Daikin EHVZ04S18EA6V Installer'S Reference Manual Download

Page: 272 / 272

4P629093-1A

2021.11

Verantwortung für Energie und Umwelt

Summary of Contents for EHVZ04S18EA6V

Page 1: ... reference guide Daikin Altherma 3 R F ERGA04EAV3 ERGA06EAV3H ERGA08EAV3H ERGA04EAV3A ERGA06EAV3A ERGA08EAV3A EHVZ04S18EA6V EHVZ08S18EA6V EHVZ08S23EA6V EHVZ08S18EA9W EHVZ08S23EA9W https daikintechnicaldatahub eu ...

Page 2: ...unit and outdoor unit 30 6 Application guidelines 31 6 1 Overview Application guidelines 31 6 2 Setting up the space heating system 32 6 2 1 Multiple rooms Two LWT zones 32 6 3 Setting up the domestic hot water tank 34 6 3 1 System layout Integrated DHW tank 34 6 3 2 Selecting the volume and desired temperature for the DHW tank 35 6 3 3 Setup and configuration DHW tank 36 6 3 4 DHW pump for instan...

Page 3: ...e refrigerant piping 77 8 3 2 Precautions when checking the refrigerant piping 78 8 3 3 To check for leaks 78 8 3 4 To perform vacuum drying 79 8 3 5 To insulate the refrigerant piping 80 8 4 Charging refrigerant 80 8 4 1 About charging refrigerant 80 8 4 2 Precautions when charging refrigerant 81 8 4 3 To determine the additional refrigerant amount 81 8 4 4 To determine the complete recharge amou...

Page 4: ...etpoint screen 131 10 3 6 Detailed screen with values 132 10 4 Preset values and schedules 133 10 4 1 Using preset values 133 10 4 2 Using and programming schedules 133 10 4 3 Schedule screen Example 136 10 4 4 Setting the energy prices 140 10 5 Weather dependent curve 142 10 5 1 What is a weather dependent curve 142 10 5 2 2 points curve 143 10 5 3 Slope offset curve 144 10 5 4 Using weather depe...

Page 5: ...sioning 232 14 3 5 Symptom The pump is making noise cavitation 233 14 3 6 Symptom The pressure relief valve opens 233 14 3 7 Symptom The water pressure relief valve leaks 234 14 3 8 Symptom The space is NOT sufficiently heated at low outdoor temperatures 234 14 3 9 Symptom The pressure at the tapping point is temporarily unusually high 235 14 3 10 Symptom Decoration panels are pushed away due to a...

Page 6: ... 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 Preparation of the installation good practices reference data Format Digital files on http www daikineurope com support and manuals product information Addendum book for optional equ...

Page 7: ...tps 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 using the QR codes below Registration to the Stand By Me platform is required to access the app App Store Google Play 1 1 Meaning of warnings and symbols DANGER Indica...

Page 8: ...specting 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 reference to it Example 1 3 Table title means Table 3 in chapter 1 1 2 Installer reference guide at a glance Chapter Description About this document What documentation exists for the installer General ...

Page 9: ...o 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 Troubleshooting What to do in case of problems Disposal How to dispose of the system Technical data Specifications of the system Glossary De...

Page 10: ...nt WARNING Improper installation or attachment of equipment or accessories could result in 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 docu...

Page 11: ... the unit Make sure the area is well ventilated Do NOT block any ventilation openings Make sure the unit is level Do NOT install the unit in the following 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 d...

Page 12: ...T release them directly into the environment Use a vacuum pump to evacuate the installation NOTICE After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a gas leak detection NOTICE To avoid compressor breakdown do NOT charge more than the specified amount of refrigerant When the refrigerant system is to be opened refrigerant MUST be treated according to the...

Page 13: ...on manual or installer reference guide of your application for 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 t...

Page 14: ...he earth leakage protector 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 carrying cables first before separating the earth connection The length of the conductors between the power supply stress relief and the terminal block itself MUST be as such that the current carr...

Page 15: ...box is connected securely Make sure all covers are closed before starting up the unit 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 produ...

Page 16: ...53 WARNING The appliance shall be stored in a room without continuously operating ignition sources example open flames an operating gas appliance or an operating electric heater WARNING DO NOT reuse refrigerant piping that has been used with any other refrigerant Replace the refrigerant pipes or clean thoroughly Special requirements for R32 see 7 1 1 Installation site requirements of the outdoor u...

Page 17: ...door unit 468 WARNING Fixing method of the indoor unit MUST be in accordance with the instructions from this manual See 7 4 Mounting the indoor unit 468 Piping installation see 8 Piping installation 470 WARNING Field piping method MUST be in accordance with the instructions from this manual See 8 Piping installation 470 DANGER RISK OF BURNING SCALDING WARNING If the total refrigerant charge in the...

Page 18: ...nd MUST comply with the applicable legislation Make electrical connections to the fixed wiring All components procured on site and all electrical construction MUST comply with the applicable legislation WARNING If the power supply has a missing or wrong N phase equipment might break down Establish proper earthing Do NOT earth the unit to a utility pipe surge absorber or telephone earth Incomplete ...

Page 19: ...ic hot water temperature at the hot water tap will be equal to the value selected in field setting 2 03 after a disinfection operation When the high domestic hot water temperature can be a potential risk for human injuries a mixing valve field supply shall be installed at the hot water outlet connection of the domestic hot water tank This mixing valve shall secure that the hot water temperature at...

Page 20: ...circuit breaker When a safety device was activated stop the unit and find out why the safety device was activated before resetting it NEVER shunt safety devices or change their values to a value other than the factory default setting If you are unable to find the cause of the problem call your dealer WARNING Prevent hazards due to inadvertent resetting of the thermal cut out power to this applianc...

Page 21: ...age If you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the outdoor unit Possible consequence Self combustion and explosion of the compressor because of air going into the operating compressor Use a separate recovery system so that the unit s compressor ...

Page 22: ...t 24 4 3 1 To unpack the indoor unit 24 4 3 2 To remove the accessories from the indoor unit 25 4 3 3 To handle the indoor unit 25 4 1 Overview About the box This chapter describes what you have to do after the boxes with the outdoor and indoor unit are delivered on site Keep the following in mind At delivery the unit MUST be checked for damage Any damage MUST be reported immediately to the claims...

Page 23: ...nd the handle to the right Pull up both sides of the sling at the same time to prevent disconnection of the sling from the unit 2 1 1 2 While handling the unit Keep both sides of the sling level Keep your back straight 3 After mounting the unit remove the sling from the unit by pulling 1 side of the sling 4 2 3 To remove the accessories from the outdoor unit 1 Lift the outdoor unit See 4 2 2 To ha...

Page 24: ... label d Energy label e Unit mounting plate f Bolts nuts washers spring washers and wire clamp 4 3 Indoor unit At delivery the unit MUST be checked for damage Any damage MUST be reported immediately to the claims agent of the carrier Bring the packed unit as close as possible to its final installation position to prevent damage during transport Unpack the indoor unit completely according to the in...

Page 25: ...eral safety precautions e Addendum book for optional equipment f Indoor unit installation manual g Operation manual h WLAN cartridge i Sealing rings for shut off valves space heating water circuit j Sealing rings for field supplied shut off valves domestic hot water circuit k Sealing tape for low voltage wiring intake 4 3 3 To handle the indoor unit Use the handles at the back and at the bottom to...

Page 26: ...ining units and options 27 5 2 1 Possible options for the outdoor unit 27 5 2 2 Possible options for the indoor unit 28 5 2 3 Possible combinations of indoor unit and outdoor unit 30 5 1 Identification 5 1 1 Identification label Outdoor unit Location Model identification Example ER G A 06 EA V3 A Code Explanation ER European split outdoor pair heat pump G Medium water temperature ambient zone see ...

Page 27: ...kit EKDP008D The drain pan kit is required to gather the drain from the outdoor unit The drain pan kit consists of Drain pan Installation brackets For installation instructions see the installation manual of the drain pan Drain pan heater EKDPH008CA The drain pan heater is required to avoid freezing up of the drain pan It is recommended to install this option in colder regions with possible low am...

Page 28: ...e the installation manual of the control and the addendum book for optional equipment Room thermostat EKRTWA EKRTR1 You can connect an optional room thermostat to the indoor unit This thermostat can either be wired EKRTWA or wireless EKRTR1 For installation instructions see the installation manual of the room thermostat and addendum book for optional equipment Remote sensor for wireless thermostat...

Page 29: ...ght to have an improved system behaviour For installation instructions see the installation manual of the remote outdoor sensor and the addendum book for optional equipment INFORMATION You can only connect either the remote indoor sensor or the remote outdoor sensor PC cable EKPCCAB4 The PC cable makes a connection between the switch box of the indoor unit and a PC It gives the possibility to upda...

Page 30: ...e Human Comfort Interface 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 boo...

Page 31: ... 5 Setting up the power consumption control 41 6 5 1 Permanent power limitation 42 6 5 2 Power limitation activated by digital inputs 43 6 5 3 Power limitation process 44 6 5 4 BBR16 power limitation 44 6 6 Setting up an external temperature sensor 45 6 1 Overview Application guidelines The purpose of the application guidelines is to give a glance of the possibilities of the heat pump system NOTIC...

Page 32: ...rol the room frost protection However the room frost protection is only possible if C 2 Space heating cooling On NOTICE If you install this unit as a single zone application then Setup Install a bypass between the space heating water inlet and outlet of the additional zone direct zone Do NOT interrupt the water flow by closing the shut off valves a a Bypass Configuration Set field setting 7 02 0 N...

Page 33: ...nnecting the electrical wiring to the unit see 9 2 Connections to the outdoor unit 497 9 3 Connections to the indoor unit 499 For the main zone the room temperature is controlled by the dedicated Human Comfort Interface BRC1HHDA used as room thermostat For the additional zone The external thermostat is directly connected to the indoor unit The desired room temperature is set via the external therm...

Page 34: ...additional zone 3 A Code C 06 1 1 contact When the used external room thermostat or heat pump convector can only send a thermo ON OFF condition Shut off valve output Set to follow the thermo demand of the main zone Benefits Comfort The smart room thermostat functionality can decrease or increase the desired leaving water temperature based on the actual room temperature modulation Efficiency Depend...

Page 35: ...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 36: ... below 55 C to avoid using the backup heater The higher the outdoor 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 it cannot heat up a ...

Page 37: ...the domestic hot water pump 4109 For more information about connecting the recirculation connection see 8 6 4 To connect the recirculation piping 491 Configuration For more information see 10 Configuration 4122 You can program a schedule to control the DHW pump via the user interface For more information see the user reference guide 6 3 5 DHW pump for disinfection Setup a b c d e a Cold water IN b...

Page 38: ...uration 4122 6 4 Setting up the energy metering Via the user interface you can read out the following energy 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...

Page 39: ...med 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 the electrical power consumption make sure ALL power input of the system is covered by the electrical power meters 6 4 3 Normal kWh rate power supply Gener...

Page 40: ... 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 power meters Connection and setup Connect the second power meter to X5M 3 and X5M 4 See 9 3 4 To connect the electricity meters 4108 In the software the power consumption data of both meters is added so you do NOT have to set wh...

Page 41: ...l kWh rate power supply c Power meter L1 N d Power meter L1 L2 L3 N e Fuse L1 N f Fuse L1 L2 L3 N g Outdoor unit L1 N h Indoor unit L1 N i Backup heater L1 L2 L3 N S1S Preferential kWh rate power supply contact 6 5 Setting up the power consumption control You can use the following power consumption controls For more information about the corresponding settings see Power consumption control 4196 Po...

Page 42: ...the heat pump will reduce performance NOTICE Set a minimum power consumption of 3 6 kW to guarantee Defrost operation Otherwise if defrosting is interrupted several times the heat exchanger will freeze up Space heating and DHW production by allowing the backup heater step 1 Anti legionella operation 6 5 1 Permanent power limitation Permanent power limitation is useful to assure a maximum power or ...

Page 43: ...r 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 management system a Power limitation activation 4 digital inputs b Backup heater Pi t DI4 DI3 DI1 a b Pi Power input t Time DI Digital inputs power limitation levels a Power limitation active b Actual power input Setup De...

Page 44: ...ted and turned OFF first The system limits power consumption in the following order 1 Turns OFF the backup heater 2 Limits the outdoor unit 3 Turns OFF the outdoor unit Example If the configuration is as follows Power limitation level does NOT allow operation of backup heater step 1 Then power consumption is limited as follows Ph Ce a b c A B Ph Produced heat Ce Consumed energy A Outdoor unit B Ba...

Page 45: ...ernal temperature sensor You can connect one external temperature sensor It measures the indoor or outdoor ambient temperature We recommend to use an external temperature sensor in the following cases Indoor ambient temperature In room thermostat control the dedicated Human Comfort Interface BRC1HHDA used as room thermostat measures the indoor ambient temperature Therefore the Human Comfort Interf...

Page 46: ...he remote outdoor sensor and the addendum book for optional equipment Configuration Select outdoor sensor 9 B When the power saving functionality of the outdoor unit is active the outdoor unit is turned down to reduce standby energy losses As a result the outdoor ambient temperature is NOT read out If the desired leaving water temperature is weather dependent the full time outdoor temperature meas...

Page 47: ...2 Precautions when mounting the outdoor unit 61 7 3 3 To provide the installation structure 61 7 3 4 To install the outdoor unit 64 7 3 5 To provide drainage 65 7 3 6 To prevent the outdoor unit from falling over 67 7 4 Mounting the indoor unit 68 7 4 1 About mounting the indoor unit 68 7 4 2 Precautions when mounting the indoor unit 68 7 4 3 To install the indoor unit 68 7 4 4 To connect the drai...

Page 48: ...b Air inlet INFORMATION In sound sensitive areas e g near a bedroom you can install the low sound cover EKLN08A1 to decrease the operation noise of the outdoor unit If you install it mind the following spacing guidelines 100 350 mm 100 a a a Low sound cover NOTICE Do NOT stack the units on each other Do NOT hang the unit on a ceiling Strong winds 18 km h blowing against the outdoor unit s air outl...

Page 49: ... sound reflections 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 It is NOT recommended to install the unit in the following places because it may shorten the life of the unit Where the voltage fluctuates a lot In vehicles or vessels Where acidic or alkaline vapour is present Seaside installation...

Page 50: ... outdoor unit in cold climates In areas with low ambient temperatures and high humidity or in areas with heavy snowfall remove the suction grille to ensure proper operation Non exhaustive list of areas Austria Czech Republic Denmark Estonia Finland Germany Hungary Latvia Lithuania Norway Poland Romania Serbia Slovakia Sweden 1 Remove the screws holding the suction grille 2 Remove the suction grill...

Page 51: ...ver 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 Space cooling operation 5 35 C Domestic hot water production 5 35 C Mind the following meas...

Page 52: ...stall 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 temperature around the...

Page 53: ...ntenance and repair comply with instructions from Daikin and with applicable legislation and are executed ONLY by authorised persons NOTICE Pipework shall be protected from physical damage Installation of pipework shall be kept to a minimum 7 1 5 Installation patterns Depending on the total refrigerant charge in the system and the type of room in which you install the indoor unit different install...

Page 54: ...51 PATTERN 2 and 3 For PATTERN 2 and 3 additionally to the spacing guidelines described in 7 1 3 Installation site requirements of the indoor unit 451 you also need to comply with the minimum floor area requirements as described in the following flow chart The flow chart uses the following tables 16 5 Table 1 Maximum refrigerant charge allowed in a room indoor unit 4254 16 6 Table 2 Minimum floor ...

Page 55: ... total minimum floor area Amin total m2 required for the total refrigerant charge mc Amin total Aroom A Aroom B Yes Input from installer Area of adjacent room B Aroom B m2 Unit can be installed in room A if you provide 2 openings one at the bottom one at the top between room A and B to ensure natural ventilation The openings must comply with the following conditions Bottom opening Anv Must be a pe...

Page 56: ...the floor of the unoccupied room Must be Anv min minimum bottom opening area as specified in the table below 50 of the required opening area Anv min must be 200 mm from the floor of the unoccupied room The bottom of the opening must be 100 mm from the floor of the unoccupied room If the opening starts from the floor the height of the opening must be 20 mm a2 Top opening for natural ventilation bet...

Page 57: ...g the units 7 2 1 About opening the units At certain times you have to open the unit Example When connecting the refrigerant piping When connecting the electrical wiring When maintaining or servicing the unit DANGER RISK OF ELECTROCUTION Do NOT leave the unit unattended when the service cover is removed 7 2 2 To open the outdoor unit DANGER RISK OF ELECTROCUTION DANGER RISK OF BURNING SCALDING See...

Page 58: ...e that the tightening torque does NOT exceed 4 1 N m 7 2 4 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 7 T25 2 Remove the user interface panel Open the hinges at the top and slide the top panel upwards NOTICE If you remove the user interface panel also disconnect the cable...

Page 59: ... box cover 4 T25 4 If necessary remove the front plate This is for example necessary in the following cases 7 2 5 To lower the switch box on the indoor unit 460 7 4 4 To connect the drain hose to the drain 469 When you need access to the high voltage switch box 2 T25 5 If you need access to the high voltage components remove the high voltage switch box cover ...

Page 60: ...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 61: ...lation structure 2 Installing the outdoor unit 3 Providing drainage 4 Preventing the unit from falling over 5 Protecting the unit against snow and wind by installing a snow cover and baffle plates See 7 1 Preparing the installation site 447 7 3 2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions ...

Page 62: ...th the low sound cover EKLN08A1 different installation instructions apply for the U beams See the installation manual of the low sound cover a b c a Low sound cover b Bottom parts of the low sound cover c U beams Option 1 On mounting feet flexi foot with strut mm 0 mm 1 5 0 a 300 300 6 0 0 100 a Maximum snowfall height Option 2 On plastic mounting feet In this case you can use the bolts nuts washe...

Page 63: ... 3 On a pedestal with the EKFT008D option kit The EKFT008D option kit is recommended in areas with heavy snowfall 300 6 0 0 1 5 0 1 5 0 mm 300 100 a b 0 mm a Maximum snowfall height b EKFT008D option kit Option 4 On brackets to the wall with the EKFT008D option kit The EKFT008D option kit is recommended in areas with heavy snowfall ...

Page 64: ...50 mm a b c 4 a Maximum snowfall height b EKFT008D option kit c Anti vibration rubber field supply 7 3 4 To install the outdoor unit CAUTION Do NOT remove the protective cardboard before the unit is installed properly 1 Lift the outdoor unit as described in 4 2 2 To handle the outdoor unit 423 2 Install the outdoor unit as follows ...

Page 65: ...cardboard b Instruction sheet 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 Prepare a water drainage channel around the foundation to drain waste water away from the unit Avoid drain water flowing over the footpath so that it does NOT become slippery in c...

Page 66: ...the installation manual of the drain pan In short the drain pan must be installed level with a tolerance of 1 at all sides and as follows b a c a Drain pan b U beams c Drain hole insulation 355 mm 6 0 0 m m Drain pan heater You can use the drain pan heater option EKDPH008CA to prevent freezing up of the drain pan For the installation instructions see the installation manual of the drain pan heater...

Page 67: ...d cover a b d c c b a Low sound cover b Bottom parts of the low sound cover c Drain pan kit d Drain pan heater 7 3 6 To prevent the outdoor unit from falling over In case the unit is installed in places where strong wind can tilt the unit take following measure 1 Prepare 2 cables as indicated in the following illustration field supply 2 Place the 2 cables over the outdoor unit 3 Insert a rubber sh...

Page 68: ...he drain 7 4 2 Precautions when 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 447 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 3 3 To handle the indoor unit 425 2 Connect the drain hose to the drain See 7 4 ...

Page 69: ... 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 through the drain tube It is recommended to u...

Page 70: ... 4 To perform vacuum drying 79 8 3 5 To insulate the refrigerant piping 80 8 4 Charging refrigerant 80 8 4 1 About charging refrigerant 80 8 4 2 Precautions when charging refrigerant 81 8 4 3 To determine the additional refrigerant amount 81 8 4 4 To determine the complete recharge amount 82 8 4 5 To charge additional refrigerant 82 8 4 6 To fix the fluorinated greenhouse gases label 82 8 5 Prepar...

Page 71: ...legislation and the maximum working pressure of the unit see PS High on the unit name plate larger piping thickness might be required 8 1 2 Refrigerant piping insulation Use polyethylene foam as insulation material with a heat transfer rate between 0 041 and 0 052 W mK 0 035 and 0 045 kcal mh C with a heat resistance of at least 120 C Insulation thickness Pipe outer diameter Øp Insulation inner di...

Page 72: ...e its lifetime The drying material may dissolve and damage the system NOTICE Take the following precautions on refrigerant piping into account Avoid anything but the designated refrigerant to get mixed into the refrigerant cycle e g air Only use R32 when adding refrigerant Only use installation tools e g manifold gauge set that are exclusively used for R32 installations to withstand the pressure a...

Page 73: ...ner and torque wrench together to tighten the flare nut when connecting the piping This to prevent nut cracking and leaks a b c d a Torque wrench b Spanner c Piping union d Flare nut Piping size mm Tightening torque N m Flare dimensions A mm Flare shape mm Ø6 4 15 17 8 7 9 1 R 0 4 0 8 2 45 90 2 ØA Ø15 9 62 75 19 3 19 7 8 2 4 Pipe bending guidelines Use a pipe bender for bending All pipe bends shou...

Page 74: ...d in a perfect circle c Make sure the flare nut is fitted 8 2 6 To braze the pipe end The indoor unit and outdoor unit have flare connections Connect both ends without brazing If brazing should be needed take the following into account When brazing blow through with nitrogen to prevent creation of large quantities of oxidised film on the inside of the piping This film adversely affects valves and ...

Page 75: ...ows the stop valve parts required when handling the valve c d a b a Service port and service port cap b Valve stem c Field piping connection d Stem cap Keep both stop valves open during operation Do NOT apply excessive force to the valve stem Doing so may break the valve body ALWAYS make sure to secure the stop valve with a spanner then loosen or tighten the flare nut with a torque wrench Do NOT p...

Page 76: ... leaks Item Tightening torque N m Stem cap liquid side 13 5 16 5 Stem cap gas side 22 5 27 5 To handle the service cap ALWAYS use a charge hose equipped with a valve depressor pin since the service port is a Schrader type valve After handling the service port tighten the service port cap and check for refrigerant leaks Item Tightening torque N m Service port cap 11 5 13 9 8 2 8 To connect the refr...

Page 77: ...quid connection b Refrigerant gas connection 2 Connect the gas stop valve from the outdoor unit to the refrigerant gas connection of the indoor unit NOTICE It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape INFORMATION When the indoor unit is installed in a place with limited space an opti...

Page 78: ...refrigerant piping 470 NOTICE Use a 2 stage vacuum pump with a non return valve that can evacuate to a gauge pressure of 100 7 kPa 1 007 bar 5 Torr absolute Make sure the pump oil does not flow oppositely into the system while the pump is not working NOTICE Use this vacuum pump for R32 exclusively Using the same pump for other refrigerants may damage the pump and the unit NOTICE Connect the vacuum...

Page 79: ...rt h Valve lids i Gas stop valve j Liquid stop valve 1 Vacuum the system until the pressure on the manifold indicates 0 1 MPa 1 bar 2 Leave as is for 4 5 minutes and check the pressure If the pressure Then Does not change There is no moisture in the system This procedure is finished Increases There is moisture in the system Go to the next step 3 Vacuum the system for at least 2 hours to a manifold...

Page 80: ...lene foam which can withstand a temperature of 120 C for gas piping Reinforce the insulation on the refrigerant piping according to the installation environment NOTICE It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape 1 Insulate and fix the refrigerant piping and cables as follows g b a f...

Page 81: ...overed from the system 2 The outdoor unit s external refrigerant piping is checked leak test vacuum drying 3 Vacuum drying on the outdoor unit s internal refrigerant piping is performed NOTICE Before completely recharging perform vacuum drying on the outdoor unit s internal refrigerant piping as well Typical workflow Completely recharging refrigerant typically consists of the following stages 1 De...

Page 82: ...value is 675 Do NOT vent these gases into the atmosphere When charging refrigerant ALWAYS use protective gloves and safety glasses NOTICE To avoid compressor breakdown do NOT charge more than the specified amount of refrigerant Prerequisite Before charging refrigerant make sure the refrigerant piping is connected and checked leak test and vacuum drying 1 Connect the refrigerant cylinder to the ser...

Page 83: ...se of plastic pipes make sure they are fully oxygen diffusion tight according to DIN 4726 The diffusion of oxygen into the piping can lead to excessive corrosion Connecting piping Legislation Make all piping connections in accordance with the applicable legislation and the instructions in the Installation chapter respecting the water inlet and outlet Connecting piping Force Do NOT use excessive fo...

Page 84: ...door unit will stop operation and display error 7H Minimum required flow rate 12 l min Field supply components Water Only use materials that are compatible with water used in the system and with the materials used in the indoor unit Field supply components Water pressure and temperature Check that all components in the field piping can withstand the water pressure and water temperature Water press...

Page 85: ...g insulate the brass and non brass properly so that they do NOT make contact with each other This to prevent galvanic corrosion Valve Change over time When using a 2 way valve or a 3 way valve in the water circuit the maximum change over time of the valve must be 60 seconds Domestic hot water tank Capacity To avoid stagnation of water it is important that the storage capacity of the domestic hot w...

Page 86: ...tes properly You MUST check the minimum and maximum water volume You might need to adjust the pre pressure of the expansion vessel Minimum water volume There are no requirements for the minimum water volume INFORMATION In critical processes or in rooms with a high heat load extra water might be required NOTICE When circulation in each space heating cooling loop is controlled by remotely controlled...

Page 87: ...ar b Maximum water volume l Example Maximum water volume and expansion vessel pre pressure Installation height difference a Water volume 200 l 200 l 7 m No pre pressure adjustment is required Do the following Decrease the pre pressure according to the required installation height difference The pre pressure should decrease by 0 1 bar for each metre below 7 m Check if the water volume does NOT exce...

Page 88: ...ortant that the minimum flow rate is guaranteed even if all valves are closed In case the minimum flow rate cannot be reached a flow error 7H will be generated no heating or operation See the recommended procedure as described in 11 4 Checklist during commissioning 4213 8 5 4 Changing the pre pressure of the expansion vessel NOTICE ONLY a licensed installer may adjust the pre pressure of the expan...

Page 89: ...Connecting water piping 8 6 1 About connecting the water piping Before connecting the water piping Make sure the outdoor and indoor unit are mounted Typical workflow Connecting the water piping typically consists of the following stages 1 Connecting the water piping to the indoor unit 2 Connecting the recirculation piping 3 Connecting the drain hose to the drain 4 Filling the water circuit 5 Filli...

Page 90: ...y e Space heating main zone water out f Space heating main zone water in NOTICE It is recommended to install shut off valves to domestic cold water in and domestic hot water out connections These shut off valves are field supplied NOTICE To avoid damage to the surroundings in case of water leakage it is recommended to close the domestic cold water inlet shut off valves during periods of absence NO...

Page 91: ...n accordance with the applicable legislation An expansion vessel should be installed on the cold water inlet in accordance with the applicable legislation It is recommended to install the pressure relief valve on a higher position than the top of the domestic hot water tank Heating of the domestic hot water tank causes water to expand and without pressure relief valve the water pressure inside the...

Page 92: ...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 5 Manually operate the field installed pressure relief valve to ensure a free water flow through the discharge pipe 8 6 7 To insulate the water piping The piping in the complete water circuit MUST be insulated to prevent condensation dur...

Page 93: ...9 3 Connections to the indoor unit 99 9 3 1 To connect the main power supply 102 9 3 2 To connect the backup heater power supply 104 9 3 3 To connect the shut off valve 107 9 3 4 To connect the electricity meters 108 9 3 5 To connect the domestic hot water pump 109 9 3 6 To connect the alarm output 110 9 3 7 To connect the space cooling heating ON OFF output 111 9 3 8 To connect the changeover to ...

Page 94: ...h Incomplete earthing may cause electrical shock Install the required fuses or circuit breakers Secure the electrical wiring with cable ties so that the cables do NOT come in contact with sharp edges or piping particularly on the high pressure side Do NOT use taped wires stranded conductor wires extension cords or connections from a star system They can cause overheating electrical shock or fire D...

Page 95: ...ire 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 M4 X1M 1 2 1 5 M4 earth Indoor unit Item Tightening torque N m X1M 2 45 10 X2M 0 88 10 X5M 0 88 10 X6M 2 ...

Page 96: ...of the indoor unit See 9 3 2 To connect the backup heater power supply 4104 9 1 5 About preferential kWh rate power supply Electricity companies throughout the world work hard to provide reliable electric service at competitive prices and are often authorised to bill clients at benefit rates E g time of use rates seasonal rates Wärmepumpentarif in Germany and Austria This equipment allows for conn...

Page 97: ...al 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 kWh ...

Page 98: ... 1 1 2 3 Strip insulation 20 mm from the wires a b a Strip wire end to this point b An excessive strip length may cause electrical shock or leakage 4 Connect the interconnection cable and power supply as follows Ensure stress relief by using the wire clamp a c d 1N 50 Hz 220 240 V b a Interconnection cable b Power supply cable c Fuse d Earth leakage circuit breaker ...

Page 99: ... Power supply main See 9 3 1 To connect the main power supply 4102 Power supply backup heater See 9 3 2 To connect the backup heater power supply 4104 Shut off valve See 9 3 3 To connect the shut off valve 4107 Electricity meters See 9 3 4 To connect the electricity meters 4108 Domestic hot water pump See 9 3 5 To connect the domestic hot water pump 4109 Alarm output See 9 3 6 To connect the alarm...

Page 100: ...low table Wires 0 75 mm Maximum running current 100 mA For the main zone 2 9 Control 2 A Thermostat type For the additional zone 3 A Thermostat type 3 9 read only Control Heat pump convector There are different controllers and setups possible for the heat pump convectors Depending on the setup you also need to implement a relay field supply see addendum book for optional equipment For more informa...

Page 101: ...nsor Room 1 7 Room sensor offset Human Comfort Interface See Installation and operation manual of the Human Comfort Interface Addendum book for optional equipment Wires 2 0 75 1 25 mm Maximum length 500 m 2 9 Control 1 6 Room sensor offset WLAN module See Installation manual of the WLAN module Addendum book for optional equipment Use the cable delivered with the WLAN module D Wireless gateway for ...

Page 102: ...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 4 To open the indoor unit 458 1 Top panel 1 2 3 2 User interface panel 3 Up...

Page 103: ...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 104: ...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 9W 3N 400 V 4 GND 9 3 Backup heater WARNING The backup heater MUST have a ...

Page 105: ...75 A per phase c This equipment complies with EN IEC 61000 3 11 European International Technical Standard setting the limits 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 ...

Page 106: ...6M BRN GRY BLU1 BLU2 6V 6T1 3 230 V SWB 3 50 Hz 230 V AC 4 3 6 5 2 1 K5M 14 13 1 2 3 4 5 6 7 8 F1B I I I I Q1DI L1 L2 L3 X6M BRN GRY BLU1 BLU2 9W 3N 400 V 3N 50 Hz 400 V AC SWB Q1DI L1 L2 L3 N 1 2 3 4 5 6 7 8 F1B I I I I X6M 2 1 K5M 4 3 6 5 14 13 BRN GRY BLK BLU F1B Overcurrent fuse field supply Recommended fuse 4 pole 20 A curve 400 V tripping class C K5M Safety contactor in the lower switch box ...

Page 107: ...ondensation on the floor during cooling operation In this case the main zone cooling setpoint will not be adjustable The cooling setpoint for the heat pump convectors can be adjusted via the additional zone setpoint screen Wires 2 0 75 mm Maximum running current 100 mA 230 V AC supplied by PCB 2 D Shut off valve 1 Open the following see 7 2 4 To open the indoor unit 458 1 Top panel 1 2 3 2 User in...

Page 108: ...ers 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 4 To open the indoor unit 458 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the ele...

Page 109: ...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 4 To open the indoor unit 458 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 illustration below A...

Page 110: ...utput 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 4 To open the indoor unit 458 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 Installation o...

Page 111: ...cable with cable ties to the 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 4 To open the indoor unit 458 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...

Page 112: ...and Q1L thermal protector backup heater Do NOT change 3 Fix the cable with cable ties to the cable tie mountings 9 3 8 To connect the changeover to external heat source 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 4 To open the indoor unit 458 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the changeove...

Page 113: ...th cable ties to the cable tie 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 4 To open the indoor unit 458 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connect the power consumption digit...

Page 114: ...o install the mounting plate 4120 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 1 Open the following see 7 2 4 To open the indoor unit 458 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover Main zone Wires 2 0 75 mm 2 Connect the safety thermostat normally closed cable to the appropriate termina...

Page 115: ...safety thermostat is typically a thermostatically controlled valve with a normally closed contact When the water temperature in the main zone is too high the contact will open and the user interface will show a 8H 02 error ONLY the main pump will stop Additional zone Wires 2 0 75 mm Maximum length 50 m Safety thermostat contact 16 V DC detection voltage supplied by PCB The voltage free contact sha...

Page 116: ...The safety thermostat 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...

Page 117: ... 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 re...

Page 118: ...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 119: ...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 120: ...M 1 2 3 4 X10M 4 Fix the 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 To install the mounting plate Before you can install the demand PCB or digital I O PC...

Page 121: ...ting plate screw delivered as accessory b For demand PCB A8P EKRP1AHTA c For digital I O PCB A4P EKRP1HBAA 9 5 After connecting the electrical wiring to the indoor unit To prevent water ingress to the switch box seal the low voltage wiring intake using the sealing tape delivered as accessory Without low voltage cables With low voltage cables ...

Page 122: ... prices 140 10 5 Weather dependent curve 142 10 5 1 What is a weather dependent curve 142 10 5 2 2 points curve 143 10 5 3 Slope offset curve 144 10 5 4 Using weather dependent curves 145 10 6 Settings menu 147 10 6 1 Malfunctioning 147 10 6 2 Room 148 10 6 3 Main zone 152 10 6 4 Additional zone 161 10 6 5 Space heating cooling 164 10 6 6 Tank 172 10 6 7 User settings 180 10 6 8 Information 184 10...

Page 123: ...ing settings Legend for tables You can access the installer settings using two different methods 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 scr...

Page 124: ...iew setting Example Modify 1 01 from 15 to 20 Most settings can 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 4123 2 Go to 9 I Installer settings Overview field settings 3 Turn the left dia...

Page 125: ...st to restart the system When confirmed the system will restart and recent changes will be applied 10 1 2 To connect the PC cable to the switch box This connection between PC and hydro PCB is needed when updating the hydro software 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 bo...

Page 126: ...ttings in the configuration here All the settings can also be adjusted in the settings menu use the breadcrumbs For the setting Refer to Language 7 1 Time date 7 2 Hours Minutes Year Month Day System Indoor unit type read only 10 6 9 Installer settings 4185 Backup heater type 9 3 1 Domestic hot water 9 2 1 Emergency 9 5 1 Number of zones 4 4 10 6 5 Space heating cooling 4164 Backup heater Voltage ...

Page 127: ...4 Heating WD curve 3 5 if applicable Schedule 3 1 Tank Heat up mode 5 6 10 6 6 Tank 4172 Comfort setpoint 5 2 Eco setpoint 5 3 Reheat setpoint 5 4 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 screen c Lower level screens c1 Setpoint screen c2 Detailed screen with values c3 Screen with weather dependent ...

Page 128: ... 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 system operates in Emergency mode or heat pump is forced off d Current date and time e Smart energy e1 Smart en...

Page 129: ...om thermostat installed or set Unit operation is decided based on the leaving water temperature regardless of the actual room temperature and or heating demand of the room i2 Installed heat emitter type Underfloor heating Fancoil unit Radiator i3 21 Measured room temperature a i4 35 Leaving water temperature setpoint a j Holiday mode Holiday mode active k Additional zone k1 Installed room thermost...

Page 130: ...er the submenu Enable disable breadcrumbs Submenu Description 0 or Malfunctioning Restriction Only displayed if a malfunction occurs See 14 4 1 To display the help text in case of a malfunction 4236 for more information 1 Room Restriction Only displayed if a dedicated Human Comfort Interface BRC1HHDA used as room thermostat is controlling the indoor unit Set the room temperature 2 Main zone Shows ...

Page 131: ...ler Perform tests and maintenance B User profile Change the active user profile C Operation Turn heating cooling functionality and domestic hot water preparation on or off D Wireless gateway Restriction Only displayed if a wireless LAN WLAN is installed Contains settings needed when configuring the Daikin Residential Controller app 10 3 4 Menu screen Example 7 1 Language Time date Holiday Possible...

Page 132: ...ion Minimum temperature limit a1 Fixed by the unit a2 Restricted by the installer Maximum temperature limit b1 Fixed by the unit b2 Restricted by the installer Current temperature c Measured by the unit Desired temperature d Turn the right dial to increase decrease Submenu e Turn or press the left dial to go to the submenu 10 3 6 Detailed screen with values Example a b c a b c 7 2 1 Time date Hour...

Page 133: ... the DHW tank mode is Schedule reheat Electricity prices under 7 5 User settings Electricity price Restriction Only applicable if Bivalent is enabled by the installer 7 5 1 High You can use these preset values in 7 5 4 Schedule weekly schedule screen for the energy prices See 10 4 4 Setting the energy prices 4140 7 5 2 Medium 7 5 3 Low Additional to the user defined preset values the system also c...

Page 134: ...edule 2 Select the name of the current schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 3 Select Select Delete Rename Select 4 Select the schedule that you currently want to use Possible schedules The table contains the following information Schedule Control This column shows you where you can consult the currently selected schedule for the specific control If needed you can Select another sche...

Page 135: ...dditional zone in heating mode Predefined schedules 1 Activation screen 3 1 Schedule Possible actions Off When the system is NOT allowed to heat up the additional zone On When the system is allowed to heat up the additional zone 5 5 Tank Schedule Schedule for the domestic hot water tank temperature for your normal domestic hot water needs Predefined schedules 1 Activation screen Not applicable Thi...

Page 136: ...defined preset values High Medium Low See 10 4 4 Setting the energy prices 4140 10 4 3 Schedule screen Example This example shows how to set a room temperature schedule in heating mode for the main zone INFORMATION 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 Prer...

Page 137: ...chedule 1 Select the name of the current schedule Mon 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 Mond...

Page 138: ...2 24 Mon Note To 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 Selec...

Page 139: ... 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 S...

Page 140: ...15 characters 5 Confirm the new name INFORMATION Not all schedules can be renamed Usage example You work in a 3 shift system If you work in a 3 shift system you can do the following 1 Program 3 room temperature schedules and give them appropriate names Example EarlyShift DayShift and LateShift 2 Select the schedule that you currently want to use 10 4 4 Setting the energy prices In the system you c...

Page 141: ...ur electricity supplier 3 Confirm the changes INFORMATION The values correspond with the electricity price values for High Medium and Low previously set If no schedule is set the electricity price for High is taken into account About energy prices in case of an incentive per kWh renewable energy An incentive can be taken into account when setting the energy prices Although the running cost can inc...

Page 142: ... unit operates weather dependent 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...

Page 143: ...See 10 5 4 Using weather dependent curves 4145 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 5 4 Using weather dependent curves 4145 10 5 2 2 points...

Page 144: ...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 145: ... 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 146: ...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 147: ... 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 5 2 2 points curve 4143 10 6 Settings menu You can set additional settings using the ...

Page 148: ...emperature 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 Applicable for all models Define a heating schedule of the room temperature in 1 2 Heating schedule See 10 4 3 Schedule screen Example 4136 Antifrost 1 4 Ant...

Page 149: ...matically start the Antifrost function via the backup heater If the backup heater is not allowed for room frost protection during a U4 error the room Antifrost setting MUST be disabled NOTICE Room frost protection Even if you turn OFF space heating cooling operation C 2 Operation Space heating cooling room frost protection operation if enabled can still activate However for leaving water temperatu...

Page 150: ...g cooling is ON and the external room thermostat is Thermo ON Room frost protection is guaranteed by the normal logic In case of two leaving water temperature zones If Then Space heating cooling is OFF and the outdoor ambient temperature drops below 4 C The unit will supply leaving water to the heat emitters to heat up the room again and the leaving water temperature setpoint will be lowered Space...

Page 151: ...oom temperatures are also adjusted to guarantee they are between the limits Code Description 1 5 1 3 07 Heating minimum 1 5 2 3 06 Heating maximum Room sensor offset Only applicable in room thermostat control To calibrate the external room temperature sensor give an offset to the value of the room thermistor as measured by the user interface used as room thermostat or by the external room sensor T...

Page 152: ...n zone Additional zone Room Malfunctioning Space heating cooling 2 Main zone Setpoint screen 2 1 Schedule 2 2 Heating schedule 2 3 Cooling schedule 2 4 Setpoint mode 2 5 Heating WD curve 2 6 Cooling WD curve 2 7 Emitter type 2 8 Setpoint range 2 9 Control 2 A Thermostat type 2 B Delta T 2 C Modulation 2 D Shut off valve 2 E WD curve type Setpoint screen Control the leaving water temperature for th...

Page 153: ...oling mode the desired leaving water temperature depends on the outdoor ambient temperature 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 ac...

Page 154: ... be higher than 1 03 as for low outdoor temperatures warmer water is required 1 03 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 01 C min 45 9 00 C Note This value should be lower than 1 02 as for high outdoor temperatures less warm water is required Emitter type Heating up the main zone can take longer This depends on The water...

Page 155: ...e to the heat emitters If there are 2 zones it is important that 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 T...

Page 156: ...ures are also adjusted to guarantee they are between the limits Always balance between the desired leaving water temperature with the desired room temperature and or the capacity according to the design and 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...

Page 157: ... 07 0 Leaving water 1 External room thermostat 2 Room thermostat Thermostat type Only applicable in external room thermostat control Following combinations are possible to control the unit not applicable when C 07 0 C 07 2 Room thermostat a b c a User interface at indoor unit b Dedicated Human Comfort Interface BRC1HHDA used as room thermostat at main zone c External room thermostat at additional ...

Page 158: ...mitter type for the main zone In heating mode delta T indicates the temperature difference between the leaving water setpoint and entering water The unit is designed to support underfloor loops operation The recommended leaving water temperature for underfloor loops is 35 C In such case the unit will realize a temperature difference of 5 C which means that the entering water temperature is around ...

Page 159: ...eated Additionally also the desired leaving water temperature must be configured if Modulation is enabled the unit automatically calculates the desired leaving water temperature These calculations are based on the preset temperatures or the desired weather dependent temperatures if weather dependent is enabled Moreover with Modulation enabled the desired leaving water temperature is lowered or rai...

Page 160: ...rature zone connect the shut off valve to the heating cooling output The shut off valve for the main leaving water temperature zone can close under these circumstances INFORMATION During defrost operation the shut off valve is ALWAYS opened During thermo If F 0B is enabled the shut off valve closes when there is no heating demand from the main zone Enable this setting to avoid leaving water supply...

Page 161: ... 3 8 Setpoint range 3 9 Control 3 A Thermostat type 3 B Delta T 3 C WD curve type Setpoint screen Control the leaving water temperature for the additional zone via setpoint screen 3 Additional zone See 10 3 5 Setpoint screen 4131 Schedule Indicates if the desired leaving water temperature is according to a schedule See 10 6 3 Main zone 4152 Code Description 3 1 N A Schedule No Yes Heating schedule...

Page 162: ...the 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 ou...

Page 163: ...int range see 10 6 3 Main zone 4152 Code Description Leaving water temperature range for the additional leaving water temperature zone the leaving water temperature zone with the highest leaving water temperature in heating 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 65 C Else 37 C 55 C Control The control type for the...

Page 164: ...e is required for the good operation of heat emitters in heating mode If 2 0D 2 this is fixed to 10 C Else 3 C 10 C WD curve type There are 2 methods to define the weather dependent curves 2 points see 10 5 2 2 points curve 4143 Slope Offset see 10 5 3 Slope offset curve 4144 In 2 E WD curve type you can choose which method you want to use In 3 C WD curve type the chosen method is shown read only ...

Page 165: ...is 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 ...

Page 166: ...r 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 determin...

Page 167: ... to up to 2 water temperature zones During configuration the number of water zones must be set Code Description 4 4 7 02 0 Single zone Only one leaving water temperature zone a b a Bypass b Main LWT zone 4 4 7 02 1 Dual zone Two leaving water temperature zones a b a Additional LWT zone Highest temperature b Main LWT zone Lowest temperature NOTICE NOT configuring the system in the following way can...

Page 168: ...ays OFF When space heating operation is ON you have the choice between these operation modes Code Description 4 5 F 0D Pump operation mode 0 Continuous Continuous pump operation regardless of thermo ON or OFF condition Remark Continuous pump operation requires more energy than sample or request pump operation a b c d b c a Space heating control b Off c On d Pump operation 4 5 F 0D 1 Sample The pum...

Page 169: ...n be read out which type of unit is used Code Description 4 6 E 02 Unit type 0 Reversible 1 Heating only Pump limitation The pump speed limitation for the main zone 9 0E and additional zone 9 0D defines the maximum pump speed In normal conditions the default setting should NOT be modified The pump speed limitation will be overruled when the flow rate is in the range of the minimum flow error 7H In...

Page 170: ...applicable When there is heating output the pump speed is only determined by delta T in relation to the required capacity With this limitation range delta T is possible and the comfort is guaranteed During sampling operation the pump runs for a short time to measure the water temperatures which indicate if operation is required or not 5 90 pump speed during sampling 6 80 pump speed during sampling...

Page 171: ...n 4 02 1 Possible at all outdoor temperatures Increase around 0 C Use this setting to compensate for possible heat losses of the building due to the evaporation of melted ice or snow e g in cold region countries In heating operation the desired leaving water temperature is locally increased around an outdoor temperature of 0 C This compensation can be selected when using an absolute or a weather d...

Page 172: ...ater temperature may drop below the desired leaving water temperature before the compressor stops The compressor will start up again when the leaving water temperature rises above the desired leaving water temperature Code Description N A 9 09 Undershoot 1 C 18 C Antifrost Antifrost 1 4 or 4 C prevents the room from getting too cold For more information about room frost protection see 10 6 2 Room ...

Page 173: ...et value Storage comfort INFORMATION When powerful operation is active the risk of space heating and capacity shortage comfort problems is significant In case of frequent domestic hot water operation frequent and long space heating interruptions will happen Comfort setpoint Only applicable when domestic hot water preparation is Schedule only or Schedule reheat When programming the schedule you can...

Page 174: ...n see 10 4 3 Schedule screen Example 4136 Heat up mode The domestic hot water can be prepared in 3 different ways They differ from each other by the way the desired tank temperature is set and how the unit acts upon it Code Description 5 6 6 0D Heat up mode 0 Reheat only Only reheat operation is allowed 1 Schedule reheat The domestic hot water tank is heated according to a schedule and between the...

Page 175: ...setting 2 03 after a disinfection operation When the high domestic hot water temperature can be a potential risk for human injuries a mixing valve field supply shall be installed at the hot water outlet connection of the domestic hot water tank This mixing valve shall secure that the hot water temperature at the hot water tap never rise above a set maximum value This maximum allowable hot water te...

Page 176: ... You can use this setting to limit the temperatures at the hot water taps INFORMATION During disinfection of the domestic hot water tank the DHW temperature can exceed this maximum temperature INFORMATION Limit the maximum hot water temperature according to the applicable legislation Code Description 5 8 6 0E Maximum The maximum temperature that users can select for the domestic hot water You can ...

Page 177: ...ll result in higher desired tank temperatures as the cold water tap is colder and vice versa In case of Schedule only or Schedule reheat domestic hot water preparation the storage comfort temperature is weather dependent according to the weather dependent curve the storage economic and reheat temperature are NOT weather dependent In case of Reheat only domestic hot water preparation the desired ta...

Page 178: ...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 0 0B desired tank temperature when the outdoor temperature equals or rises above the high ambient temperature 35 C 6 0E C Ma...

Page 179: ... 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 Domes...

Page 180: ... 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 181: ...u can use quiet mode to 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 If enabled by the installer the user can program a quiet mode schedule INFORMATION If the ou...

Page 182: ...Schedule For more information about scheduling see 10 4 3 Schedule screen Example 4136 Electricity prices and gas price Only applicable in combination with the bivalent function See also Bivalent 4200 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 O...

Page 183: ...bout energy prices in case of 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 pe...

Page 184: ...1 17 10 6 8 Information Overview The following items are listed 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 Cod...

Page 185: ... 3 Dealer information Contact helpdesk number 8 4 Sensors Room temperature outside temperature leaving water temperature 8 5 Actuators Status mode of each actuator Example Unit 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 thermo...

Page 186: ...ou 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 prepar...

Page 187: ...rmine 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 The capacities for the different steps of the backup ...

Page 188: ...ck if the other is still as expected 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 h...

Page 189: ...mfortable operation of the space heating cooling circuit If so allow the backup heater to assist during DHW operation by setting 4 00 1 or 2 INFORMATION Only for systems with integrated domestic hot water tank If backup heater operation during space heating needs to be limited but can be allowed for domestic hot water operation then set 4 00 to 2 Emergency Emergency When the heat pump fails to ope...

Page 190: ...onger periods Code Description 9 5 1 4 06 0 Manual 1 Automatic 2 auto SH reduced DHW on 3 auto SH reduced DHW off 4 auto SH normal DHW off INFORMATION The auto emergency setting can be set in the menu structure of the user interface only INFORMATION If a heat pump failure occurs and Emergency is set to Manual the room frost protection function the underfloor heating screed dryout function and the ...

Page 191: ... 6 2 5 03 Priority temperature Defines the outdoor temperature which below the backup heater will assist during domestic hot water heating 9 6 3 5 04 Offset BSH setpoint Setpoint correction for domestic hot water temperature setpoint correction for the desired domestic hot water temperature to be applied at low outdoor temperature when space heating priority is enabled The corrected higher setpoin...

Page 192: ...tops even when the target domestic hot water temperature is NOT reached The actual maximum running time also depends on setting 8 04 When Control Room thermostat This preset value is only taken into account if 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 pres...

Page 193: ...s NOT set to Smart grid Allow pump 0 No Pump is forced off 1 Yes No limitation 9 8 4 D 01 Connection to a Benefit kWh power supply or a Smart grid 0 No The outdoor unit is connected to a normal power supply 1 Open 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 open and the unit will go ...

Page 194: ...rt Grid operation modes 9 8 6 N A Restriction Only applicable if 9 8 4 Smart grid To set if electrical heaters are allowed Allow electrical heaters No Yes 9 8 7 N A Restriction Only applicable in case of room thermostat control and if 9 8 4 Smart grid To set if room buffering will be enabled Enable room buffering No The extra energy from the photovoltaic panels is only buffered in the DHW tank i e...

Page 195: ...ption and thus requiring the use of power from the grid Allowed heaters during preferential kWh rate power supply Do NOT use 1 or 3 Setting D 00 to 1 or 3 when D 01 is set to 1 or 2 will reset D 00 back to 0 as the system does not have a booster heater Only set D 00 to the values in the table below D 00 Backup heater Compressor 0 Forced OFF Forced OFF 2 Allowed Smart Grid operation modes The 2 inc...

Page 196: ...protective functions room frost protection tank disinfection and defrost are NOT overruled capacity will not be limited for these functions Also see Protective functions 4204 Forced on Similar to Recommended on but there is no capacity limitation The goal is NOT to use the grid as much as possible Emergency mode In case emergency mode is active buffering with electrical heater is NOT possible in F...

Page 197: ...e Description 9 9 9 5 09 Limit 1 0 kW 20 kW 9 9 A 5 0A Limit 2 0 kW 20 kW 9 9 B 5 0B Limit 3 0 kW 20 kW 9 9 C 5 0C Limit 4 0 kW 20 kW Priority heater This setting defines the priority of the electrical heaters depending on applicable limitation As no booster heater is present the backup heater will always be prioritised Code Description 9 9 D 4 01 Priority heater 0 None The backup heater is priori...

Page 198: ... metering If energy metering is performed by the use of external power meters configure the settings as described below Select the pulse frequency output of each power meter in accordance with the power meter specifications It is possible to connect up to 2 power meters with different pulse frequencies If only 1 or no power meter is used select None to indicate the corresponding pulse input is NOT...

Page 199: ...y meaning in room thermostat control Ext amb sensor offset ONLY applicable in case an external outdoor ambient sensor is connected and configured You can calibrate the external outdoor ambient temperature sensor It is possible to give an offset to the thermistor value This setting can be used to compensate for situations where the external outdoor ambient sensor cannot be installed on the ideal in...

Page 200: ...ent temperature is low During bivalent operation the heat pump is turned off Set this value in case an auxiliary boiler is used If Bivalent is enabled When the outdoor temperature drops below the bivalent ON temperature fixed or variable based on energy prices the space heating by the heat pump stops automatically and the permission signal for the auxiliary boiler is active If Bivalent is disabled...

Page 201: ...n when it is deactivated See illustration below for the schematic location of this contact YC Y1 Y2 Y3 Y4 X1 X2 X3 X4 OFF ON X2M SS1 X1M Code Description 9 C 3 C 03 Range 25 C 25 C step 1 C 9 C 4 C 04 Range 2 C 10 C step 1 C The higher the value of C 04 the higher the accuracy of the switch over between the heat pump system and the auxiliary boiler To determine the value of C 03 proceed as follows...

Page 202: ...w settings Set them in the menu structure instead 7 5 1 7 5 2 7 5 3 and 7 6 For more information on how to set the energy prices see the operation manual and the user reference guide INFORMATION Solar panels If solar panels are used set the electricity price value very low to promote the use of the heat pump Code Description 7 5 1 N A User settings Electricity price High 7 5 2 N A User settings El...

Page 203: ...ower supply failure the auto restart function reapplies the user interface settings at the time of the power failure Therefore it is recommended to always enable the function If the preferential kWh rate power supply is of the type that power supply is interrupted always enable the auto restart function Continuous indoor unit control can be guaranteed independent of the preferential kWh rate power...

Page 204: ...ns are disabled by default After 12 hours they will be automatically enabled Afterwards An installer can manually disable the protective functions by setting 9 G Disable protections Yes After his work is done he can enable the protective functions by setting 9 G Disable protections No Code Description 9 G N A Disable protections 0 No 1 Yes Forced defrost Forced defrost Manually start a defrost ope...

Page 205: ...ted to the connected storage device Back OK To export MMI settings 1 Open the user interface panel and insert a USB memory stick 2 1 1 2 On the user interface go to 9 N Export MMI settings 3 Select OK 4 Remove the USB memory stick and close the user interface panel 10 6 10 Commissioning Overview The following items are listed in the submenu A Commissioning User profile Installer settings Informati...

Page 206: ...nalities of the unit Code Description C 2 N A Space heating cooling 0 Off 1 On C 3 N A Tank 0 Off 1 On 10 6 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...

Page 207: ...r on the indoor unit on the inside of the front panel See Installation manual of the WLAN module Addendum book for optional equipment b Router Field supply c Smartphone app The Daikin Residential Controller app needs to be installed on the user s smartphone See http www onlinecontroller daikineurope com Configuration To configure the Daikin Residential Controller app follow the in app instructions...

Page 208: ...e software version of the WLAN and the software version of the Daikin Residential Controller 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...

Page 209: ...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 210: ...it kWh power supply 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 s...

Page 211: ... The 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 di...

Page 212: ...ght be the result NOTICE ALWAYS complete the refrigerant piping of the unit before operating If NOT the compressor will break 11 3 Checklist before commissioning 1 After the 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 o...

Page 213: ...e out The minimum water volume is guaranteed in all conditions See To check the water volume and flow rate in 8 5 Preparing water piping 483 The domestic hot water tank is filled completely 11 4 Checklist during commissioning The minimum flow rate during backup heater defrost operation is guaranteed in all conditions See To check the water volume and flow rate in 8 5 Preparing water piping 483 To ...

Page 214: ...he flow until the additional pump is not assisting anymore LED is OFF 6 Go to 8 4 A Information Sensors Flow rate 7 Read out the flow rate and modify the bypass valve setting to reach the minimum required flow rate 2 l min 11 4 2 Air purge function Purpose When commissioning and installing the unit it is very important to remove all air in the water circuit When the air purge function is running t...

Page 215: ...d from the system During air purge function pump speed limitation 9 0D is NOT applicable The air purge function automatically stops after 30 minutes INFORMATION For best results air purge each loop separately To perform a manual air purge Conditions Make sure all operation is disabled Go to C Operation and turn off Space heating cooling and Tank operation 1 Set the user permission level to Install...

Page 216: ...issioning 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 to check if the unit is working...

Page 217: ...onitor the temperatures 1 In the menu go to Sensors 2 Select the temperature information 11 4 4 Actuator test run Purpose Perform an actuator test run to confirm the operation of the different actuators For example when you select Pump a test run of the pump will start To perform an actuator test run Conditions Make sure all operation is disabled Go to C Operation and turn off Space heating coolin...

Page 218: ...turer for the maximum allowed water temperature to avoid cracking the screed programming the underfloor heating screed dryout schedule according to the initial heating instructions of the screed manufacturer checking the proper functioning of the setup on a regular basis performing the correct program complying with the type of the used screed UFH screed dryout before or during installation of out...

Page 219: ... The underfloor heating screed dryout function is active even if the user does NOT confirm emergency operation During underfloor heating screed dryout pump speed limitation 9 0D is NOT applicable NOTICE To perform an underfloor heating screed dryout room frost protection needs to be disabled 2 06 0 By default it is enabled 2 06 1 However due to the installer on site mode see Commissioning room fro...

Page 220: ...le the total remaining time and the current desired leaving water temperature 2 Press the left dial to open the menu structure and to 1 View the status of sensors and actuators 2 Adjust the current program To stop an underfloor heating UFH screed dryout U3 error When the program is stopped by an error or an operation switch off the U3 error will be displayed on the user interface To resolve the er...

Page 221: ...21 11 2 You can read out the value here Stopped at the step where the underfloor screed dryout was stopped 3 Modify and restart the execution of the program a a If the UFH screed dryout program was stopped due to a power failure and the power resumes the program will automatically restart the last implemented step ...

Page 222: ...etting 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 ...

Page 223: ...ble legislation on fluorinated greenhouse gases requires that the refrigerant charge of the unit is indicated both in weight and CO2 equivalent Formula to calculate the quantity in CO2 equivalent tonnes GWP value of the refrigerant total refrigerant charge in kg 1000 In this chapter 13 1 Maintenance safety precautions 223 13 2 Yearly maintenance 224 13 2 1 Yearly maintenance outdoor unit overview ...

Page 224: ... pressure leading to worse performance 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 Chemical disinfection 13 2 4 Yearly maintenance indoor unit instructions Water pressure Keep water pressure above 1 bar If it is lower add water Mag...

Page 225: ...rain valve 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 4 1 To remove the water filter 4227 13 4 2 To clean the water filter in case of trouble 4228 13 4 3 To install the water filter 4229 Water pre...

Page 226: ...ctors must be in open position when the power is turned OFF WARNING If the internal wiring is damaged it has to be replaced by the manufacturer its service agent or similarly qualified persons Descaling Depending on water quality and set temperature scale can deposit on the heat exchanger inside the domestic hot water tank and can restrict heat transfer For this reason descaling of the heat exchan...

Page 227: ...ou need to do as follows 13 4 1 To remove the water filter 4227 13 4 2 To clean the water filter in case of trouble 4228 13 4 3 To install the water filter 4229 13 4 1 To remove the water filter Prerequisite Stop the unit operation via the user interface Prerequisite Turn OFF the respective circuit breaker 1 The water filter is located behind the switch box To get access to it see 7 2 4 To open th...

Page 228: ...the water filter 4227 NOTICE To protect the piping connected to the magnetic filter dirt separator from damage it is recommended to perform this procedure with the magnetic filter dirt separator removed from the unit 2 Unscrew the bottom of the water filter housing Use an appropriate tool if needed NOTICE Opening the magnetic filter dirt separator is ONLY required in case of severe issues Preferab...

Page 229: ... 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 separator c Air purge valve 2 Install the 2 clips to fix the water filter to the water circuit pipes 3 Make sure that the air purge valve of the water filter is in the open position 4 Open the valve if equipped of the...

Page 230: ...porarily unusually high 235 14 3 10 Symptom Decoration panels are pushed away due to a swollen tank 235 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error 235 14 4 Solving problems based on error codes 236 14 4 1 To display the help text in case of a malfunction 236 14 4 2 Error codes Overview 237 14 1 Overview Troubleshooting This chapter describes what you have to do ...

Page 231: ...l shut off valves of the water circuit are completely open The water filter is clean Clean if necessary There is no air in the system Purge air if necessary You can purge air manually see To perform a manual air purge 4 215 or use the automatic air purge function see To perform an automatic air purge 4216 The water pressure is 1 bar The expansion vessel is NOT broken The valve if equipped of the w...

Page 232: ...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 connections as explained in 9 3 1 To connect the main power supply 4102 9 1 5 About preferential kWh rate power supply 496 9 1 6 Overview of electrical connections except external actuators 497 The preferential kWh rate signal was sent by th...

Page 233: ...ed Reason Refrigerant might leak into the water circuit and subsequently into the room when you purge air from the heat emitters or collectors 14 3 5 Symptom The pump is making noise cavitation Possible causes Corrective action There is air in the system Purge air manually see To perform a manual air purge 4215 or use the automatic air purge function see To perform an automatic air purge 4216 The ...

Page 234: ...e relief valve leaks Possible causes Corrective action Dirt is blocking the water pressure relief valve outlet Check whether the pressure relief valve works correctly by turning the red knob on the valve counterclockwise If you do NOT hear a clacking sound contact your dealer If the water keeps running out of the unit close both the water inlet and outlet shut off valves first and then contact you...

Page 235: ...ing Space heating priority 5 02 Increase the space heating priority temperature to activate backup heater operation at a higher outdoor temperature Go to 9 6 3 Installer settings Balancing Priority temperature 5 03 14 3 9 Symptom The pressure at the tapping point is temporarily unusually high Possible causes Corrective action Failing or blocked pressure relief valve Flush and clean the complete ta...

Page 236: ...p tank operation during disinfection 14 4 Solving problems based on error codes If the unit runs into a problem the user interface displays an error code It is important to understand the problem and to take measures before resetting an error code This should be done by a licensed installer or by your local dealer This chapter gives you an overview of most possible error codes and their descriptio...

Page 237: ...n activated during defrost warning 89 05 Heat exchanger freeze up protection activated during cooling error 89 06 Heat exchanger freeze up protection activated during defrost warning 8F 00 Abnormal increase outlet water temperature DHW 8H 00 Abnormal increase outlet water temperature 8H 01 Overheating mixed water circuit 8H 02 Overheating mixed water circuit thermostat 8H 03 Overheating water circ...

Page 238: ...on of discharge pipe temperature F6 00 OU Abnormal high pressure in cooling FA 00 OU Abnormal high pressure actuation of HPS H0 00 OU Voltage current sensor problem H1 00 External temperature sensor problem H3 00 OU Malfunction of high pressure switch HPS H5 00 Malfunction of compressor overload protection H6 00 OU Malfunction of position detection sensor H8 00 OU Malfunction of compressor input C...

Page 239: ...ng 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 01 Connection with LAN adapter lost U8 02 Co...

Page 240: ...start up can be set by installer settings disinfection function When the Schedule only mode is selected it is recommended to 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...

Page 241: ... pump down Example To protect the environment pump down when relocating the unit or when disposing of the unit DANGER RISK OF EXPLOSION Pump down Refrigerant leakage If you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the outdoor unit Possible consequenc...

Page 242: ... 3 Start the pump down operation via the user interface integrated in the indoor unit 1 Set the user permission level to Installer See To change the user permission level 4123 2 Go to A 5 Commissioning Pump down 3 Select Pump down 4 Select OK to confirm Result The pump down operation starts It stops automatically when done To stop the pump down operation manually 1 In the menu go to Stop pump down...

Page 243: ...n website publicly accessible The full set of latest technical data is available on the Daikin Business Portal authentication required In this chapter 16 1 Piping diagram Outdoor unit 244 16 2 Piping diagram Indoor unit 245 16 3 Wiring diagram Outdoor unit 246 16 4 Wiring diagram Indoor unit 248 16 5 Table 1 Maximum refrigerant charge allowed in a room indoor unit 254 16 6 Table 2 Minimum floor ar...

Page 244: ...T M1C Y1S 4 0 CuT M1F b a c d e f g h i j k k g g a Field piping liquid Ø6 4 mm flare connection M1C Compressor b Field piping gas Ø15 9 mm flare connection M1F Fan c Stop valve liquid R1T Thermistor outdoor air d Stop valve with service port gas R2T Thermistor heat exchanger e Filter R3T Thermistor compressor discharge f Muffler with filter S1PH High pressure switch automatic reset g Capillary tu...

Page 245: ...rmistor heat exchanger water OUT b1 Space heating water IN main mixed zone R2T Thermistor backup heater water OUT b2 Space heating water OUT main mixed zone R3T Thermistor liquid refrigerant c1 Domestic hot water cold water IN R4T Thermistor heat exchanger water IN c2 Domestic hot water hot water OUT R5T R8T Thermistor tank d1 Gas refrigerant IN heating mode condenser R7T Thermistor main mixed zon...

Page 246: ...otes Notes Connection X1M Main terminal Earth wiring Field supply Option Switch box PCB Wiring depending on model Protective earth Field wire NOTES 1 When operating do not short circuit protection device S1PH 2 Refer to the combination table and the option manual for how to connect the wiring to X6A X28A and X77A 3 Colours BLK black RED red BLU blue WHT white GRN green YLW yellow 3 Legend AL Conne...

Page 247: ...r supply Q1L Thermal protector Q1DI Earth leakage circuit breaker Q Insulated gate bipolar transistor IGBT R1T Thermistor air R2T Thermistor heat exchanger R3T Thermistor discharge RTH2 Resistor S Connector S1PH High pressure switch S2 80 Connector SA1 Surge arrestor SHM Terminal strip fixed plate U V W Connector V3 V4 V401 Varistor X A Connector X M Terminal strip Y1E Electronic expansion valve Y...

Page 248: ...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 9 kW ...

Page 249: ...itch 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 A5P Bizone PCB A6P Current loop 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 CN A4P Con...

Page 250: ... heater power supply terminal strip X10M Smart Grid power supply terminal strip X X A X Y 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 preferential kWh rate power supply Indoor unit supplied from outdoor Indoor unit supplied from outdoor Normal kWh rate power supply N...

Page 251: ... supplied by PCB 230 V AC supplied by PCB 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 Normal...

Page 252: ... detection voltage supplied 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 tempera...

Page 253: ...nly for Human Comfort Interface Only for KRTR wireless room thermostat Only for KRTW wired room thermostat 2 core communication 2 core OPTIONAL PART External room thermostat Heat pump convector main and or additional zone main X2M 30 31 35 add X2M 30 31 35a main X2M 30 35 add X2M 30 35a Cooling heating ON OFF output NO valve X2M 21 28 NC valve X2M 21 29 Changeover to ext heat source output Alarm o...

Page 254: ...allowed in a room indoor unit Aroom m2 Maximum refrigerant charge in a room mmax kg H 600 mm 1 0 138 2 0 276 3 0 414 4 0 553 5 0 691 6 0 829 7 0 907 8 0 970 9 1 028 10 1 084 11 1 137 12 1 187 13 1 236 14 1 283 15 1 328 16 1 371 17 1 413 18 1 454 19 1 494 20 1 533 21 1 571 22 1 608 23 1 644 24 1 679 25 1 714 26 1 748 27 1 781 28 1 814 29 1 846 30 1 877 31 1 909 ...

Page 255: ...For floorstanding models the value of Installation height H is considered 600 mm to comply to IEC 60335 2 40 2013 A1 2016 Clause GG2 For intermediate mc values i e when mc is between two values from the table consider the value that corresponds to the higher mc value from the table If mc 1 87 kg consider the value that corresponds to mc 1 88 kg Systems with a total refrigerant charge mc 1 84 kg i ...

Page 256: ...orstanding models the value of Installation height H is considered 600 mm to comply to IEC 60335 2 40 2013 A1 2016 Clause GG2 For intermediate dm values i e when dm is between two dm values from the table consider the value that corresponds to the higher dm value from the table If dm 1 55 kg consider the value that corresponds to dm 1 6 kg ...

Page 257: ...t B Water flow rate through the unit in the space heating circuit C Operation range Additional direct zone Main mixed zone Dashed lines Operation area is extended to lower flow rates only in case the unit operates with heat pump only Not in startup no backup heater operation no defrost operation Notes Selecting a flow outside the operating area can damage the unit or cause the unit to malfunction ...

Page 258: ...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 259: ...1 10 Field settings table 8 7 5 9651 Applicable indoor units EHVZ04S18EA6V EHVZ08S18EA6V EHVZ08S23EA6V EHVZ08S18EA9W EHVZ08S23EA9W Notes 1 3V 2 6V 3 9W 4P629095 1A 2021 02 ...

Page 260: ...W 40 5 C step 1 C 10 C Additional zone 3 7 2 0D R W 0 Underfloor heating 1 Fancoil unit 2 Radiator Setpoint range 3 8 1 9 05 R W 15 37 C step 1 C 25 C 3 8 2 9 06 R W 2 0D 2 37 65 step 1 C 55 C 2 0D 2 37 55 step 1 C 55 C Additional zone 3 A C 06 R W 0 1 1 contact 2 2 contacts Delta T 3 B 1 1 0C R W 3 10 C step 1 C 5 C Space heating cooling Operation range 4 3 1 4 02 R W 14 35 C step 1 C 22 C Space ...

Page 261: ...in Tank 5 8 6 0E R W 40 60 C step 1 C 60 C 5 9 6 00 R W 2 40 C step 1 C 25 C 5 A 6 08 R W 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 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 User settings Quiet 7 4 1 R W 0 OFF 1 Quiet 2 More quiet 3 Most...

Page 262: ...ched 2 Scheduled only 9 1 6 0A R W 30 6 0E C step 1 C 60 C 9 1 6 0B R W 30 min 50 6 0E C step 1 C 45 C 9 1 6 0C R W 30 min 50 6 0E C step 1 C 45 C Domestic hot water 9 2 1 E 05 E 06 E 07 R O 3 Integrated 9 2 2 D 02 R W 0 No 1 Secondary rtrn 2 Disinf Shunt 9 2 4 D 07 R W 0 No 1 Yes Back up heater 9 3 1 E 03 R O 2 3V 1 3 6V 2 4 9W 3 9 3 2 5 0D R W 2 R O 1 3 0 230V 1 1 2 1 230V 3 2 2 400V 3 3 9 3 3 4...

Page 263: ...tinuous 2 Digital inputs 9 9 2 4 09 R W 0 Current 1 Power 9 9 3 5 05 R W 0 50 A step 1 A 50 A 9 9 4 5 05 R W 0 50 A step 1 A 50 A 9 9 5 5 06 R W 0 50 A step 1 A 50 A 9 9 6 5 07 R W 0 50 A step 1 A 50 A 9 9 7 5 08 R W 0 50 A step 1 A 50 A 9 9 8 5 09 R W 0 20 kW step 0 5 kW 20 kW 9 9 9 5 09 R W 0 20 kW step 0 5 kW 20 kW 9 9 A 5 0A R W 0 20 kW step 0 5 kW 20 kW 9 9 B 5 0B R W 0 20 kW step 0 5 kW 20 k...

Page 264: ...R W 40 60 min step 5 min 40 min 9 I 2 05 R W 4 16 C step 1 C 12 C 9 I 2 06 R W 0 Disabled 1 Enabled 9 I 2 09 R W 5 5 C step 0 5 C 0 C 9 I 2 0A R W 5 5 C step 0 5 C 0 C 9 I 2 0B R W 5 5 C step 0 5 C 0 C What is the desired delta T in heating for the additional zone External sensor Leaving water value for high ambient temp for DHW WD curve Averaging time Bivalent Boiler efficiency Temperature Hyster...

Page 265: ... step 0 2kW 0kW 9 I 6 03 R W 0 10kW step 0 2kW 2kW 2 3kW 1 3 9 I 6 04 R O 1 R W 2 3 0 10kW step 0 2kW 0kW 1 4kW 2 6kW 3 9 I 6 05 0 9 I 6 06 0 9 I 6 07 R W 0 200W step 10W 0W What is the maximum desired room temperature in heating Below which outdoor temperature is heating allowed What is the requested limit for DI4 What is the equilibrium temperature for the building What is the requested limit fo...

Page 266: ... I 9 0E R W 0 8 step 1 0 No limitation 1 4 90 60 pump speed 5 8 90 60 pump speed during sampling 6 9 I C 00 R O 1 Heat pump priority 9 I C 01 0 9 I C 02 R W 0 No 1 Bivalent 9 I C 03 R W 25 25 C step 1 C 0 C 9 I C 04 R W 2 10 C step 1 C 3 C What is the allowed undershoot in cooling What is the hysteresis to be used in reheat mode What is the desired comfort storage temperature What is the desired e...

Page 267: ...R O 1 Yes 9 I E 0C 0 9 I E 0D 0 9 I E 0E 0 9 I F 00 R W 0 Disabled 1 Enabled 9 I F 01 20 9 I F 02 R W 3 10 C step 1 C 3 C 9 I F 03 R W 2 5 C step 1 C 5 C 9 I F 04 R W 0 No 1 Yes 9 I F 05 0 9 I F 09 R W 0 Disabled 1 Enabled 9 I F 0A 0 9 I F 0B R W 0 No 1 Yes 9 I F 0C 1 What is the thermo request contact type for the main zone Which heaters are permitted if prefer kWh rate PS is cut Contact type of ...

Page 268: ...ep Default value Date Value Field settings table Installer setting at variance with default value 9 I F 0D R W 0 Continuous 1 Sample 2 Request What is the pump operation mode 4P629095 1A 2021 02 Setting is not applicable for this unit 1 3V_ 2 6V_ 3 9W ...

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Daikin EHVZ04S18EA6V, Installer'S Reference Manual

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