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Altherma EKHBX016AB, Installation Manual

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Altherma EKHBX016AB Installation Manual Download Page 28

Installation manual

25

EKHBH/X016AB

Indoor unit for air to water heat pump system

4PW42457-1

T

ECHNICAL

 

SPECIFICATIONS

General

Electrical specifications

Heating/cooling models (EKHBX) 

Heating only models (EKHBH)

Nominal capacity

• cooling

Refer to the Technical Data

• heating

Refer to the Technical Data

Dimensions H x W x D

922 x 502 x 361

922 x 502 x 361

Weight

• machine weight

55 kg

55 kg

• operation weight

70 kg

70 kg

Connections

• water inlet/outlet

1-1/4" MBSP

(a)

1-1/4" MBSP

(a)

• water drain

hose nipple

hose nipple

• refrigerant liquid side

Ø9.5 mm (3/8 inch)

Ø9.5 mm (3/8 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

2

2

Sound pressure level

(b)

28 dBA

28 dBA

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~+22°C

—

Operation range - air side

• heating

–20~+35°C

–20~+35°C

• cooling

+10~+46°C

—

• domestic hot 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

• maximum running current

See 

"Connection of the backup heater power supply" on page 12

Summary of Contents for EKHBX016AB

Page 1: ...INSTALLATION MANUAL EKHBH016AB EKHBX016AB Indoor unit for air to water heat pump system ...

Page 2: ...3 35 48 142 101 502 2 3 4 5 48 39 96 361 1 1 1 4 FBSP 1 1 4 MBSP 895 668 35 922 235 235 2 350 300 500 2x 2x 1x 1x 1x 1x 1x 2x 1 2 3 4 5 6 7 8 1 30 90 1 2 3 ...

Page 3: ...ten 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 ustanovení předpisu ...

Page 4: ...ed for both heating and cooling applications The units can be combined with Daikin fan coil units floor heating applications low temperature radiators domestic water heating applications and solar kit for domestic hot water applications Heating cooling units and heating only units The AD indoor unit range consists of two main versions a heating cooling EKHBX version and a heating only EKHBH versio...

Page 5: ...g and connecting all EKHBH X indoor unit models Model identification Indoor unit Drain pan kit optional ACCESSORIES Accessories supplied with the indoor unit See figure 1 1 Heat pump capacity 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 16 TA Ambi...

Page 6: ... 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 thermostat field supply Make sure to conn...

Page 7: ...e on the indoor unit Domestic water heating Domestic 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 through floor heating loop...

Page 8: ...n 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 loop field supply 7 Shut off valve 9 By pass valve field supply T Heatin...

Page 9: ...ater 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 must be cleaned on a regular base See Maintenance on page 21 15 Expansion vessel drain valve The drain valve of the expansion vessel allows draining the remaining water in the expansion vessel after draining with t...

Page 10: ...ector only for installations with domestic hot water tank 12 X9A socket The X9A socket receives the thermistor connector only for installations with domestic hot water tank 13 Pump fuse FU2 in line fuse 14 Pump relay K4M 15 Transformer TR1 16 A4P Solar remote alarm address card only for installations with solar kit or remote alarm kit 17 K7M relay for solar pump optional This relay and its output ...

Page 11: ...cessories 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 m Minimum r...

Page 12: ...oints 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 and fill valves is important for servicing See figure 3 Drain taps must be provided at all low points of the system to pe...

Page 13: ...th 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 no dust and dirt enter Use a good thr...

Page 14: ...ccording 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 electrician and must comply with relevant Europe...

Page 15: ...allations equipped with a domestic hot water tank optional require a dedicated power circuit for the booster heater Please refer to the domestic hot water tank installation manual 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...

Page 16: ...nts Power 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...

Page 17: ...rmostat connection see Room thermostat installation configuration on page 14 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 domestic water heating a only applicable in case DIP switch 2 ON Heating cooling priority No priority Default When no room thermostat is connecte...

Page 18: ... 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 dealer 9 Power supply voltage Check the power supply vo...

Page 19: ...iled 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 at least 5 seconds in nor...

Page 20: ...ing 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 heater is restricted to low outdoor tempe...

Page 21: ...eated and the domestic hot water set point temperature as set by the user has been reached the booster heater will continue to heat the domestic 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 domestic hot water step length field setting Correct setting prevents the booster heater from repeatedly t...

Page 22: ...aving 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 to the outdoor unit operating quietly under all circumstances Fan and compressor speed and thus p...

Page 23: ... 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 domestic hot water temperature 10 0 20 1 C 6 DT for domestic water heating 00 Start 5 1 20 1 C 01 Stop 2 2 10 1 C 7 Domesti...

Page 24: ...ntenance purposes 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 The described checks must be executed at least once a year 1 Water pressure Check if the water pressure is above 0 3 bar If necessary add water 2 Water filter Clean the water filter 3 Water pressure relief ...

Page 25: ...r water is hot Check that the pump speed setting is on the highest speed Make sure that the expansion vessel is not broken Check that the resistance in the water circuit is not too high for the pump refer to Setting the pump speed on page 16 The water volume in the installation is too low Make sure that the water volume in the installation is above the minimum required value refer to Checking the ...

Page 26: ...de w Push the y button Push the v button ON ON 1 time 1 time ON OFF 1 time OFF ON 1 time OFF OFF Error code Failure cause Corrective action 80 Inlet water temperature thermistor failure inlet water thermistor broken Contact your local dealer 81 Outlet water temperature thermistor failure outlet water temperature sensor broken Contact your local dealer 89 Water heat exchanger freeze up failure due ...

Page 27: ...ansion 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 due to outdoor coil blockage Clean the outdoor coil If the coil is clean contact your local dealer H3 Malfunctioning HPS...

Page 28: ... 10 l 10 l maximum working pressure MWP 3 bar 3 bar Pump type water cooled water cooled no of speed 2 2 Sound pressure level b 28 dBA 28 dBA 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 22 C Operation range air side heating 20 35 C 20 35 C cooling 10 46 C domestic hot water by heat pump 20 35 C 20 35 ...

Page 29: ...NOTES NOTES ...

Page 30: ...4PW42457 1 Copyright Daikin ...

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