Daikin EHFZ03S18DJ3V Installer'S Reference Manual Download

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Piping installation

Installer reference guide

ERLA EHFZ03S18DJ3V

Daikin Altherma 3 R F

4P596821-1B – 2021.10

8 Piping installation

INFORMATION

This unit is a heating only model. Therefore, all references to cooling in this
document are NOT applicable.

In this chapter

8.1

Preparing refrigerant piping ...................................................................................................................................................

8.1.1

Refrigerant piping requirements ...........................................................................................................................

8.1.2

Refrigerant piping insulation..................................................................................................................................

8.2

Connecting the refrigerant piping..........................................................................................................................................

8.2.1

About connecting the refrigerant piping...............................................................................................................

8.2.2

Precautions when connecting the refrigerant piping............................................................................................

8.2.3

Guidelines when connecting the refrigerant piping..............................................................................................

8.2.4

Pipe bending guidelines .........................................................................................................................................

8.2.5

To flare the pipe end..............................................................................................................................................

8.2.6

To braze the pipe end ............................................................................................................................................

8.2.7

Using the stop valve and service port....................................................................................................................

8.2.8

To connect the refrigerant piping to the outdoor unit .........................................................................................

8.2.9

To connect the refrigerant piping to the indoor unit............................................................................................

8.3

Checking the refrigerant piping..............................................................................................................................................

8.3.1

About checking the refrigerant piping...................................................................................................................

8.3.2

Precautions when checking the refrigerant piping ...............................................................................................

8.3.3

Checking refrigerant piping: Setup ........................................................................................................................

8.3.4

To check for leaks...................................................................................................................................................

8.3.5

To perform vacuum drying ....................................................................................................................................

8.4

Charging refrigerant ...............................................................................................................................................................

8.4.1

About charging refrigerant ....................................................................................................................................

8.4.2

Precautions when charging refrigerant .................................................................................................................

8.4.3

To determine the complete recharge amount......................................................................................................

8.4.4

To fix the fluorinated greenhouse gases label.......................................................................................................

8.5

Preparing water piping ...........................................................................................................................................................

8.5.1

Water circuit requirements ...................................................................................................................................

8.5.2

Formula to calculate the expansion vessel pre-pressure......................................................................................

8.5.3

To check the water volume and flow rate.............................................................................................................

8.5.4

Changing the pre-pressure of the expansion vessel .............................................................................................

8.5.5

To check the water volume: Examples ..................................................................................................................

8.6

Connecting water piping ........................................................................................................................................................

8.6.1

About connecting the water piping .......................................................................................................................

8.6.2

Precautions when connecting the water piping....................................................................................................

8.6.3

To connect the water piping..................................................................................................................................

8.6.4

To connect the recirculation piping.......................................................................................................................

8.6.5

To fill the water circuit ...........................................................................................................................................

8.6.6

To fill the domestic hot water tank........................................................................................................................

8.6.7

To insulate the water piping ..................................................................................................................................

8.1 Preparing refrigerant piping

8.1.1 Refrigerant piping requirements

INFORMATION

Also read the precautions and requirements in the

"2 General safety

precautions"

[

10].

Also see

"Special requirements for R32"

[

53] for additional requirements.

▪

Piping length:

See

"7.1.3 Installation site requirements of the indoor unit"

[

52].

▪

Piping material:

Phosphoric acid deoxidised seamless copper.

Summary of Contents for EHFZ03S18DJ3V

Page 1: ...Installer reference guide Daikin Altherma 3 R F ERLA03DAV3 EHFZ03S18DJ3V...

Page 2: ...oor unit 27 6 Application guidelines 31 6 1 Overview Application guidelines 31 6 2 Setting up the space heating cooling system 32 6 2 1 Multiple rooms Two LWT zones 32 6 3 Setting up an auxiliary heat...

Page 3: ...t checking the refrigerant piping 71 8 3 2 Precautions when checking the refrigerant piping 72 8 3 3 Checking refrigerant piping Setup 72 8 3 4 To check for leaks 72 8 3 5 To perform vacuum drying 73...

Page 4: ...advanced 139 10 4 3 Heat source settings 144 10 4 4 System settings 147 10 5 Menu structure Overview user settings 155 10 6 Menu structure Overview installer settings 156 11 Commissioning 158 11 1 Ov...

Page 5: ...14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error 182 14 4 Solving problems based on error codes 182 14 4 1 Error codes Overview 183 15 Disposal 190 15 1 Overview Disposa...

Page 6: ...nual 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 r...

Page 7: ...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...

Page 8: ...e 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 C...

Page 9: ...hat 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 Troubleshoot...

Page 10: ...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 equipme...

Page 11: ...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 pl...

Page 12: ...elease 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 lea...

Page 13: ...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...

Page 14: ...arth 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...

Page 15: ...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 ex...

Page 16: ...door unit See 7 1 1 Installation site requirements of the outdoor unit 449 Indoor unit See 7 1 3 Installation site requirements of the indoor unit 452 WARNING The appliance shall be stored in a room w...

Page 17: ...dance with the instructions from this manual See 7 3 Mounting the outdoor unit 458 Mounting the indoor unit see 7 4 Mounting the indoor unit 461 WARNING Fixing method of the indoor unit MUST be in acc...

Page 18: ...struction 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...

Page 19: ...by the installer according to the applicable legislation WARNING Be aware that the domestic hot water temperature at the hot water tap will be equal to the value selected in field setting 2 03 after a...

Page 20: ...ter coming out of the valve may be very hot WARNING If the internal wiring is damaged it has to be replaced by the manufacturer its service agent or similarly qualified persons DANGER RISK OF BURNING...

Page 21: ...not you can purge air immediately If yes make sure that the room where you want to purge air is sufficiently ventilated Reason Refrigerant might leak into the water circuit and subsequently into the...

Page 22: ...To remove the accessories from the indoor unit 24 4 3 3 To handle the indoor unit 24 4 1 Overview About the box This chapter describes what you have to do after the boxes with the outdoor and indoor...

Page 23: ...2 2 To handle the outdoor unit CAUTION To avoid injury do NOT touch the air inlet or aluminium fins of the unit 4 2 3 To remove the accessories from the outdoor unit a b c d e a Outdoor unit installa...

Page 24: ...ructions mentioned on the unpacking instructions sheet 4 3 1 To unpack the indoor unit 1 2 8 4 3 2 To remove the accessories from the indoor unit 6 4 1 1 1 1 1 e f g a b c d 1 h a General safety preca...

Page 25: ...rence guide 25 ERLA03DAV3 EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821 1B 2021 10 b a a b a Handles at the back of the unit b Handles at the bottom of the unit Carefully tilt the unit to the back so t...

Page 26: ...ification label Indoor unit 26 5 2 Combining units and options 27 5 2 1 Possible combinations of indoor unit and outdoor unit 27 5 2 2 Possible options for the outdoor unit 27 5 2 3 Possible options f...

Page 27: ...Prevents freeze up of the bottom plate Recommended in areas with low ambient temperature and high humidity Required in areas with ambient temperatures between 7 C and 15 C when the outdoor unit is in...

Page 28: ...n combination with the wireless thermostat EKRTR1 EKRTETSB only in combination with the wireless thermostat EKRTRB For installation instructions see the installation manual of the room thermostat and...

Page 29: ...PC It gives the possibility to update the software of the indoor unit For installation instructions see the installation manual of the PC cable Pipe bend kit EKHVTC When the indoor unit is installed...

Page 30: ...A03DAV3 EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821 1B 2021 10 LAN adapter for smartphone control BRP069A62 You can install this LAN adapter to control the system via a smartphone app For installatio...

Page 31: ...4 Preferential kWh rate power supply 43 6 6 Setting up the power consumption control 44 6 6 1 Permanent power limitation 44 6 6 2 Power limitation activated by digital inputs 45 6 6 3 Power limitatio...

Page 32: ...room you need to answer the following questions first How many rooms are heated or cooled by the heat pump system Which heat emitter types are used in each room and what is their design leaving water...

Page 33: ...refreshment no real cooling allowed Bed rooms additional zone Heat pump convectors In heating 45 C In cooling 12 C a In cooling mode you can allow the underfloor heating main zone to provide refreshme...

Page 34: ...he controller of the heat pump convectors There are different controllers and setups possible for the heat pump convectors For more information see The installation manual of the heat pump convectors...

Page 35: ...the excellent cooling comfort of the heat pump convectors Efficiency Depending on the demand the indoor unit supplies different leaving water temperature matching the design temperature of the differ...

Page 36: ...supply NOTICE Make sure the auxiliary boiler and its integration in the system complies with applicable legislation Daikin is NOT responsible for incorrect or unsafe situations in the auxiliary boile...

Page 37: ...sunlight Frequent changeover may cause corrosion of the auxiliary boiler Contact the manufacturer of the auxiliary boiler for more information Changeover to external heat source decided by an auxilia...

Page 38: ...r example 15 C Selecting the desired temperature for the DHW tank consists of 1 Determining the DHW consumption equivalent hot water volume at 40 C 2 Determining the desired temperature for the DHW ta...

Page 39: ...We recommend to set the desired DHW tank temperature 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 th...

Page 40: ...domestic hot water pump 4101 For more information about connecting the recirculation connection see 8 6 4 To connect the recirculation piping 484 Configuration For more information see 10 Configuratio...

Page 41: ...door unit can control DHW pump operation For more information see 10 Configuration 4110 6 5 Setting up the energy metering Via the user interface you can read out the following energy data Produced he...

Page 42: ...user interface for the backup heater step 1 Measuring the consumed energy Preferred method because of higher accuracy Requires external power meters Setup and configuration When using electrical power...

Page 43: ...mon because of technical limitations of power meters Connection and setup Connect the second power meter to X5M 3 and X5M 4 See 9 3 5 To connect the electricity meters 4100 In the software the power c...

Page 44: ...inputs 445 Allows you to limit the power consumption of the entire heat pump system sum of indoor unit and backup heater via 4 digital inputs Limitation of power in kW or current in A NOTICE Set a mi...

Page 45: ...Each power limitation level is set via the user interface by limiting one of the following Current in A Power input in kW The energy management system field supply decides the activation of a certain...

Page 46: ...ital input INFORMATION In case more than 1 digital input is closed at the same time the digital input priority is fixed DI4 priority DI1 6 6 3 Power limitation process The outdoor unit has better effi...

Page 47: ...or ambient temperature In the outdoor unit the outdoor ambient temperature is measured Therefore the outdoor unit must be installed on a location At the north side of the house or at the side of the h...

Page 48: ...re 58 7 3 4 To install the outdoor unit 59 7 3 5 To provide drainage 59 7 3 6 To prevent the outdoor unit from falling over 60 7 4 Mounting the indoor unit 61 7 4 1 About mounting the indoor unit 61 7...

Page 49: ...250 b a a b a 350 a Air outlet b Air inlet NOTICE The height of the wall on the outlet side of the outdoor unit MUST be 1200 mm NOTICE Do NOT stack the units on each other Do NOT hang the unit on a ce...

Page 50: ...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 l...

Page 51: ...of free space below the unit 300 mm for heavy snowfall areas Additionally make sure the unit is positioned at least 100 mm above the maximum expected level of snow If necessary construct a pedestal S...

Page 52: ...the unit is within 3 km of any lakes or rivers 8 0E 7 C e Outdoor unit operation not possible below 7 C backup heater operation only 8 0E 7 C 7 1 3 Installation site requirements of the indoor unit IN...

Page 53: ...perature around the indoor unit must be 5 C NOTICE When the temperature in multiple rooms is controlled by 1 thermostat do NOT place a thermostatic valve on the emitter in the room where the thermosta...

Page 54: ...ts 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...

Page 55: ...P596821 1B 2021 10 1 1 1 2 7 2 4 To open the indoor unit Overview a b d c e a Top panel b Upper front panel c Switch box cover d Front panel e High voltage switch box cover Open 1 Remove the top panel...

Page 56: ...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 457 7 4 4 To connect the drain hose to the drain 462...

Page 57: ...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 upper front panel and front panel have been removed 1 Remove...

Page 58: ...1 Providing the installation 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 cove...

Page 59: ...it 4 M8 M10 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 accumulati...

Page 60: ...RMATION For information on the available options contact your dealer 1 Use a drain plug for drainage 2 Use a 16 mm hose field supply b c d a a Drain port b Bottom frame c Drain plug accessory d Hose f...

Page 61: ...rain 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 si...

Page 62: ...You must connect the drain hose to an appropriate drain according to the applicable legislation You can route the drain hose through the left or right side panel 1 Remove one of the side panels 2 Cut...

Page 63: ...ndoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape INFORMATION For the requirements of the refrigerant piping insulation see 8 1 2 Refrigerant pi...

Page 64: ...4 To check for leaks 72 8 3 5 To perform vacuum drying 73 8 4 Charging refrigerant 74 8 4 1 About charging refrigerant 74 8 4 2 Precautions when charging refrigerant 75 8 4 3 To determine the complete...

Page 65: ...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 resistan...

Page 66: ...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 R...

Page 67: ...er 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 Tig...

Page 68: ...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...

Page 69: ...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...

Page 70: ...que N m Stem cap liquid side 14 2 17 2 Stem cap gas side 22 28 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 Af...

Page 71: ...ed that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape 8 3 Checking the refrigerant piping 8 3 1 About checki...

Page 72: ...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...

Page 73: ...applying the bubble test solution to all connections 3 Discharge all nitrogen gas 8 3 5 To perform vacuum drying Connect the vacuum pump and manifold as follows a d j b f e c g h i h a Pressure meter...

Page 74: ...elocating the system After a leak Completely recharging refrigerant Before completely recharging refrigerant make sure the following is done 1 All refrigerant is recovered from the system 2 The outdoo...

Page 75: ...is delivered with the unit see accessories peel off the applicable language and stick it on top of a b Factory refrigerant charge see unit name plate c Additional refrigerant amount charged d Total r...

Page 76: ...ng the water circuit Inappropriate tooling will cause damage to the pipes Closed circuit Use the indoor unit ONLY in a closed water system Using the system in an open water system will lead to excessi...

Page 77: ...oints of the system which must also be easily accessible for servicing Two automatic air purges are provided in the indoor unit Check that the air purges are NOT tightened too much so that automatic r...

Page 78: ...lation pump In accordance with the applicable legislation it may be required to connect a recirculation pump in between the hot water end point and the recirculation connection of the domestic hot wat...

Page 79: ...pressure bypass valve field supply The installation of a field supplied overpressure bypass valve is recommended c Shut off valve Maximum water volume Use the following graph to determine the maximum...

Page 80: ...tside the unit a This is the height difference m between the highest point of the water circuit and the indoor unit If the indoor unit is at the highest point of the installation the installation heig...

Page 81: ...ample 1 The indoor unit is installed 5 m below the highest point in the water circuit The total water volume in the water circuit is 100 l No actions or adjustments are required Example 2 The indoor u...

Page 82: ...OT use excessive force when connecting the piping Deformation of the piping can cause malfunctioning of the unit NOTICE This unit is designed for operation on 2 temperature zones underfloor heating in...

Page 83: ...ld supply We recommend to install an overpressure bypass valve in the space heating water circuit Mind the minimum flow rate when adjusting the overpressure bypass valve setting NOTICE If you install...

Page 84: ...ng points etc connected to the tank is subjected to this high pressure To prevent this a pressure relief valve needs to be installed The overpressure prevention depends on the correct operation of the...

Page 85: ...sure 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 during co...

Page 86: ...the electrical wiring to the outdoor unit 90 9 3 Connections to the indoor unit 91 9 3 1 To connect the main power supply 94 9 3 2 To connect the backup heater power supply 96 9 3 3 To connect the us...

Page 87: ...complete 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 p...

Page 88: ...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 1 2 1 5 Indoor unit Item Tightening torque N m M4 X1M X2M...

Page 89: ...for certain periods of time demand that the equipment ONLY consumes a limited amount of electricity during certain periods of time The indoor unit is designed to receive an input signal by which the u...

Page 90: ...Specifications of standard wiring components Component ERLA03DAV3 Power supply cable MCA a 13 0 A Voltage 230 V Phase 1 Frequency 50 Hz Wire sizes Must comply with applicable legislation Interconnecti...

Page 91: ...up heater See 9 3 2 To connect the backup heater power supply 496 User interface See 9 3 3 To connect the user interface 497 Shut off valve See 9 3 4 To connect the shut off valve 499 Electricity mete...

Page 92: ...r the additional zone A 2 2 5 Contact type add Heat pump convector There are different controllers and setups possible for the heat pump convectors For more information see Installation manual of the...

Page 93: ...the wireless room thermostat Addendum book for optional equipment Wired room thermostat without multi zoning base unit Installation manual of the wired room thermostat Addendum book for optional equip...

Page 94: ...er interface make sure to set A 2 1 7 2 Unit control method RT control 9 3 1 To connect the main power supply 1 Open the following see 7 2 4 To open the indoor unit 455 1 Top panel 1 2 3 2 Upper front...

Page 95: ...s 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 1...

Page 96: ...The backup heater MUST have a dedicated power supply and MUST be protected by the safety devices required by the applicable legislation CAUTION To guarantee the unit is completely earthed ALWAYS conne...

Page 97: ...wer switch box Q1DI Earth leakage circuit breaker field supply SWB Switch box X6M Terminal field supply NOTICE Do NOT cut or remove the backup heater power supply cable 9 3 3 To connect the user inter...

Page 98: ...tings A a b B A B X5M 11 12 P2 P1 a Main user interface Required for operation Delivered with the unit as accessory b Optional user interface 3 Insert a screwdriver into the slots underneath the user...

Page 99: ...and a combination of underfloor heating and heat pump convectors install a shut off valve before the underfloor heating to prevent condensation on the floor during cooling operation In this case the...

Page 100: ...se detection voltage supplied by PCB A 2 2 8 External kWh meter meter 1 A 2 2 9 External kWh meter meter 2 INFORMATION In case of an electricity meter with transistor output check the polarity The pos...

Page 101: ...3 6 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 A 2 2 Options A 2 2 A DHW pump 7 3 Set schedules 7 3 7 DHW pump 1 Open th...

Page 102: ...rm output Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC A 2 2 6 3 Alarm output 1 Open the following see 7 2 4 To open the indoor unit 455 1 Top panel 1 2 3 2 Upper front panel 3 Upper switch box cover...

Page 103: ...cable tie mountings 9 3 8 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 455 1 Top panel 1 2 3...

Page 104: ...9 3 9 To connect the changeover to external heat source INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with room thermostat control OR external room thermostat contr...

Page 105: ...mountings 9 3 10 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 A 6 3 Pwr consumpt co...

Page 106: ...TA is required 3 Fix the cable with cable ties to the cable tie mountings 9 3 11 To connect the safety thermostat normally closed contact 1 Open the following see 7 2 4 To open the indoor unit 455 1 T...

Page 107: ...in this zone The 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 th...

Page 108: ...of 2 C min There is a minimum distance of 2 m between the safety thermostat and the 3 way valve INFORMATION ALWAYS configure the safety thermostat for the additional zone after it is installed Without...

Page 109: ...9 Electrical installation Installer reference guide 109 ERLA03DAV3 EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821 1B 2021 10 Without low voltage cables With low voltage cables...

Page 110: ...4 Advanced configuration optimisation 129 10 4 1 Space heating cooling operation advanced 129 10 4 2 Domestic hot water control advanced 139 10 4 3 Heat source settings 144 10 4 4 System settings 147...

Page 111: ...on level Default user permission level The default user permission level is End user To set the user permission level to End user 1 Press for more than 4 seconds Result Your user permission level is n...

Page 112: ...An additional 0 digit is added to the first part of the setting when you access the codes in the overview settings Example 1 01 1 will result in 01 01 02 06 0a 0e 00 03 07 0b 0f 00 00 04 08 0c 00 01...

Page 113: ...ce INFORMATION While using the quick wizard on the main user interface the second user interface displays Busy and you cannot interact with it 3 On the display check if there is a data difference betw...

Page 114: ...structure of the main user interface 10 1 4 Quick wizard Set the system layout after first power ON After first power ON of the system a quick wizard guides you through the initial configuration of t...

Page 115: ...d Standard Space heating cooling settings The system can heat up or cool down a space Depending on the type of application the space heating cooling settings must be made accordingly Space heating coo...

Page 116: ...m thermostat if RT control is selected In room This user interface acts as room thermostat if RT control is selected The other user interface is set to At unit Space heating cooling Number of LWT zone...

Page 117: ...F When the space heating cooling control is ON you can select the desired pump operation mode only applicable during space heating cooling Continuous Continuous pump operation regardless of thermo ON...

Page 118: ...d Options DHW pump Code Description A 2 2 A D 02 DHW pump 0 No NOT installed 1 Secondary rtrn Installed for instant hot water when water is tapped The end user sets the operation timing weekly schedul...

Page 119: ...g the schedule Control of this pump is possible with the user interface 2 Disinf shunt Installed for disinfection It runs when the disinfection function of the domestic hot water tank is running No fu...

Page 120: ...or the main leaving water temperature zone on the indoor unit X2M 1 Select this value in case of a connection to the heat pump convector FWXV 2 H C request default The connected external room thermost...

Page 121: ...trol Digital I O PCB Code Description N A C 02 Ext backup heat src Indicates if the space heating is also performed by means of another heat source than the system 0 No default NOT installed 1 Bivalen...

Page 122: ...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 When only 1 or...

Page 123: ...ntrol 3 WD scheduled Weather dependent scheduled only if Unit control method LWT control 7 7 1 1 1 00 1 01 1 02 1 03 If you selected weather dependent curve as a setpoint mode adjust the curve to your...

Page 124: ...t the curve to your needs a Set weather dependent heating 0 00 0 01 Ta Tt 0 03 0 02 Tt Target leaving water temperature additional Ta Outdoor temperature 7 7 2 2 0 04 0 05 0 06 0 07 If you selected we...

Page 125: ...re is increased or lowered Code Description A 3 1 1 5 8 05 Modulated LWT 0 No Disabled 1 Yes Enabled N A 8 06 Maximum modulation Range 0 C 10 C INFORMATION When leaving water temperature modulation is...

Page 126: ...t operation is allowed 1 Reheat sched Same as 2 but between the scheduled heatup cycles reheat operation is allowed 2 Scheduled only The domestic hot water tank can ONLY be heated according to a sched...

Page 127: ...ensor 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 decre...

Page 128: ...Using weather dependent curves Configure weather dependent curves as following To define the setpoint mode To use the weather dependent curve you need to define the correct setpoint mode Go to setpoin...

Page 129: ...2 2 points curve 4128 10 4 Advanced configuration optimisation 10 4 1 Space heating cooling operation advanced Preset leaving water temperature You can define preset leaving water temperatures econom...

Page 130: ...um leaving water temperature at heating operation according to the specifications of the floor heating installation the minimum leaving water temperature at cooling operation to 18 20 C to prevent con...

Page 131: ...15 C 37 C A 3 1 2 2 4 9 08 Maximum temp cooling 18 C 22 C A 3 1 2 2 3 9 07 Minimum temp cooling 5 C 18 C Leaving water temperature overshoot temperature This function defines how much the water temper...

Page 132: ...ing the modulation results in better performance less On OFF faster heat up but note that depending on the heat emitter there MUST ALWAYS be a balance see the design and selection of the heat emitters...

Page 133: ...g 25 C 35 C A 3 2 1 3 3 09 Minimum temp cooling 15 C 25 C Room temperature step ONLY applicable in room thermostat control and when the temperature is displayed in C Code Description A 3 2 4 N A Room...

Page 134: ...07 Room frost protection Room thermostat control C 07 2 Allow for the room thermostat to take care of room frost protection Set 2 06 to 1 Set the room antifrost temperature 2 05 External room thermos...

Page 135: ...rature home page is ON on the user interface and the auto emergency setting A 6 C is set to 1 Additionally limited frost protection by the unit is possible In case of then the following applies One le...

Page 136: ...if 2 06 is set to 1 limited frost protection by the unit is possible When the leaving water temperature home page is OFF and the outdoor ambient temperature drops below 4 C then the unit will supply l...

Page 137: ...he operation of the unit in space heating or space cooling is prohibited Space heating OFF temp When the averaged outdoor temperature raises above this value space heating is turned OFF to avoid overh...

Page 138: ...hangeover from heating to cooling will occur when the room temperature rises above the maximum of the desired cooling temperature added by the hysteresis value thus 25 C and the desired heating temper...

Page 139: ...orage comfort When programming the schedule you can make use of the tank temperatures set as preset values The tank will then heat up until these setpoint temperatures have been reached Additionally a...

Page 140: ...ration 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 domest...

Page 141: ...erature when the outdoor temperature equals or rises above the high ambient temperature 35 C 6 0E C Also see 10 3 Weather dependent curve 4 127 for more information about weather dependent curves Heat...

Page 142: ...perature THP MAX 6 01 THP ON Heat pump ON temperature THP OFF 6 00 TDHW Domestic hot water temperature TU User setpoint temperature as set on the user interface t Time INFORMATION The maximum heat pum...

Page 143: ...1 request 0 no request t Time Disinfection Applies only to installations with a domestic hot water tank The disinfection function disinfects the domestic hot water tank by periodically heating the dom...

Page 144: ...rding to the applicable legislation CAUTION Make sure that the disinfection function start time A 4 4 3 with defined duration A 4 4 5 is NOT interrupted by possible domestic hot water demand NOTICE Di...

Page 145: ...operation then set 4 00 to 2 Auto emergency When the heat pump fails to operate the gas boiler can serve as an emergency back up heater and either automatically or non automatically take over the ent...

Page 146: ...cription N A C 02 Indicates if the space heating is also performed by means of another heat source than the system 0 No 1 Bivalent Installed The auxiliary boiler gas boiler oil burner will operate whe...

Page 147: ...etween the ON temperature and the OFF temperature 2 C 10 C Permission signal X1 X2 TA C 03 C 04 a b TA Outdoor temperature C 03 Bivalent ON temperature fixed a Auxiliary boiler active b Auxiliary boil...

Page 148: ...heating priority temperature Defines the outdoor temperature which below the backup heater will assist during domestic hot water heating N A 5 04 Setpoint correction for domestic hot water temperatur...

Page 149: ...signal is released again the voltage free contact will close and the unit will restart operation Therefore always enable the auto restart function 2 The outdoor unit is connected to a preferential kW...

Page 150: ...tact Remark 1 2 are related to preferential kWh rate power supply INFORMATION The preferential kWh rate power supply contact is connected to the same terminals X5M 9 10 as the safety thermostat for th...

Page 151: ...The limitation values are set in kW A 6 3 3 5 05 Amp value Only applicable in case of full time power limitation mode 0 A 50 A step 1 A A 6 3 4 5 09 kW value Only applicable in case of full time powe...

Page 152: ...ate for situations where the external outdoor ambient sensor cannot be installed on the ideal installation location see installation Code Description A 6 5 2 0B Ext amb sensor offset Offset on the amb...

Page 153: ...n is enabled the pump operation is possible at all outdoor temperatures Code Description N A F 00 Pump operation 0 Disabled if outdoor temperature is higher than 4 02 or lower than F 01 depending on h...

Page 154: ...nteed 5 8 default 6 Limitation when no actuators When there is no heating output the pump speed limitation is applicable When there is heating output the pump speed is only determined by delta T in re...

Page 155: ...sion level Actuators Operation modes Running hours Version Energy metering Consumed elec Produced energy Error information Error history Contact helpdesk number Version User interface Indoor unit Outd...

Page 156: ...Standard Unit type Compressor type Indoor software type Forced off contact Unit control method Number of LWT zones Pump operation mode Power saving possible User interface location Options DHW operat...

Page 157: ...J3V Daikin Altherma 3 R F 4P596821 1B 2021 10 INFORMATION Solar kit settings are shown but are NOT applicable for this unit Settings shall NOT be used or changed INFORMATION Depending on the selected...

Page 158: ...fter 36 h they will be automatically enabled Afterwards An installer can manually disable the protective functions by setting A 6 D Disable protections On After his work is done he can enable the prot...

Page 159: ...he indoor unit is properly mounted The outdoor unit is properly mounted The following field wiring has been carried out according to this document and the applicable legislation Between the local supp...

Page 160: ...To check the minimum flow rate Mandatory procedure for the additional zone 1 Confirm according to the hydraulic configuration which space heating loops can be closed due to mechanical electronic or o...

Page 161: ...anges the pump speed and switches the position of the 3 way valve between the space heating and the domestic hot water circuit Typical workflow Purging the air from the system should consist of 1 Perf...

Page 162: ...go to A 7 3 1 Installer settings Commissioning Air purge Type 3 Select Automatic and press 4 Go to A 7 3 4 Installer settings Commissioning Air purge Start air purge and press to start the air purge...

Page 163: ...ed for drying out the screed of an underfloor heating system during the construction of the building The UFH screed dryout function can be executed without finishing the outdoor installation In this c...

Page 164: ...2 0 D 01 0 4 08 0 4 01 1 The installer can program up to 20 steps For each step he needs to enter 1 the duration in hours up to 72 hours 2 the desired leaving water temperature up to 55 C Example t T...

Page 165: ...15 10 1 14d 12h 25 C Tue Screed dryout Current step Remaining Desired LWT Stop To readout the status of an underfloor heating screed dryout 1 Press 2 The current step of the program the total remaini...

Page 166: ...ERLA03DAV3 EHFZ03S18DJ3V Daikin Altherma 3 R F 4P596821 1B 2021 10 5 Go to A 7 2 Installer settings Commissioning UFH screed dryout Dryout status Stopped at and followed by the last executed step 6 M...

Page 167: ...ing 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 co...

Page 168: ...tdoor unit 169 13 3 Checklist for yearly maintenance of the indoor unit 169 13 3 1 To drain the domestic hot water tank 172 13 4 About cleaning the water filter in case of trouble 172 13 4 1 To remove...

Page 169: ...essure or too high pressure leading to worse performance 13 3 Checklist for yearly maintenance of the indoor unit Check the following at least once a year Water pressure Water filters Magnetic filter...

Page 170: ...er circuit If required add water NOTICE When checking the magnetic filter dirt separator for tightness hold it firmly so as NOT to apply stress to the water piping Do NOT isolate the magnetic filter d...

Page 171: ...st be high enough Check if the water coming out of the relief valve is clean If it contains debris or dirt Open the valve until the discharged water does not contain debris or dirt anymore Flush and c...

Page 172: ...nterface Prerequisite Turn OFF the respective circuit breaker Prerequisite Close the cold water supply Prerequisite Open all the hot water tapping points to allow air to enter the system 1 Remove the...

Page 173: ...7 Remove the 2 clips that fix the water filter a b a a Clip b Magnetic filter dirt separator 8 Remove the water filter 9 Remove the drain hose from the water filter NOTICE Although the water circuit i...

Page 174: ...up filter and strainer in the water filter housing INFORMATION Correctly install the strainer in the magnetic filter dirt separator housing using the protrusions a b c c a Rolled up filter b Strainer...

Page 175: ...s 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 water circuit towards the expa...

Page 176: ...point is temporarily unusually high 182 14 3 10 Symptom Decoration panels are pushed away due to a swollen tank 182 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error 182...

Page 177: ...too low Check and make sure that All 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...

Page 178: ...nd electrical connections do NOT match This should match with the connections as explained in 9 3 1 To connect the main power supply 494 9 1 4 About preferential kWh rate power supply 489 9 1 5 Overvi...

Page 179: ...4 Symptom The pump is blocked Possible causes Corrective action If the unit has been powered off for a long time lime might block the rotor of the pump Use a Philips No 2 screwdriver to push the debl...

Page 180: ...on is too high Make sure that the water volume in the installation is below the maximum allowed value see 8 5 3 To check the water volume and flow rate 478 and 8 5 4 Changing the pre pressure of the e...

Page 181: ...n the system The air purge operation The backup heater equilibrium temperature has not been configured correctly Increase the equilibrium temperature to activate the backup heater operation at a highe...

Page 182: ...the Domestic hot water Type Reheat or Reheat sched is selected it is recommended to program the start up of the disinfection function at least 4 hours later than the last expected large hot water tap...

Page 183: ...E1 00 OU PCB defect Power reset required E3 00 OU Actuation of high pressure switch HPS Please contact your dealer E5 00 OU Overheat of inverter compressor motor Please contact your dealer E6 00 OU Co...

Page 184: ...ease contact your dealer F6 00 OU Abnormal high pressure in cooling Please contact your dealer FA 00 OU Abnormal high pressure actuation of HPS Please contact your dealer JA 00 OU Malfunction of high...

Page 185: ...ct your dealer U7 00 OU Transmission malfunction between main CPU INV CPU Please contact your dealer Error codes of the indoor unit Error code Detailed error code Description 7H 01 Water flow problem...

Page 186: ...ozen 89 02 Heat exchanger frozen 89 03 Heat exchanger frozen 89 05 Heat exchanger frozen 8F 00 Abnormal increase outlet water temperature DHW 8H 00 Abnormal increase outlet water temperature 8H 01 Ove...

Page 187: ...at exchanger temperature sensor problem Please contact your dealer CJ 02 Room temperature sensor problem Please contact your dealer EC 00 Abnormal increase tank temperature EC 04 Tank preheating H1 00...

Page 188: ...there is a normal tank heat up INFORMATION If the unit detects flow when the pump is not running an external device might be causing flow or there might be something wrong with the flow measuring dev...

Page 189: ...r tapping This 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...

Page 190: ...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...

Page 191: ...as stop valve 2 On the user interface start the pump down operation Go to A 6 E 1 Installer settings System operation Pump down Start pump down 3 After 2 minutes close the liquid stop valve with a hex...

Page 192: ...cument are NOT applicable A subset of the latest technical data is available on the regional Daikin website publicly accessible The full set of latest technical data is available on the Daikin Busines...

Page 193: ...CuT 7 0 CuT 7 0 CuT M R3T R2T R1T d a b f f g f h e e e c a Field piping liquid 6 4 mm flare connection b Field piping gas 9 5 mm flare connection c Stop valve liquid d Stop valve with service port ga...

Page 194: ...eating water OUT main mixed zone c1 Domestic hot water cold water IN B1PW Space heating water pressure sensor c2 Domestic hot water hot water OUT B2PR Refrigerant pressure sensor d1 Gas refrigerant IN...

Page 195: ...iagram For the power requirements refer to the nameplate For the power requirements refer to the nameplate Field wiring Field wiring Indoor Indoor Outdoor Outdoor Condenser Condenser Discharge Dischar...

Page 196: ...n motor MR4 MR30 Magnetic relay MRM10 MRM20 Magnetic relay PAM Pulse amplitude modulation PS Switching power supply Q1L Overload protector R1T Thermistor outdoor air R2T Thermistor heat exchanger R3T...

Page 197: ...e 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 he...

Page 198: ...PCB A8P Demand PCB A10P Main user interface PCB A13P LAN adapter A14P Optional user interface PCB A15P Receiver PCB wireless ON OFF thermostat CN A4P Connector DS1 A8P DIP switch F1B Overcurrent fuse...

Page 199: ...kWh rate power supply Only for normal power supply standard Only for normal power supply standard Only for preferential kWh rate power supply outdoor Only for preferential kWh rate power supply outdoo...

Page 200: ...nimum load Only for demand PCB option Only for demand PCB option Only for digital I O PCB option Only for digital I O PCB option Options ext heat source output alarm output Options external heat sourc...

Page 201: ...tional user interface Only for EKRUDAL1 Only for BRP069A61 or BRP069A62 Only for EKRTR1 wireless room thermostat Only for EKRTRB wireless room thermostat Only for KRTW wired room thermostat 5 core for...

Page 202: ...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...

Page 203: ...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 instructi...

Page 204: ...1 7 Field settings table Applicable units EHFZ03S18DJ3V Notes 1 Only applicable for models where cooling is possible 2 EHFZ03S18DJ3V 4P596829 1A 2021 10...

Page 205: ...zone heating WD curve R W 40 5 C step 1 C 10 C 7 7 2 1 0 02 Set weather dependent heating High ambient temp for LWT add zone heating WD curve R W 10 25 C step 1 C 15 C 7 7 2 1 0 01 Set weather depend...

Page 206: ...3 08 Room temp range Maximum temp cooling R W 25 35 C step A 3 2 4 35 C A 3 2 2 2 0A R W 5 5 C step 0 5 C 0 C A 3 2 4 R W 0 1 C 1 0 5 C Operation range A 3 3 1 4 02 R W 14 35 C step 1 C 22 C A 3 3 2 F...

Page 207: ...C step 1 C 12 C A 8 2 06 R W 0 Disabled 1 Enabled kW value Mode Amp value What is the disinfection target temperature How long must the tank temperature be maintained Room antifrost temperature Room f...

Page 208: ...0 6 0E C step 1 C 45 C A 8 6 0D R W 0 Reheat only 1 Reheat sched 2 Scheduled only Is the pump allowed during pipe freeze prevention What is the desired comfort storage temperature What is the desired...

Page 209: ...8 C 0E 0 A 8 D 00 R W 0 None 1 2 BUH only 3 A 8 D 01 R W 0 No 1 Active open 2 Active closed 3 Safety thermostat Contact type of preferential kWh rate PS installation What is the required alarm output...

Page 210: ...A 8 F 01 R W 10 35 C step 1 C 20 C A 8 F 02 3 A 8 F 03 5 A 8 F 04 0 A 8 F 05 0 A 8 F 09 R W 0 Disabled 1 Enabled A 8 F 0A 0 A 8 F 0B R W 0 No 1 Yes A 8 F 0C R W 0 No 1 Yes A 8 F 0D R W 0 Continuous 1...

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Daikin EHFZ03S18DJ3V, Installer'S Reference Manual

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