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0 EKCBX/H008BAV3

Unit for air to water heat pump system

4PW64602-1A – 09.2010

Installation manual

7

Indoor unit

1

Indoor unit

2

User interface mounted on the indoor front panel

3

Field wiring intake

1.

The user interface must be mounted on the EKCB front panel
and allows the installer and user to set up, use and maintain the
unit.

2.

Field wiring intake is foreseen to allow mounting and connecting
the field wiring to the terminals inside the EKCB.

5.3.

Main components of the outdoor unit switch box
and indoor unit switch box

Outdoor unit switch box

1

Terminal blocks
The terminal blocks allow easy connection of field
wiring.

2

Thermistor interconnection cable connector

Indoor unit switch box

1.

Main PCB
The main PCB (Printed Circuit Board) controls the functioning of
the unit.

2.

Terminal blocks X2M, X14M, X15M
The terminal blocks allow easy connection of field wiring.

3.

Thermistor interconnection cable connector

4.

Booster heater contactor K3M (only for installations with a
domestic hot water tank installed)

5.

Booster heater circuit breaker F1B (only for installations with a
domestic hot water tank installed)
The circuit breaker protects the booster heater in the domestic
hot water tank against overload or short circuit.

6.

Cable tie mountings
The cable tie mountings allow to fix the field wiring with cable
ties to the switch box to ensure strain relief.

7.

Terminal blocks X3M, X4M (only for installations with a domestic
hot water tank installed)

8.

PCB fuse FU1

9.

DIP switch SS2
The DIP switch SS2 provides 4 toggle switches to configure
certain installation parameters. See "13.1. DIP switch settings
overview" on page 28.

10. X13A socket

The X13A socket receives the K3M connector (only for
installations with a domestic hot water tank installed).

11. X9A socket

The X9A socket receives the thermistor connector (only for
installations with a domestic hot water tank installed).

12. Fuse FU2 (in line fuse)

13. Transformer TR1

14. A4P

Digital I/O PCB (only for installations with a solar kit or a digital
I/O PCB kit installed).

The electric wiring diagram can be found on the inside of
the outdoor unit top panel.

1

2

3

3

1

2

1

1

2

The electric wiring diagram can be found on the inside of
the indoor unit front panel

4

1

14

13

9

10 11

SS2

6

6

2

6

6 12 6

2

6

5

7

7

8

2

K3M

F1B

X3M

X4M

FU1

X13A

X9A

X15M

X2M

X14M

FU2

TR1

A4P

4PW64602-1A.book Page 7 Thursday, September 23, 2010 10:40 AM

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Содержание EBHQ006BAV3

Страница 1: ...INSTALLATION MANUAL EBHQ006BAV3 EBHQ008BAV3 EKCBX008BAV3 EKCBH008BAV3 Unit for air to water heat pump system ...

Страница 2: ...scrizioni per 07 ÌÂ Ù ÚËÛË Ùˆv È Ù 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...

Страница 3: ...ater piping freezing prevention 21 11 Important information regarding the refrigerant used 21 12 Electrical wiring work 21 12 1 Precautions on electrical wiring work 21 12 2 Outdoor unit Internal wiring Parts table 22 12 3 Overview of field wiring 22 12 4 Requirements 22 12 5 Routing 23 Power supply routing PS 23 Control signal routing HV 23 Thermistor interconnection cable routing LV 23 12 6 Outd...

Страница 4: ...uipment made by Daikin which are specially designed for use with the products as of subject in this manual and have them installed by an installer The precautions listed here are divided into the following four types They all cover very important topics so be sure to follow them carefully Safely dispose of packing materials Packing materials such as nails and other metal or wooden parts may cause ...

Страница 5: ...gh to cover the entire distance with no connection Do not use an extension cord Do not put other loads on the power supply use a dedicated power circuit Failure to do so may cause abnormal heat electric shock or fire Do not touch the refrigerant pipes during and immediately after operation as the refrigerant pipes may be hot or cold depending on the condition of the refrigerant flowing through the...

Страница 6: ...nit and allows remote alarm output heating cooling ON OFF output bivalent operation permission signal for the auxiliary boiler Refer to the operation manual and to the installation manual of the digital I O PCB for more information Refer to the wiring diagram or connection diagram for connecting this PCB to the unit Bottom plate heater EKBPHT08BA option Remote thermostat kit option An optional roo...

Страница 7: ...Accessories supplied with the indoor unit 1 user interface kit user interface 4 fixing screws and 2 plugs 2 Accessory bag 2 mounting bolts and 2 nuts for user interface 3 Wiring diagram sticker inside unit cover 4 Booster heater extension cable 5 OVERVIEW OF UNIT 5 1 Opening of the outdoor and indoor unit Opening of the outdoor unit To gain access to the unit the service panels need to be opened a...

Страница 8: ...circuit side from the residential water circuit side This facilitates draining and filter replacement of the outdoor unit 16 Flow switch The flow switch checks the flow in the water circuit and protects the heat exchanger against freezing and the pump against damage In case the minimum required flow is not achieved the unit will be shut down 17 Pressure relief valve The pressure relief valve preve...

Страница 9: ...ly for installations with a domestic hot water tank installed The circuit breaker protects the booster heater in the domestic hot water tank against overload or short circuit 6 Cable tie mountings The cable tie mountings allow to fix the field wiring with cable ties to the switch box to ensure strain relief 7 Terminal blocks X3M X4M only for installations with a domestic hot water tank installed 8...

Страница 10: ...entially explosive atmosphere Choose a place solid enough to bear the weight and vibration of the unit where the operation noise will not be amplified All piping lengths and distances have been taken into consideration Since drain flows out of the unit do not place anything under the unit which must be kept away from moisture Take care that in the event of a water leak water cannot cause any damag...

Страница 11: ...start rotating very fast until it breaks Refer to the figures for installation of this unit in a place where the wind direction can be foreseen Turn the air outlet side toward the building s wall fence or screen Set the outlet side at a right angle to the direction of the wind Selecting an outdoor location in cold climates To prevent exposure to wind install the unit with its suction side facing t...

Страница 12: ...ipment on top of the unit 7 DIMENSIONS AND SERVICE SPACE 7 1 Dimensions of outdoor unit Unit of measurement mm 7 2 Dimensions of indoor unit Unit of measurement mm 7 3 Service space The space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is available Refer to the figure below Unit of measurement mm The installation space required on this drawing is fo...

Страница 13: ...ield supply 9 Booster heater 10 Heat exchanger coil 11 Domestic hot water tank optional FHL1 3 Floor heating loop field supply T1 3 Individual room thermostat field supply M1 3 Individual motorised valve to control loop FHL1 3 field supply C Control box I User interface Pump operation With no thermostat connected to the unit 1 the pump 3 can be configured to operate either as long as the unit is o...

Страница 14: ...N OFF setting of the heating cooling operation is done by the room thermostat and cannot be done by the user interface Domestic water heating Domestic water heating is as described under 8 2 Application 2 on page 11 8 4 Application 4 Space cooling and heating application without a room thermostat connected to the unit but with a heating only room thermostat controlling the floor heating and a heat...

Страница 15: ... for space heating operation not for the domestic water heating operation Domestic hot water in such an application is always provided by the domestic hot water tank which is connected to the Daikin 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 Heat exchanger 3 Pump 4 Shut off valve 5 Heater kit 6 Colle...

Страница 16: ...e sure to install the outdoor unit in the shade so that it is not influenced by the sun Frequent switching may cause corrosion of the boiler in an early stage Contact the manufacturer of the boiler During heating operation of the EBHQ unit the unit will operate so as to achieve the target leaving water temperature as set on the user interface When weather dependent operation is active the water te...

Страница 17: ... zones is above the thermostat set point the outdoor unit and pump will stop operating 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 FH...

Страница 18: ...dboard box When handling the unit take into account the following 9 3 Unpacking Outdoor unit Relief the unit from its packing material Unpack the unit completely according to the instructions mentioned Make sure that all accessories as mentioned in 4 2 Accessories supplied with the outdoor unit on page 5 are available in the unit Indoor unit Make sure that all accessories as mentioned in 4 3 Acces...

Страница 19: ... suitable for M5 4 Put the screws in the top plugs and hang the indoor unit on the screws 5 Put the screws in the bottom plugs 6 Fix the 4 screws firmly User interface installation The user interface must be mounted on the front panel of the indoor unit 1 Remove the front part of the user interface Insert a slotted screwdriver into the slots 1 in the rear part of the user interface and remove the ...

Страница 20: ...ng can withstand the water pressure maximum 3 bar static pressure of the pump The maximum waterpiping temperature is 65 C according to safety device setting Always use materials which are compatible with the water used in the system and with the materials used in the unit Select piping diameter in relation to required water flow and available external static pressure ESP of the pump The recommende...

Страница 21: ...with the unit respecting the water in and outlet If dirt 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 dust and dirt enter Use a good thread sealant for the sealing of the connections Th...

Страница 22: ... but prevent the hydraulics from bursting c The maximum allowed water volume is then reduced according to the figure Checking the maximum allowed water volume on page 19 CAUTION For installations with a domestic hot water tank the use of propylene glycol including necessary inhibitors is only allowed if classified as Category 3 according to EN1717 or equivalent based on national regulations In cas...

Страница 23: ...ith the unit and the instructions given below Never squeeze bundled cables and be sure that it does not come in contact with the non insulated piping and sharp edges Be sure no external pressure is applied to the terminal connections Power supply wires must be attached securely If the power supply has a missing or wrong N phase equipment will break down Be sure to establish an earth Do not earth t...

Страница 24: ...on transmission wiring 12 4 Requirements The power supply must be protected with the required safety devices i e a main switch or other means for disconnections a slow blow fuse on each phase and an earth leakage protector Selection and sizing of the wiring should be done in accordance with relevant local and national regulations based on the information mentioned in the table below Table Selectio...

Страница 25: ...oor switch box connections 1 Power supply 2 Indoor unit control signals 3 Indoor unit pump and heater control signals 4 Thermistor interconnection cable Procedure 1 Open the switch box cover 2 Using the appropriate cables route and connect the power supply cable and control cables to the appropriate terminals as shown on the wiring diagram supplied with the outdoor unit and according to the figure...

Страница 26: ...certain periods of time demand that the equipment only consumes a limited amount of electricity during certain periods of time The unit is designed to receive an input signal by which the unit switches into forced off mode At that moment the outdoor unit compressors will not operate Tightening torque N m M5 X3M 2 0 3 0 CAUTION 1 In case the use of stranded conductor wires is unavoidable for one re...

Страница 27: ...3 way valve floor heating domestic hot water PHC1 Optocoupler input circuit Q1DI Earth leakage circuit breaker Q2L Thermostat protector booster heater R1H EKRTR Humidity sensor R1T EKRTW Ambient sensor R2T EKRTETS External sensor floor or ambient R5T Domestic hot water thermistor S2S Benefit kWh rate power supply contact S3S Dual setpoint 2 contact S4S Dual setpoint 1 contact SS1 DIP switch TR1 Tr...

Страница 28: ...ROTECTION DEVICE 7 FOR EKHWSU V3 REFER TO OPTION MANUAL 8 FOR EKSOLHWAV1 REFER TO OPTION MANUAL 9 MAXIMUM LOAD 0 3 A 250 V AC MINIMUM LOAD 20 mA 5 V DC 10 230 VAC OUTPUT MAXIMUM LOAD 0 3 A SEVERAL WIRING POSSIBILITIES Item Cable bundle a a PS Power supply HV High voltage LV Low voltage Desciption Required number of conductors Maximum running current 1 HV Indoor unit control signals 3 GND Minimum c...

Страница 29: ...d 13 2 Room thermostat installation configuration on page 28 for more information and configuration options on pump operation in combination with a room thermostat Thermostat requirements Power supply 230 V AC or battery operated Contact voltage 230 V Procedure 1 Connect the thermostat cable to the appropriate terminals as shown on the wiring diagram and installation manual of the room thermostat ...

Страница 30: ...he space heating circuit is selected SPST 3 wire type 3 way valve The 3 way valve should be fitted as such that when terminal ports 9 and 10 are electrified the domestic hot water circuit is selected Spring return 2 wire valve SPST 3 wire valve NC 5 X2M 6 7 M NO 5 6 X2M 7 M 9 X2M 8 10 M 9 X2M 8 10 M DANGER It is important that all information in this chapter is read sequentially by the installer a...

Страница 31: ...schedule timers are not affected For more information on the schedule timers refer to the operation manual When the room thermostat is connected to the indoor unit and the button or y button is pressed the centralised control indicator e will flash to indicate that the room thermostat has priority and controls on off operation and change over operation Thermostat Configuration Pump operation y y y...

Страница 32: ...s 7 Fixation Check that the unit is properly fixed to avoid abnormal noises and vibrations when starting up the unit 8 Damaged equipment Check the inside of the unit on damaged components or squeezed pipes 9 Refrigerant leak Check the inside of the unit on refrigerant leakage If there is a refrigerant leak call your local dealer 10 Power supply voltage Check the power supply voltage on the local s...

Страница 33: ...onds in normal mode Note that no indication on the user interface is given When level 2 3 is selected the actual permission level either level 2 or level 3 is determined by the field setting 0 00 1 Weather dependent set point heating operation only The weather dependent set point field settings define the parameters for the weather dependent operation of the unit When weather dependent operation i...

Страница 34: ...t water mode is activated w 4 03 0 then booster heater operation is only allowed during 2 Disinfection function and Powerful domestic water heating see operation manual This setting is only recommended in case the capacity of the heat pump can cover the heating requirements of the house and domestic hot water over the complete heating season The result of this setting is that the domestic hot wate...

Страница 35: ...eating priority temperature field settings apply to operation of the 3 way valve and the booster heater in the domestic hot water tank When the space heating priority function is enabled it is assured that the full capacity of the heat pump is used for space heating only when the outdoor temperature equals or drops below the specified space heating priority temperature i e low outdoor temperature ...

Страница 36: ...be a potential risk for human injuries a mixing valve field supply shall be installed at the hot water outlet connection of the domestic hot water tank This mixing valve shall secure that the hot water temperature at the hot water tap never rise above a set maximum value This maximum allowable hot water temperature shall be selected according to local and national regulations TU User set point tem...

Страница 37: ...at pump OFF temperature THP OFF NOTICE There is no indication available which set point is active NOTICE The first set point heating cooling is the set point selected on the user interface In heating mode the first set point can be a fixed value or weather dependent In cooling mode the first set point is always a fixed value The second set point heating 7 03 should be linked to the heat emitters w...

Страница 38: ...mestic 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 NOTICE By adapting the booster heater delay time versus the maximum running time an optional balance can be found between the energy efficiency and the heat up time However if the boo...

Страница 39: ...tion is disabled the space heating by indoor unit is possible at all outdoor temperatures see operation ranges and permission signal for auxiliary boiler is always disactivated C 02 Bivalent operation status defines whether bivalent operation is enabled 1 or disabled 0 C 03 Bivalent ON temperature defines the outdoor temperature below which the permission signal for the auxiliary boiler will be ac...

Страница 40: ...ation only on page 31 is selected D 03 Local shift value weather dependent determines the shift value of the weather dependent set point around outdoor temperature of 0 C 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 ...

Страница 41: ...installed F 02 Bottom plate heater ON temperature defines the outdoor temperature 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 ...

Страница 42: ...FF 0 1 2 02 Space heating off temperature 25 14 25 1 C 03 Booster heater operation 3 0 1 2 3 04 Freeze up protection function 0 active Read only 5 Equilibrium temperature and space heating priority temperature 00 Equilibrium temperature status 1 ON 0 1 01 Equilibrium temperature 0 15 35 1 C 02 Space heating priority status 0 OFF 0 1 03 Space heating priority temperature 0 15 20 1 C 04 Set point co...

Страница 43: ... dependent 00 Switching off heaters 0 0 1 2 3 01 Unit connection to benefit kWh rate power supply 0 OFF 0 1 2 02 Not applicable Do not change the default value 0 03 Local shift value weather dependent 0 0 1 2 3 4 E Unit information readout 00 Software version Read only 01 EEPROM version Read only 02 Unit model identification Read only 03 Liquid refrigerant temperature Read only C 04 Inlet water te...

Страница 44: ...lfunctions an error code will be displayed on the user interface Otherwise the user interface will return to normal operation 4 To resolve the error codes see 17 3 Error codes on page 45 15 OPERATION OF THE UNIT Once the unit is installed and test operation of outdoor unit and indoor units is finished the operation of the unit can start For operating the indoor unit the user interface of the indoo...

Страница 45: ...aution at 10 5 Protecting the water circuit against freezing on page 20 Document the glycol concentration and the pH value in the system at least once a year A pH value below 8 0 indicates that a significant portion of the inhibitor has been depleted and that more inhibitor needs to be added When the pH value is below 7 0 then oxidation of the glycol occurred the system should be drained and flush...

Страница 46: ...kup heater etc during and immediately after operation Your hands may suffer burns if you touch the internal parts To avoid injury give the internal parts time to return to normal temperature or if you must touch them be sure to wear proper gloves 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...

Страница 47: ...is used for heating domestic hot water applies only to installations with a domestic hot water tank Check that the space heating priority temperature field settings are configured appropriately Make sure that the space heating priority status field setting 5 02 is enabled Raise the space heating priority temperature field setting 5 03 to activate booster heater operation at a higher outdoor temper...

Страница 48: ...the fan is not obstructed by dirt If the fan is not obstructed contact your local dealer E9 Malfunction of electronic expansion valve Contact your local dealer EC Domestic hot water temperature too high 89 C Check that the contactor of the electric booster heater is not short circuited Check that the domestic hot water thermistor is giving the correct read out F3 Too high discharge temperature e g...

Страница 49: ...ating dBA 61 62 Sound pressure heating dBA 48 49 Internal water volume l 5 5 Pressure relief valve water circuit bar 3 Operation range water side Heating C 15 50 Cooling a C 5 22 Domestic hot water by heat pump C 25 80 Operation range air side Heating C 15 25 Cooling C 10 43 Domestic hot water by heat pump C 15 35 Indoor unit EKCBX008BAV3 EKCBH008BAV3 Dimensions H x W x D mm 390 x 412 x 100 Weight...

Страница 50: ...NOTES ...

Страница 51: ...NOTES ...

Страница 52: ...4PW64602 1A 09 2010 Copyright 2010 Daikin ...

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