300B3V3 EKHWS200 300B3Z2 Domestic hot water tank for air to water heat pump system 4PW54951 1 DAIKIN Installation manual INSTALLATION OF THE EKHWS DOMESTIC HOT WATER TANK A The total attherma typamin system indoor unit and outdoor unit is designed for combination with an by DAIKIN domestic hot water tank In case another tank is being used in combination with the altherma typamin indoor
6. allation manual 3 3 Unpack the 3 way valve body and 3 way valve motor 8 Verify that following accessories are provided with the motor 9 1 Sleeve 2 Valve motor cover 3 Screw 4 Scale 4 Install the 3 way valve body in the pipework Make sure the shaft will be positioned in such a way that the motor can be mounted and replaced Putthe sleeve on the valve and turn the valve to the middle 10 position of the scale plate Check that the valve is positioned as in the figure below It should be blocking the outlet connection to the domestic hot water for 5096 and the outlet connection to the room heating also for 50 11 Installation in accordance with Installation in accordance with 12 figure A and figure B figure C and figure D 13 If the valve is not positioned in this way before mounting the motor the valve will give way to both domestic water A Put the scale on the valve as shown below Domestic hot water tank Domestic hot water tank Room heating Room heating x Installation in accordance with figure A and figure D Installation in accordance with figure B and figure C Make sure to firmly fix the power supply cord onto the 3 way valve body with a field supplied cable tie like in illustration below Perform the wiring in the indoor unit in accordance with the following figure 3 way valve z 2 m m m L N Y Refer also to the drawing on page 6 Connect the wat
7. ent water discharge POSSIBLE CAUSES CORRECTIVE ACTION Thermal control failure water will be hot Switch off power to the indoor unit When discharge has stopped check the thermal controls and replace if faulty Contact your local dealer The expansion vessel is broken Replace the expansion vessel TECHNICAL SPECIFICATIONS Domestic hot water tank specifications EKHWS150B3V3 EKHWS200B3V3 EKHWS200B3Z2 EKHWS300B3V3 EKHWS300B3Z2 Volume 1501 200 2001 3001 3001 Internal heat exchanger volume 21 3 3 3 3 Overall dimensions x H 580 x 900 mm 580 x 1150 mm 580 x 1150 mm 580 x 1600 mm 580 x 1600 mm Booster heater power supply 230 V 50 Hz 1P 230 V 50 Hz 1P 400 V 50 Hz 2P 230 V 50 Hz 1P 400 V 50 Hz 2P Booster heater running current 13A 13A 7 5A 13A 7 5A Booster heater capacity 3kW 3kW 3kW 3kW 3 kW Connections 3 4 FBSP 9 3 4 FBSP 9 3 4 FBSP 3 4 FBSP 9 3 4 FBSP 9 Weight empty 37 kg 45 kg 45 kg 59 kg 59 kg Mounting Wall or floor Floor Floor Floor Floor a FBSP Female British Standard Pipe EKHWS150 300B3V3 EKHWS200 300B3Z2 DAIKIN Installation manual Domestic hot water tank for air to water heat pump system 4PW54951 1 7 DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Oostende Belgium 4PW54951 1 0000000B Copyright O Daikin 4PW54951 1
8. er inlet and water outlet Connect the hot and cold water supply tubes Connect the pressure relief valve field supply opening pressure maximum 10 bar and drain and room heating during operation 5 Wheninstalling in accordance with figure A or figure D open the valve motor cover by loosening the screw and change the A If a discharge pipe is connected to the pressure relief device it must be installed in a continuously downward direction and in a frost free environment It must be left open to the atmosphere jumper so as to change the rotation direction of the valve By default the jumper is factory set to apply for installation in accordance with figure B and figure C Installation in accordance with figure B and figure C Installation in accordance with figure A and figure D Rotation direction of the valve 6 Push the motor on the motor sleeve Make sure not to rotate the sleeve during this action so as to maintain the valve position as set during step 4 7 4 4 24 UO g 4 94 7 IP41 Installation manual DAIKIN EKHWS150 300B3V3 EKHWS200 300B3Z2 Domestic hot water tank for air to water heat pump system 4PW54951 1 Field wiring Procedure for EKHWS and EKHWS Z2 A A main switch or other means for disconnection having a contact separation in all poles must be incorpora
9. er tank Installation manual EKHWS150 300B3V3 EKHWS200 300B3Z2 2 DAIKIN Domestic hot water tank for air to water heat pump system 4PW54951 1 Safety devices A B Thermal protector The booster heater in the domestic hot water tank is equipped with a thermal protector The thermal protector is activated when the temperature becomes too high When activated the protector has to be reset on the domestic hot water tank by pressing the red button for access remove the electrical box lid The domestic hot water tank relief valve connections may not be used for other purpose Do not install heaters without thermal cut outs A The electrical box lid must only be opened by a licensed electrician Switch off the power supply before opening the electrical box lid m Pressure relief valve A pressure relief valve field supply in accordance with relevant local and national regulations and with an opening pressure of maximum 10 bar must be connected to the pressure relief valve connection f a discharge pipe is connected to the pressure relief device it must be installed in a continuously downward direction and in a frost free environment It must be left open to the atmosphere BW The supplied temperature and pressure relief valve and T piece must be correctly installed to the hot water outlet Outlook diagram Outlook diagram see figure 2 Hot water and pressure relief valve connection Recircu
10. ited consumption of domestic hot water e g at holiday residences or at houses that are occasionally not occupied the domestic hot water tank installation must be fitted with a shunt pump The shunt pump can be time controlled m the shunt pump must operate to circulate the complete volume of the domestic hot water tank 1 5 times per hour 10 13 11 12 and the shunt pump must operate be programmed for 1 Field supply operation during 2 uninterrupted hours per day at least 2 Hot water connection 3 Pressure relief valve connection 1 Cold water connection 4 Pressure relief valve field supply Hot water connection 5 Electrical box Shunt pump 6 Electrical box lid field supply 7 Recirculation hole 4 Non return valve 8 Thermistor socket field supply 9 Flow inlet connection 10 Heat exchanger coil 11 Return outlet connection In case of very long field water piping between the domestic hot 12 Cold water connection water tank and the hot water end point shower bath etc it can take 13 Threaded thermistor hole for use with solar kit option Refer to the more time before the hot water from the domestic hot water tank Installation manual EKSOLHWAV1 reaches the hot water end point 1 Shower 2 Recirculation pump If required connect a recirculation pump in between the hot water end point and the recirculation hole in the domestic hot wat
11. k for obvious defects such as loose connections or defective wiring Before contacting your local dealer read this chapter carefully it will save you time and money A When a safety device was activated stop the unit and find out why the safety device was activated before resetting it Under no circumstances safety devices may be bridged or changed to a value other than the factory setting If the cause of the problem cannot be found call your local dealer When carrying out an inspection on the supply panel or on the switch box of the unit always make sure that the circuit breaker of the unit is switched off Installation manual DAIKIN EKHWS150 300B3V3 EKHWS200 300B3Z2 Domestic hot water tank for air to water heat pump system 4PW54951 1 General symptoms Symptom 1 No water flow from hot taps POSSIBLE CAUSES CORRECTIVE ACTION The main water supply is off Check that all shut off valves of the water circuit are completely open Symptom 2 Water from hot taps is cold POSSIBLE CAUSES CORRECTIVE ACTION The thermal cut out s has have operated Check and reset button s Check if thermistor is correctly installed in thermistor socket The indoor unit EKHBH X is not operating Check the indoor unit EKHBH X operation Refer to the manual delivered with the indoor unit If any faults are suspected contact your local dealer Symptom 3 Intermitt
12. lation hole Flow inlet connection from the main indoor unit Return outlet connection to the main indoor unit Cold water connection Domestic hot water tank electrical box cable entry Thermistor socket N o0 F o Threaded thermistor hole for use with solar kit option See Installation manual EKSOLHWAV1 9 Domestic hot water tank electrical box cable entry for use with optional solar kit Domestic hot water tank model EKHWS150B3V3 900 475 185 605 EKHWS200B3V3 Z2 1150 630 200 830 EKHWS300B3V3 Z2 1600 630 200 830 Installation guidelines m Keep in mind the following guidelines when installing the domestic hot water tank BW The installation location is frost free B Make sure to make the piping in size 1 or more and reduce to 3 4 at the inlet of the tank as to have sufficient water volume in the piping between indoor unit and domestic hot water tank m Locate the domestic hot water tank in a suitable position to facilitate ease of maintenance remember access is required to the electrical box Refer to the grey coloured zones indicated in figure 2 Provide a connection for the pressure relief valve blow off and drain avoid back siphonage it is advised to install a non return valve on the water inlet of the domestic hot water tank in accordance with local and national regulations care that in the event of a leak water can not cause any damage to the installation space and sur
13. re that before starting any maintenance or repair activity also the power supply to the outdoor unit is switched off m Domestic hot water tank pressure relief valve field supply check for correct operation of the pressure relief valve installed on your domestic hot water tank has to be carried out at least every 6 months it is important that the lever on the valve is actuated to prevent accumulation of mineral deposits that may impair valve operation and to confirm that the valve and discharge pipe are not blocked The lever should be operated slowly and smoothly to avoid a sudden rush of hot water from the discharge pipe Failure to operate the relief valve actuating lever may result in the water heater exploding Continuous leakage of water from the discharge pipe may indicate a problem with the water heater B Domestic hot water tank booster heater It is advisable to remove lime buildup on the booster heater to extend its life span especially in regions with hard water To do so drain the domestic hot water tank remove the booster heater from the domestic hot water tank and immerse in a bucket or similar with lime removing product for 24 hours TROUBLESHOOTING This section provides useful information for diagnosing and correcting certain troubles which may occur in the unit General guidelines Before starting the troubleshooting procedure carry out a thorough visual inspection of the unit and loo
14. roundings m The domestic hot water tank model WA EKHWS U 150B3V3 can be floor or wall mounted In case of wall mounting wall mounting kit EKWBSWW150 is required separate ordering Installing the domestic hot water tank 1 Check if all domestic hot water tank accessories see Accessories on page 1 are enclosed 2 When floor mounting place the domestic hot water tank on a level surface When wall mounting only for EKHWS U 150B3V3 model make sure the wall is sturdy In both cases make sure the domestic hot water tank is mounted level 3 Apply thermal paste to the thermistor and insert the thermistor as deep as possible in the thermistor socket Fix using the nut provided Connecting the water circuits Refer to the chapter Typical application examples described in the installation manual delivered with the indoor unit for details on connecting the water circuits and the motorised 3 way valve Connecting the 3 way valve 1 Referto the figure below before making the connection 2 Installation position It is advised to connect the 3 way valve as close as possible to the indoor unit It can be installed in accordance with one of the following four configurations figure C figure D 1 From alther ma by DAIKIN indoor unit To domestic hot water tank To room heating EKHWS150 300B3V3 EKHWS200 300B3Z2 Domestic hot water tank for air to water heat pump system 4PW54951 1 DAIKIN Inst
15. ted in the fixed wiring in accordance with relevant local and national legislation H All field wiring and components must be installed by a licensed electrician and must comply with relevant European and national regulations B The field wiring must be carried out in accordance with the wiring diagram supplied with the unit and the instructions given below The domestic hot water tank must be earthed via the indoor unit Power circuit and cable requirements power circuit shared by another appliance Use one and same dedicated power supply for the outdoor unit indoor unit backup heater and domestic hot water tank A m Be sure to use a dedicated power circuit Never use a For cable requirements and specifications refer to Field wiring in the indoor unit installation manual supplied with the EKHBH X unit NOTE Select the power cable in accordance with relevant qu local and national regulations Make sure all field wiring is insulated from the tank body and heater element or can resist temperatures to 90 C Thermistor cable The distance between the thermistor cable and power supply cable must always be at least 5 cm to prevent electromagnetic interference on the thermistor cable A Switch off the power supply before making any connections Connections to be made in the domestic hot water tank electrical box 1 Refer to the wiring diagram sticker in the domestic hot water tank switch
16. unit Daikin cannot guarantee neither good operation nor reliability of the system For those reasons Daikin cannot give warranty of the system in such case B The temperatures of supplied hot water by the altherma typamin domestic hot water tank can exceed 50 C Relevant national or local regulations requiring additional temperature control devices must be complied with B The equipment is not intended for use in a potentially explosive atmosphere B Only this tank can be used in combination with the solar kit option m Domestic hot water quality must be according to EU directive 98 83 EC B A drain device should be installed on the cold water connection on the domestic hot water tank m For safety reasons it is not allowed to add ethylene glycol to the water circuit Adding ethylene glycol might lead to contamination of the domestic water if a leakage would occur in the heat exchanger coil B is important that the storage capacity of the domestic hot water tank meets normal daily fluctuations in consumption of domestic hot water without any fall of the water outlet temperature during use Immediately after installation the domestic hot water tank must be flushed with fresh water This procedure must be repeated at least once a day the first 5 consecutive days after installation Following descriptions are only for EKHWS V3 and EKHWS Z2 models not for EKHWSU V3 models Main components In case of lim
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