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Daikin Altherma 3 H HT F Installer'S Reference Manual Download Page 130

9

 | 

Electrical installation

Installer reference guide

130

EPRA14~18D + ETV23E

Daikin Altherma 3 H HT F

4P644738-1A – 2022.03

A

1

2

4

5

S6S

S7S

S8S

S9S

3

B

A

B

A8P

X801M

a

1 2 3 4 5

a

Installation of EKRP1AHTA is required.

3

Fix the cable with cable ties to the cable tie mountings.

9.3.10 To connect the safety thermostat (normally closed contact)

Wires: 2×0.75 mm²

Maximum length: 50 m

Safety thermostat contact: 16 V DC detection (voltage supplied by PCB).
The voltage-free contact shall ensure the minimum applicable load of
15 V DC, 10 mA.

—

1

Open the following (see 

"7.2.6 To open the indoor unit"

 [

4

 71]):

1

Top panel

1

2

3

2

User interface panel

3

Upper switch box cover

2

Connect  the  safety  thermostat  (normally  closed)  cable  to  the  appropriate
terminals as shown in the illustration below.

Note: 

 The jumper wire (factory-mounted) must be removed from the respective

terminals.

Summary of Contents for Altherma 3 H HT F

Page 1: ...Installer reference guide Daikin Altherma 3 H HT F EPRA14D V3 EPRA16D V3 EPRA18D V3 EPRA14D W1 EPRA16D W1 EPRA18D W1 ETVH16SU18E 6V ETVH16SU23E 6V A B C Z 1 2 3 9 https daikintechnicaldatahub eu ...

Page 2: ... and outdoor unit 30 5 2 2 Possible options for the outdoor unit 30 5 2 3 Possible options for the indoor unit 31 6 Application guidelines 34 6 1 Overview Application guidelines 34 6 2 Setting up the space heating cooling system 35 6 2 1 Single room 36 6 2 2 Multiple rooms One LWT zone 40 6 2 3 Multiple rooms Two LWT zones 44 6 3 Setting up an auxiliary heat source for space heating 49 6 4 Setting...

Page 3: ... water piping 92 8 2 4 To connect the water piping for domestic hot water 95 8 2 5 To connect the recirculation piping 98 8 2 6 To fill the water circuit 98 8 2 7 To protect the water circuit against freezing 98 8 2 8 To fill the domestic hot water tank 102 8 2 9 To insulate the water piping 102 9 Electrical installation 104 9 1 About connecting the electrical wiring 104 9 1 1 Precautions when con...

Page 4: ... 234 11 4 4 Actuator test run 235 11 4 5 Underfloor heating screed dryout 236 12 Hand over to the user 240 13 Maintenance and service 241 13 1 Maintenance safety precautions 241 13 2 Yearly maintenance 241 13 2 1 Yearly maintenance outdoor unit overview 241 13 2 2 Yearly maintenance outdoor unit instructions 242 13 2 3 Yearly maintenance indoor unit overview 242 13 2 4 Yearly maintenance indoor un...

Page 5: ...258 14 4 2 Error codes of the unit 258 15 Disposal 263 15 1 To recover refrigerant 263 15 1 1 To manually open the electronic expansion valves 264 15 1 2 Recovery mode 265 16 Technical data 267 16 1 Service space Outdoor unit 268 16 2 Piping diagram Outdoor unit 269 16 3 Piping diagram Indoor unit 270 16 4 Wiring diagram Outdoor unit 271 16 5 Wiring diagram Indoor unit 276 16 6 Technical specifica...

Page 6: ...y step instructions and background information for basic and advanced usage Format Digital files on https www daikin eu Use the search function to find your model Installation manual Outdoor unit Installation instructions Format Paper in the box of the outdoor unit Installation manual Indoor unit Installation instructions Format Paper in the box of the indoor unit Installer reference guide Prepara...

Page 7: ...nstallation and configuration of heating systems To access Heating Solutions Navigator registration to the Stand By Me platform is required For more information see https professional standbyme daikin eu Daikin e Care Mobile app for installers and service technicians that allows you to register configure and troubleshoot heating systems The mobile app can be downloaded for iOS and Android devices ...

Page 8: ...ore performing maintenance and service tasks read the service manual For more information see the installer and user reference guide The unit contains rotating parts Be careful when servicing or inspecting the unit Symbols used in the documentation Symbol Explanation Indicates a figure title or a reference to it Example 1 3 Figure title means Figure 3 in chapter 1 Indicates a table title or a refe...

Page 9: ... know to install the electrical components of the system including information on how to prepare for an installation Configuration What to do and know to configure the system after it is installed Commissioning What to do and know to commission the system after it is configured Hand over to the user What to give and explain to the user Maintenance and service How to maintain and service the units ...

Page 10: ...n electrical shock short circuit leaks fire or other damage to the equipment ONLY use accessories optional equipment and spare parts made or approved by Daikin WARNING Make sure installation testing and applied materials comply with applicable legislation on top of the instructions described in the Daikin documentation WARNING Tear apart and throw away plastic packaging bags so that nobody especia...

Page 11: ...owing places In potentially explosive atmospheres In places where there is machinery that emits electromagnetic waves Electromagnetic waves may disturb the control system and cause malfunction of the equipment In places where there is a risk of fire due to the leakage of flammable gases example thinner or gasoline carbon fibre ignitable dust In places where corrosive gas example sulphurous acid ga...

Page 12: ... than the specified amount of refrigerant When the refrigerant system is to be opened refrigerant MUST be treated according to the applicable legislation NOTICE Make sure refrigerant piping installation complies with applicable legislation In Europe EN378 is the applicable standard NOTICE Make sure the field piping and connections are NOT subjected to stress NOTICE After all the piping has been co...

Page 13: ...r more information NOTICE Make sure water quality complies with EU directive 2020 2184 2 1 5 Electrical DANGER RISK OF ELECTROCUTION Turn OFF all power supply before removing the switch box cover connecting electrical wiring or touching electrical parts Disconnect the power supply for more than 10 minutes and measure the voltage at the terminals of main circuit capacitors or electrical components ...

Page 14: ...r WARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up the unit CAUTION When connecting the power supply connect the earth cable first before making the current carrying connections When disconnecting the power supply disconnect the current carryi...

Page 15: ... the radio waves a distance of 1 meter may NOT be sufficient NOTICE ONLY applicable if the power supply is three phase and the compressor has an ON OFF starting method If there exists the possibility of reversed phase after a momentary black out and the power goes ON and OFF while the product is operating attach a reversed phase protection circuit locally Running the product in reversed phase can ...

Page 16: ... this manual for correct installation of the unit Outdoor unit See 16 1 Service space Outdoor unit 4268 Indoor unit See 7 1 3 Installation site requirements of the indoor unit 467 Special requirements for R32 see 7 1 1 Installation site requirements of the outdoor unit 464 WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use means to accelerate the defrosting process or to clean the eq...

Page 17: ...r unit see 7 4 Mounting the indoor unit 481 WARNING Fixing method of the indoor unit MUST be in accordance with the instructions from this manual See 7 4 Mounting the indoor unit 481 Piping installation see 8 Piping installation 484 WARNING Field piping method MUST be in accordance with the instructions from this manual See 8 Piping installation 484 WARNING The discharge pipes from the pressure re...

Page 18: ...ince the presence may lead to the precipitation of certain components in the glycol s corrosion inhibitor WARNING Ethylene glycol is toxic Electrical installation see 9 Electrical installation 4104 DANGER RISK OF ELECTROCUTION WARNING Electrical wiring connection method MUST be in accordance with the instructions from This manual See 9 Electrical installation 4104 The wiring diagram of the outdoor...

Page 19: ...d may cause accidents WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating fan See 7 3 6 To install the discharge grille 478 7 3 7 To remove the discharge grille and put the grille in safety position 479 CAUTION Do NOT push or place redundant cable length in the unit WARNING If the supply cord is d...

Page 20: ...egislation CAUTION Make sure that the disinfection function start time 5 7 3 with defined duration 5 7 5 is NOT interrupted by possible domestic hot water demand Commissioning see 11 Commissioning 4230 WARNING Commissioning method MUST be in accordance with the instructions from this manual See 11 Commissioning 4230 Maintenance and service see 13 Maintenance and service 4241 DANGER RISK OF ELECTRO...

Page 21: ...ce MUST NOT be supplied through an external switching device such as a timer or connected to a circuit that is regularly turned ON and OFF by the utility WARNING Air purging heat emitters or collectors Before you purge air from heat emitters or collectors check if or is displayed on the home screen of the user interface If not you can purge air immediately If yes make sure that the room where you ...

Page 22: ...n advance the path along which you want to bring the unit to its final installation position In this chapter 4 1 Outdoor unit 22 4 1 1 To handle the outdoor unit 22 4 1 2 To unpack the outdoor unit 24 4 1 3 To remove the accessories from the outdoor unit 25 4 2 Indoor unit 26 4 2 1 To unpack the indoor unit 26 4 2 2 To remove the accessories from the indoor unit 26 4 2 3 To handle the indoor unit ...

Page 23: ...E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 Forklift or pallet truck Enter the pallet from the heavy side Manually After unpacking carry the unit using the slings attached to the unit See also 4 1 2 To unpack the outdoor unit 424 7 3 4 To install the outdoor unit 475 ...

Page 24: ...4 About the box Installer reference guide 24 EPRA14 18D ETVH16SU18 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 150 kg 4 4 1 2 To unpack the outdoor unit 1 2 3 4 ...

Page 25: ...Drain socket c Shut off valve with integrated filter d Thermistor fixture for installations in areas with low ambient temperatures e Compressor cover piece f Installation manual Outdoor unit g Disposal manual Recovering refrigerant h Energy label i Discharge grille upper lower part j Installation manual Discharge grille NOTICE Unpacking When you remove the top packaging accessories hold the box co...

Page 26: ...h to mount onto the pressure relief valve discharge pipe d Brass compression coupler e Discharge pipe for pressure relief valve f General safety precautions g Addendum book for optional equipment h Indoor unit installation manual i Operation manual j WLAN cartridge k Sealing rings for shut off valves space heating water circuit l Sealing rings for field supplied shut off valves domestic hot water ...

Page 27: ...ef valve combination Water inlet and water outlet 22 mm connection discharge piping connection 15 mm b Adaptor 22 mm 3 4 Female BSP c T piece 22 mm 22 mm 22 mm d Tundish 15 mm inlet 22 mm outlet e Wall mounting set for expansion vessel f Instruction sheet g Expansion vessel of 18 l 3 4 Male BSP NOTICE All piping MUST be installed according to section G3 of the Building Regulations 4 4 Checklist fo...

Page 28: ...44738 1A 2022 03 Delivered with domestic hot water tank kit Pressure reducing valve pressure relief valve combination Adaptor 22 mm 3 4 Female BSP T piece 22 mm 22 mm 22 mm Tundish 15 mm inlet 22 mm outlet Wall mounting set for expansion vessel Instruction sheet Expansion vessel of 18 l 3 4 Male BSP ...

Page 29: ...29 5 1 2 Identification label Indoor unit 30 5 2 Combining units and options 30 5 2 1 Possible combinations of indoor unit and outdoor unit 30 5 2 2 Possible options for the outdoor unit 30 5 2 3 Possible options for the indoor unit 31 5 1 Identification 5 1 1 Identification label Outdoor unit Location Model identification Example EP R A 14 DA V3 7 Code Explanation EP European hydro split outdoor ...

Page 30: ...Stainless steel U UK model 23 Integrated tank volume EA Model series 6V Backup heater model 7 Model series 5 2 Combining units and options INFORMATION Certain options may NOT be available in your country 5 2 1 Possible combinations of indoor unit and outdoor unit Indoor unit Outdoor unit EPRA14 18D D model EPRA14 18D 7 D7 model ETVH16 E E model O ETVH16 E 7 E7 model O 5 2 2 Possible options for th...

Page 31: ...stallation instructions see the installation manual of the room thermostat and addendum book for optional equipment Remote sensor for wireless thermostat EKRTETS You can use the remote indoor temperature sensor EKRTETS only in combination with the wireless thermostat EKRTR1 or EKRTRB For installation instructions see the installation manual of the room thermostat and the addendum book for optional...

Page 32: ...t either the remote indoor sensor or the remote outdoor sensor PC cable EKPCCAB4 The PC cable makes a connection between the hydro PCB A1P of the indoor unit and a PC It gives the possibility to update the hydro software and EEPROM For installation instructions see Installation manual of the PC cable 10 1 2 To connect the PC cable to the switch box 4140 Heat pump convector FWX For providing space ...

Page 33: ...rface HCI used as room thermostat can only be used in combination with the user interface connected to the indoor unit The Human Comfort Interface HCI used as room thermostat needs to be installed in the room that you want to control For installation instructions see the installation and operation manual of the Human Comfort Interface HCI as room thermostat and the addendum book for optional equip...

Page 34: ...e power supply 56 6 5 4 Preferential kWh rate power supply 58 6 6 Setting up the power consumption control 58 6 6 1 Permanent power limitation 59 6 6 2 Power limitation activated by digital inputs 60 6 6 3 Power limitation process 61 6 6 4 BBR16 power limitation 62 6 7 Setting up an external temperature sensor 62 6 1 Overview Application guidelines The purpose of the application guidelines is to g...

Page 35: ...closed contact thermo ON open contact thermo OFF 6 2 Setting up the space heating cooling system The heat pump system supplies leaving water to heat emitters in one or more rooms Because the system offers a wide flexibility to control the temperature in each room you need to answer the following questions first How many rooms are heated or cooled by the heat pump system Which heat emitter types ar...

Page 36: ...tting Value Unit temperature control 2 9 Code C 07 2 Room thermostat Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface Number of water temperature zones 4 4 Code 7 02 0 Single zone Main Benefits Highest comfort and efficiency The smart room thermostat functionality can decrease or increase the desired leaving water temperature based on the actual r...

Page 37: ...ptional equipment EKRTR1 or EKRTRB Configuration Setting Value Unit temperature control 2 9 Code C 07 1 External room thermostat Unit operation is decided by the external thermostat Number of water temperature zones 4 4 Code 7 02 0 Single zone Main External room thermostat for the main zone 2 A Code C 05 1 1 contact When the used external room thermostat or heat pump convector can only send a ther...

Page 38: ...f the heat pump convectors The installation manual of the heat pump convector options The addendum book for optional equipment The space heating cooling demand signal is sent to one digital input on the indoor unit X2M 35 and X2M 30 The space operation mode is sent to the heat pump convectors by one digital output on the indoor unit X2M 4 and X2M 3 Configuration Setting Value Unit temperature cont...

Page 39: ...o the outdoor unit 4108 9 3 Connections to the indoor unit 4116 The heat pump convectors are directly connected to the indoor unit A shut off valve field supply is installed before the underfloor heating to prevent condensation on the floor during cooling operation The desired room temperature is set via the controller of the heat pump convectors There are different controllers and setups possible...

Page 40: ...omfort The combination of the two heat emitter types provides The excellent heating comfort of the underfloor heating The excellent cooling comfort of the heat pump convectors 6 2 2 Multiple rooms One LWT zone If only one leaving water temperature zone is needed because the design leaving water temperature of all heat emitters is the same you do NOT need a mixing valve station cost effective Examp...

Page 41: ...alled before the underfloor heating in each of the other rooms INFORMATION Mind situations where the main room can be heated by another heating source Example Fireplaces Configuration Setting Value Unit temperature control 2 9 Code C 07 2 Room thermostat Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface Number of water temperature zones 4 4 Code 7 ...

Page 42: ...thermostats are connected to the shut off valves but do NOT have to be connected to the indoor unit The indoor unit will supply leaving water all the time with the possibility to program a leaving water schedule Configuration Setting Value Unit temperature control 2 9 Code C 07 0 Leaving water Unit operation is decided based on the leaving water temperature Number of water temperature zones 4 4 Co...

Page 43: ...he indoor unit X2M 35 and X2M 30 The indoor unit will only supply leaving water temperature when there is an actual demand INFORMATION To increase comfort and performance we recommend to install the valve kit option EKVKHPC on each heat pump convector Configuration Setting Value Unit temperature control 2 9 Code C 07 1 External room thermostat Unit operation is decided by the external thermostat N...

Page 44: ...ual of the heat pump convector options The addendum book for optional equipment For each room with underfloor heating The desired room temperature is set via the external room thermostat wired or wireless The user interface integrated in the indoor unit decides the space operation mode Mind that the operation mode on each external room thermostat and controller of the heat pump convectors must be ...

Page 45: ...al example Room zone Heat emitters Design temperature Living room main zone Underfloor heating In heating 35 C In cooling a 20 C only refreshment no real cooling allowed Bed rooms additional zone Heat pump convectors In heating 45 C In cooling 12 C a In cooling mode you can allow the underfloor heating main zone to provide refreshment no real cooling or NOT allow it See setup below Setup Three biz...

Page 46: ...llers b Dedicated Human Comfort Interface BRC1HHDA used as room thermostat c Mixing valve station d Pressure regulating valve field supply e Safety thermostat field supply f Bizone kit control box EKMIKPOA g Bypass valve h Hydraulic separator balancing bottle i Direct pump for additional zone e g unmixed pump group EKMIKHUA INFORMATION A pressure regulating valve should be implemented before the m...

Page 47: ...activate the setpoint screen of 2 Main zone and 1 Room Set the leaving water temperature of the main zone NOT too low typically 20 C If NOT allowed install a shut off valve field supply and connect it to X2M 21 and X2M 28 for a normally open valve or X2M 21 and X2M 29 for a normally closed valve For the additional zone The heat pump convectors are directly connected to the indoor unit The desired ...

Page 48: ...ting or cooling demand Bizone kit installed 9 P 1 Code E 0B 2 Yes A bizone kit is installed in order to add an additional temperature zone Bizone system type 9 P 2 Code E 0C 0 Without hydraulic separator no direct pump 1 With hydraulic separator no direct pump 2 With hydraulic separator with direct pump See 3 system variations described above Shut off valve output Set to follow the thermo demand o...

Page 49: ...starts operating Which of these units operates depends on the outdoor temperature status of the changeover to external heat source When the permission is given to the auxiliary boiler the space heating by the indoor unit is turned OFF Domestic hot water is always produced by the DHW tank connected to the indoor unit Bivalent operation is only possible if space heating is turned ON INFORMATION Duri...

Page 50: ...ion also make sure that there is an expansion vessel in the auxiliary boiler loop Otherwise when bivalent operation is running and if the Aquastat valve would close there would be no expansion vessel in the water circuit anymore Install the digital I O PCB option EKRP1HBAA Connect X1 and X2 changeover to external heat source on the digital I O PCB to the auxiliary boiler See 9 3 8 To connect the c...

Page 51: ...f the auxiliary contact is an outdoor temperature thermostat install the thermostat in the shadow so that it is NOT influenced or turned ON OFF by direct sunlight Frequent changeover may cause corrosion of the auxiliary boiler Contact the manufacturer of the auxiliary boiler for more information Setpoint of the auxiliary gas boiler To prevent freeze up of the water piping the auxiliary gas boiler ...

Page 52: ...n Answer the following questions and calculate the DHW consumption equivalent hot water volume at 40 C using typical water volumes Question Typical water volume How many showers are needed per day 1 shower 10 min 10 l min 100 l How many baths are needed per day 1 bath 150 l How much water is needed at the kitchen sink per day 1 sink 2 min 5 l min 10 l Are there any other domestic hot water needs E...

Page 53: ...or temperature the better the performance of the heat pump If energy prices are the same during the day and the night we recommend to heat up the DHW tank during the day If energy prices are lower during the night we recommend to heat up the DHW tank during the night When the heat pump produces domestic hot water depending on total heating demand and the scheduled priority setting it might not be ...

Page 54: ...he domestic hot water pump 4125 For more information about connecting the recirculation connection see 8 2 5 To connect the recirculation piping 498 Configuration For more information see 10 Configuration 4137 You can program a schedule to control the DHW pump via the user interface For more information see the user reference guide 6 4 5 DHW pump for disinfection Setup a b c d e a Cold water IN b ...

Page 55: ...data Produced heat Consumed energy You can read out the energy data For space heating For space cooling For domestic hot water production You can read out the energy data Per month Per year INFORMATION The calculated produced heat and consumed energy are an estimation the accuracy cannot be guaranteed 6 5 1 Produced heat INFORMATION The sensors used to calculate the produced heat are calibrated au...

Page 56: ...urate energy data measure the capacity resistance measurement and set the capacity via the user interface for the backup heater step 1 Measuring the consumed energy Preferred method because of higher accuracy Requires external power meters Setup and configuration When using electrical power meters set the number of pulses kWh for each power meter via the user interface INFORMATION When measuring t...

Page 57: ...cal cabinet L1 L2 L3 N b Power meter L1 L2 L3 N c Fuse L1 L2 L3 N d Outdoor unit L1 L2 L3 N e Indoor unit L1 N f Backup heater L1 L2 L3 N Exception You can use a second power meter if The power range of one meter is insufficient The electrical meter cannot easily be installed in the electrical cabinet 230 V and 400 V three phase grids are combined very uncommon because of technical limitations of ...

Page 58: ...kup heater configuration use a single phase power meter In other cases use a three phase power meter Example Single phase outdoor unit with a three phase backup heater e f e i h g A B b a d 450896 005 c 580 1 50 0 0 580 1 50 0 0 X5M 3 4 X5M 5 6 S1S X5M 9 10 A Outdoor unit B Indoor unit a Electrical cabinet L1 N Preferential kWh rate power supply b Electrical cabinet L1 L2 L3 N Normal kWh rate powe...

Page 59: ...sumption controls If you do so the unit uses the most restrictive control NOTICE It is possible to install a field fuse with lower than recommended rating over the heat pump For this you must modify field setting 2 0E according to the maximum allowed current over the heat pump Note that field setting 2 0E overrules all power consumption control settings Power limiting the heat pump will reduce per...

Page 60: ...ximum four steps Each power limitation level is set via the user interface by limiting one of the following Current in A Power input in kW The energy management system field supply decides the activation of a certain power limitation level Example To limit the maximum power of the entire house lighting domestic appliances space heating a b A B C 1 2 3 4 5 A8P A Outdoor unit B Indoor unit C Energy ...

Page 61: ...ch digital input INFORMATION In case more than 1 digital input is closed at the same time the digital input priority is fixed DI4 priority DI1 6 6 3 Power limitation process The outdoor unit has better efficiency than the electrical heater Therefore the electrical heater is limited and turned OFF first The system limits power consumption in the following order 1 Turns OFF the backup heater 2 Limit...

Page 62: ...on when you must comply with BBR16 regulations Swedish energy regulations You can combine the BBR16 power limitation with the other kW power consumption controls If you do so the unit uses the most restrictive control Pi t BBR16 a b Pi Power input t Time BBR16 BBR16 limit level a Power limitation active b Actual power input Setup and configuration No additional equipment needed Set the power consu...

Page 63: ...the outdoor unit must be installed on a location At the north side of the house or at the side of the house where the most heat emitters are located That is NOT exposed to direct sunlight If this is NOT possible we recommend to connect a remote outdoor sensor option EKRSCA1 Setup For installation instructions see the installation manual of the remote outdoor sensor and the addendum book for option...

Page 64: ...n mounting the outdoor unit 74 7 3 3 To provide the installation structure 74 7 3 4 To install the outdoor unit 75 7 3 5 To provide drainage 76 7 3 6 To install the discharge grille 78 7 3 7 To remove the discharge grille and put the grille in safety position 79 7 4 Mounting the indoor unit 81 7 4 1 About mounting the indoor unit 81 7 4 2 Precautions when mounting the indoor unit 81 7 4 3 To insta...

Page 65: ... Prevailing wind direction c Air outlet Do NOT install the unit in the following places Sound sensitive areas e g near a bedroom so that the operation noise will cause no trouble Note If the sound is measured under actual installation conditions the measured value might be higher than the sound pressure level mentioned in Sound spectrum in the data book due to environmental noise and sound reflect...

Page 66: ...frigerant circuit R32 but you do NOT have to do any refrigerant field piping or refrigerant charging Mind the following requirements and precautions WARNING Do NOT pierce or burn refrigerant cycle parts Do NOT use means to accelerate the defrosting process or to clean the equipment other than those recommended by the manufacturer Be aware that R32 refrigerant does NOT contain an odour WARNING The ...

Page 67: ...e that the heat exchanger coil is NOT affected by the snow If necessary install a snow cover or shed and a pedestal 7 1 3 Installation site requirements of the indoor unit INFORMATION Also read the precautions and requirements in the 2 General safety precautions 410 The indoor unit is designed for indoor installation only and for the following ambient temperatures Space heating operation 5 30 C Sp...

Page 68: ...gs Do NOT install the unit in places such as In places where a mineral oil mist spray or vapour may be present in the atmosphere Plastic parts may deteriorate and fall off or cause water leakage Sound sensitive areas e g near a bedroom so that the operation noise will cause no trouble In places with high humidity max RH 85 for example a bathroom In places where frost is possible Ambient temperatur...

Page 69: ... unit is operated with the transportation stay attached abnormal vibration or noise may be generated The transportation stays protect the unit during transport During installation they must be removed a b a Transportation stays 2 and washers 2 b Transportation stay 1 Prerequisite Open the switch box cover See 7 2 2 To open the outdoor unit 468 2 2 3 1 3 1 b c a a b c a Transportation stay b Nut ...

Page 70: ...ighten to 10 1 N m of torque 4 b a a a a a a Screw b Transportation stay 4 Remove the screws a 5 from the transportation stay b Put 4 screws a aside for later use see 7 2 4 To attach the compressor cover piece 470 5 Remove and discard the transportation stay b 7 2 4 To attach the compressor cover piece Required accessory delivered with the unit Compressor cover piece 1 Put the compressor cover pie...

Page 71: ...outdoor unit cover make sure that the tightening torque does NOT exceed 4 1 N m 1 1 2 3 2 4 4 3 3 3 1 7 2 6 To open the indoor unit Overview a b d c e a Top panel b User interface panel c Switch box cover d Front panel e High voltage switch box cover Open 1 Remove the top panel 5 T25 2 Remove the user interface panel Open the hinges at the top and slide the top panel upwards ...

Page 72: ...ace panel to prevent damage 2 1 1 3 4 X14Y X1A 3 Remove the switch box cover 4 T25 4 If necessary remove the front plate This is for example necessary in the following cases 7 2 7 To lower the switch box on the indoor unit 473 7 4 4 To connect the drain hose to the drain 482 When you need access to the high voltage switch box 2 T25 5 If you need access to the high voltage components remove the hig...

Page 73: ...ll need access to the inside of the indoor unit To have easier front access put the switch box lower on the unit as follows Prerequisite The user interface panel and front panel have been removed 1 Remove the fixing plate at the top of the unit 2 Tilt the switch box to the front and lift it out of its hinges 1 2 2 T25 3 Place the switch box lower on the unit Use the 2 hinges located lower on the u...

Page 74: ...nect the water piping Typical workflow Mounting the outdoor unit typically consists of the following stages 1 Providing the installation structure 2 Installing the outdoor unit 3 Providing drainage 4 Installing the discharge grille 5 Protecting the unit against snow and wind by installing a snow cover and baffle plates See 7 1 Preparing the installation site 464 7 3 2 Precautions when mounting the...

Page 75: ... is positioned at least 100 mm above the maximum expected level of snow Anchor points 800 mm 479 Pedestal When installing on a pedestal make sure that the discharge grille still can be put in its safety position See 7 3 7 To remove the discharge grille and put the grille in safety position 479 8 0 0 479 a 150 mm 4 M12 a Make sure not to cover the drain hole in the bottom plate of the unit 7 3 4 To...

Page 76: ...gs and put it onto the installation structure 150 kg 4 2 Fix the unit to the installation structure 4 M12 3 Remove the slings and screws and dispose of them 4 7 3 5 To provide drainage Make sure that condensation water can be evacuated properly Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation ...

Page 77: ... to avoid drain water dripping see the following figure NOTICE If the unit is installed in a cold climate take adequate measures so that the evacuated condensate CANNOT freeze We recommend to do the following Insulate the drain hose Install a drain tube heater field supply To connect the drain tube heater see 9 2 1 To connect the electrical wiring to the outdoor unit 4109 NOTICE Provide at least 1...

Page 78: ...e installing the discharge grille connect the electrical wiring Install the lower part of the discharge grille 1 Insert the hooks 2 Insert the ball studs 1 2 3 Fix the 2 lower screws 3 2 5 N m Install the upper part of the discharge grille NOTICE Vibrations Make sure the upper part of the discharge grille is attached seamlessly to the lower part to prevent vibrations 4 Align and attach the left si...

Page 79: ...N m 7 3 7 To remove the discharge grille and put the grille in safety position WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating fan See 7 3 6 To install the discharge grille 478 7 3 7 To remove the discharge grille and put the grille in safety position 479 1 Remove the upper part of the dischar...

Page 80: ... 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 4 2 Remove the lower part of the discharge grille 4 3 Rotate the lower part of the discharge grille 4 Align the ball stud and hook on the grille with their counterparts on the unit 5 Insert the hook 6 Insert the ball stud ...

Page 81: ... mounting the indoor unit INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 410 7 1 Preparing the installation site 464 7 4 3 To install the indoor unit 1 Lift the indoor unit from the pallet and place it on the floor Also see 4 2 3 To handle the indoor unit 426 2 Connect the drain hose to the drain See 7 4 4 To connect the drain hose to ...

Page 82: ...nside the unit You must connect the drain hose to an appropriate drain according to the applicable legislation You can route the drain hose through the left or right side panel Prerequisite The user interface panel and front panel have been removed 1 Remove one of the side panels 2 Cut out the rubber grommet 3 Pull the drain hose through the hole 4 Reattach the side panel Ensure the water can flow...

Page 83: ...7 Unit installation Installer reference guide 83 EPRA14 18D ETVH16SU18 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 Option 2 Through the right side panel 1 3 T25 3 2 ...

Page 84: ...connect the recirculation piping 98 8 2 6 To fill the water circuit 98 8 2 7 To protect the water circuit against freezing 98 8 2 8 To fill the domestic hot water tank 102 8 2 9 To insulate the water piping 102 8 1 Preparing water piping 8 1 1 Water circuit requirements INFORMATION Also read the precautions and requirements in the 2 General safety precautions 410 NOTICE In case of plastic pipes ma...

Page 85: ...external static pressure of the pump See 16 Technical data 4267 for the external static pressure curves of the indoor unit Water flow You can find the minimum required water flow for indoor unit operation in the following table In all cases this flow needs to be guaranteed When the flow is lower the indoor unit will stop operation and display error 7H Minimum required flow rate For E models 25 l m...

Page 86: ...diameter to pressure relief valve 15 mm Discharge piping diameter from tundish 22 mm Discharge piping material from tundish Metal Vertical length below tundish before first elbow or bend 300 mm Continuous fall after first elbow or bend 1 200 Maximum resistance a 9 m Resistance created by each elbow or bend 0 8 m a The maximum allowed resistance i e equivalent length is expressed as a length of str...

Page 87: ...ank see 10 5 6 Tank 4186 Domestic hot water tank kit Clean pipes Before installing the domestic hot water tank kit all piping and fittings must be flushed free of flux and debris Failure to do this may cause irreparable damage to the tank kit control valves Flush the system by opening the hot water tap Domestic hot water tank kit Pressure balancing To prevent large pressure differences at the taps...

Page 88: ...ressure Pg of the vessel depends on the installation height difference H Pg 0 3 H 10 bar 8 1 3 To check the water volume and flow rate The indoor unit has an expansion vessel of 10 litre with a factory set pre pressure of 1 bar To make sure that the unit operates properly You MUST check the minimum and maximum water volume You might need to adjust the pre pressure of the expansion vessel Minimum w...

Page 89: ...against freezing 498 Use the following graph to determine the maximum water volume for the calculated pre pressure 20 2 4 2 1 1 8 1 5 1 2 0 9 1 0 6 0 3 70 120 175 140 200 255 220 270 A B A Pre pressure bar B Maximum water volume l Water Water glycol Example Maximum water volume and expansion vessel pre pressure Installation height difference a Water volume 190 l 190 l 7 m No pre pressure adjustmen...

Page 90: ...st backup heater operation For this purpose use the overpressure bypass valve delivered with the unit and respect the minimum water volume Minimum required flow rate For E models 25 l min For E7 models 20 l min NOTICE To guarantee proper operation it is recommended to have a minimum flow of 28 l min during DHW NOTICE If glycol was added to the water circuit and the temperature of the water circuit...

Page 91: ... Example 1 The indoor unit is installed 5 m below the highest point in the water circuit The total water volume in the water circuit is 100 l No actions or adjustments are required Example 2 The indoor unit is installed at the highest point in the water circuit The total water volume in the water circuit is 250 l Actions Because the total water volume 250 l is more than the default water volume 20...

Page 92: ...ead the precautions and requirements in the following chapters 2 General safety precautions 410 8 1 Preparing water piping 484 8 2 3 To connect the water piping NOTICE Do NOT use excessive force when connecting the field piping and make sure the piping is aligned properly Deformation of the piping can cause malfunctioning of the unit Outdoor unit 1 Connect the shut off valve with integrated filter...

Page 93: ...nnect the O rings and shut off valves to the space heating cooling water pipes of the indoor unit 4 Connect the space heating cooling field piping of both zones to the shut off valves 5 Connect the domestic hot water IN and OUT pipes to the indoor unit It is obligatory to use the accessory G3 kit EKUHWG3D to comply with UK legislation See 8 2 4 To connect the water piping for domestic hot water 49...

Page 94: ...TICE A drain device and pressure relief device must be installed on the cold water inlet connection of the domestic hot water cylinder To avoid back siphonage it is recommended to install a non return valve on the water inlet of the domestic hot water tank in accordance with the applicable legislation It is recommended to install a pressure reducing valve on the cold water inlet in accordance with...

Page 95: ...educing valve pressure relief valve combination Water inlet and water outlet 22 mm connection discharge piping connection 15 mm b Adaptor 22 mm 3 4 Female BSP c T piece 22 mm 22 mm 22 mm d Expansion vessel of 18 l 3 4 Male BSP e Tundish 15 mm inlet 22 mm outlet 1 Pre assemble the adaptor and expansion vessel so that the expansion vessel is ready for installation 2 Mount the expansion vessel to the...

Page 96: ...Install the tundish away from any electrical device Possible consequence Electrical shock or fire NOTICE To ensure a free water flow through the discharge pipe manually operate the pressure relief valve by turning its knob left 8 Using the accessory brass compression coupler see 4 3 1 To remove the accessories from the domestic hot water tank kit 4 27 connect the accessory pipe see 4 2 2 To remove...

Page 97: ...on the installer has to fill out the warning label on the tank with indelible ink The warning label can be found on the unit top plate WARNING The discharge pipes from the pressure relief valves MUST terminate in a safe and visible position without forming any risk to persons in the vicinity WARNING Discharge piping tundish drain valves etc MUST be positioned away from any electrical components Th...

Page 98: ...your system 1 Remove the top panel from the unit see 7 2 6 To open the indoor unit 471 2 Cut out the rubber grommet on top of the unit and remove the stop The recirculation connector is placed below the hole 3 Route the recirculation piping through the grommet and connect it to the recirculation connector 4 Reattach the top panel 8 2 6 To fill the water circuit To fill the water circuit use a fiel...

Page 99: ...on of the system is possible Uninhibited glycol will turn acidic under the influence of oxygen This process is accelerated by the presence of copper and high temperatures The acidic uninhibited glycol attacks metal surfaces and forms galvanic corrosion cells that cause severe damage to the system Therefore it is important that the water treatment is correctly executed by a qualified water speciali...

Page 100: ...OT the liquid inside the piping from freezing Protection against freezing the glycol will prevent the liquid inside the piping from freezing NOTICE The required concentration might differ depending on the type of glycol ALWAYS compare the requirements from the table above with the specifications provided by the glycol manufacturer If necessary meet the requirements set by the glycol manufacturer T...

Page 101: ...nal field supply c Normally closed valves recommended field supply Part Description a An automatic air intake for air supply should be installed at the highest point For example an automatic air purge b Protection for the field piping Install the freeze protection valves At all lowest points of the field piping In the coldest part of the field piping away from heat sources Vertically to allow wate...

Page 102: ... valve If lower freeze protection valves can open during cooling operation 8 2 8 To fill the domestic hot water tank 1 Open every hot water tap in turn to purge air from the system pipe work 2 Open the cold water supply valve 3 Close all water taps after all air is purged 4 Check for water leaks 8 2 9 To insulate the water piping The piping in the complete water circuit MUST be insulated to preven...

Page 103: ...dronic Piping Calculation tool is part of the Heating Solutions Navigator which can be reached via https professional standbyme daikin eu Please contact your dealer if you have no access to Heating Solutions Navigator This recommendation ensures good operation of the unit however local regulations may differ and shall be followed ...

Page 104: ... electricity meters 124 9 3 5 To connect the domestic hot water pump 125 9 3 6 To connect the alarm output 126 9 3 7 To connect the space cooling heating ON OFF output 127 9 3 8 To connect the changeover to external heat source 128 9 3 9 To connect the power consumption digital inputs 129 9 3 10 To connect the safety thermostat normally closed contact 130 9 3 11 To connect a Smart Grid 131 9 3 12 ...

Page 105: ... Do NOT install a phase advancing capacitor because this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating fan See 7 3 6 To install the discharge grille 478 7 3 7 To remove the discharge...

Page 106: ...e type Installation method Single core wire c b c a a A AA A a Curled single core wire b Screw c Flat washer Stranded conductor wire with round crimp style terminal c b b a c a B B a Terminal b Screw c Flat washer Allowed NOT allowed Tightening torques Outdoor unit Item Tightening torque N m X1M 1 47 10 X2M M4 earth Indoor unit Item Tightening torque N m X1M 2 45 10 X2M 0 88 10 X5M 0 88 10 X6M 2 4...

Page 107: ... rates seasonal rates Wärmepumpentarif in Germany and Austria This equipment allows for connection to such preferential kWh rate power supply delivery systems Consult with the electricity company acting as provider at the site where this equipment is to be installed to know whether it is appropriate to connect the equipment in one of the preferential kWh rate power supply delivery systems availabl...

Page 108: ...ential kWh rate power supply activation power supply is interrupted immediately or after some time by the electricity company In this case the indoor unit must be powered by a separate normal power supply a Normal power supply b Preferential kWh rate power supply 1 Power supply for outdoor unit 2 Power supply and interconnection cable to indoor unit 3 Power supply for backup heater 4 Preferential ...

Page 109: ...length may cause electrical shock or leakage 3 Insert the cables at the back of the unit and route them through the factory mounted cable sleeves into the switch box d c2 b2 c1 b1 a1 a2 a1 a2 Power supply cable field supply b1 b2 Interconnection cable field supply c1 c2 optional Drain tube heater cable field supply d Cable sleeves factory mounted 4 Inside the switch box connect the wires to the ap...

Page 110: ...RN BLU YLW GRN b a L N a Power supply cable field supply b Field wiring F1B Overcurrent fuse field supply Recommended fuse 2 pole 32 A fuse C curve Q1DI Earth leakage circuit breaker 30 mA field supply 2 Interconnection cable indoor outdoor Route the cable through the frame Connect the wires to the terminal block make sure the numbers match with the numbers on the indoor unit and the earth screw F...

Page 111: ...al Drain tube heater cable Make sure the heating element of the drain tube heater is completely inside the drain tube Route the cable through the frame Connect the wires to the terminal block and the earth screw Fix the cable with cable ties Wires 2 GND 0 75 mm Wiring must be double insulated Maximum power allowed for drain tube heater 115 W 0 5 A ...

Page 112: ...804A to X806A X806A X804A X805A INFORMATION Power saving function The power saving function is only applicable for V3 models For more information about the power saving function 9 F or overview field setting E 08 see Power saving function 4220 In case of W1 models 1 Power supply cable Route the cable through the frame Connect the wires to the terminal block Fix the cable with a cable tie Wires 3N ...

Page 113: ...LW GRN a Power supply cable field supply b Field wiring F1B Overcurrent fuse field supply Recommended fuse 4 pole 16 A or 20 A fuse C curve Q1DI Earth leakage circuit breaker 30 mA field supply 2 Interconnection cable indoor outdoor Route the cable through the frame Connect the wires to the terminal block make sure the numbers match with the numbers on the indoor unit and the earth screw Fix the c...

Page 114: ...al Drain tube heater cable Make sure the heating element of the drain tube heater is completely inside the drain tube Route the cable through the frame Connect the wires to the terminal block and the earth screw Fix the cable with cable ties Wires 2 GND 0 75 mm Wiring must be double insulated Maximum power allowed for drain tube heater 115 W 0 5 A ...

Page 115: ...16SU18 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 1 2 9 2 2 To reposition the air thermistor on the outdoor unit This procedure is only necessary in areas with low ambient temperatures Required accessory delivered with the unit Thermistor fixture 1 2 3 Click 4 5 6 7 ...

Page 116: ... alarm output 4126 Space cooling heating operation control See 9 3 7 To connect the space cooling heating ON OFF output 4127 Changeover to external heat source control See 9 3 8 To connect the changeover to external heat source 4128 Power consumption digital inputs See 9 3 9 To connect the power consumption digital inputs 4129 Safety thermostat See 9 3 10 To connect the safety thermostat normally ...

Page 117: ...tion manual of the heat pump convector options Addendum book for optional equipment Wires 0 75 mm Maximum running current 100 mA For the main zone 2 9 Control 2 A Ext thermostat type For the additional zone 3 A Ext thermostat type 3 9 read only Control Remote outdoor sensor See Installation manual of the remote outdoor sensor Addendum book for optional equipment Wires 2 0 75 mm 9 B 1 1 External se...

Page 118: ... WLAN module Addendum book for optional equipment Installer reference guide Use the cable delivered with the WLAN module D Wireless gateway Bizone kit See Installation manual of the bizone kit Addendum book for optional equipment Use the cable delivered with the bizone kit 9 P Bizone kit for room thermostat wired or wireless In case of See Wireless room thermostat Installation manual of the wirele...

Page 119: ...ired room thermostat digital or analogue to the multi zoning base unit You need to connect the multi zoning base unit to the outdoor unit For cooling heating operation you also need to implement a relay field supply see addendum book for optional equipment 9 3 1 To connect the main power supply 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Up...

Page 120: ...ion cable main power supply Wires 3 GND 1 5 mm Normal kWh rate power supply Wires 1N Maximum running current 6 3 A Preferential kWh rate power supply contact Wires 2 0 75 1 25 mm Maximum length 50 m Preferential kWh rate power supply contact 16 V DC detection voltage supplied by PCB The voltage free contact shall ensure the minimum applicable load of 15 V DC 10 mA 9 8 Benefit kWh power supply Conn...

Page 121: ... to the indoor unit is required if preferential kWh rate power supply is interrupted when active OR if no power consumption of the indoor unit is allowed at the preferential kWh rate power supply when active 9 3 2 To connect the backup heater power supply Backup heater type Power supply Wires 6V 1N 230 V 6V3 2 GND 3 230 V 6T1 3 GND 9 3 Backup heater WARNING The backup heater MUST have a dedicated ...

Page 122: ...imits for voltage changes voltage fluctuations and flicker in public low voltage supply systems for equipment with rated current 75 A provided that the system impedance Zsys is less than or equal to Zmax at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network op...

Page 123: ...E Do NOT cut or remove the backup heater power supply cable 9 3 3 To connect the shut off valve INFORMATION Shut off valve usage example In case of one LWT zone and a combination of underfloor heating and heat pump convectors install a shut off valve before the underfloor heating to prevent condensation on the floor during cooling operation Wires 2 0 75 mm Maximum running current 100 mA 230 V AC s...

Page 124: ...ctricity meters 12 V DC pulse detection voltage supplied by PCB 9 A Energy metering INFORMATION In case of an electricity meter with transistor output check the polarity The positive polarity MUST be connected to X5M 6 and X5M 4 the negative polarity to X5M 5 and X5M 3 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Con...

Page 125: ...e mountings 9 3 5 To connect the domestic hot water pump Wires 2 GND 0 75 mm DHW pump output Maximum load 2 A inrush 230 V AC 1 A continuous 9 2 2 DHW pump 9 2 3 DHW pump schedule 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the domestic hot water pump cable to the appropriate terminals as shown in the illust...

Page 126: ... alarm output Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC 9 D Alarm output 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the alarm output cable to the appropriate terminals as shown in the illustration below 7 9 YC Y1 X2M 1 2 3 A4P 1 2 Wires connected to the alarm output 3 Wire between X2M and A4P A4P Instal...

Page 127: ...he cable tie mountings 9 3 7 To connect the space cooling heating ON OFF output Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the space cooling heating ON OFF output cable to the appropriate terminals as shown in the illustration below 7 9 YC Y2 X2M 1 2 3 A4P 1 2 W...

Page 128: ...mountings 9 3 8 To connect the changeover to external heat source INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with room thermostat control OR external room thermostat control Wires 2 0 75 mm Maximum load 0 3 A 250 V AC Minimum load 20 mA 5 V DC 9 C Bivalent 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Up...

Page 129: ...e mountings 9 3 9 To connect the power consumption digital inputs Wires 2 per input signal 0 75 mm Power limitation digital inputs 12 V DC 12 mA detection voltage supplied by PCB 9 9 Power consumption control 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the power consumption digital inputs cable to the approp...

Page 130: ...ly closed contact Wires 2 0 75 mm Maximum length 50 m Safety thermostat contact 16 V DC detection voltage supplied by PCB The voltage free contact shall ensure the minimum applicable load of 15 V DC 10 mA 1 Open the following see 7 2 6 To open the indoor unit 471 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the safety thermostat normally closed cable to the appropria...

Page 131: ...ermostat has a maximum temperature variation rate of 2 C min There is a minimum distance of 2 m between the safety thermostat and the 3 way valve NOTICE Error If you remove the jumper open circuit but do NOT connect the safety thermostat stop error 8H 03 will occur 9 3 11 To connect a Smart Grid This topic describes 2 possible ways to connect the indoor unit to a Smart Grid In case of low voltage ...

Page 132: ...0 5 mm Wires low voltage Smart Grid contacts 0 5 mm 9 8 4 3 Benefit kWh power supply Smart grid 9 8 5 Smart grid operation mode 9 8 6 Allow electrical heaters 9 8 7 Enable room buffering 9 8 8 Limit setting kW The wiring of the Smart Grid in case of low voltage contacts is as follows 14 13 S11S 6 5 S4S 4 3 X5M S10S 10 9 a 2 1 a Jumper factory mounted If you also connect a safety thermostat Q4L rep...

Page 133: ...mart grid operation mode 9 8 6 Allow electrical heaters 9 8 7 Enable room buffering 9 8 8 Limit setting kW The wiring of the Smart Grid in case of high voltage contacts is as follows S4S 3 4 X5M X5M 13 14 K2A K1A 5 6 9 10 K1A L N L N STEP 3 a b c d e f STEP 1 STEP 2 A1 A2 4 3 2 1 X10M K2A A1 A2 2 1 STEP 1 Smart Grid relay kit installation STEP 2 Low voltage connections STEP 3 High voltage connecti...

Page 134: ...ows a b c d e K1A K2A X10M 2 4 K1A K2A Relays X10M Terminal block a Screws for X10M b Screws for K1A and K2A c Sticker to put on the high voltage wires d Wires between the relays and X5M AWG22 ORG e Wires between the relays and X10M AWG18 RED B A B X5M 5 6 9 10 1 2 3 4 K1A K2A b b X10M a 2 Connect the low voltage wiring as follows A X5M 4 X5M 3 S4S B A B X5M 3 4 1314 3 Connect the high voltage wir...

Page 135: ...e cables with cable ties to the cable tie mountings If necessary bundle excessive cable length with a cable tie 9 3 12 To connect the WLAN cartridge delivered as accessory D Wireless gateway 1 Insert the WLAN cartridge into the cartridge slot on the user interface of the indoor unit 1 2 9 4 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box seal th...

Page 136: ...9 Electrical installation Installer reference guide 136 EPRA14 18D ETVH16SU18 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 Without low voltage cables With low voltage cables ...

Page 137: ...g weather dependent curves 155 10 5 Settings menu 157 10 5 1 Malfunctioning 157 10 5 2 Room 158 10 5 3 Main zone 162 10 5 4 Additional zone 173 10 5 5 Space heating cooling 177 10 5 6 Tank 186 10 5 7 User settings 194 10 5 8 Information 199 10 5 9 Installer settings 200 10 5 10 Commissioning 223 10 5 11 User profile 223 10 5 12 Operation 224 10 5 13 WLAN 224 10 6 Menu structure Overview user setti...

Page 138: ...thods However NOT all settings are accessible via both methods If so the corresponding table columns in this chapter are set to N A not applicable Method Column in tables Accessing settings via the breadcrumb in the home menu screen or the menu structure To enable breadcrumbs press the button in the home screen For example 2 9 Accessing settings via the code in the overview field settings Code For...

Page 139: ...an be configured via the menu structure If for any reason it is required to change a setting using the overview settings then the overview settings can be accessed as follows 1 Set the user permission level to Installer See To change the user permission level 4138 2 Go to 9 I Installer settings Overview field settings 3 Turn the left dial to select the first part of the setting and confirm by pres...

Page 140: ...oftware and EEPROM Prerequisite The EKPCCAB4 kit is required 1 Connect the USB connector of the cable to your PC 2 Connect the plug of the cable to X10A on A1P of the switch box of the indoor unit A1P X10A 3 Pay special attention to the position of the plug 2 3 4 5 H J S T 10 2 Configuration wizard After first power ON of the system the user interface starts a configuration wizard Use this wizard ...

Page 141: ...zones 4 4 10 5 5 Space heating cooling 4177 Glycol Filled system overview field setting E 0D 10 5 9 Installer settings 4200 Booster heater capacity 9 4 1 if applicable Backup heater Voltage 9 3 2 Backup heater 4202 Configuration 9 3 3 Capacity step 1 9 3 4 Additional capacity step 2 9 3 5 if applicable Main zone Emitter type 2 7 10 5 3 Main zone 4162 Control 2 9 Setpoint mode 2 4 Heating WD curve ...

Page 142: ...nly 3 9 Setpoint mode 3 4 Heating WD curve 3 5 if applicable Cooling WD curve 3 6 if applicable Schedule 3 1 WD curve type 3 C read only Tank Heat up mode 5 6 10 5 6 Tank 4186 Comfort setpoint 5 2 Eco setpoint 5 3 Reheat setpoint 5 4 Hysteresis 5 9 and 5 A 10 3 Possible screens 10 3 1 Possible screens Overview The most common screens are as follows a OR b c c2 c4 c1 c3 a Home screen b Main menu sc...

Page 143: ...5 j e2 l k1 k2 k3 45 d e1 g3 g2 h1 g1 f i2 i3 i4 h2 i1 a2 a1 e3 b c Possible actions on this screen Go through the list of the main menu Go to the main menu screen Enable disable breadcrumbs Item Description a Domestic hot water a1 Domestic hot water a2 55 Measured tank temperature a b Disinfection Powerful Disinfection mode active Powerful operation mode active c Emergency Heat pump failure and s...

Page 144: ...in zone i1 Installed room thermostat type Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface BRC1HHDA used as room thermostat Unit operation is decided by the external room thermostat wired or wireless No room thermostat installed or set Unit operation is decided based on the leaving water temperature regardless of the actual room temperature and or...

Page 145: ...ion A malfunction occurred See 14 4 1 To display the help text in case of a malfunction 4258 for more information a If the corresponding operation for example space heating is not active the circle is greyed out 10 3 3 Main menu screen Starting from the home screen press or turn the left dial to open the main menu screen From the main menu you can access the different setpoint screens and submenus...

Page 146: ...ce heating cooling Shows the applicable symbol of your unit Put the unit in heating mode or cooling mode You cannot change the mode on heating only models 5 Tank Set the domestic hot water tank temperature 7 User settings Gives access to user settings such as holiday mode and quiet mode 8 Information Displays data and information about the indoor unit 9 Installer settings Restriction Only for the ...

Page 147: ...ne 3 Additional zone screen 45 C 3 Additional zone 5 Tank temperature screen 50 C 5 Tank Explanation a1 d d e d e c a2 b1 b2 Possible actions on this screen Go through the list of the submenu Go to the submenu Adjust and automatically apply the desired temperature Item Description Minimum temperature limit a1 Fixed by the unit a2 Restricted by the installer Maximum temperature limit b1 Fixed by th...

Page 148: ... The procedures to program other schedules are similar To program the schedule overview Example You want to program the following schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 Prerequisite The room temperature schedule is only available if room thermostat control is active If leaving water temperature control is active you can program the main zone schedule instead 1 Go to the schedule 2 opt...

Page 149: ...n Sat Wed Fri Thu Tue Sun User defined 1 2 Select Delete Delete Rename Select 3 Select OK to confirm To clear the content of a day schedule 1 Select the day of which you want to clear the content For example Friday Mon Sat Wed Fri Thu Tue Sun User defined 1 C 2 Select Delete Delete Edit Copy 3 Select OK to confirm To program the schedule for Monday 1 Select Monday Mon Sat Wed Fri Thu Tue Sun User ...

Page 150: ... clear an action set its time as the time of the previous action 4 Confirm the changes Result The schedule for Monday is defined The value of the last action is valid until the next programmed action In this example Monday is the first day you programmed Thus the last programmed action is valid up to the first action of next Monday To copy the schedule to the other weekdays 1 Select Monday Mon Sat...

Page 151: ...this action for all other weekdays Mon Sat Wed Fri Thu Tue Sun User defined 1 C To program the schedule for Saturday and copy it to Sunday 1 Select Saturday 2 Select Edit 3 Use the left dial to select an entry and edit the entry with the right dial 0 8 00 23 00 21 C 18 C 12 24 Sat 4 Confirm the changes 5 Select Saturday 6 Select Copy 7 Select Sunday 8 Select Paste Result Mon Sat Wed Fri Thu Tue Su...

Page 152: ...pendent if the desired leaving water or tank temperature is determined automatically by the outdoor temperature It therefore is connected to a temperature sensor on the North wall of the building If the outdoor temperature drops or rises the unit compensates instantly Thus the unit does not have to wait for feedback by the thermostat to increase or decrease the temperature of the leaving water or ...

Page 153: ...ee 10 4 4 Using weather dependent curves 4155 Availability The weather dependent curve is available for Main zone Heating Main zone Cooling Additional zone Heating Additional zone Cooling Tank only available to installers INFORMATION To operate weather dependent correctly configure the setpoint of the main zone additional zone or tank See 10 4 4 Using weather dependent curves 4155 10 4 2 2 points ...

Page 154: ...e and offset Define the weather dependent curve by its slope and offset Change the slope to differently increase or decrease the temperature of the leaving water for different ambient temperatures For example if leaving water temperature is in general fine but at low ambient temperatures too cold raise the slope so that leaving water temperature is heated increasingly more at decreasingly lower am...

Page 155: ... zone heating Main zone or additional zone cooling Domestic hot water X1 X2 Examples of outdoor ambient temperature Y1 Y2 Y3 Y4 Examples of desired tank temperature or leaving water temperature The icon corresponds to the heat emitter for that zone Underfloor heating Fan coil unit Radiator Domestic hot water tank Possible actions on this screen Select slope or offset Increase or decrease the slope...

Page 156: ...hange the type for all zones main additional and for the tank go to 2 E Main zone WD curve type Viewing which type is selected is also possible via 3 C Additional zone WD curve type 5 E Tank WD curve type Restriction Only available to installers To change the weather dependent curve Zone Go to Main zone Heating 2 5 Main zone Heating WD curve Main zone Cooling 2 6 Main zone Cooling WD curve Additio...

Page 157: ... dependent curve 2 points curve The following table describes how to fine tune the weather dependent curve of a zone or tank You feel Fine tune with setpoints At regular outdoor temperatures At cold outdoor temperatures Y2 a Y1 a X1 a X2 a OK Cold OK Hot Cold OK Cold Cold Cold Hot Hot OK Hot Cold Hot Hot a See 10 4 2 2 points curve 4153 10 5 Settings menu You can set additional settings using the ...

Page 158: ...tpoint screen Control the room temperature of the main zone via setpoint screen 1 Room See 10 3 5 Setpoint screen 4147 Schedule Indicate if the room temperature is controlled according to a schedule or not Code Description 1 1 N A Schedule No Room temperature is directly controlled by the user Yes Room temperature is controlled by a schedule and can be modified by the user Heating schedule Applica...

Page 159: ...ace heating cooling On Room thermostat control C 07 2 Allow for the dedicated Human Comfort Interface BRC1HHDA used as room thermostat to take care of room frost protection Set antifrost 1 4 1 Activation Yes Set the temperature of the antifrost function in 1 4 2 Room setpoint INFORMATION If a U4 error occurs room frost protection is NOT guaranteed NOTICE If the room Antifrost setting is active and...

Page 160: ...W off However if 1 4 1 Antifrost is activated limited frost protection by the unit is possible In case of 1 leaving water temperature zone If Then Space heating cooling Off and Outdoor ambient temperature drops below 6 C The unit will supply leaving water to the heat emitters to heat up the room again and the temperature setpoint of the leaving water will be lowered Space heating cooling On and Th...

Page 161: ...unctionality is on 1 4 2 2 05 Room setpoint 4 C 16 C INFORMATION When the dedicated Human Comfort Interface BRC1HHDA used as room thermostat is disconnected because of incorrect wiring or damage of the cable then room frost protection is NOT guaranteed NOTICE If Emergency is set to Manual 9 5 1 0 and the unit is triggered to start emergency operation the unit will stop and needs to be recovered ma...

Page 162: ...m thermostat Offset on the actual room temperature measured by the Human Comfort Interface 5 C 5 C step 0 5 C 1 7 2 09 Room sensor offset external room sensor option Only applicable if the external room sensor option is installed and configured 5 C 5 C step 0 5 C Room comfort setpoint Restriction Only applicable if Smart Grid is enabled 9 8 4 Smart grid and Room buffering is enabled 9 8 7 Yes If r...

Page 163: ...en 2 Main zone See 10 3 5 Setpoint screen 4147 Schedule Indicate if the temperature of the leaving water is defined according to a schedule or not Influence of the LWT setpoint mode 2 4 is as follows In Fixed LWT setpoint mode the scheduled actions consist of desired leaving water temperatures either preset or custom In Weather dependent LWT setpoint mode the scheduled actions consist of desired s...

Page 164: ...for heating does NOT depend on the outdoor ambient temperature for cooling In Weather dependent mode the desired leaving water temperature depends on the outdoor ambient temperature Code Description 2 4 N A Setpoint mode Fixed WD heating fixed cooling Weather dependent When weather dependent operation is active low outdoor temperatures will result in warmer water and vice versa During weather depe...

Page 165: ... zone Ta Outdoor temperature 1 00 Low outdoor ambient temperature 40 C 5 C 1 01 High outdoor ambient temperature 10 C 25 C 1 02 Desired leaving water temperature when the outdoor temperature equals or drops below the low ambient temperature 9 01 C 9 00 C Note This value should be higher than 1 03 as for low outdoor temperatures warmer water is required 1 03 Desired leaving water temperature when t...

Page 166: ...igher than 1 09 as for low outdoor temperatures less cold water is required 1 09 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 03 C 9 02 C Note This value should be lower than 1 08 as for high outdoor temperatures colder water is required Emitter type Heating up or cooling down the main zone can take longer This depends on The w...

Page 167: ... in heating the zone with the lowest water temperature is configured as the main zone and the zone with the highest water temperature is configured as the additional zone NOTICE If there are 2 zones and the emitter types are wrongly configured water of high temperature can be sent towards a low temperature emitter underfloor heating To avoid this Install an aquastat thermostatic valve to avoid too...

Page 168: ... selection of the heat emitters The desired leaving water temperature is the result of several settings preset values shift values weather dependent curves modulation As a result too high or too low leaving water temperatures could occur which lead to overtemperatures or capacity shortage By limiting the leaving water temperature range to adequate values depending on the heat emitter such situatio...

Page 169: ...tat is used the external room thermostat will control the room frost protection However the room frost protection is only possible if C 2 Space heating cooling On Code Description 2 A C 05 External room thermostat type for the main zone 1 1 contact The used external room thermostat can only send a thermo ON OFF condition There is no separation between heating or cooling demand The room thermostat ...

Page 170: ...RMATION In heating the target delta T will only be achieved after some operation time when the setpoint is being reached because of the big difference between leaving water temperature setpoint and inlet temperature at startup INFORMATION If the main zone or the additional zone has a heating demand and this zone is equipped with radiators then the target delta T that the unit will use in heating o...

Page 171: ...oise level higher comfort and higher efficiency water temperatures as low as possible to match the desired temperature higher efficiency If Modulation is disabled set the desired leaving water temperature via 2 Main zone Code Description 2 C 1 8 05 Modulation 0 No disabled 1 Yes enabled Note The desired leaving water temperature can only be read out on the user interface 2 C 2 8 06 Max modulation ...

Page 172: ...valve station ONLY when there is demand Code Description 2 D 1 F 0B The shut off valve 0 No is NOT influenced by heating or cooling demand 1 Yes closes when there is NO heating or cooling demand INFORMATION The setting F 0B is only valid when there is a thermostat or external room thermostat request setting NOT in case of leaving water temperature setting During cooling If F 0B is enabled the shut...

Page 173: ...een Control the leaving water temperature for the additional zone via setpoint screen 3 Additional zone See 10 3 5 Setpoint screen 4147 Schedule Indicates if the desired leaving water temperature is according to a schedule See 10 5 3 Main zone 4162 Code Description 3 1 N A Schedule No Yes Heating schedule Define a heating temperature schedule for the additional zone via 3 2 Heating schedule See 10...

Page 174: ...he figure below 0 00 0 01 Ta Tt 0 03 0 02 Tt Target leaving water temperature additional zone Ta Outdoor temperature 0 03 Low outdoor ambient temperature 40 C 5 C 0 02 High outdoor ambient temperature 10 C 25 C 0 01 Desired leaving water temperature when the outdoor temperature equals or drops below the low ambient temperature 9 05 C 9 06 C Note This value should be higher than 0 00 as for low out...

Page 175: ...mperature 25 C 43 C 0 05 Desired leaving water temperature when the outdoor temperature equals or drops below the low ambient temperature 9 07 C 9 08 C Note This value should be higher than 0 04 as for low outdoor temperatures less cold water is required 0 04 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 07 C 9 08 C Note This va...

Page 176: ... highest leaving water temperature in heating operation and the lowest leaving water temperature in cooling operation 3 8 1 9 05 Heating minimum 15 C 37 C 3 8 2 9 06 Heating maximum 2 0D 2 emitter type additional zone radiator 37 C 68 C Else 37 C 55 C 3 8 3 9 07 Cooling minimum 5 C 18 C 3 8 4 9 08 Cooling maximum 18 C 22 C Control The control type for the additional zone is read only It is determi...

Page 177: ...s fixed to 10 C Else 3 C 10 C For E7 models If 2 0D 2 10 C 12 C Else 3 C 12 C 3 B 2 1 0E Delta T cooling A minimum temperature difference is required for the good operation of heat emitters in cooling mode 3 C 10 C WD curve type There are 2 methods to define the weather dependent curves 2 points see 10 4 2 2 points curve 4153 Slope Offset see 10 4 3 Slope offset curve 4154 In 2 E WD curve type you...

Page 178: ...s installed 1 Go to 4 Space heating cooling 2 Check if 4 1 Operation mode is listed and editable If so a heating cooling heat pump model is installed To tell the system which space operation to use you can You can Location Check which space operation mode is currently used Home screen Set the space operation mode permanently Main menu Restrict automatic changeover according to a monthly schedule T...

Page 179: ... each month select an option Reversible Not restricted Heating only Restricted Cooling only Restricted 4 Confirm the changes Example Changeover restrictions When Restriction During cold season Example October November December January February and March Heating only During warm season Example June July and August Cooling only In between Example April May and September Reversible The unit determine...

Page 180: ...eating temperature Example A unit is configured as following Desired room temperature in heating mode 22 C Desired room temperature in cooling mode 24 C Hysteresis value 1 C Offset 4 C Changeover from heating to cooling will occur when the room temperature rises above the maximum of the desired cooling temperature added by the hysteresis value thus 24 1 25 C and the desired heating temperature add...

Page 181: ... 2 water temperature zones During configuration the number of water zones must be set INFORMATION Mixing station If your system layout contains 2 LWT zones you need to install a mixing station in front of the main LWT zone Code Description 4 4 7 02 0 Single zone Only one leaving water temperature zone a a Main LWT zone 4 4 7 02 1 Dual zone Two leaving water temperature zones The main leaving water...

Page 182: ... emitter underfloor heating To avoid this Install an aquastat thermostatic valve to avoid too high temperatures towards a low temperature emitter Make sure you set the emitter types for the main zone 2 7 and for the additional zone 3 7 correctly in accordance with the connected emitter Pump operation mode When the space heating cooling operation is OFF the pump is always OFF When space heating coo...

Page 183: ...s ONLY available in leaving water temperature control a b d e f c g b c a Space heating cooling control b Off c On d LWT temperature e Actual f Desired g Pump operation 4 5 F 0D 2 Request Pump operation based on request Example Using a room thermostat and thermostat creates thermo ON OFF condition Remark NOT available in leaving water temperature control a d e b b c b c c a Space heating cooling c...

Page 184: ...Restriction Only displayed when the bizone kit EKMIKPOA or EKMIKPHA is installed Pump limitation Additional zone Possible values see below Possible values Value Description 0 No limitation 1 4 General limitation There is limitation in all conditions The required delta T control and comfort are NOT guaranteed 1 90 pump speed 2 80 pump speed 3 70 pump speed 4 60 pump speed 5 8 Limitation when no act...

Page 185: ...her than the value set by the Space heating off temperature 4 02 or if the outdoor temperature drops below the value set by the Space cooling off temperature F 01 When the pump operation is enabled the pump operation is possible at all outdoor temperatures Code Description 4 9 F 00 Pump operation 0 Disabled if outdoor temperature is higher than 4 02 or lower than F 01 depending on heating cooling ...

Page 186: ... temperature may rise above the desired leaving water temperature before the compressor stops The compressor will start up again when the leaving water temperature drops below the desired leaving water temperature Code Description 4 B 9 04 Overshoot 1 C 4 C Undershoot Restriction This function is only applicable in cooling mode during compressor startup It is NOT applicable for stable operation Th...

Page 187: ...l operation to immediately start heating up the water to the preset value Storage comfort However this consumes extra energy If powerful operation is active will be shown on the home screen To activate powerful operation Activate or deactivate Powerful operation as follows 1 Go to 5 1 Tank Powerful operation 2 Turn powerful operation Off or On Usage example You immediately need more hot water If y...

Page 188: ... denotes the lower desired tank temperature It is the desired temperature when a storage economic action is scheduled preferably during day Code Description 5 3 6 0B Eco setpoint 30 C min 50 6 0E C Reheat setpoint Desired reheat tank temperature used in Schedule reheat mode during reheat mode the guaranteed minimum tank temperature is set by the Reheat setpoint minus the reheat hysteresis If the t...

Page 189: ...o a schedule See the operation manual for more details Disinfection Applies only to installations with a domestic hot water tank The disinfection function disinfects the domestic hot water tank by periodically heating the domestic hot water to a specific temperature CAUTION The disinfection function settings MUST be configured by the installer according to the applicable legislation Code Descripti...

Page 190: ...d by possible domestic hot water demand NOTICE Disinfection mode Even if you turn OFF tank heating operation C 3 Operation Tank disinfection mode will remain active However if you turn it OFF while disinfection is running an AH error occurs INFORMATION In case of error code AH and no interruption of the disinfection function occurred due to domestic hot water tapping following actions are recommen...

Page 191: ...erature drops below the reheat temperature minus the heat pump ON hysteresis temperature the tank heats up to the reheat temperature The minimum ON temperature is 20 C even if setpoint hysteresis is smaller than 20 C Code Description 5 9 6 00 Heat pump ON hysteresis 2 C 40 C Hysteresis reheat hysteresis Applicable when domestic hot water preparation is scheduled reheat When the tank temperature dr...

Page 192: ... 0 0B 0 0E 0 0D TDHW The desired tank temperature Ta The averaged outdoor ambient temperature 0 0E low outdoor ambient temperature 40 C 5 C 0 0D high outdoor ambient temperature 10 C 25 C 0 0C desired tank temperature when the outdoor temperature equals or drops below the low ambient temperature 45 C 6 0E C for E models min 45 6 0E C 6 0E C for E7 models 0 0B desired tank temperature when the outd...

Page 193: ...heat pump temperature 6 01 THP MAX 6 01 t 6 00 HP 5 10 20 30 40 43 45 TU THP OFF THP MAX TDHW THP ON 50 HP Heat pump If heating up time by the heat pump takes too long auxiliary heating by the backup heater can take place THP MAX Maximum heat pump temperature at sensor in domestic hot water tank THP OFF Heat pump OFF temperature THP MAX 6 01 THP ON Heat pump ON temperature THP OFF 6 00 TDHW Domest...

Page 194: ...enabled and clock format is set to 24 hours If you want to change these settings you can do this in the menu structure User settings Time date once the unit is initialised Holiday About holiday mode During your holiday you can use the holiday mode to deviate from your normal schedules without having to change them While holiday mode is active space heating cooling operation and domestic hot water ...

Page 195: ... decrease the sound of the outdoor unit However this also decreases the heating cooling capacity of the system There are multiple quiet mode levels The installer can Completely deactivate quiet mode Manually activate a quiet mode level Enable the user to program a quiet mode schedule Configure restrictions based on local regulations If enabled by the installer the user can program a quiet mode sch...

Page 196: ...sult The user or you can program the schedule in 7 4 2 Schedule For more information about scheduling see 10 3 7 Schedule screen Example 4148 You can configure restrictions in 7 4 4 Restrictions See below The possible outcomes for the quiet mode differ depending on the schedule if programmed and the restrictions if enabled defined See below To configure restrictions 1 Enable the restrictions Go to...

Page 197: ... price Only applicable in combination with the bivalent function See also Bivalent 4216 Code Description 7 5 1 N A Electricity price High 7 5 2 N A Electricity price Medium 7 5 3 N A Electricity price Low 7 6 N A Gas price INFORMATION Electricity price can only be set when bivalent is ON 9 C 1 or C 02 These values can only be set in menu structure 7 5 1 7 5 2 and 7 5 3 Do NOT use overview settings...

Page 198: ... an incentive per kWh renewable energy An incentive can be taken into account when setting the energy prices Although the running cost can increase the total operation cost taking into account the reimbursement will be optimized NOTICE Make sure to modify the setting of the energy prices at the end of the incentive period To set the gas price in case of an incentive per kWh renewable energy Calcul...

Page 199: ...isted in the submenu 8 Information Installer settings User settings Tank Commissioning 8 Information 8 1 Energy data 8 2 Malfunction history 8 3 Dealer information 8 4 Sensors 8 5 Actuators 8 6 Operation modes 8 7 About 8 8 Connection status 8 9 Running hours 8 A Reset Dealer information The installer can fill in his contact number here Code Description 8 3 N A Number that users can call in case o...

Page 200: ...s Room tank or domestic hot water outside and leaving water temperature if applicable 8 5 Actuators Status mode of each actuator Example Domestic hot water pump ON OFF 8 6 Operation modes Current operation mode Example Defrost oil return mode 8 7 About Version information about the system 8 8 Connection status Information about the connection status of the unit the room thermostat and the LAN adap...

Page 201: ...guide you using the configuration wizard This way you can set the most important initial settings This way the unit will be able to run properly Afterwards more detailed settings can be done via the menu structure if required To restart the configuration wizard go to Installer settings Configuration wizard 9 1 Domestic hot water Domestic hot water The following setting determines if the system can...

Page 202: ... Program a domestic hot water pump schedule to determine when to turn on and off the pump When turned on the pump runs and makes sure hot water is instantly available at the tap To save energy only turn on the pump during periods of the day when instant hot water is necessary Backup heater Besides the type of backup heater the voltage configuration and capacity must be set on the user interface Th...

Page 203: ...ected INFORMATION During normal operation the capacity of the second step of the backup heater at nominal voltage is equal to 6 03 6 04 INFORMATION If 4 0A 3 and emergency mode is active the power usage of the backup heater is maximal and equal to 2 6 03 6 04 INFORMATION Only for systems with integrated domestic hot water tank If the storage temperature setpoint is higher than 50 C Daikin recommen...

Page 204: ...d to your system when performing a space heating test run see 11 4 3 Operation test run 4234 depending on the actual water volume of the system Code Description 9 3 6 5 00 Equilibrium Deactivate backup heater or external backup heat source in case of a bivalent system above the equilibrium temperature for space heating 0 No default for E7 models no need to change but possible 1 Yes default for E m...

Page 205: ...en Emergency is set to Manual and a heat pump failure occurs the domestic hot water heating and space heating stops To manually recover it via the user interface go to the Malfunctioning main menu screen and confirm whether the backup heater can take over the heat load or not Alternatively when Emergency is set to auto SH reduced DHW on space heating is reduced but domestic hot water is still avai...

Page 206: ...bled 1 enabled Glycol filled system Glycol Filled system This setting gives the installer the possibility to indicate whether the system is filled with glycol or water This is important in case glycol is used to protect the water circuit against freezing If NOT set correctly the liquid in the piping can freeze Code Description N A E 0D Glycol Filled system Is the system filled with glycol 0 No 1 Y...

Page 207: ...ot water temperature to be applied at low outdoor temperature when space heating priority is enabled The corrected higher setpoint will make sure that the total heat capacity of the water in the tank remains approximately unchanged by compensating for the colder bottom water layer of the tank because the heat exchanger coil is not operational with a warmer top layer Range 0 C 20 C Timers For simul...

Page 208: ...there is a request for space heating or cooling If there is NO request for space heating cooling the tank is heated until the setpoint has been reached When Control Room thermostat This preset value is always taken into account Range 5 95 minutes Remark It is NOT allowed to set 8 01 to a value below 10 minutes 9 6 7 8 04 Additional timer Additional running time for the maximum running time dependi...

Page 209: ...Which heaters are allowed to operate during preferential kWh rate power supply 0 No None 1 Only BSH Booster heater only 2 Only BUH Backup heater only 3 All All heaters See also below table Allowed heaters during preferential kWh rate power supply Setting 2 is only meaningful if the preferential kWh rate power supply is of type 1 or the hydro module is connected to a separate normal kWh rate power ...

Page 210: ... function 2 Closed The outdoor unit is connected to a preferential kWh rate power supply When the preferential kWh rate signal is sent by the electricity company the contact will close and the unit will go in forced off mode When the signal is released again the voltage free contact will open and the unit will restart operation Therefore always enable the auto restart function 3 Smart grid A Smart...

Page 211: ...anels The unit limits its power consumption during the Smart Grid s Recommended ON mode to only use the power provided by the photovoltaic panels However when the pulse meter is not available you can still limit the unit s power consumption using this setting Limit setting kW This prevents overconsumption and thus requiring the use of power from the grid INFORMATION Tank room buffering priority Th...

Page 212: ...room only in case of room thermostat control or in the DHW tank instead of putting the photovoltaic panel energy on the grid In case of room buffering the room will heat up or cool down to the comfort setpoint In case of tank buffering the tank will heat up to the maximum tank temperature The goal is to buffer the energy from the photovoltaic panels Therefore the capacity of the unit is limited to...

Page 213: ...will be limited when the corresponding digital input asks 9 9 2 4 09 Type 0 Amp The limitation values are set in A 1 kW The limitation values are set in kW Limit when 9 9 1 Continuous and 9 9 2 Amp Code Description 9 9 3 5 05 Limit Only applicable in case of full time current limitation mode 0 A 50 A Limits when 9 9 1 Inputs and 9 9 2 Amp Code Description 9 9 4 5 05 Limit 1 0 A 50 A 9 9 5 5 06 Lim...

Page 214: ...face is set to Swedish NOTICE 2 weeks to change After you activated BBR16 you only have 2 weeks to change its settings BBR16 activation and BBR16 power limit After 2 weeks the unit freezes these settings Note This is different from the permanent power limitation which is always changeable BBR16 activation Code Description 9 9 F 7 07 BBR16 activation 0 disabled 1 enabled BBR16 power limit Code Desc...

Page 215: ...l sensor Code Description 9 B 1 C 08 External sensor When an optional external ambient sensor is connected the type of the sensor must be set 0 None NOT installed The thermistor in the dedicated Human Comfort Interface and in the outdoor unit are used for measurement 1 Outdoor Connected to PCB of the indoor unit measuring the outdoor temperature Remark For some functionality the temperature sensor...

Page 216: ...he selected time period Code Description 9 B 3 1 0A Averaging time 0 No averaging 1 12 hours 2 24 hours 3 48 hours 4 72 hours Bivalent Bivalent Only applicable in case of auxiliary boiler INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with room thermostat control OR external room thermostat control About bivalent The purpose of this function is to determine which...

Page 217: ...stem calculates a value Tcalc which is variable between C 03 and C 03 C 04 TA Tcalc C 03 C 04 3 C C 03 a b TA Outdoor temperature Tcalc Bivalent ON temperature variable Below this temperature the auxiliary boiler will always be ON Tcalc can never go below C 03 or above C 03 C 04 3 C Fixed hysteresis to prevent too much switching between heat pump system and auxiliary boiler a Auxiliary boiler acti...

Page 218: ...ricity price and gas price example both c kWh 2 Determine the value of C 03 using the graph For an example see the table legend 14 0 1 2 3 4 5 6 12 10 8 6 4 2 0 2 4 6 8 10 12 14 COP 10 5 b 2 5 a a C 03 2 5 in case of COP 3 and LWT 35 C b C 03 10 5 in case of COP 3 and LWT 55 C NOTICE Make sure to set the value of 5 01 at least 1 C higher than the value of C 03 Electricity and gas prices INFORMATIO...

Page 219: ... indoor unit error malfunctioning Low level errors caution warning will NOT be transmitted to alarm output 0 Abnormal The alarm output will be powered when an alarm occurs By setting this value a distinction is made between the detection of an alarm and the detection of a power failure 1 Normal The alarm output will NOT be powered when an alarm occurs See also table below Alarm output logic Alarm ...

Page 220: ...ater demand The final decision to allow power interruption of the outdoor unit during standstill depends on the ambient temperature compressor conditions and minimum internal timers To enable the power saving function setting E 08 needs to be enabled on the user interface Code Description 9 F E 08 Power saving function for outdoor unit 0 No 1 Yes Disable protections Protective functions The unit i...

Page 221: ...n be done using the menu structure If for any reason it is required to change a setting using the overview settings then the overview settings can be accessed in the field settings overview 9 I See To modify an overview setting 4139 Export MMI settings About exporting the configuration settings Export the configuration settings of the unit to a USB memory stick via the MMI the user interface of th...

Page 222: ...it installed Code Description 9 P 1 E 0B Bizone kit installed 0 No The system only has a main zone 1 N A 2 Yes A bizone kit is installed in order to add an additional temperature zone Bizone kit system type Code Description 9 P 2 E 0C Bizone system type 0 Without hydraulic separator no direct pump b a 1 With hydraulic separator no direct pump b a c 2 With hydraulic separator with direct pump d c b...

Page 223: ...troller EKMIKPOA the valve turning time must be set accordingly For this setting space heating cooling and tank operation MUST be off C 2 Space heating cooling 0 Off and C 3 Tank 0 Off See 10 5 12 Operation 4224 Code Description 9 P 5 7 0C Mixing valve turning time Time in seconds for the mixing valve to turn from one side to the other 20 300 sec default 125 10 5 10 Commissioning Overview The foll...

Page 224: ...ating cooling 0 Off 1 On C 3 N A Tank 0 Off 1 On 10 5 13 WLAN INFORMATION Restriction WLAN settings are only visible when a WLAN cartridge or WLAN module is installed Overview The following items are listed in the submenu D Wireless gateway Malfunctioning Operation User profile Room D Wireless gateway D 1 Mode D 2 Reboot D 3 WPS D 4 Remove from cloud D 5 Home network connection D 6 Cloud connectio...

Page 225: ...of the front panel See Installation manual of the WLAN module Addendum book for optional equipment b Router Field supply c Smartphone app The ONECTA app needs to be installed on the user s smartphone See http www onlinecontroller daikineurope com Configuration To configure the ONECTA app follow the in app instructions While doing this the following actions and information are needed on the user in...

Page 226: ...ion of the WLAN and the software version of the ONECTA app Remove from cloud Remove the WLAN cartridge module from the cloud Code Description D 4 N A Remove from cloud No Yes Home network connection Read out the status of the connection to the home network Code Description D 5 N A Home network connection Disconnected from WLAN_SSID Connected to WLAN_SSID Cloud connection Read out the status of the...

Page 227: ...m setpoint 1 5 Setpoint range Heating minimum Heating maximum Cooling minimum Cooling maximum 7 2 Time date Hours Minutes Year Month Day Daylight savings time Format 7 3 Holiday Activation From Till 7 4 Quiet Activation Schedule Level 7 5 Electricity price High Medium Low Schedule 8 1 Energy data Electricity input Produced heat 5 Tank Powerful operation Comfort setpoint Eco setpoint Reheat setpoin...

Page 228: ...y Benefit kWh power supply Smart grid operation mode Allow electrical heaters Limit setting kW Enable room buffering Allow heater Allow pump 9 Installer settings Configuration wizard Domestic hot water Backup heater Emergency Balancing Water pipe freeze prevention Benefit kWh power supply Power consumption control Energy metering Sensors Bivalent Alarm output Auto restart Power saving function Dis...

Page 229: ...ation Installer reference guide 229 EPRA14 18D ETVH16SU18 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 INFORMATION Depending on the selected installer settings and unit type settings will be visible invisible ...

Page 230: ...he software is equipped with protective functions such as room antifrost The unit automatically runs these functions when necessary During installation or service this behaviour is undesired Therefore the protective functions can be disabled At first power on The protective functions are disabled by default After 12 hours they will be automatically enabled Afterwards An installer can manually disa...

Page 231: ...installation of the unit check the items listed below 2 Close the unit 3 Power up the unit You read the complete installation instructions as described in the installer reference guide The indoor unit is properly mounted The outdoor unit is properly mounted The following field wiring has been carried out according to this document and the applicable legislation Between the local supply panel and t...

Page 232: ...the water volume and flow rate in 8 1 Preparing water piping 484 To perform an air purge To perform a test run To perform an actuator test run Underfloor screed dryout function The underfloor screed dryout function is started if necessary 11 4 1 Minimum flow rate Purpose For a correct operating unit it is important to check if the minimum flow rate is reached If needed modify the bypass valve sett...

Page 233: ...lly changes the pump speed and switches the position of the 3 way valve between the space heating and the domestic hot water circuit Typical workflow Purging the air from the system should consist of 1 Performing a manual air purge 2 Performing an automatic air purge INFORMATION Start by performing a manual air purge When almost all the air is removed perform an automatic air purge If necessary re...

Page 234: ...sion level 4138 2 Go to A 3 Commissioning Air purge 3 In the menu set Type Automatic 4 Select Start air purge 5 Select OK to confirm Result The air purge starts It stops automatically when done 6 To stop the air purge manually 1 In the menu go to Stop air purge 2 Select OK to confirm 11 4 3 Operation test run Purpose Perform test runs on the unit and monitor the leaving water and tank temperatures...

Page 235: ...anual stop During the space heating test run the unit measures the temperature increase If you manually stop the test run After 30 min from start the measurement will be successful Before 30 min from start the measurement might be unsuccessful If the measurement is successful the logic to activate the backup heater will use a timeframe tuned to your system If not it will use the default timeframe ...

Page 236: ... confirm Possible actuator test runs Backup heater 1 test Backup heater 2 test Pump test INFORMATION Make sure that all air is purged before executing the test run Also avoid disturbances in the water circuit during the test run Shut off valve test Diverter valve test 3 way valve for switching between space heating and tank heating Bivalent signal test Alarm output test C H signal test DHW pump te...

Page 237: ...ll perform the screed dryout and supply the leaving water without heat pump operation To program an underfloor heating screed dryout schedule Duration and temperature The installer can program up to 20 steps For each step he needs to enter 1 the duration in hours up to 72 hours 2 the desired leaving water temperature up to 55 C Example t T A1 25 C 1 35 C 2 24h 1 36h 2 T Desired leaving water tempe...

Page 238: ...sable room frost protection by setting 2 06 to 0 and KEEP it disabled until the screed dryout has finished Ignoring this notice will result in cracking of the screed NOTICE For the underfloor heating screed dryout to be able to start make sure the following settings are met 4 00 1 C 02 0 D 01 0 4 08 0 4 01 1 Steps Conditions An underfloor heating screed dryout schedule has been programmed See To p...

Page 239: ... failure the U3 error is not generated When power is restored the unit automatically restarts the latest step and continues the program Stop UFH screed dryout To manually stop underfloor heating screed dryout 1 Go to A 4 3 Commissioning UFH screed dryout 2 Select Stop UFH screed dryout 3 Select OK to confirm Result The underfloor heating screed dryout is stopped Read out UFH screed dryout status W...

Page 240: ...ng table in the operation manual with the actual settings Make sure that the user has the printed documentation and ask him her to keep it for future reference Inform the user that he can find the complete documentation at the URL mentioned earlier in this manual Explain the user how to properly operate the system and what to do in case of problems Show the user what to do for the maintenance of t...

Page 241: ...afety precautions 241 13 2 Yearly maintenance 241 13 2 1 Yearly maintenance outdoor unit overview 241 13 2 2 Yearly maintenance outdoor unit instructions 242 13 2 3 Yearly maintenance indoor unit overview 242 13 2 4 Yearly maintenance indoor unit instructions 242 13 3 To drain the domestic hot water tank 245 13 4 To inspect the inside of the domestic hot water tank 246 13 5 About cleaning the wate...

Page 242: ...ilter Close the valve Clean and rinse the water filter NOTICE Handle the filter with care To prevent damage to the mesh of the filter do NOT use excessive force when you reinsert it 1 3 2 13 2 3 Yearly maintenance indoor unit overview Water pressure Magnetic filter dirt separator Water pressure relief valve Relief valve hose Pressure relief valve of the domestic hot water tank Switch box Descaling...

Page 243: ... isolate the magnetic filter dirt separator by closing the shut off valves To properly empty the dirt separator sufficient pressure is required To prevent dirt from remaining in the dirt separator ALWAYS take off the magnetic sleeve ALWAYS first unscrew the drain cap and connect a drain hose to the bottom of the water filter then open the drain valve INFORMATION For yearly maintenance you do not h...

Page 244: ...r Switch box Carry out a thorough visual inspection of the switch box and look for obvious defects such as loose connections or defective wiring Using an ohmmeter check if contactors K1M K2M K3M and K5M depending on your installation operate correctly All contacts of these contactors must be in open position when the power is turned OFF WARNING If the internal wiring is damaged it has to be replac...

Page 245: ...ainer or cartridge are damaged 6 Refit the strainer cartridge and cover 7 If the cartridge has been replaced calibrate the pressure reducing valve Close the downstream isolating valve field supply Install an Allen key on the calibration screw in the centre of the plastic cover Rotate it clockwise to increase the outlet pressure and anticlockwise to reduce it Temperature and pressure relief valve C...

Page 246: ...unit 473 4 Remove the tube from the temperature and pressure relief valve that is located on top of the tank 5 Remove the temperature and pressure relief valve from the tank 6 Use a drain hose and a pump to drain the tank via the access point 2 1 7 Tightening torques for installation Item Tightening torque Tube connection 30 N m Temperature and pressure relief valve 40 N m 13 4 To inspect the insi...

Page 247: ... water filter in case of trouble INFORMATION For yearly maintenance you do not have to remove the water filter from the unit to clean it But in case of trouble with the water filter you might have to remove it so that you can thoroughly clean it Then you need to do as follows 13 5 1 To remove the water filter 4247 13 5 2 To clean the water filter in case of trouble 4248 13 5 3 To install the water...

Page 248: ...he drain hose from the water filter NOTICE Although the water circuit is drained some water may be spilled when removing the magnetic filter dirt separator from the filter housing ALWAYS clean up spilled water 13 5 2 To clean the water filter in case of trouble 1 Remove the water filter from the unit See 13 5 1 To remove the water filter 4247 NOTICE To protect the piping connected to the magnetic ...

Page 249: ...ng the protrusions a b c c a Rolled up filter b Strainer c Protrusion 5 Install and properly tighten the bottom of the water filter housing 13 5 3 To install the water filter NOTICE Check the condition of the O rings and replace if needed Apply water or silicon grease to the O rings before installation 1 Install the water filter in the correct location a c b a a Clip b Magnetic filter dirt separat...

Page 250: ...PRA14 18D ETVH16SU18 23E Daikin Altherma 3 H HT F 4P644738 1A 2022 03 CAUTION Make sure to open the valve if equipped towards the expansion vessel otherwise the overpressure will be generated 5 Open the stop valves and add water to the water circuit if needed ...

Page 251: ...noise cavitation 255 14 3 7 Symptom The pressure relief valve opens 255 14 3 8 Symptom The water pressure relief valve leaks 256 14 3 9 Symptom The space is NOT sufficiently heated at low outdoor temperatures 256 14 3 10 Symptom The pressure at the tapping point is temporarily unusually high 257 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error 257 14 4 Solving problem...

Page 252: ...Solving problems based on symptoms 14 3 1 Symptom The unit is NOT heating or cooling as expected Possible causes Corrective action The temperature setting is NOT correct Check the temperature setting on the remote controller Refer to the operation manual The water flow is too low Check and make sure that All shut off valves of the water circuit are completely open The water filter is clean Clean i...

Page 253: ...r can start If the backup heater doesn t start either check and make sure that The power supply to the backup heater is correctly wired The backup heater thermal protector is NOT activated The backup heater contactors are NOT broken If the problem persists contact your dealer The preferential kWh rate power supply settings and electrical connections do NOT match This should match with the connecti...

Page 254: ...it to be performed by the installer If you purge air from the heat emitters or collectors mind the following WARNING Air purging heat emitters or collectors Before you purge air from heat emitters or collectors check if or is displayed on the home screen of the user interface If not you can purge air immediately If yes make sure that the room where you want to purge air is sufficiently ventilated ...

Page 255: ... 8 1 4 Changing the pre pressure of the expansion vessel 490 14 3 7 Symptom The pressure relief valve opens Possible causes Corrective action The expansion vessel is broken Replace the expansion vessel The valve if equipped of the water circuit towards the expansion vessel is closed Open the valve The water volume in the installation is too high Make sure that the water volume in the installation ...

Page 256: ...rective action The backup heater operation is not activated Check the following The backup heater operation mode is enabled Go to 9 3 8 Installer settings Backup heater Operation 4 00 The backup heater overcurrent circuit breaker is on If not turn it back on The thermal protector of the backup heater is NOT activated If it has check the following and then press the reset button in the switch box T...

Page 257: ... Replace the pressure relief valve 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error Possible causes Corrective action The disinfection function was interrupted by domestic hot water tapping Program the start up of the disinfection function when the coming 4 hours NO domestic hot water tapping is expected Large domestic hot water tapping happened recently before the pr...

Page 258: ...tion the following will appear on the home screen depending on the severity Error Malfunction You can get a short and a long description of the malfunction as follows 1 Press the left dial to open the main menu and go to Malfunctioning Result A short description of the error and the error code is displayed on the screen 2 Press in the error screen Result A long description of the error is displaye...

Page 259: ...stat 8H 03 Overheating water circuit thermostat A1 00 Zero cross detection problem A5 00 OU High pressure peak cut freeze protection problem AA 01 Backup heater overheated or BUH power cable not connected AC 00 Booster heater overheated AH 00 Tank disinfection function not completed correctly AJ 03 Too long DHW heat up time required C0 00 Flow sensor malfunction C0 01 Future use do not translate C...

Page 260: ...h H5 00 Malfunction of compressor overload protection H6 00 OU Malfunction of position detection sensor H8 00 OU Malfunction of compressor input CT system H9 00 OU Malfunction of outdoor air thermistor HC 00 Tank temperature sensor problem HC 01 Second tank temperature sensor problem HJ 10 Water pressure sensor abnormality J3 00 OU Malfunction of discharge pipe thermistor J3 10 Compressor port the...

Page 261: ...r PJ 00 Capacity setting mismatch U0 00 OU Shortage of refrigerant U1 00 Malfunction by reverse phase open phase U2 00 OU Defect of power supply voltage U3 00 Underfloor heating screed dryout function not completed correctly U4 00 Indoor outdoor unit communication problem U5 00 User interface communication problem U7 00 OU Transmission malfunction between main CPU INV CPU U8 02 Connection with roo...

Page 262: ... program an Eco action 3 hours before the scheduled start up of the disinfection function to preheat the tank NOTICE When the minimum water flow is lower than described in the table below the unit will temporarily stop operation and the user interface will display error 7H 01 After some time this error will reset automatically and the unit will resume operation Minimum required flow rate For E mod...

Page 263: ...cover refrigerant Make sure the valves Y1E Y3E Y2S Y3S Y4S are open If they are not open during refrigerant recovery refrigerant remains trapped in the unit a Y2S Y3S Y4S Y3E Y1E a Service port 5 16 flare Y1E Electronic expansion valve main Y3E Electronic expansion valve injection Y2S Solenoid valve low pressure bypass Y3S Solenoid valve hot gas bypass Y4S Solenoid valve liquid injection To recove...

Page 264: ...expansion valves 4264 2 Recover refrigerant from the service port a 15 1 1 To manually open the electronic expansion valves Before recovering refrigerant make sure the electronic expansion valves are open When power is OFF this has to be done manually c2 c1 1 2 3 c3 c1 Electronic expansion valve c2 EEV coil c3 EEV magnet 1 Remove the EEV coil c2 2 Slide an EEV magnet c3 over the expansion valve c1...

Page 265: ...V3 EPRA14 18DAW1 H1P H7P 7 LEDs display BS1 BS4 Push buttons Operate the push buttons with an insulated stick such as a closed ballpoint pen to avoid touching of live parts To activate the recovery mode INFORMATION If you get confused in the middle of the process press BS1 to return to the default situation Before recovering refrigerant activate the recovery mode as follows Action 7 LEDs display a...

Page 266: ...es To deactivate the recovery mode After recovering refrigerant deactivate the recovery mode as follows Procedure 7 LEDs display a H1P H2P H3P H4P H5P H6P H7P 1 Press and hold BS1 for 5 seconds 2 Press BS2 9 times 3 Press BS3 once 4 Press BS2 once 5 Press BS3 once 6 Press BS3 once 7 Press BS1 once to return to the default situation a OFF ON and flashing Result The recovery mode is deactivated The ...

Page 267: ...egional Daikin website publicly accessible The full set of latest technical data is available on the Daikin Business Portal authentication required In this chapter 16 1 Service space Outdoor unit 268 16 2 Piping diagram Outdoor unit 269 16 3 Piping diagram Indoor unit 270 16 4 Wiring diagram Outdoor unit 271 16 5 Wiring diagram Indoor unit 276 16 6 Technical specifications Domestic hot water tank ...

Page 268: ...B C D E HB HU HD 150 H U The symbols can be interpreted as follows A C Right side and left side obstacles walls baffle plates B Suction side obstacle wall baffle plate D Discharge side obstacle wall baffle plate E Top side obstacle roof a b c d e Minimum service space between the unit and obstacles A B C D and E eB Maximum distance between the unit and the edge of obstacle E in the direction of ob...

Page 269: ...or d Pinched pipe R5T Air heat exchanger middle e Refrigerant filter R6T Refrigerant liquid f One way valve R7T Compressor shell g Economiser heat exchanger R8T Compressor port h Service port 5 16 flare R9T Entering water i Capillary tube R10T Leaving water j Distributor k Air heat exchanger Refrigerant flow l PCB cooling Heating m Accumulator Cooling n Muffler E1HHEX Plate heat exchanger heater M...

Page 270: ...ld water IN screw connection 3 4 b2 DHW Hot water OUT screw connection 3 4 c1 Water IN from outdoor unit screw connection 1 c2 Water OUT to outdoor unit screw connection 1 d Pump e Backup heater f Shut off valve male female 1 g Expansion vessel h Magnetic filter dirt separator i Safety valve j Air purge k Drain valve l Loose nut 1 B1PW Space heating water pressure sensor B2L Flow sensor M3S 3 way ...

Page 271: ...ctronic component assembly Electronic component assembly Front side view Front side view Indoor Indoor OFF OFF ON ON Outdoor Outdoor Position of compressor terminal Position of compressor terminal Position of elements Position of elements Rear side view only for W1 models Rear side view Right side view Right side view See note See note Notes 1 Symbols L Live N Neutral Protective earth Noiseless ea...

Page 272: ...ng of the selector switch DS1 7 only for W1 models Ferrite core Z8C consists of 2 separate core parts Legend in case of V3 models A1P Printed circuit board main A2P Printed circuit board noise filter A3P Printed circuit board leakage current A4P Printed circuit board ACS A5P Printed circuit board flash BS1 BS4 A1P Push button switch C1 C4 A1P A2P Capacitor DS1 A1P DIP switch E1H Drain tube heater ...

Page 273: ...essor suction R4T Thermistor air heat exchanger distributor R5T Thermistor air heat exchanger middle R6T Thermistor refrigerant liquid R7T Thermistor compressor shell R8T Thermistor compressor port R9T Thermistor entering water R10T Thermistor leaving water R11T Thermistor fin RC A2P Signal receiver circuit S1NPH High pressure sensor S1PH S2PH High pressure switch S1PL Low pressure switch T1A Curr...

Page 274: ...ly E1HHEX Plate heat exchanger heater F1U Field fuse field supply F1U F7U A1P A2P Fuse H1P H7P A1P Light emitting diode service monitor is orange HAP A1P A2P Light emitting diode service monitor is green K1R A1P Magnetic relay Y1S K1R A2P Magnetic relay K1R A4P Magnetic relay E1HHEX K2R A1P Magnetic relay Y2S K2R A4P Magnetic relay E1H K3R A1P Magnetic relay Y3S K4R A1P Magnetic relay E1HC K2M K11...

Page 275: ...R11T Thermistor fin S1NPH High pressure sensor S1PH S2PH High pressure switch S1PL Low pressure switch T1A Current transfo V1R V2R A2P IGBT power module V3R A2P Diode module X1M X2M Terminal strip Y1E Electronic expansion valve main Y3E Electronic expansion valve injection Y1S Solenoid valve 4 way valve Y2S Solenoid valve low pressure bypass Y3S Solenoid valve hot gas bypass Y4S Solenoid valve liq...

Page 276: ...witch box Wiring depending on model PCB Note 1 Connection point of the power supply for the BUH should be foreseen outside the unit Note 1 Connection point of the power supply for the backup heater should be foreseen outside the unit Backup heater power supply Backup heater power supply 6T1 3 230 V 6 kW 6T1 3 230 V 6 kW 6V3 1N 230 V 6 kW 6V3 1N 230 V 6 kW 6WN 9WN 3N 400 V 6 9 kW 6WN 9WN 3N 400 V 6...

Page 277: ...ranslation Position in switch box Position in switch box Legend A1P Main PCB A2P ON OFF thermostat PC power circuit A3P Heat pump convector A4P Digital I O PCB A8P Demand PCB A11P Main PCB of the MMI user interface of the indoor unit A14P PCB of the dedicated Human Comfort Interface BRC1HHDA used as room thermostat A15P Receiver PCB wireless ON OFF thermostat A20P WLAN module A30P Bizone mixing ki...

Page 278: ...ly terminal strip X X A J X H X Y Connector X M Terminal strip Optional Field supply Translation of text on wiring diagram English Translation 1 Main power connection 1 Main power connection For HP tariff For heat pump tariff Indoor unit supplied from outdoor Indoor unit supplied from outdoor Normal kWh rate power supply Normal kWh rate power supply Only for normal power supply standard Only for n...

Page 279: ...izone mixing kit Continuous Continuous current DHW pump output Domestic hot water pump output DHW pump Domestic hot water pump Electrical meters Electrical meters For HV smartgrid For high voltage Smart Grid For LV smartgrid For low voltage Smart Grid For safety thermostat For safety thermostat For smartgrid For Smart Grid Inrush Inrush current Max load Maximum load Normally closed Normally closed...

Page 280: ...lied by PCB Power limitation digital inputs 12 V DC 12 mA detection voltage supplied by PCB Space C H On OFF output Space cooling heating ON OFF output SWB Switch box 8 External On OFF thermostats and heat pump convector 8 External ON OFF thermostats and heat pump convector Additional LWT zone Additional leaving water temperature zone Main LWT zone Main leaving water temperature zone Only for exte...

Page 281: ...or KRTW wired room thermostat 5 core for C H operation 4 core for H only operation 3 core for C H operation 2 core for H only operation communication 2 core OPTIONAL PART External room thermostat Heat pump convector main and or additional zone main X2M 30 31 34 35 add X2M 30 31 34a 35a main X2M 30 34 35 add X2M 30 34a 35a Cooling heating ON OFF output NO valve X2M 21 28 NC valve X2M 21 29 Changeov...

Page 282: ...aler Installed by name address tel No completion date TECHNICAL SPECIFICATIONS EN12897 2016 Maximum water supply pressure to pressure reducing valve 16 bar Operating pressure set pressure of pressure reducing valve 3 5 bar Maximum primary working pressure heating 2 5 bar Maximum flow temperature 65 oC Expansion vessel pre charge pressure 3 5 bar Expansion valve setting 8 bar Temperature and pressu...

Page 283: ...ating cooling circuit B Water flow rate through the unit in the space heating cooling circuit C Operation range D Minimum water flow during normal operation E Minimum water flow during backup heater operation F1 Minimum water flow during defrost operation for E models F2 Minimum water flow during defrost operation for E7 models Notes Selecting a flow outside the operating area can damage the unit ...

Page 284: ...ct or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenance instructions Instruction manual specified for a certain product or application which explains if relevant how to install configure operate and or maintain the product or application Accessories Labels manua...

Page 285: ...X16E 6V ETBX16E 9W ETVH16S18E 6V ETVH16S23E 6V ETVH16S18E 9W ETVH16S23E 9W ETVX16S18E 6V ETVX16S23E 6V ETVX16S18E 9W ETVX16S23E 9W ETVH16SU18E 6V ETVH16SU23E 6V Notes 1 6V 2 9W 3 ETB 4 ETV 5 X 6 H 7 SU 8 E model E 6V 9W 9 E7 model E 6V7 9W7 A B C Z 1 2 3 9 4P644734 1A 2022 03 ...

Page 286: ...C 37 68 step 1 C 7 68 C 2 0C 2 37 55 step 1 C 55 C 2 8 3 9 03 R W 5 18 C step 1 C 7 C 2 8 4 9 02 R W 18 22 C step 1 C 22 C Main zone 2 9 C 07 R W 0 LWT control 1 Ext RT control 2 RT control 2 A C 05 R W 0 1 1 contact 2 2 contacts Delta T 2 B 1 1 0B R W 3 10 C step 1 C 8 3 12 C step 1 C 9 2 0C 2 Radiator 5 C 2 0C 2 Radiator 10 C 2 B 2 1 0D R W 3 10 C step 1 C 5 C Modulation High ambient temp for LW...

Page 287: ...onal zone 3 C R O 0 2 points 1 Slope Offset Space heating cooling Operation range 4 3 1 4 02 R W 14 35 C step 1 C 35 C 4 3 2 F 01 R W 10 35 C step 1 C 20 C Space heating cooling 4 4 7 02 R W 0 1 LWT zone 1 2 LWT zones 4 5 F 0D R W 0 Continuous 1 Sample 2 Request 4 6 E 02 R W 5 R O 6 0 Reversible 5 1 Heating only 6 4 7 9 0D R W 0 8 step 1 0 No limitation 1 4 90 60 pump speed 5 8 90 60 pump speed du...

Page 288: ... 2 20 C step 1 C 10 C 5 B R W 0 Fixed 1 Weather dependent WD curve 5 C 0 0B R W 35 6 0E C step 1 C 55 C 5 C 0 0C R W 45 6 0E C step 1 C 8 Min 45 6 0E 6 0E C step 1 C 9 60 C 5 C 0 0D R W 10 25 C step 1 C 15 C 5 C 0 0E R W 40 5 C step 1 C 10 C Tank 5 D 6 01 R W 0 10 C step 1 C 2 C 5 E R O 0 2 points 1 Slope Offset User settings Quiet 7 4 1 R W 0 OFF 1 Manual 2 Automatic 7 4 3 R W 0 Quiet 1 More Quie...

Page 289: ...7 1 08 R W 9 03 9 02 C step 1 C 22 C 9 1 7 1 09 R W 9 03 9 02 C step 1 C 2 0C 0 18 C 2 0C 1 7 C 2 0C 2 18 C Additional zone 9 1 8 1 2 0D R W 0 Underfloor heating 1 Fancoil unit 2 Radiator 9 1 8 3 R W 0 Fixed 1 WD heating fixed cooling 2 Weather dependent 9 1 8 4 R W 0 No 1 Yes 9 1 9 0 00 R W 9 05 min 45 9 06 C step 1 C 35 C 9 1 9 0 01 R W 9 05 9 06 C step 1 C 65 C 9 1 9 0 02 R W 10 25 C step 1 C 1...

Page 290: ... 20 95 min step 5 min 50 min 9 4 4 4 03 R W 0 Restricted 1 Allowed 2 Overlap 3 Compressor off 4 Legionella only Emergency 9 5 1 4 06 R W 0 Manual 1 Automatic 2 Auto red SH DHW ON 3 Auto red SH DHW OFF 4 Auto normal SH DHW OFF 9 5 2 7 06 R W 0 Disabled 1 Enabled Balancing 9 6 1 5 02 R W 0 Disabled 1 Enabled 9 6 2 5 03 R W 15 35 C step 1 C 0 C 9 6 3 5 04 R W 0 20 C step 1 C 10 C 9 6 4 8 02 R W 0 10 ...

Page 291: ... 100 pulse kWh 5 1000 pulse kWh 9 A 2 D 09 R W 0 No 1 0 1 pulse kWh 2 1 pulse kWh 3 10 pulse kWh 4 100 pulse kWh 5 1000 pulse kWh 6 100 pulse kWh PV meter 7 1000 pulse kWh PV meter Sensors 9 B 1 C 08 R W 0 No 1 Outdoor sensor 2 Room sensor 9 B 2 2 0B R W 5 5 C step 0 5 C 0 C 9 B 3 1 0A R W 0 No averaging 1 12 hours 2 24 hours 3 48 hours 4 72 hours Bivalent 9 C 1 C 02 R W 0 No 1 Bivalent 9 C 2 7 05...

Page 292: ... zone heating WD curve Leaving water value for low ambient temp for LWT add zone heating WD curve High ambient temp for LWT add zone heating WD curve Low ambient temp for LWT add zone heating WD curve Leaving water value for high ambient temp for LWT add zone cooling WD curve Leaving water value for low ambient temp for LWT add zone cooling WD curve High ambient temp for LWT add zone cooling WD cu...

Page 293: ... 9 I 5 04 R W 0 20 C step 1 C 10 C 9 I 5 05 R W 0 50 A step 1 A 50 A 9 I 5 06 R W 0 50 A step 1 A 50 A 9 I 5 07 R W 0 50 A step 1 A 50 A What is the disinfection target temperature How long must the tank temperature be maintained Room antifrost temperature Room frost protection Adjust the offset on the measured room temperature Adjust the offset on the measured room temperature What is the require...

Page 294: ...W 9 01 9 00 step 1 C 35 C 9 I 8 0A R W 9 01 9 00 step 1 C 33 C 9 I 8 0B 13 What is the requested limit for DI4 The temperature difference determining the heat pump ON temperature The temperature difference determining the heat pump OFF temperature What is the capacity of the booster heater What is the capacity of the backup heater step 1 What is the capacity of the backup heater step 2 What is the...

Page 295: ...ion 4 Circulation and disinfection 9 I D 03 R W 0 No 1 increase 2 C span 4 C 2 increase 4 C span 4 C 3 increase 2 C span 8 C 4 increase 4 C span 8 C 9 I D 04 R W 0 No 1 Pwr consmp ctrl 9 I D 05 R W 0 Forced off 1 As normal What is the allowed LWT undershoot during cooling start up What is the mimimum desired LWT for add zone in heating Bivalent hysteresis temperature What is the maximum desired LW...

Page 296: ... 1 Enabled 9 I F 0A 0 9 I F 0B R W 0 No 1 Yes 9 I F 0C R W 0 No 1 Yes 9 I F 0D R W 0 Continuous 1 Sample 2 Request Bi zone kit settings 9 P 1 E 0B R W 0 not installed 1 2 Bizone kit installed 9 P 2 E 0C R W 0 Without hydraulic separator no direct pump 1 With hydraulic separator no direct pump 2 With hydraulic separator with direct pump 9 P 3 7 0A R W 20 95 step 5 95 9 P 4 7 0B R W 20 95 step 5 95 ...

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Page 300: ...4P644738 1A 2022 03 Copyright 2021 Daikin Verantwortung für Energie und Umwelt ...

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