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EKHBH/ EKSWW150-300V3/Z2

Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system

4PW36978-1C

Installation manual

12

Internal wiring - Parts table

Refer to the internal wiring diagram supplied with the unit (on the
inside of the indoor unit switch box cover). The abbreviations used
are listed below.

A1P ..................Main PCB

A2P ..................Remote controller PCB (user interface)

A3P ..................Thermostat (field supply, PC= internal Power Circuit)

E1H.......... *......Backup heater element 1

E2H.......... *......Backup heater element 2

E3H.......... *......Backup heater element 3

E4H......... #......Booster heater

F1B .......... *......Fuse backup heater

F2B ......... #......Fuse booster heater

F1T ..................Thermal fuse (250 V, 94°C)

FU1 ..................Fuse 3.15 A T 250 V

FU2 ..................Fuse 5 A T 250 V

K1M ......... *......Contactor backup heater step 1

K2M ......... *......Contactor backup heater step 2

K3M ........ #......Contactor booster heater

K4M .................Pump relay

K5M .................Contactor for thermal fuse

M1P .................Pump

M2S ...... ##......2-way valve for cooling mode

M3S ........ #......3-way valve: floor heating/sanitary warm water

Q1DI ................Earth leakage protector

Q1L .......... *......Thermal protector backup heater

Q2L ......... #......Thermal protector booster heater

R1T (A1P)........Outlet water heat exchanger thermistor

R2T .......... *......Outlet water backup heater thermistor

R3T ..................Refrigerant liquid side thermistor

R4T ..................Inlet water thermistor

R5T ......... #......SWW (sanitary warm water) thermistor

S1L ..................Flow switch

TR1 ..................Transformer 24 V for PCB

V1S ..................Spark suppression 1

V2S ..................Spark suppression 2

X1M-X4M.........Terminal blocks

Field wiring guidelines

■

Most field wiring on the indoor unit side is to be made on the
terminal block inside the switch box. To gain access to the
terminal block, remove the indoor unit cover and switch box
service panel, see 

"Opening the indoor unit" on page 5

.

■

Cable tie mountings are provided at the bottom of the switch
box. Fix all cables using cable ties.

■

A dedicated power circuit is required for the backup heater
(optional).

■

Installations equipped with a sanitary water tank (optional),
require a dedicated power circuit for the booster heater.

Please refer to 

"Sanitary water tank (optional)" on page 14

 for all

wiring specifications.

Connection of the indoor unit power supply and
communication cable

Power circuit and cable requirements

Power supply for the indoor unit is to be provided through the outdoor
unit. Data communication with the outdoor unit is provided through
the same cable.

For all guidelines and specifications regarding field wiring between
the indoor unit and the outdoor unit, please refer to the outdoor unit
installation manual.

Procedure

1

Using the appropriate cable, connect the power circuit to the
appropriate terminals as shown on the wiring diagram and the
illustration below.

2

Connect the earth conductor (yellow/green) to the earthing
screw on the switch box mounting plate.

3

Fix the cable with cable ties to the cable tie mountings to ensure
strain relief.

4

When routing out cables, make sure that these do not obstruct
mounting of the indoor unit cover, see 

figure 4

.

Note: only relevant field wiring is shown.

Connection of the backup heater power supply

Power circuit and cable requirements

This power circuit must be protected with the required safety devices
according to local and national regulations.

Select the power cable in accordance with relevant local and national
regulations. For the maximum running current of the backup heater,
refer to the table below.

*

Optional

#

Applications with sanitary water tank only

##

Heating/cooling applications only

■

Be sure to use a dedicated power circuit for the
backup heater. Never use a power circuit shared by
another appliance.

■

Use one and same dedicated power supply for the
outdoor unit, indoor unit, backup heater and booster
heater (sanitary water tank).

Indoor unit model

Backup heater 

capacity

Backup heater 

nominal voltage

Maximum 

running current

EKHB*016AA3V3

3 kW

1 x 230 V

13 A

EKHB*016AA6V3

6 kW

1 x 230 V

26 A

EKHB*016AA6WN

6 kW

3 x 400 V

8.6 A

EKHB*016AA9WN

9 kW

3 x 400 V

13 A

EKHB*016AA6T1

6 kW

3 x 230 V

15 A

EKHB*016AA9T1

9 kW

3 x 230 V

23 A

OPTION EKSWW

OPTION EKSWW

N

L

L2

L1

X3M (230V)

2

1

X4M

OPTIONAL

X2M

18

17

16

15

Q2L

3-way valve

2-way valve

12

11

4

thermostat

2

1

3

5

6

7

8

9

10

13

14

thermal
 fuse

F2B

F1B

A1P

K4M

X4M

X2M

X3M

X1M

1 2 3

1

3

2

X1M

1 2 3

Содержание EKHBH016AA

Страница 1: ...INSTALLATION MANUAL EKHBH016AA EKHBX016AA EKSWW150V3 EKSWW200V3 EKSWW300V3 EKSWW200Z2 EKSWW300Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system ...

Страница 2: ... 5 6 7 1 2 3 5 4 3 4 5 350 300 35 48 35 668 895 922 39 361 48 142 101 235 235 502 500 23 30 4 7 400 90 200 1 2 3 4 5 3 4 FBSP 1 2 FBSP 0 40 0 H 300 630 220 110 1 2 3 4 5 6 Ø580 3 4 FBSP 3 4 FBSP 3 4 FBSP 1150 1 1 4 FBSP 1 1 4 MBSP 96 30 90 1 2 3 5 4 ...

Страница 3: ...ß den Vorschriften der 03 conformément aux stipulations des 04 overeenkomstig de bepalingen van 05 siguiendo las disposiciones de 06 secondo le prescrizioni per 07 Ì ٠ÚËÛË Ùˆv È Ù Íˆv 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 ustan...

Страница 4: ...nit is the indoor part of the reversible air to water Daikin ERHQ heat pumps These units are designed for wall mounted indoor installation and used for both heating and cooling applications The units can be combined with Daikin fan coil units floor heating applications low temperature radiators and sanitary water heating applications Heating cooling units and heating only units The indoor unit ran...

Страница 5: ...acity 2 Required heating capacity site dependent 3 Additional heating capacity provided by the backup heater 4 Equilibriumtemperature can be set through the user interface refer to Field settings on page 19 TA Ambient outdoor temperature PH Heating capacity NOTE Especially for the United Kingdom For installation of an EKSWWU sanitary water tank refer to the installation manual supplied with the EK...

Страница 6: ...ed in series with another heat source e g gas boiler it shall be made sure that the return water temperature to the heat exchanger does not exceed 55 C Daikin shall not be held liable for any damage resulting from not observing this rule 1 Outdoor unit 6 Collector field supply 2 Indoor unit 7 Shut off valve 3 Heat exchanger FHL1 3 Floor heating loop field supply 4 Pump 5 Shut off valve T Room ther...

Страница 7: ... be done by the user interface on the indoor unit Sanitary heating Sanitary water heating is as described under Application 2 on page 3 Application 4 Space cooling and heating application without a room thermostat connected to the indoor unit but with a heating only room thermostat controlling the floor heating and a cooling heating thermostat controlling the fan coil units Heating is provided thr...

Страница 8: ...internals 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 1 Outdoor unit 14 Motorised 2 way valve for activation of the room thermostat field supply 2 Indoor unit 3 Heat exchanger 4 Pump FCU1 3 Fan coil unit with thermostat field supply 5 Shut off valve 6 Collector field supply FHL1 3 Floor heating...

Страница 9: ...r unit 11 Water inlet connection 12 Water outlet connection 13 Drain and fill valves 14 Water filter The water filter removes dirt from the water to prevent damage to the pump or blockage of the evaporator The water filter should be cleaned on a regular base See Maintenance on page 25 15 Expansion vessel drain valve The drain valve of the expansion vessel allows draining the remaining water in the...

Страница 10: ...IP switch SS2 The DIP switch SS2 provides 4 toggle switches to configure certain installation parameters See DIP switch settings overview on page 17 11 X13A socket The X13A socket receives the K3M connector only for installations with sanitary water tank 12 X9A socket The X9A socket receives the thermistor connector only for installations with sanitary water tank 13 Pump fuse FU2 in line fuse 14 P...

Страница 11: ...ries see Accessories on page 2 are enclosed Bring the unit as close as possible to its final installation position in its original package in order to prevent damage during transport The indoor unit weighs approximately 55 kg and should be lifted by two persons using the two lifting bars provided Requirement Value Maximum allowable refrigerant piping length between outdoor unit and indoor unit 75 ...

Страница 12: ...tallation of the unit check the following points The maximum water pressure is 3 bar Two shut off valves are delivered with the unit To facilitate service and maintenance install one at the water inlet and one at the water outlet of the indoor unit Mind position of the shut off valves Orientation of the integrated drain valves is important for servicing See figure 4 Drain taps must be provided at ...

Страница 13: ...ections must be made in accordance with the outlook diagram delivered with the unit respecting the water in and outlet If air moisture or dust gets in the water circuit problems may occur Therefore always take into account the following when connecting the water circuit Use clean pipes only Hold the pipe end downwards when removing burrs Cover the pipe end when inserting it through a wall so that ...

Страница 14: ...essure relief valve Water quality must be according to EN directive 98 83 EC WARNING A main switch or other means for disconnection having a contact separation in all poles must be incorporated in the fixed wiring in accordance with relevant local and national legislation Switch off the power supply before making any connections All field wiring and components must be installed by a licensed elect...

Страница 15: ... all wiring specifications Connection of the indoor unit power supply and communication cable Power circuit and cable requirements Power supply for the indoor unit is to be provided through the outdoor unit Data communication with the outdoor unit is provided through the same cable For all guidelines and specifications regarding field wiring between the indoor unit and the outdoor unit please refe...

Страница 16: ...wer supply 230 V AC Maximum running current 100 mA Wiring the 2 way valve 1 Using the appropriate cable connect the valve control cable to the X2M terminal as shown on the wiring diagram 2 Fix the cable s with cable ties to the cable tie mountings to ensure strain relief Wiring the 3 way valve 1 Using the appropriate cable connect the valve control cable to the appropriate terminals as shown on th...

Страница 17: ...e water outlet temperature during use Immediately after installation the sanitary 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 In case of limited consumption of hot water e g at holiday residences or at houses that are occasionally not occupied the sanitary water tank installation must be fitted with...

Страница 18: ...el make sure the wall is sturdy In both cases make sure the 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 1 Connect the water inlet and water outlet 2 Connect the hot and cold water supply tubes 3 Connect the pressure relief valve field supply opening pres...

Страница 19: ...e 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...

Страница 20: ...talled Not installed Default 3 Room thermostat connection see Room thermostat installation configuration on page 17 Room thermostat connected No room thermostat connected Default 4 This setting a decides the operation mode when there is a simultaneous demand for more space heating cooling and sanitary water heating a only applicable in case DIP switch 2 ON Heating cooling Sanitary Default When no ...

Страница 21: ...box on loose connections or damaged electrical components 6 Fixation Check that the unit is properly fixed to avoid abnormal noises and vibrations when starting up the unit 7 Damaged equipment Check the inside of the unit on damaged components or squeezed pipes 8 Refrigerant leak Check the inside of the unit on refrigerant leakage If there is a refrigerant leak call your local Daikin dealer 9 Powe...

Страница 22: ...o exit FIELD SET MODE Detailed description 0 User permission level If required certain user interface buttons can be made unavailable for the user Three permission levels are defined see the table below Switching between level 1 and level 2 3 is done by simultaneously pressing buttons pfi and pfj immediately followed by simultaneously pressing buttons s and ba and keeping all 4 buttons pressed for...

Страница 23: ...heating off temperature 4 02 Space heating off temperature outdoor temperature above which space heating is turned off to avoid overheating 5 Equilibrium temperature and space heating priority temperature Equilibrium temperature The equilibrium temperature field settings apply to operation of the optional backup heater When the equilibrium temperature function is enabled operation of the backup he...

Страница 24: ...ry water tank When the sanitary water is heated and the sanitary water set point temperate as set by the user has been reached the booster heater will continue to heat the sanitary water to a temperature a few degrees above the set point temperature i e the booster heater OFF temperature These extra degrees are specified by the sanitary water step length field setting Correct setting prevents the ...

Страница 25: ...mum leaving water temperature for heating operation 9 02 Cooling set point upper limit maximum leaving water temperature for cooling operation 9 03 Cooling set point lower limit minimum leaving water temperature for cooling operation A Quiet mode This field setting allows to select the desired quiet mode Two quiet modes are available quiet mode A and quiet mode B In quiet mode A priority is given ...

Страница 26: ...atus 1 ON 0 1 01 Priority 0 OFF 0 1 02 Space heating off temperature 35 14 35 1 C 5 Equilibrium temperature and space heating priority temperature 00 Equilibrium temperature status 1 ON 0 1 01 Equilibrium temperature 0 15 20 1 C 02 Space heating priority status 0 OFF 0 1 03 Space heating priority temperatures 0 15 20 1 C 04 Set point correction for sanitary water temperature 10 0 20 1 C 6 DT for s...

Страница 27: ...d as follows when no action is performed the user interface will return to normal mode after 10 seconds or by pressing the z button once To test the heating operation push the h c button so the h icon is displayed To start the test run operation press the y button To test the cooling operation push the h c button so the c icon is displayed To start the test run operation press the y button To test...

Страница 28: ... unit and look for obvious defects such as loose connections or defective wiring Before contacting your local Daikin dealer read this chapter carefully it will save you time and money 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 ...

Страница 29: ... reset button Check whether booster heater and backup heater are configured to operate simultaneously field setting 4 02 see Field settings on page 19 Check whether or not the thermal fuse of the backup heater is blown refer to Main components Backup heater thermal fuse on page 6 for location of the reset button The backup heater equilibrium temperature has not been configured correctly Raise the ...

Страница 30: ...e refer to Technical specifications on page 28 Contact your local Daikin dealer E7 Fan lock failure fan is locked Check if the fan is not obstructed by dirt If the fan is not obstructed contact your local Daikin dealer E9 Malfunction of electronic expansion valve Contact your local Daikin dealer EC Sanitary water temperature too high 89 C Check that the contactor of the electric booster heater is ...

Страница 31: ...ry water by heat pump 20 35 C 20 35 C a MBSP Male British Standard Pipe b At 1 m in front of the unit free field condition Heating cooling models EKHBX Heating only models EKHBH Standard unit power supply via outdoor unit Power supply 230 V 50 Hz 1P Nominal running current See outdoor unit installation manual Backup heater Power supply See Connection of the backup heater power supply on page 12 Ma...

Страница 32: ...Zandvoordestraat 300 B 8400 Oostende Belgium 4PW36978 1C Copyright Daikin ...

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