Daikin ETVZ16E6V7 Installer'S Reference Manual Download

Page: 245 / 284

Troubleshooting

Installer reference guide

245

EPRA14~18D + ET23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03

Error code

Description

E8-00

OU: Power input overvoltage

E9-00

Malfunction of electronic expansion valve

EA-00

OU: Cool/heat switchover problem

EA-01

4WV switching error

EC-00

Abnormal increase tank temperature

EC-04

Tank preheating

F3-00

OU: Malfunction 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)

H4-00

Malfunction of low pressure switch

H5-00

Malfunction of compressor overload protection

H6-00

OU: Malfunction of position detection sensor

H8-00

OU: Malfunction of compressor input (CT)
system

H9-00

OU: Malfunction of outdoor air thermistor

HC-00

Tank temperature sensor problem

HC-01

Second tank temperature sensor problem

HJ-10

Water pressure sensor abnormality

J3-00

OU: Malfunction of discharge pipe thermistor

J3-10

Compressor port thermistor abnormality

J5-00

Malfunction of suction pipe thermistor

J6-00

OU: Malfunction of heat exchanger thermistor

J6-07

OU: Malfunction of heat exchanger thermistor

J6-32

Leaving water temperature thermistor
Abnormality (outdoor unit)

J6-33

Sensor communication error

J8-00

Malfunction of refrigerant liquid thermistor

JA-00

OU: Malfunction of high pressure sensor

JC-00

Low pressure sensor abnormality

JC-01

Evaporator pressure abnormality

L1-00

Malfunction of INV PCB

Summary of Contents for ETVZ16E6V7

Page 1: ...reference guide Daikin Altherma 3 H HT F EPRA14D V3 EPRA16D V3 EPRA18D V3 EPRA14D W1 EPRA16D W1 EPRA18D W1 ETVZ16S18E 6V ETVZ16S23E 6V ETVZ16S18E 9W ETVZ16S23E 9W A B C Z 1 2 3 9 https daikintechnical...

Page 2: ...erview Application guidelines 33 6 2 Setting up the space heating cooling system 34 6 2 1 Multiple rooms Two LWT zones 35 6 3 Setting up an auxiliary heat source for space heating 37 6 4 Setting up th...

Page 3: ...ng 84 8 2 7 To fill the domestic hot water tank 87 8 2 8 To insulate the water piping 88 9 Electrical installation 89 9 1 About connecting the electrical wiring 89 9 1 1 Precautions when connecting th...

Page 4: ...ly maintenance outdoor unit overview 228 13 2 2 Yearly maintenance outdoor unit instructions 229 13 2 3 Yearly maintenance indoor unit overview 229 13 2 4 Yearly maintenance indoor unit instructions 2...

Page 5: ...o manually open the electronic expansion valves 249 15 1 2 Recovery mode 250 16 Technical data 252 16 1 Service space Outdoor unit 253 16 2 Piping diagram Outdoor unit 254 16 3 Piping diagram Indoor u...

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 Installe...

Page 7: ...s 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 download...

Page 8: ...r inspecting the unit Symbols used in the documentation Symbol Explanation Indicates a figure title or a reference to it Example 1 3 Figure title means Figure 3 in chapter 1 Indicates a table title or...

Page 9: ...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 Main...

Page 10: ...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...

Page 11: ...ing 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 eq...

Page 12: ...han the specified amount of refrigerant When the refrigerant system is to be opened refrigerant MUST be treated according to the applicable legislation NOTICE Make sure refrigerant piping installation...

Page 13: ...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 conne...

Page 14: ...WARNING After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before start...

Page 15: ...the radio waves a distance of 1 meter may NOT be sufficient NOTICE ONLY applicable if the power supply is three phase and the compressor has an ON OFF starting method If there exists the possibility o...

Page 16: ...1 Service space Outdoor unit 4253 Indoor unit See 7 1 3 Installation site requirements of the indoor unit 456 Special requirements for R32 see 7 1 1 Installation site requirements of the outdoor unit...

Page 17: ...ns from this manual See 7 4 Mounting the indoor unit 471 Piping installation see 8 Piping installation 473 WARNING Field piping method MUST be in accordance with the instructions from this manual See...

Page 18: ...cal 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 pha...

Page 19: ...d 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...

Page 20: ...he respective 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...

Page 21: ...39 1A 2022 03 Disposal see 15 Disposal 4248 WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating fa...

Page 22: ...its final installation position to prevent damage during transport Prepare in advance the path along which you want to bring the unit to its final installation position In this chapter 4 1 Outdoor un...

Page 23: ...in Altherma 3 H HT F 4P644739 1A 2022 03 Forklift or pallet truck Enter the pallet from the heavy side Manually After unpacking carry the unit using the slings attached to the unit See also 4 1 2 To u...

Page 24: ...4 About the box Installer reference guide 24 EPRA14 18D ETVZ16S18 23E Daikin Altherma 3 H HT F 4P644739 1A 2022 03 4 1 2 To unpack the outdoor unit 1 2 3 4...

Page 25: ...ain socket c Shut off valve with integrated filter d Thermistor fixture for installations in areas with low ambient temperatures e Compressor cover piece f Installation manual Outdoor unit g Disposal...

Page 26: ...ure bypass valve c Mounting plate screw for demand PCB EKRP1AHTA and digital I O PCB EKRP1HBAA d General safety precautions e Addendum book for optional equipment f Indoor unit installation manual g O...

Page 27: ...nce guide 27 EPRA14 18D ETVZ16S18 23E Daikin Altherma 3 H HT F 4P644739 1A 2022 03 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...

Page 28: ...8 5 1 2 Identification label Indoor unit 29 5 2 Combining units and options 29 5 2 1 Possible combinations of indoor unit and outdoor unit 29 5 2 2 Possible options for the outdoor unit 29 5 2 3 Possi...

Page 29: ...del series 6V Backup heater model 7 Model series 5 2 Combining units and options INFORMATION Certain options may NOT be available in your country 5 2 1 Possible combinations of indoor unit and outdoor...

Page 30: ...Remote sensor for wireless thermostat EKRTETS You can use the remote indoor temperature sensor EKRTETS only in combination with the wireless thermostat EKRTR1 or EKRTRB For installation instructions s...

Page 31: ...PC It gives the possibility to update the hydro software and EEPROM For installation instructions see Installation manual of the PC cable 10 1 2 To connect the PC cable to the switch box 4126 Heat pum...

Page 32: ...om that you want to control For installation instructions see the installation and operation manual of the Human Comfort Interface HCI as room thermostat and the addendum book for optional equipment S...

Page 33: ...ential kWh rate power supply 46 6 6 Setting up the power consumption control 47 6 6 1 Permanent power limitation 48 6 6 2 Power limitation activated by digital inputs 49 6 6 3 Power limitation process...

Page 34: ...osed contact thermo ON open contact thermo OFF 6 2 Setting up the space heating cooling system The heat pump system supplies leaving water to heat emitters in one or more rooms Because the system offe...

Page 35: ...pical installation consists of underfloor heating at a lower temperature and radiators at a higher water temperature In this document Main zone Zone with the lowest design temperature in heating and t...

Page 36: ...r unit The desired room temperature is set via the external thermostat and the thermostatic valves of the radiators in each room The heating demand signal from the external thermostat is connected to...

Page 37: ...h the heat pump system 6 3 Setting up an auxiliary heat source for space heating INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with room thermostat control OR exter...

Page 38: ...the auxiliary boiler controller to maximum 70 C Install an aquastat valve in the return water flow of the heat pump Set the aquastat valve to close above 70 C and to open below 70 C Install non retur...

Page 39: ...tivation of indoor unit field supply K2A Auxiliary relay for activation of boiler field supply Indoor Indoor unit Auto Automatic Boiler Boiler NOTICE Make sure the auxiliary contact has enough differe...

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

Page 41: ...ower the desired DHW tank temperature The heat pump itself can produce domestic hot water of maximum 63 C 57 C if outdoor temperature is low The electrical resistance integrated in the heat pump can i...

Page 42: ...nfiguration 4123 6 4 4 DHW pump for instant hot water Setup a b c d a Cold water IN b Hot water OUT shower field supply c DHW pump field supply d Recirculation connection By connecting a DHW pump inst...

Page 43: ...during disinfection see 2 03 in the field settings table you can connect a DHW pump and heater element as shown above If applicable legislation requires disinfection of the water piping until the tap...

Page 44: ...roduced heat will NOT be calculated nor will it be displayed on the user interface The produced heat is calculated internally based on The leaving and entering water temperature The flow rate Setup an...

Page 45: ...ption make sure ALL power input of the system is covered by the electrical power meters 6 5 3 Normal kWh rate power supply General rule One power meter that covers the entire system is sufficient Setu...

Page 46: ...he 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 se...

Page 47: ...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...

Page 48: ...e 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...

Page 49: ...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 Pow...

Page 50: ...d 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 a...

Page 51: ...nal 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 I...

Page 52: ...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 see Power saving function 4207 the outdoor...

Page 53: ...the outdoor unit 64 7 3 3 To provide the installation structure 64 7 3 4 To install the outdoor unit 65 7 3 5 To provide drainage 66 7 3 6 To install the discharge grille 67 7 3 7 To remove the disch...

Page 54: ...y start rotating very fast until it breaks It is recommended to install a baffle plate when the air outlet is exposed to wind It is recommended to install the outdoor unit with the air inlet facing th...

Page 55: ...ing c Outdoor unit d Windbreaker The outdoor unit is designed for outdoor installation only and for the following ambient temperatures Cooling mode 10 43 C Heating mode 28 35 C Special requirements fo...

Page 56: ...d at least 100 mm above the maximum expected level of snow See 7 3 Mounting the outdoor unit 463 for more details In heavy snowfall areas it is very important to select an installation site where the...

Page 57: ...ank full of water into account Make sure in the event of a water leak water cannot cause any damage to the installation space and surroundings Do NOT install the unit in places such as In places where...

Page 58: ...3 3 1 1 2 3 4 3 7 2 3 To remove the transportation stay NOTICE If the unit is operated with the transportation stay attached abnormal vibration or noise may be generated The transportation stays prot...

Page 59: ...essor mounting bolt and tighten to 10 1 N m of torque 4 b a a a a a a Screw b Transportation stay 4 Remove the screws a 5 from the transportation stay b Put 4 screws a aside for later use see 7 2 4 To...

Page 60: ...close the outdoor unit NOTICE When closing the outdoor unit cover make sure that the tightening torque does NOT exceed 4 1 N m 1 1 2 3 2 4 4 3 3 3 1 7 2 6 To open the indoor unit Overview a b d c e a...

Page 61: ...face panel Open the hinges at the top and slide the top panel upwards NOTICE If you remove the user interface panel also disconnect the cables from the back of the user interface panel to prevent dama...

Page 62: ...you need access to the high voltage components remove the high voltage switch box cover 4 T25 7 2 7 To lower the switch box on the indoor unit During the installation you will need access to the insi...

Page 63: ...e switch box 2 Put the switch box back into place 3 Reinstall the top panel 4 Reinstall the side panels 5 Reinstall the front panel 6 Reconnect the cables to the user interface panel 7 Reinstall the u...

Page 64: ...oor unit INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 410 7 1 Preparing the installation site 453 7 3 3 To provide the installation str...

Page 65: ...ition See 7 3 7 To remove the discharge grille and put the grille in safety position 469 8 0 0 479 a 150 mm 4 M12 a Make sure not to cover the drain hole in the bottom plate of the unit 7 3 4 To insta...

Page 66: ...it Avoid drain water flowing over the footpath so that it does NOT become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm...

Page 67: ...se the drain plug with O ring and a hose for drainage 1 2 a b c c 3 d a Drain hole b O ring delivered as accessory c Drain plug delivered as accessory d Hose field supply NOTICE O ring Make sure the O...

Page 68: ...rews 3 2 5 N m Install the upper part of the discharge grille NOTICE Vibrations Make sure the upper part of the discharge grille is attached seamlessly to the lower part to prevent vibrations 4 Align...

Page 69: ...e grille in safety position WARNING Rotating fan Before powering ON or servicing the outdoor unit make sure that the discharge grille covers the fan as protection against a rotating fan See 7 3 6 To i...

Page 70: ...0 EPRA14 18D ETVZ16S18 23E Daikin Altherma 3 H HT F 4P644739 1A 2022 03 4 3 Rotate the lower part of the discharge grille 4 Align the ball stud and hook on the grille with their counterparts on the un...

Page 71: ...INFORMATION Also read the precautions and requirements in the following chapters 2 General safety precautions 410 7 1 Preparing the installation site 453 7 4 3 To install the indoor unit 1 Lift the i...

Page 72: ...o 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...

Page 73: ...ng 83 8 2 5 To fill the water circuit 84 8 2 6 To protect the water circuit against freezing 84 8 2 7 To fill the domestic hot water tank 87 8 2 8 To insulate the water piping 88 8 1 Preparing water p...

Page 74: ...ternal static pressure of the pump See 16 Technical data 4252 for the external static pressure curves of the indoor unit Water flow You can find the minimum required water flow for indoor unit operati...

Page 75: ...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 ov...

Page 76: ...0 3 H 10 bar 8 1 3 To check the water volume and flow rate The indoor unit has an expansion vessel of 10 litre with a factory set pre pressure of 1 bar To make sure that the unit operates properly Yo...

Page 77: ...NOTICE The maximum water volume depends on whether glycol is added to the water circuit For more information on the addition of glycol refer to 8 2 6 To protect the water circuit against freezing 484...

Page 78: ...case it is recommended to install an extra vessel outside 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 hi...

Page 79: ...e pre pressure take following guidelines into account Only use dry nitrogen to set the expansion vessel pre pressure Inappropriate setting of the expansion vessel pre pressure will lead to malfunction...

Page 80: ...r piping to the outdoor unit 2 Connecting the water piping to the indoor unit 3 Connecting the recirculation piping 4 Connecting the drain hose to the drain 5 Filling the water circuit 6 Filling the d...

Page 81: ...on of the valve at the water inlet is mandatory Mind the flow direction of the valve NOTICE Install air purge valves at all local high points Indoor unit NOTICE Do NOT use excessive force when connect...

Page 82: ...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 leakag...

Page 83: ...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 relie...

Page 84: ...evention 4195 Drain prevention Only applicable when Bivalent is enabled C 02 1 This function prevents the opening of freeze protection valves in the water piping to the outdoor unit when the auxiliary...

Page 85: ...l absorbs water from its environment Therefore do NOT add glycol that has been exposed to air Leaving the cap off the glycol container causes the concentration of water to increase The glycol concentr...

Page 86: ...eeze When water is at standstill inside the system the system is very likely to freeze and get damaged Glycol and the maximum allowed water volume Adding glycol to the water circuit reduces the maximu...

Page 87: ...15 cm 10 cm c Isolation of water inside the house when there is a power interruption Normally closed valves located indoors near the piping entry exit points can prevent that all water from indoor pip...

Page 88: ...below table as a minimum with 0 039 W mK Piping length m Minimum insulation thickness mm 20 19 20 30 32 30 40 40 40 50 50 For other cases the minimum insulation thickness can be determined using the...

Page 89: ...tricity meters 109 9 3 5 To connect the domestic hot water pump 110 9 3 6 To connect the alarm output 111 9 3 7 To connect the space cooling heating ON OFF output 112 9 3 8 To connect the changeover t...

Page 90: ...o NOT install a phase advancing capacitor because this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING Rotating fan Before powerin...

Page 91: ...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...

Page 92: ...ates seasonal rates W rmepumpentarif in Germany and Austria This equipment allows for connection to such preferential kWh rate power supply delivery systems Consult with the electricity company acting...

Page 93: ...ntial 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 sup...

Page 94: ...ength may cause electrical shock or leakage 3 Insert the cables at the back of the unit and route them through the factory mounted cable sleeves into the switch box d c2 b2 c1 b1 a1 a2 a1 a2 Power sup...

Page 95: ...BLU YLW GRN b a L N a Power supply cable field supply b Field wiring F1B Overcurrent fuse field supply Recommended fuse 2 pole 32 A fuse C curve Q1DI Earth leakage circuit breaker 30 mA field supply...

Page 96: ...Drain tube heater cable Make sure the heating element of the drain tube heater is completely inside the drain tube Route the cable through the frame Connect the wires to the terminal block and the ea...

Page 97: ...4A to X806A X806A X804A X805A INFORMATION Power saving function The power saving function is only applicable for V3 models For more information about the power saving function 9 F or overview field se...

Page 98: ...GRN a Power supply cable field supply b Field wiring F1B Overcurrent fuse field supply Recommended fuse 4 pole 16 A or 20 A fuse C curve Q1DI Earth leakage circuit breaker 30 mA field supply 2 Interc...

Page 99: ...Drain tube heater cable Make sure the heating element of the drain tube heater is completely inside the drain tube Route the cable through the frame Connect the wires to the terminal block and the ea...

Page 100: ...16S18 23E Daikin Altherma 3 H HT F 4P644739 1A 2022 03 1 2 9 2 2 To reposition the air thermistor on the outdoor unit This procedure is only necessary in areas with low ambient temperatures Required a...

Page 101: ...alarm output 4111 Space cooling heating operation control See 9 3 7 To connect the space cooling heating ON OFF output 4112 Changeover to external heat source control See 9 3 8 To connect the changeov...

Page 102: ...ion manual of the heat pump convector options Addendum book for optional equipment Wires 0 75 mm Maximum running current 100 mA For the main zone 2 9 Control 2 A Ext thermostat type For the additional...

Page 103: ...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 equipment Wired room th...

Page 104: ...nnection cable main power supply In case of preferential kWh rate power supply Interconnection cable main power supply Wires 3 GND 1 5 mm Normal kWh rate power supply Wires 1N Maximum running current...

Page 105: ...s INFORMATION In case of preferential kWh rate power supply connect X11Y to X11YB The necessity of separate normal kWh rate power supply to indoor unit b X2M 5 6 depends on the type of preferential kW...

Page 106: ...ical equipment complying with EN IEC 61000 3 12 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage systems with in...

Page 107: ...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...

Page 108: ...pump convectors install a shut off valve before the underfloor heating to prevent condensation on the floor during cooling operation Wires 2 0 75 mm Maximum running current 100 mA 230 V AC supplied b...

Page 109: ...s 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 X...

Page 110: ...5 To connect the domestic hot water pump Wires 2 GND 0 75 mm DHW pump output Maximum load 2 A inrush 230 V AC 1 A continuous 9 2 2 DHW pump 9 2 3 DHW pump schedule 1 Open the following see 7 2 6 To op...

Page 111: ...put Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC 9 D Alarm output 1 Open the following see 7 2 6 To open the indoor unit 460 1 Top panel 1 2 3 2 User interface panel 3 Upper switch box cover 2 Connec...

Page 112: ...tie mountings 9 3 7 To connect the space cooling heating ON OFF output Wires 2 1 0 75 mm Maximum load 0 3 A 250 V AC 1 Open the following see 7 2 6 To open the indoor unit 460 1 Top panel 1 2 3 2 User...

Page 113: ...ings 9 3 8 To connect the changeover to external heat source INFORMATION Bivalent is only possible in case of 1 leaving water temperature zone with room thermostat control OR external room thermostat...

Page 114: ...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 c...

Page 115: ...TA 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 6 To open the indoor unit 460 1 T...

Page 116: ...fety 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 wil...

Page 117: ...tat 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 INFORMATION ALWAYS configure the safety thermostat for the...

Page 118: ...art Grid contacts Wires Smart Grid pulse meter 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 he...

Page 119: ...rt 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...

Page 120: ...s 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 Wir...

Page 121: ...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 t...

Page 122: ...9 Electrical installation Installer reference guide 122 EPRA14 18D ETVZ16S18 23E Daikin Altherma 3 H HT F 4P644739 1A 2022 03 Without low voltage cables With low voltage cables...

Page 123: ...weather dependent curves 141 10 5 Settings menu 143 10 5 1 Malfunctioning 143 10 5 2 Room 144 10 5 3 Main zone 148 10 5 4 Additional zone 159 10 5 5 Space heating cooling 164 10 5 6 Tank 173 10 5 7 U...

Page 124: ...hods 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 bre...

Page 125: ...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 l...

Page 126: ...ng 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 box of the i...

Page 127: ...ettings 4187 Backup heater type 9 3 1 Domestic hot water 9 2 1 Emergency 9 5 Number of zones 4 4 10 5 5 Space heating cooling 4164 Glycol Filled system overview field setting E 0D 10 5 9 Installer set...

Page 128: ...y 3 9 Setpoint mode 3 4 Heating WD curve 3 5 if applicable Cooling WD curve 3 6 if applicable Schedule 3 1 WD curve type 3 C read only Tank Heat up mode 5 6 10 5 6 Tank 4173 Comfort setpoint 5 2 Eco s...

Page 129: ...j e2 l k1 k2 k3 45 d e1 g3 g2 h1 g1 f i2 i3 i4 h2 i1 a2 a1 e3 b c Possible actions on this screen Go through the list of the main menu Go to the main menu screen Enable disable breadcrumbs Item Descr...

Page 130: ...n zone i1 Installed room thermostat type Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface BRC1HHDA used as room thermostat Unit operation is decided...

Page 131: ...on A malfunction occurred See 14 4 1 To display the help text in case of a malfunction 4243 for more information a If the corresponding operation for example space heating is not active the circle is...

Page 132: ...e heating cooling Shows the applicable symbol of your unit Put the unit in heating mode or cooling mode You cannot change the mode on heating only models 5 Tank Set the domestic hot water tank tempera...

Page 133: ...3 Additional zone screen 45 C 3 Additional zone 5 Tank temperature screen 50 C 5 Tank Explanation a1 d d e d e c a2 b1 b2 Possible actions on this screen Go through the list of the submenu Go to the...

Page 134: ...The procedures to program other schedules are similar To program the schedule overview Example You want to program the following schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 Prerequisite The ro...

Page 135: ...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 ex...

Page 136: ...lear 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...

Page 137: ...his 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...

Page 138: ...ndent 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...

Page 139: ...e 10 4 4 Using weather dependent curves 4141 Availability The weather dependent curve is available for Main zone Heating Main zone Cooling Additional zone Heating Additional zone Cooling Tank only ava...

Page 140: ...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 e...

Page 141: ...one 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...

Page 142: ...nge 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 ty...

Page 143: ...ependent 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 out...

Page 144: ...point screen Control the room temperature of the main zone via setpoint screen 1 Room See 10 3 5 Setpoint screen 4133 Schedule Indicate if the room temperature is controlled according to a schedule or...

Page 145: ...ce heating cooling On Room thermostat control C 07 2 Allow for the dedicated Human Comfort Interface BRC1HHDA used as room thermostat to take care of room frost protection Set antifrost 1 4 1 Activati...

Page 146: ...off However if 1 4 1 Antifrost is activated limited frost protection by the unit is possible In case of 1 leaving water temperature zone If Then Space heating cooling Off and Outdoor ambient temperatu...

Page 147: ...nctionality is on 1 4 2 2 05 Room setpoint 4 C 16 C INFORMATION When the dedicated Human Comfort Interface BRC1HHDA used as room thermostat is disconnected because of incorrect wiring or damage of the...

Page 148: ...thermostat Offset on the actual room temperature measured by the Human Comfort Interface 5 C 5 C step 0 5 C 1 7 2 09 Room sensor offset external room sensor option Only applicable if the external room...

Page 149: ...n 2 Main zone See 10 3 5 Setpoint screen 4133 Schedule Indicate if the temperature of the leaving water is defined according to a schedule or not Influence of the LWT setpoint mode 2 4 is as follows I...

Page 150: ...or 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...

Page 151: ...zone Ta Outdoor temperature 1 00 Low outdoor ambient temperature 40 C 5 C 1 01 High outdoor ambient temperature 10 C 25 C 1 02 Desired leaving water temperature when the outdoor temperature equals or...

Page 152: ...gher than 1 09 as for low outdoor temperatures less cold water is required 1 09 Desired leaving water temperature when the outdoor temperature equals or rises above the high ambient temperature 9 03 C...

Page 153: ...n 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...

Page 154: ...sted 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 o...

Page 155: ...t pump convector Room thermostat Unit operation is decided based on the ambient temperature of the dedicated Human Comfort Interface BRC1HHDA used as room thermostat Code Description 2 9 C 07 0 Leavin...

Page 156: ...eating for the main zone the target delta T temperature difference depends on the selected emitter type for the main zone Delta T is the absolute value of the temperature difference between the leavin...

Page 157: ...ation of heat emitters in cooling mode 3 C 10 C Leaving water temperature Modulation Only applicable in case of room thermostat control When using the room thermostat functionality the customer needs...

Page 158: ...o a higher position it cannot drop below the minimum setpoint See the illustration below a 8 06 8 06 b Ta Tt a Weather dependent curve b Minimum leaving water temperature setpoint required to reach a...

Page 159: ...alve closes when the unit is running in cooling operation mode Enable this setting to avoid cold leaving water through the heat emitter and the forming of condensation e g under floor heating loops or...

Page 160: ...e for the additional zone via setpoint screen 3 Additional zone See 10 3 5 Setpoint screen 4133 Schedule Indicates if the desired leaving water temperature is according to a schedule See 10 5 3 Main z...

Page 161: ...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 1...

Page 162: ...erature 25 C 43 C 0 05 Desired leaving water temperature when the outdoor temperature equals or drops below the low ambient temperature 9 07 C 9 08 C Note This value should be higher than 0 04 as for...

Page 163: ...ighest leaving water temperature in heating operation and the lowest leaving water temperature in cooling operation 3 8 1 9 05 Heating minimum 15 C 37 C 3 8 2 9 06 Heating maximum 2 0D 2 emitter type...

Page 164: ...fixed to 10 C Else 3 C 10 C For E7 models If 2 0D 2 10 C 12 C Else 3 C 12 C 3 B 2 1 0E Delta T cooling A minimum temperature difference is required for the good operation of heat emitters in cooling m...

Page 165: ...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...

Page 166: ...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...

Page 167: ...ting temperature Example A unit is configured as following Desired room temperature in heating mode 22 C Desired room temperature in cooling mode 24 C Hysteresis value 1 C Offset 4 C Changeover from h...

Page 168: ...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...

Page 169: ...e you set the emitter types for the main zone 2 7 and for the additional zone 3 7 correctly in accordance with the connected emitter Pump operation mode When the space heating cooling operation is OFF...

Page 170: ...ONLY available in leaving water temperature control a b d e f c g b c a Space heating cooling control b Off c On d LWT temperature e Actual f Desired g Pump operation 4 5 F 0D 2 Request Pump operation...

Page 171: ...s Value Description 0 No limitation 1 4 General limitation There is limitation in all conditions The required delta T control and comfort are NOT guaranteed 1 90 pump speed 2 80 pump speed 3 70 pump s...

Page 172: ...abled the pump operation is possible at all outdoor temperatures Code Description 4 9 F 00 Pump operation 0 Disabled if outdoor temperature is higher than 4 02 or lower than F 01 depending on heating...

Page 173: ...rops below the desired leaving water temperature Code Description 4 B 9 04 Overshoot 1 C 4 C Undershoot Restriction This function is only applicable in cooling mode during compressor startup It is NOT...

Page 174: ...operation to immediately start heating up the water to the preset value Storage comfort However this consumes extra energy If powerful operation is active will be shown on the home screen To activate...

Page 175: ...denotes the lower desired tank temperature It is the desired temperature when a storage economic action is scheduled preferably during day Code Description 5 3 6 0B Eco setpoint 30 C min 50 6 0E C Reh...

Page 176: ...a schedule See the operation manual for more details Disinfection Applies only to installations with a domestic hot water tank The disinfection function disinfects the domestic hot water tank by perio...

Page 177: ...by possible domestic hot water demand NOTICE Disinfection mode Even if you turn OFF tank heating operation C 3 Operation Tank disinfection mode will remain active However if you turn it OFF while disi...

Page 178: ...rature drops below the reheat temperature minus the heat pump ON hysteresis temperature the tank heats up to the reheat temperature The minimum ON temperature is 20 C even if setpoint hysteresis is sm...

Page 179: ...0B 0 0E 0 0D TDHW The desired tank temperature Ta The averaged outdoor ambient temperature 0 0E low outdoor ambient temperature 40 C 5 C 0 0D high outdoor ambient temperature 10 C 25 C 0 0C desired t...

Page 180: ...eat 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 h...

Page 181: ...nabled 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 Du...

Page 182: ...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 Ma...

Page 183: ...ult The user or you can program the schedule in 7 4 2 Schedule For more information about scheduling see 10 3 7 Schedule screen Example 4134 You can configure restrictions in 7 4 4 Restrictions See be...

Page 184: ...rice Only applicable in combination with the bivalent function See also Bivalent 4203 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 L...

Page 185: ...n 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 reimb...

Page 186: ...ted 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 Operatio...

Page 187: ...Room tank or domestic hot water outside and leaving water temperature if applicable 8 5 Actuators Status mode of each actuator Example Domestic hot water pump ON OFF 8 6 Operation modes Current operat...

Page 188: ...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 struc...

Page 189: ...m a domestic hot water pump schedule to determine when to turn on and off the pump When turned on the pump runs and makes sure hot water is instantly available at the tap To save energy only turn on t...

Page 190: ...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...

Page 191: ...to your system when performing a space heating test run see 11 4 3 Operation test run 4221 depending on the actual water volume of the system Code Description 9 3 6 5 00 Equilibrium Deactivate backup...

Page 192: ...n Emergency is set to Manual and a heat pump failure occurs the domestic hot water heating and space heating stops To manually recover it via the user interface go to the Malfunctioning main menu scre...

Page 193: ...led 1 enabled Glycol filled system Glycol Filled system This setting gives the installer the possibility to indicate whether the system is filled with glycol or water This is important in case glycol...

Page 194: ...water temperature to be applied at low outdoor temperature when space heating priority is enabled The corrected higher setpoint will make sure that the total heat capacity of the water in the tank re...

Page 195: ...here is a request for space heating or cooling If there is NO request for space heating cooling the tank is heated until the setpoint has been reached When Control Room thermostat This preset value is...

Page 196: ...ich heaters are allowed to operate during preferential kWh rate power supply 0 No None 1 Only BSH Booster heater only 2 Only BUH Backup heater only 3 All All heaters See also below table Allowed heate...

Page 197: ...unction 2 Closed The outdoor unit is connected to a preferential kWh rate power supply When the preferential kWh rate signal is sent by the electricity company the contact will close and the unit will...

Page 198: ...nels The unit limits its power consumption during the Smart Grid s Recommended ON mode to only use the power provided by the photovoltaic panels However when the pulse meter is not available you can s...

Page 199: ...oom only in case of room thermostat control or in the DHW tank instead of putting the photovoltaic panel energy on the grid In case of room buffering the room will heat up or cool down to the comfort...

Page 200: ...ll be limited when the corresponding digital input asks 9 9 2 4 09 Type 0 Amp The limitation values are set in A 1 kW The limitation values are set in kW Limit when 9 9 1 Continuous and 9 9 2 Amp Code...

Page 201: ...ce is set to Swedish NOTICE 2 weeks to change After you activated BBR16 you only have 2 weeks to change its settings BBR16 activation and BBR16 power limit After 2 weeks the unit freezes these setting...

Page 202: ...sensor Code Description 9 B 1 C 08 External sensor When an optional external ambient sensor is connected the type of the sensor must be set 0 None NOT installed The thermistor in the dedicated Human...

Page 203: ...selected time period Code Description 9 B 3 1 0A Averaging time 0 No averaging 1 12 hours 2 24 hours 3 48 hours 4 72 hours Bivalent Bivalent Only applicable in case of auxiliary boiler INFORMATION Bi...

Page 204: ...tem calculates a value Tcalc which is variable between C 03 and C 03 C 04 TA Tcalc C 03 C 04 3 C C 03 a b TA Outdoor temperature Tcalc Bivalent ON temperature variable Below this temperature the auxil...

Page 205: ...city price and gas price example both c kWh 2 Determine the value of C 03 using the graph For an example see the table legend 14 0 1 2 3 4 5 6 12 10 8 6 4 2 0 2 4 6 8 10 12 14 COP 10 5 b 2 5 a a C 03...

Page 206: ...indoor unit error malfunctioning Low level errors caution warning will NOT be transmitted to alarm output 0 Abnormal The alarm output will be powered when an alarm occurs By setting this value a disti...

Page 207: ...er demand The final decision to allow power interruption of the outdoor unit during standstill depends on the ambient temperature compressor conditions and minimum internal timers To enable the power...

Page 208: ...be done using the menu structure If for any reason it is required to change a setting using the overview settings then the overview settings can be accessed in the field settings overview 9 I See To m...

Page 209: ...A 2 Actuator test run A 3 Air purge A 4 UFH screed dryout About commissioning See 11 Commissioning 4215 10 5 11 User profile B User profile See To change the user permission level 4124 B User profile...

Page 210: ...the submenu D Wireless gateway Malfunctioning Operation User profile Room D Wireless gateway D 1 Mode D 2 Reboot D 3 WPS D 4 Remove from cloud D 5 Home network connection D 6 Cloud connection About t...

Page 211: ...www onlinecontroller daikineurope com Configuration To configure the ONECTA app follow the in app instructions While doing this the following actions and information are needed on the user interface M...

Page 212: ...Home network connection Read out the status of the connection to the home network Code Description D 5 N A Home network connection Disconnected from WLAN_SSID Connected to WLAN_SSID Cloud connection...

Page 213: ...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...

Page 214: ...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 D...

Page 215: ...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 t...

Page 216: ...nstallation 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...

Page 217: ...me and flow rate in 8 1 Preparing water piping 473 To perform an air purge To perform a test run To perform an actuator test run Underfloor screed dryout function The underfloor screed dryout function...

Page 218: ...talling the unit it is very important to remove all air in the water circuit When the air purge function is running the pump operates without actual operation of the unit and the removal of air in the...

Page 219: ...e automatic air purge until you are sure that all air is removed from the system During air purge function pump speed limitation 9 0D is NOT applicable The air purge function automatically stops after...

Page 220: ...elect Start air purge 5 Select OK to confirm Result The air purge starts It stops automatically when ready 6 During manual operation You can change the pump speed You must change the circuit To change...

Page 221: ...in the logic to activate the backup heater see Equilibrium 4191 When part of the emitters are closed this might result in more frequent backup heater operation INFORMATION The test run only applies to...

Page 222: ...ked by monitoring its leaving water temperature heating cooling mode and tank temperature domestic hot water mode To monitor the temperatures 1 In the menu go to Sensors 2 Select the temperature infor...

Page 223: ...rer 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 manufac...

Page 224: ...e 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...

Page 225: ...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 prog...

Page 226: ...03 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 stop...

Page 227: ...g 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 comp...

Page 228: ...is chapter 13 1 Maintenance safety precautions 228 13 2 Yearly maintenance 228 13 2 1 Yearly maintenance outdoor unit overview 228 13 2 2 Yearly maintenance outdoor unit instructions 229 13 2 3 Yearly...

Page 229: ...ter NOTICE Handle the filter with care To prevent damage to the mesh of the filter do NOT use excessive force when you reinsert it 1 3 2 13 2 3 Yearly maintenance indoor unit overview Water pressure W...

Page 230: ...t can be collected in a suitable container bottle sink 4 Open the drain valve for a couple of seconds c Result Water and dirt will come out 5 Close the drain valve 6 Screw the drain cap back on 7 Reat...

Page 231: ...e hose Check whether the pressure relief valve hose is positioned appropriately to drain the water See 7 4 4 To connect the drain hose to the drain 472 Pressure relief valve of the domestic hot water...

Page 232: ...chemical disinfection make sure water quality still complies with EU directive 2020 2184 13 3 To drain the domestic hot water tank DANGER RISK OF BURNING SCALDING The water in the tank can be very hot...

Page 233: ...in a bottle sink using the installed drain hose 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...

Page 234: ...ed 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 Strain...

Page 235: ...ps 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 exp...

Page 236: ...oise cavitation 240 14 3 7 Symptom The pressure relief valve opens 240 14 3 8 Symptom The water pressure relief valve leaks 241 14 3 9 Symptom The space is NOT sufficiently heated at low outdoor tempe...

Page 237: ...ving problems based on symptoms 14 3 1 Symptom The unit is NOT heating or cooling as expected Possible causes Corrective action The temperature setting is NOT correct Check the temperature setting on...

Page 238: ...can start If the backup heater doesn t start either check and make sure that The power supply to the backup heater is correctly wired The backup heater thermal protector is NOT activated The backup h...

Page 239: ...t to be performed by the installer If you purge air from the heat emitters or collectors mind the following WARNING Air purging heat emitters or collectors Before you purge air from heat emitters or c...

Page 240: ...s correct see 8 1 4 Changing the pre pressure of the expansion vessel 479 14 3 7 Symptom The pressure relief valve opens Possible causes Corrective action The expansion vessel is broken Replace the ex...

Page 241: ...ctive action The backup heater operation is not activated Check the following The backup heater operation mode is enabled Go to 9 3 8 Installer settings Backup heater Operation 4 00 The backup heater...

Page 242: ...Replace the pressure relief valve 14 3 11 Symptom Tank disinfection function is NOT completed correctly AH error Possible causes Corrective action The disinfection function was interrupted by domestic...

Page 243: ...on the following will appear on the home screen depending on the severity Error Malfunction You can get a short and a long description of the malfunction as follows 1 Press the left dial to open the m...

Page 244: ...at 8H 03 Overheating water circuit thermostat A1 00 Zero cross detection problem A5 00 OU High pressure peak cut freeze protection problem AA 01 Backup heater overheated or BUH power cable not connect...

Page 245: ...H5 00 Malfunction of compressor overload protection H6 00 OU Malfunction of position detection sensor H8 00 OU Malfunction of compressor input CT system H9 00 OU Malfunction of outdoor air thermistor...

Page 246: ...PJ 00 Capacity setting mismatch U0 00 OU Shortage of refrigerant U1 00 Malfunction by reverse phase open phase U2 00 OU Defect of power supply voltage U3 00 Underfloor heating screed dryout function...

Page 247: ...rogram 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...

Page 248: ...over refrigerant Make sure the valves Y1E Y3E Y2S Y3S Y4S are open If they are not open during refrigerant recovery refrigerant remains trapped in the unit a Y2S Y3S Y4S Y3E Y1E a Service port 5 16 fl...

Page 249: ...pansion valves 4249 2 Recover refrigerant from the service port a 15 1 1 To manually open the electronic expansion valves Before recovering refrigerant make sure the electronic expansion valves are op...

Page 250: ...3 EPRA14 18DAW1 H1P H7P 7 LEDs display BS1 BS4 Push buttons Operate the push buttons with an insulated stick such as a closed ballpoint pen to avoid touching of live parts To activate the recovery mod...

Page 251: ...s To deactivate the recovery mode After recovering refrigerant deactivate the recovery mode as follows Procedure 7 LEDs display a H1P H2P H3P H4P H5P H6P H7P 1 Press and hold BS1 for 5 seconds 2 Press...

Page 252: ...plicable 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 Business Portal authenti...

Page 253: ...C D E HB HU HD 150 H U The symbols can be interpreted as follows A C Right side and left side obstacles walls baffle plates B Suction side obstacle wall baffle plate D Discharge side obstacle wall baf...

Page 254: ...d Pinched pipe R5T Air heat exchanger middle e Refrigerant filter R6T Refrigerant liquid f One way valve R7T Compressor shell g Economiser heat exchanger R8T Compressor port h Service port 5 16 flare...

Page 255: ...1 q Loose nut 1 b2 Space heating main mixed zone Water OUT screw connection 1 B1PW Space heating water pressure sensor c1 DHW Cold water IN screw connection 3 4 B2L Flow sensor c2 DHW Hot water OUT s...

Page 256: ...tronic component assembly Electronic component assembly Front side view Front side view Indoor Indoor OFF OFF ON ON Outdoor Outdoor Position of compressor terminal Position of compressor terminal Posi...

Page 257: ...g of the selector switch DS1 7 only for W1 models Ferrite core Z8C consists of 2 separate core parts Legend in case of V3 models A1P Printed circuit board main A2P Printed circuit board noise filter A...

Page 258: ...ssor suction R4T Thermistor air heat exchanger distributor R5T Thermistor air heat exchanger middle R6T Thermistor refrigerant liquid R7T Thermistor compressor shell R8T Thermistor compressor port R9T...

Page 259: ...E1HHEX Plate heat exchanger heater F1U Field fuse field supply F1U F7U A1P A2P Fuse H1P H7P A1P Light emitting diode service monitor is orange HAP A1P A2P Light emitting diode service monitor is gree...

Page 260: ...11T Thermistor fin S1NPH High pressure sensor S1PH S2PH High pressure switch S1PL Low pressure switch T1A Current transfo V1R V2R A2P IGBT power module V3R A2P Diode module X1M X2M Terminal strip Y1E...

Page 261: ...x 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...

Page 262: ...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 t...

Page 263: ...ackup heater power supply terminal strip X10M Smart Grid power supply terminal strip X X A J X H X Y Connector X M Terminal strip Optional Field supply Translation of text on wiring diagram English Tr...

Page 264: ...upplied 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 smartgr...

Page 265: ...etection 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 O...

Page 266: ...ion 4 core for H only operation 3 core for C H operation 2 core for H only operation communication 2 core OPTIONAL PART External room thermostat Heat pump convector main and or additional zone main X2...

Page 267: ...40 45 50 55 60 65 10 C D A kPa E F1 F2 A External static pressure in the space heating cooling circuit B Water flow rate through the unit in the space heating cooling circuit C Operation range D Minim...

Page 268: ...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 instruct...

Page 269: ...Applicable indoor units ETVZ16S18E 6V ETVZ16S23E 6V ETVZ16S18E 9W ETVZ16S23E 9W Notes 1 6V 2 9W 3 Only applicable for models where cooling is possible 4 E model E 6V 9W 5 E7 model E 6V7 9W7 A B C Z 1...

Page 270: ...step 1 C 55 C 2 8 3 9 03 R W 5 18 C step 1 C 7 C 3 2 8 4 9 02 R W 18 22 C step 1 C 22 C 3 Main zone 2 9 C 07 R W 0 LWT control 1 Ext RT control 2 RT control 2 A C 05 R W 0 1 1 contact 2 2 contacts Del...

Page 271: ...C step 1 C 35 C 4 3 2 F 01 R W 10 35 C step 1 C 20 C 3 Space heating cooling 4 4 7 02 R W 0 1 LWT zone 1 2 LWT zones 4 5 F 0D R W 0 Continuous 1 Sample 2 Request 4 6 E 02 R W 3 R O 0 Reversible 3 1 He...

Page 272: ...ep 1 C 2 C 5 E R O 0 2 points 1 Slope Offset User settings Quiet 7 4 1 R W 0 OFF 1 Manual 2 Automatic 7 4 3 R W 0 Quiet 1 More Quiet 2 Most Quiet Electricity price 7 5 1 R W 0 00 990 kWh 1 kWh 7 5 2 R...

Page 273: ...1 C 20 C 3 Tank 9 1 B 1 6 0D R W 0 Reheat only 1 Reheat sched 2 Scheduled only 9 1 B 2 6 0A R W 30 6 0E C step 1 C 60 C 9 1 B 3 6 0B R W 30 min 50 6 0E C step 1 C 45 C 9 1 B 4 6 0C R W 30 min 50 6 0E...

Page 274: ...aller settings 9 7 4 04 R W 0 Intermittent 1 Continuous 2 Off Benefit kWh power supply 9 8 2 D 00 R W 0 None 1 BSH only 2 BUH only 3 All heaters 9 8 3 D 05 R W 0 Forced off 1 As normal 9 8 4 D 01 R W...

Page 275: ...1 C 22 C 3 9 I 0 06 R W 25 43 C step 1 C 35 C 3 9 I 0 07 R W 10 25 C step 1 C 20 C 3 9 I 0 0B R W 35 6 0E C step 1 C 55 C 9 I 0 0C R W 45 6 0E C step 1 C 4 Min 45 6 0E 6 0E C step 1 C 5 60 C 9 I 0 0D...

Page 276: ...What is the maximum desired room temperature in heating What is the mimimum desired room temperature in heating What is the maximum desired room temperature in cooling What is the minimum desired room...

Page 277: ...duled only 9 I 6 0E R W 40 65 C step 1 C 65 C 9 I 7 00 R W 0 4 C step 1 C 0 C 9 I 7 01 R W 2 40 C step 1 C 2 C Domestic hot water booster heater hysteresis What is the desired comfort storage temperat...

Page 278: ...9 I C 00 R O 0 Solar priority 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 Is an external backup heat source connected Bivalent activation temperature...

Page 279: ...I E 05 R O 0 No 1 Yes 9 I E 06 1 9 I E 07 R O 1 Integrated 9 I E 08 R W 0 disabled 1 Enabled 9 I E 09 1 9 I E 0B R O 1 Yes 9 I E 0C 0 9 I E 0D R W 0 No 1 Yes 9 I E 0E 0 9 I F 00 R W 0 Disabled 1 Enab...

Page 280: ...ith default value 9 I F 0A 0 9 I F 0B R W 0 No 1 Yes 9 I F 0C R W 0 No 1 Yes 9 I F 0D R W 0 Continuous 1 Sample 2 Request What is the pump operation mode Close shut off valve during thermo OFF Close s...

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