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Installation manual

EKHBH/X016BB

Indoor unit for air to water heat pump system

4PW62572-1A – 01.2011

ONTENTS

Page

Definitions.................................................................................. 2

1.1.

Meaning of warnings and symbols................................................. 2

1.2.

Meaning of used terms .................................................................. 2

General safety precautions........................................................ 2

Introduction................................................................................ 3

3.1.

General information........................................................................ 3

3.2.

Scope of this manual ..................................................................... 4

3.3.

Model identification ........................................................................ 4

3.4.

Accessories ............................................................................... 9

4.1.

Accessories supplied with the indoor unit ...................................... 9

Overview of the indoor unit ...................................................... 10

5.1.

Opening the indoor unit................................................................ 10

5.2.

Main components......................................................................... 10

5.3.

Switch box main components ...................................................... 11

5.4.

Functional diagram....................................................................... 12

Installation of the indoor unit.................................................... 12

6.1.

Selecting an installation location .................................................. 12

6.2.

Dimensions and service space .................................................... 13

6.3.

Inspecting, handling and unpacking the unit ................................ 13

6.4.

Mounting the indoor unit .............................................................. 14

6.5.

Installation of the EKHBDP drain pan kit (only for
EKHBX models) ........................................................................... 14

6.6.

Refrigerant pipework .................................................................... 14

6.7.

Water pipework ............................................................................ 14
Checking the water circuit ............................................................ 14

6.8.

General precautions concerning water circuit .............................. 15
Checking the water volume and expansion vessel
pre-pressure................................................................................. 16
Setting the pre-pressure of the expansion vessel ........................ 17
Connecting the water circuit......................................................... 17

6.9.

Charging water............................................................................. 17

6.10. Piping insulation ........................................................................... 17

Electrical wiring work ............................................................... 17

7.1.

Precautions on electrical wiring work........................................... 17

7.2.

Internal wiring - Parts table .......................................................... 18

7.3.

7.4.

Relocation of the digital controller ................................................ 22
Wiring specifications .................................................................... 22
Mounting ...................................................................................... 22

Start-up and configuration ....................................................... 23

8.1.

DIP switch settings overview........................................................ 23

8.2.

Room thermostat installation configuration.................................. 23

8.3.

Pump operation configuration ...................................................... 24

8.4.

Domestic hot water tank installation configuration ....................... 24

8.5.

Initial start-up at low outdoor ambient temperatures.................... 25

8.6.

Pre-operation checks ................................................................... 25
Checks before initial start-up........................................................ 25

8.7.

Powering up the indoor unit ......................................................... 25

8.8.

Setting the pump speed ............................................................... 26

8.9.

Field settings ................................................................................ 26
Procedure .................................................................................... 26
Detailed description ..................................................................... 26

8.10. Field settings table ....................................................................... 39

Test run and final check ........................................................... 43

9.1.

Final check ................................................................................... 43

9.2.

Automatic test run ........................................................................ 43

9.3.

Test run operation (manual) ......................................................... 43
Procedure .................................................................................... 43

9.4.

Underfloor heating screed dry-out program ................................. 43
Disclaimer .................................................................................... 43
Field settings ................................................................................ 43
Getting started ............................................................................. 44

10. Maintenance and service......................................................... 45

10.1. Maintenance activities.................................................................. 45

Cautions before obtaining maintenance and service ................... 45
Opening the unit........................................................................... 45
Maintenance and service ............................................................. 45

11. Troubleshooting........................................................................ 46

11.1. General guidelines ....................................................................... 46
11.2. General symptoms ....................................................................... 46
11.3. Error codes .................................................................................. 48

12. Technical specifications ........................................................... 50

12.1. General ........................................................................................ 50
12.2. Electrical specifications................................................................ 50

The original instructions are written in English. All other languages
are translations of the original instructions.

EKHBH016BB***
EKHBX016BB***

Indoor unit for air to water heat pump system

Installation manual

CAREFULLY READ THESE INSTRUCTIONS BEFORE
INSTALLATION. THEY WILL TELL YOU HOW TO INSTALL
AND HOW TO CONFIGURE THE UNIT PROPERLY.
KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE
REFERENCE.

THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED
FOR INDOOR INSTALLATION ONLY AND FOR AMBIENT
TEMPERATURES RANGING 4°C~35°C.

Содержание EKHBH016BB3V3

Страница 1: ...EKHBH016BB EKHBX016BB Indoor unit for air to water heat pump system EKHBH016BB3V3 EKHBH016BB6V3 EKHBH016BB6WN EKHBH016BB6T1 EKHBH016BB9WN EKHBH016BB9T1 EKHBX016BB3V3 EKHBX016BB6V3 EKHBX016BB6WN EKHBX016BB6T1 EKHBX016BB9WN ...

Страница 2: ...35 48 142 101 502 2 3 4 5 48 39 96 361 1 1 4 1 1 4 MBSP 895 922 830 469 260 B B T T 350 300 500 2x 2x 1x 1x 1x 1 2 3 4 5 30 90 2 1 3 4 1 2 3 4 ...

Страница 3: ... ÍÂˆv Ùˆv 08 de acordo com o previsto em 09 в соответствии с положениями 10 under iagttagelse af bestemmelserne i 11 enligt villkoren i 12 gitt i henhold til bestemmelsene i 13 noudattaen määräyksiä 14 za dodržení ustanovení předpisu 15 prema odredbama 16 követi a z 17 zgodnie z postanowieniami Dyrektyw 18 în urma prevederilor 19 ob upoštevanju določb 20 vastavalt nõuetele 21 следвайки клаузите на...

Страница 4: ...ostat cable 20 Connection of the valve control cables 21 Connection of the bottom plate heater 21 Connection to a benefit kWh rate power supply 21 7 4 Relocation of the digital controller 22 Wiring specifications 22 Mounting 22 8 Start up and configuration 23 8 1 DIP switch settings overview 23 8 2 Room thermostat installation configuration 23 8 3 Pump operation configuration 24 8 4 Domestic hot w...

Страница 5: ...peration of the unit always contact your local dealer for advice and information 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 and optional equipment made by Daikin which are specially designed for use with the products as of subject in this manual and have the...

Страница 6: ...ation concerning the drain pan kit refer to 6 5 Installation of the EKHBDP drain pan kit only for EKHBX models on page 14 Solar kit for domestic hot water tank option For information concerning the EKSOLHW solar kit refer to the installation manual of that kit Digital I O PCB kit option An optional EKRP1HB digital I O PCB can be connected to the indoor unit and allows remote alarm output heating c...

Страница 7: ...5 Pump 6 Shut off valve 7 Collector field supply FHL1 3 Floor heating loop T Room thermostat optional Pump operation and space heating When the room thermostat T is connected to the indoor unit the pump 5 will operate when there is a heating request from the room thermostat and the outdoor unit will start operating to achieve the target leaving water temperature as set on the user interface When t...

Страница 8: ...r heating mode 2 Only applicable for tank with built in electrical booster heater EKHW INFORMATION Details on pump configuration can be found under 8 3 Pump operation configuration on page 24 NOTICE When circulation in each space heating loop FHL1 3 is controlled by remotely controlled valves M1 3 it is important to provide a by pass valve 9 to avoid the flow switch safety device from being activa...

Страница 9: ...ication without the room thermostat connected to the indoor unit but with the heating only room thermostat set heating only controlling the floor heating and the heating cooling thermostat set heating cooling controlling the fan coil units Heating is provided through floor heating loops and fan coil units Cooling is provided through the fan coil units only 1 Outdoor unit 2 Indoor unit 3 Heat excha...

Страница 10: ...ays provided by the domestic hot water tank which is connected to the Daikin indoor unit The auxiliary boiler must be integrated in the piping work and in the field wiring according to the illustrations below 1 Outdoor unit 2 Indoor unit 3 Heat exchanger 4 Backup heater 1 5 Pump 6 Shut off valve 7 Motorised 3 way valve delivered with domestic hot water tank 8 Non return valve field supply 9 Shut o...

Страница 11: ...o as to achieve the target leaving water temperature as set on the user interface When weather dependent operation is active the water temperature is determined automatically depending on the outdoor temperature During heating operation of the boiler the boiler will operate so as to achieve the target leaving water temperature as set on the boiler controller Never set the target leaving water temp...

Страница 12: ...cker inside indoor unit cover 5 Indoor unit cover fixing screw INFORMATION The advantage of the dual set point control is that the heat pump will can operate at the lowest required leaving water temperature when only floor heating is required Higher leaving water temperatures are only required in case fan coil units are operating This results in a better performance of the heat pump The hydraulic ...

Страница 13: ...ess to the switch box components e g to connect the field wiring the switch box service panel can be removed Thereto loosen the front screws and unhitch the switch box service panel 5 2 Main components INFORMATION Make sure to fix the cover with the screws when installing the cover screws are delivered as accessory DANGER ELECTRICAL SHOCK See 2 General safety precautions on page 2 DANGER DO NOT TO...

Страница 14: ...the water circuit 18 Backup heater thermal protector The backup heater is equipped with a thermal protector The thermal protector is activated when the temperature becomes too high 19 Backup heater thermal fuse The backup heater is equipped with a thermal fuse The thermal fuse is blown when the temperature becomes too high higher than the backup heater thermal protector temperature 20 Pressure rel...

Страница 15: ...able to install the hydrobox unit on a firm wall and not in nor close to a sound sensitive environment e g bedroom NOTICE The electrical wiring diagram can be found on the inside of the switch box cover R4T H2O t R3T t R2T t R1T t 9 10 11 3 2 4 8 12 13 1 5 6 7 WARNING Be sure to provide for adequate measures in order to prevent that the unit be used as a shelter by small animals CAUTION Small anim...

Страница 16: ...essels Where acidic or alkaline vapour is present 6 2 Dimensions and service space Unit of measurement mm Dimensions of the unit see figure 3 1 Flexible drain hose 2 Water outlet connection 3 Water inlet connection 4 Refrigerant liquid connection 5 Refrigerant gas connection FBSP Female British Standard Pipe MBSP Male British Standard Pipe Required service space see figure 2 6 3 Inspecting handlin...

Страница 17: ...ivered with the drain pan kit 6 6 Refrigerant pipework For all guidelines instructions and specifications regarding refrigerant pipework between the indoor unit and the outdoor unit please refer to the outdoor unit installation manual The location of the gas pipe and liquid pipe on the indoor unit is shown under 5 2 Main components on page 10 6 7 Water pipework Checking the water circuit The units...

Страница 18: ...s use materials which are compatible with water used in the system and with the materials used on the indoor unit 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 Use clean pipes only Hold the pipe end downwards when removing burrs Cover the pipe end when inserting it through a wall so that no du...

Страница 19: ...water volume in the water circuit is 100 l In this example no action or adjustment is required INFORMATION In most applications this minimum water volume will have a satisfying result In critical processes or in rooms with a high heat load though extra water volume might be required NOTICE When circulation in each space heating loop is controlled by remotely controlled valves it is important that ...

Страница 20: ...K 7 1 Precautions on electrical wiring work NOTICE Be careful not to deform the unit piping by using excessive force when connecting the piping Deformation of the piping can cause the unit to malfunction INFORMATION During filling it might not be possible to remove all air in the system Remaining air will be removed through the automatic air purge valves during first operating hours of the system ...

Страница 21: ...hermistor S1L Flow switch S2S Benefit kWh rate power supply contact S3S Dual set point 2 contact S4S Dual set point 1 contact SS1 DIP switch TR1 Transformer 24 V for PCB V1S Spark suppression 1 V2S Spark suppression 2 X1M X9M Terminal blocks X6Y X9B Connector 7 3 System overview of field wiring The illustration below gives an overview of the required field wiring between several parts of the insta...

Страница 22: ...aximum running current 1 Power supply cable for outdoor unit 2 GND a a Refer to nameplate on outdoor unit 2 Indoor unit power supply and communication cable 3 GND b b Cable section 2 5 mm2 3 Power cable for bottom plate heater c c Bottom plate heater cable is only applicable in combination with ERLQ_AA AB BA or in case of optional EKBPHT kit The ERLQ_CA outdoor unit controls the bottom plate heate...

Страница 23: ...ntact requirements The contact shall be a voltage free contact that ensure 230 V 100 mA Procedure 1 Connect the contact of first set point and second set point to the appropriate terminals as shown in the figure below 2 Fix the cables with cable ties to the cable tie mountings to ensure strain relief 3 Depending on the required pump operation set DIP switch SS2 3 and field setting F 00 See 8 3 Pum...

Страница 24: ...kWh rate power supply the electricity company is allowed to interrupt power supply to the equipment for certain periods of time demand that the equipment only consumes a limited amount of electricity during certain periods of time The indoor unit is designed to receive an input signal by which the unit switches into forced off mode At that moment the outdoor unit compressor will not operate Possib...

Страница 25: ...of the digital controller 4 Wired from the rear 5 Wired from the top 6 Notch the part for the wiring to pass through with nippers etc 1 When the signal is released again the voltage free contact will close and the unit will restart operation It is therefore important to leave the auto restart function enabled Refer to 3 Auto restart on page 28 2 When the signal is released again the voltage free c...

Страница 26: ...ECTRIC SHOCK See 2 General safety precautions on page 2 WARNING Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch settings 1 4 3 2 1 ON OFF DIP switch SS2 Description ON OFF 1 Not applicable for installer Default 2 Domestic hot water tank installation see 8 4 Domestic hot water tank installation configuration on page 24 Installed Not i...

Страница 27: ...d on the pump will then run every 5 minutes during 3 minutes to check the water temperature UI UI UI SS2 3 ON wiring on when space heating or cooling is on y UI UI UI Heating only thermostat SS2 3 ON wiring see installation manual of the room thermostat kit on when heating request by room thermostat T Thermostat with heating cooling switch SS2 3 ON wiring see installation manual of the room thermo...

Страница 28: ... properly and that the earth terminals are tightened 7 Internal wiring Visually check the switch box on loose connections or damaged electrical components 8 Fixation Check that the unit is properly fixed to avoid abnormal noises and vibrations when starting up the unit 9 Damaged equipment Check the inside of the unit on damaged components or squeezed pipes 10 Refrigerant leak Check the inside of t...

Страница 29: ...e displayed to the right 1 2 Press the bgi button to select the appropriate field setting first code 3 Press the bgj button to select the appropriate field setting second code 4 Press the pfi button and pfj button to change the set value of the select field setting 5 Save the new value by pressing the pr button 6 Repeat step 2 through 4 to change other field settings as required 7 When finished pr...

Страница 30: ...nt at high ambient temperature Hi2_Ti the target outgoing water temperature when the outdoor temperature equals or rises above the high ambient temperature Hi2_A Note that the Hi2_Ti value should be lower than Lo2_Ti as for warmer outdoor temperatures i e Hi2_A colder water is required Tt Target water temperature TA Ambient outdoor temperature Shift value Shift value 2 Disinfection function Applie...

Страница 31: ...tion is only allowed if heat pump is out of operation range of heat pump domestic water heating mode TA 5 03 or TA 35 C or domestic hot water temperature is 2 C lower then the heat pump OFF temperature THP OFF for domestic hot water mode TDHW THP OFF 2 C Refer to setting 5 03 on page 30 6 00 on page 31 and 6 01 on page 31 Results in the most optimum coverage of domestic hot water heated by the pum...

Страница 32: ... the domestic hot water will only be heated by the booster heater INFORMATION When setting 4 03 1 2 3 4 the booster heater operation can still be restricted by the schedule timer as well I e when booster heater operation is preferred during certain period of the day See operation manual When setting 4 03 2 the booster heater will be allowed to operate when TA 5 03 independent of the status of 5 02...

Страница 33: ...pecified space heating priority temperature i e low outdoor temperature This is done by allowing the backup heater to assist during domestic hot water heating This means the heating up time of domestic water heating will be kept to a minimum and as much as possible capacity of the heat pump is used for space heating 5 02 Space heating priority temperature outdoor temperature below which the domest...

Страница 34: ... 1 Scheduled storage 6 03 1 scheduled reheat 6 05 1 disinfection function 2 01 1 activated A Scheduled storage operation activated at 6 04 heat up domestic hot water untill domestic hot water user interface set point TDHW e g 55 C is reached B Scheduled reheat operation activated at 6 06 heat up domestic hot water untill domestic hot water reheat set point 6 07 e g 45 C is reached C Disinfection o...

Страница 35: ...he domestic hot water set point is according to your requirements Start with a low domestic hot water storage set point and only increase if you feel that the domestic hot water supply temperature is not sufficient for your requirements this depends on your water using pattern Make sure the domestic water is not heated unnecessary Start with activating automatic storage during night default settin...

Страница 36: ...et point can be a fixed value or weather dependent The second set point heating 7 03 should be linked to the heat emitters which requires the highest set point in heating mode Example fan coil unit The second set point cooling 7 04 is always a fixed value It should be linked to the heat emitters which requires the lowest set point in cooling mode Example fan coil unit The actual second set point h...

Страница 37: ...applicable in heating mode INFORMATION When heat pump is active in domestic water heating mode the delay time of booster heater is 8 03 When heat pump is not active in domestic water heating mode the delay time is 20 min The delay timer starts from booster heater ON temperature TBH ON INFORMATION By adapting the booster heater delay time versus the maximum running time an optional balance can be f...

Страница 38: ...s field setting allows for distinction between detection of an alarm and detection of a power failure to the unit Bivalent operation Applies only to installations with an auxiliary boiler alternating operation parallel connected The purpose of this function is to determine based on the outdoor temperature which heating source can will provide the space heating either the Daikin indoor unit or an a...

Страница 39: ...on 5 when bivalent operation function is enabled Daikin shall not be held liable for any damage resulting from failure to observe this rule INFORMATION In case the outdoor unit is NOT ERLQ_CA or ERHQ_W1 ERLQ_W1 the combination of setting 4 03 0 2 with bivalent operation at low outdoor temperature can result in domestic hot water shortage The bivalent operation function has no impact on the domesti...

Страница 40: ...re TA Outdoor temperature R Range L Local shift value 1 00 1 04 Applicable field settings of the weather dependent set point 1 E Unit information readout E 00 Readout of the software version example 23 E 01 Readout of the EEPROM version example 23 E 02 Readout of the unit model identification example 11 E 03 Readout of the liquid refrigerant temperature E 04 Readout of the inlet water temperature ...

Страница 41: ...perature below which the bottom plate heater will be activated by indoor unit in order to prevent ice build up in the bottom plate of the outdoor unit at lower outdoor temperatures F 03 Bottom plate heater hysteresis defines the temperature difference between bottom plate heater ON temperature and the bottom plate heater OFF temperature Bottom plate heater TA Outdoor temperature Functionality of X...

Страница 42: ...heater EKHTS 4 03 5 60 fixed 5 C 03 Set point only in combination with domestic hot water tank with built in electrical booster heater EKHW 4 03 5 70 55 80 5 C 04 Interval only in combination with domestic hot water tank without electrical booster heater EKHTS 4 03 5 60 40 60 5 min 04 Interval only in combination with domestic hot water tank with built in electrical booster heater EKHW 4 03 5 10 5...

Страница 43: ...led time storage start time 1 00 0 00 23 00 1 00 hour 05 Scheduled time reheat or continuous reheat 0 OFF 0 1 2 1 06 Scheduled time reheat start time 15 00 0 00 23 00 1 00 hour 07 Domestic hot water reheat set point 45 30 50 1 C 08 Domestic hot water reheat set point hysteresis 10 2 20 1 C 7 DT for booster heater and dual set point control 00 Domestic hot water step length only in combination with...

Страница 44: ...4 Not applicable Do not change the default value 0 c Read only C Setup on EKRP1HB digital I O PCB 00 Solar priority mode setting 0 0 1 1 01 Alarm output logic 0 0 1 1 02 X1 X2 function Bivalent operation status or additional external backup heater 0 0 1 2 1 03 Bivalent ON temperature or additional external backup heater temperature 0 25 25 1 C 04 Bivalent hysteresis or additional external backup h...

Страница 45: ...point of selected action number F 05 25 0 d 15 55 1 C 07 Time of selected action number F 05 0 d 0 72 12 hour 08 Underfloor heating screed dry out program enabled disabled 0 OFF 0 1 1 09 Latest action number executed 0 0 21 Read only 0 a The storage and reheat function is only applicable in case 4 03 4 or 5 b Only possible to modify the first 3 minutes after power ON c The default value is only an...

Страница 46: ...ayed To start the test run operation press the y button To test the domestic water heating operation push the v button The test run operation will start without pressing the y button 3 The test run operation will end automatically after 30 minutes or when reaching the set temperature The test run operation can be stopped manually by pressing the z button once If there are misconnections or malfunc...

Страница 47: ...y out program as follows 1 Set in F 08 Underfloor heating screed dry out program enabled disabled to 1 enabled 2 When finished press the z button to exit the FIELD SET MODE 2 Activate 1 Push the z button 4 times so the t icon will be displayed 2 To start the Underfloor heating dry out program press the y button 3 The Underfloor heating dry out program will start and display the action and temperat...

Страница 48: ...5M applications with domestic hot water tank only and K4M by use of an ohmmeter All contacts of these contactors must be in open position DANGER ELECTRIC SHOCK 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 Make sure that before starting any maintenance or repair activity a...

Страница 49: ... and immediately after operation See 2 General safety precautions on page 2 INFORMATION For problems related to the optional solar kit for domestic water heating refer to the troubleshooting in the installation manual of that kit POSSIBLE CAUSES CORRECTIVE ACTION The temperature setting is not correct Check the controller set point The water flow is too low Check that all shut off valves of the wa...

Страница 50: ...eater operation status field setting 4 00 is turned on see 8 9 Field settings on page 26 Check whether or not the thermal protector of the backup heater has been activated refer to Main components 18 Backup heater thermal protector on page 11 for location of the reset button Check if booster heater and backup heater are configured to operate simultaneously field setting 4 01 see 8 9 Field settings...

Страница 51: ...ng the correct read out A1 Indoor unit PCB defective Contact your local dealer A5 Too low during cooling operation or too high during heating operation refrigerant temperature measured by R3T Contact your local dealer AA Backup heater thermal protector is open Reset the thermal protector by pressing the reset button refer to 5 2 Main components on page 10 for location of the reset button Check the...

Страница 52: ...your local dealer U3 Underfloor heating screed dry out program has been stopped by another error or by pushing operation off button or by power failure The error can only be reset in the test mode as follows First press the z button 4 times so the t icon will be displayed Then press the y button 1 time Finally push the z button to exit the test mode Notes In this case F 09 Latest action number exe...

Страница 53: ...inch refrigerant gas side Ø15 9 mm 5 8 inch Ø15 9 mm 5 8 inch Expansion vessel volume 10 l 10 l maximum working pressure MWP 3 bar 3 bar Pump type water cooled water cooled no of speed 3 3 Sound pressure level Refer to technical data Refer to technical data Internal water volume 5 5 l 5 5 l Pressure relief valve water circuit 3 bar 3 bar Operation range water side heating 15 55 C 15 55 C cooling 5...

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