Daikin Altherma EHVZ04S18DA6V Installer'S Reference Manual Download Page 86

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14 Technical data

Installer reference guide

ERGA04~08DAV3(A) + 08S18+23DA

Daikin Altherma – Low temperature split

4P495249-1 – 2017.12

14.4

Wiring diagram: Indoor unit

See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The abbreviations used are listed
below.

Notes to go through before starting the unit

English

Translation

Notes to go through before
starting the unit

X1M

Main terminal

X2M

Field wiring terminal for AC

X5M

Field wiring terminal for DC

X6M

Backup heater power supply
terminal

Earth wiring

Field supply

Several wiring possibilities

Option

Not mounted in switch box

Wiring depending on model

PCB

Note 1: Connection point of the
power supply for the BUH
should be foreseen outside the
unit.

Note 1: Connection point of the
power supply for the backup
heater should be foreseen outside
the unit.

Backup heater power supply

1N~, 230 V

3~, 230 V

3N~, 400 V

User installed options

LAN adapter

Remote user interface

User interface used as room

thermostat

Ext. indoor thermistor

External indoor thermistor

Ext outdoor thermistor

External outdoor thermistor

Digital I/O PCB

Demand PCB

Main LWT

Main leaving water temperature

On/OFF thermostat (wired)

On/OFF thermostat (wireless)

Ext. thermistor

External thermistor

Heat pump convector

Safety thermostat

Add LWT

Additional leaving water
temperature

On/OFF thermostat (wired)

On/OFF thermostat (wireless)

Ext. thermistor

External thermistor

Heat pump convector

Position in switch box

English

Translation

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

A9P

Status indicator

A10P

MMI (= user interface connected to the
indoor unit) – Power supply unit PCB

A11P

MMI (= user interface connected to the
indoor unit) – Main PCB

A12P

MMI display PCB

A13P

* LAN adapter

A14P

* User interface used as room thermostat –

PCB

A15P

* Receiver PCB (wireless On/OFF thermostat)

B1L

Flow sensor

B1PR

Refrigerant pressure sensor

B1PW

Water pressure sensor

CN* (A4P)

* Connector

DS1 (A5P)

DIP switch

DS1(A8P)

* DIP switch

E1A

Electrical anode

E1H

Backup heater element (1 kW)

E2H

Backup heater element (2 kW)

E*P (A9P)

Indication LED

F1B

# Overcurrent fuse backup heater

F1T

Thermal fuse backup heater

F1U, F2U (A4P)

* Fuse 5 A 250 V for digital I/O PCB

F1U, F2U (A5P)

Fuse T 2 A 250 V for PCB

FU1 (A1P)

Fuse T 5 A 250 V for PCB

FU2 (A10P)

Fuse T 1.6 A 250 V for PCB

K1M, K2M

Contactor backup heater

K5M

Safety contactor backup heater

K6M

Relay 3-way valve bypass

K7M

Relay 3-way valve flow

K*R (A4P)

Relay on PCB

M1P

Main supply pump

M1S

Mixing 3-way valve

M2P

# Domestic hot water pump

M2S

# 2-way valve for cooling mode

M3P

Main zone pump

M3S

3-way valve for space heating/domestic hot
water

P1M

MMI display

PC (A15P)

* Power circuit

PHC1 (A4P)

* Optocoupler input circuit

Q1L

Thermal protector backup heater

Q3L, Q4L

# Safety thermostat

Q*DI

# Earth leakage circuit breaker

R1H (A2P)

* Humidity sensor

R1T (A1P )

Outlet water heat exchanger thermistor

R1T (A2P)

* Ambient sensor On/OFF thermostat

R1T (A14P)

* Ambient sensor user interface

Summary of Contents for Altherma EHVZ04S18DA6V

Page 1: ...Daikin Altherma Low temperature split English Installer reference guide Daikin Altherma Low temperature split ERGA04DAV3 A ERGA06DAV3 A ERGA08DAV3 A EHVZ04S18DA6V G EHVZ08S18DA6V G EHVZ08S23DA6V G EHVZ08S18DA9W G EHVZ08S23DA9W G ...

Page 2: ...the expansion vessel pre pressure 21 6 4 3 To check the water volume and flow rate 21 6 4 4 Changing the pre pressure of the expansion vessel 22 6 4 5 To check the water volume Examples 22 6 5 Preparing electrical wiring 23 6 5 1 About preparing electrical wiring 23 6 5 2 About preferential kWh rate power supply 23 6 5 3 Overview of electrical connections except external actuators 23 6 5 4 Overvie...

Page 3: ...s 74 11 3 Checklist for yearly maintenance of the outdoor unit 74 11 4 Checklist for yearly maintenance of the indoor unit 74 11 4 1 To drain the domestic hot water tank 75 11 5 About cleaning the water filter in case of trouble 75 11 5 1 To remove the water filter 75 11 5 2 To clean the water filter in case of trouble 76 11 5 3 To install the water filter 76 12 Troubleshooting 77 12 1 Overview Tr...

Page 4: ...prevent that the unit can be used as a shelter by small animals Small animals that make contact with electrical parts can cause malfunctions smoke or fire CAUTION Do NOT touch the air inlet or aluminium fins of the unit NOTICE Do NOT place any objects or equipment on top of the unit Do NOT sit climb or stand on the unit NOTICE Works executed on the outdoor unit are best done under dry weather cond...

Page 5: ...refer to the nameplate of the unit It states the type of refrigerant and necessary amount The unit is factory charged with refrigerant and depending on pipe sizes and pipe lengths some systems require additional charging of refrigerant Only use tools exclusively for the refrigerant type used in the system this to ensure pressure resistance and prevent foreign materials from entering into the syste...

Page 6: ...ible with the inverter resistant to high frequency electric noise to avoid unnecessary opening of the earth leakage protector NOTICE Precautions when laying power wiring Do NOT connect wiring of different thicknesses to the power terminal block slack in the power wiring may cause abnormal heat When connecting wiring which is the same thickness do as shown in the figure above For wiring use the des...

Page 7: ...re the system after it is installed Commissioning What to do and know to commission the system after it is configured Hand over to the user What to give and explain to the user Maintenance and service How to maintain and service the units Troubleshooting What to do in case of problems Disposal How to dispose of the system Technical data Specifications of the system Glossary Definition of terms Fie...

Page 8: ...abel d Energy label e Unit mounting plate f Bolts nuts washers spring washers and wire clamp 3 3 Indoor unit 3 3 1 To unpack the indoor unit 1 2 8 3 3 2 To remove the accessories from the indoor unit 4 6 1 4 1 1 1 1 1 a b g h i c d e f a Shut off valves for space heating water circuit b Overpressure bypass valve c General safety precautions d Addendum book for optional equipment e Indoor unit inst...

Page 9: ...rain pan heater EKDPH008CA The drain pan heater is required to avoid freezing up of the drain pan It is recommended to install this option in colder regions with possible low ambient temperatures or heavy snowfall For installation instructions see the installation manual of the drain pan heater U beams EKFT008D The U beams are installation brackets on which the outdoor unit can be installed It is ...

Page 10: ...llation manual of the heat pump convectors and the addendum book for optional equipment LAN adapter for smartphone control Smart Grid applications BRP069A61 You can install this LAN adapter to Control the system via a smartphone app Use the system in various Smart Grid applications For installation instructions see the installation manual of the LAN adapter LAN adapter for smartphone control BRP06...

Page 11: ...ield supply FHL1 3 Floor heating loops field supply For the main zone the room temperature is controlled by the user interface which is used as room thermostat optional equipment EKRUDAS For the additional zone The external thermostat is directly connected to the indoor unit The desired room temperature is set via the external thermostat and the thermostatic valves of the radiators in each room Th...

Page 12: ... 100 l 1 150 l 3 10 l 480 l Determining the volume and desired temperature for the DHW tank Formula Example V1 V2 V2 T2 40 40 T1 If V2 180 l T2 54 C T1 15 C Then V1 280 l V1 DHW consumption equivalent hot water volume at 40 C V2 Required DHW tank volume if only heated once T2 DHW tank temperature T1 Cold water temperature Possible DHW tank volumes Type Possible volumes Integrated DHW tank 180 l 23...

Page 13: ...control DHW pump operation For more information see 8 Configuration on page 42 5 4 Setting up the energy metering Via the user interface you can read out the following energy data Produced heat Consumed energy You can read out the energy data For space heating For domestic hot water production You can read out the energy data Per month Per year INFORMATION The calculated produced heat and consumed...

Page 14: ...ient The electrical meter cannot easily be installed in the electrical cabinet 230 V and 400 V three phase grids are combined very uncommon because of technical limitations of power meters Connection and setup Connect the second power meter to X5M 3 and X5M 4 In the software the power consumption data of both meters is added so you do NOT have to set which meter covers which power consumption You ...

Page 15: ...e DI Digital inputs power limitation levels a Power limitation active b Actual power input Setup Demand PCB option EKRP1AHTA needed Maximum four digital inputs are used to activate the corresponding power limitation level DI1 weakest limitation highest energy consumption DI4 strongest limitation lowest energy consumption For the specifications of the digital inputs and for where to connect them re...

Page 16: ...This chapter describes what you have to do and know before going on site It contains information about Preparing the installation site Preparing the refrigerant piping Preparing the water piping Preparing the electrical wiring 6 2 Preparing the installation site Do NOT install the unit in places often used as work place In case of construction works e g grinding works where a lot of dust is create...

Page 17: ...ooling mode 10 43 C Heating mode 25 25 C 6 2 2 Additional installation site requirements of the outdoor unit in cold climates In areas with low ambient temperatures and high humidity or in areas with heavy snowfall remove the suction grille to ensure proper operation Non exhaustive list of areas Austria Czech Republic Denmark Estonia Finland Germany Hungary Latvia Lithuania Norway Poland Romania S...

Page 18: ... off or cause water leakage Sound sensitive areas e g near a bedroom so that the operation noise will cause no trouble In places with high humidity max RH 85 for example a bathroom In places where frost is possible Ambient temperature around the indoor unit must be 5 C Special requirements for R32 WARNING Do NOT pierce or burn Do NOT use means to accelerate the defrosting process or to clean the e...

Page 19: ...ur dealer Use table 3 in chapter Technical data and dm to calculate the minimum opening area for natural ventilation between room A and room B VAmin cm2 Unit can be installed at room A if 2 ventilation openings permanently open are provided between room A and B 1 at the top and 1 at the bottom Bottom opening The bottom opening must meet the minimum area requirements VAmin It must be as close as po...

Page 20: ... force when connecting the piping Deformation of the piping can cause malfunctioning of the unit Connecting piping Tools Only use appropriate tooling to handle brass which is a soft material If NOT pipes will get damaged Connecting piping Air moisture dust If air moisture or dust gets into the circuit problems may occur To prevent this Only use clean pipes Hold the pipe end downwards when removing...

Page 21: ...installation Immediately after installation the domestic hot water tank must be flushed with fresh water This procedure must be repeated at least once a day the first 5 consecutive days after installation Domestic hot water tank Standstills In cases where during longer periods of time there is no consumption of hot water the equipment MUST be flushed with fresh water before usage Domestic hot wate...

Page 22: ...hest point of the installation the installation height is 0 m Minimum flow rate Check that the minimum flow rate in the installation is guaranteed in all conditions on each zone separately This minimum flow rate is required during defrost backup heater operation For this purpose use the overpressure bypass valve delivered with the unit NOTICE When circulation in each or certain space heating loops...

Page 23: ...ntial kWh rate power supply delivery systems Consult with the electricity company acting as provider at the site where this equipment is to be installed to know whether it is appropriate to connect the equipment in one of the preferential kWh rate power supply delivery systems available if any When the equipment is connected to such preferential kWh rate power supply the electricity company is all...

Page 24: ...kup heater type Power supply Required number of conductors 6V 1N 230 V 2 GND 3 230 V 3 GND 9W 3N 400 V 4 GND 7 Installation 7 1 Overview Installation This chapter describes what you have to do and know on site to install the system Typical workflow Installation typically consists of the following stages 1 Mounting the outdoor unit 2 Mounting the indoor unit 3 Connecting the refrigerant piping 4 Ch...

Page 25: ... To lower the switch box on the indoor unit on page 25 7 8 5 To connect the drain hose to the drain on page 35 When you need access to the high voltage switch box 2 T25 7 2 4 To open the switch box cover of the indoor unit 4 T25 4 T25 7 2 5 To lower the switch box on the indoor unit During the installation you will need access to the inside of the indoor unit To have easier front access put the sw...

Page 26: ...uirements in the following chapters General safety precautions Preparation 7 3 3 To provide the installation structure Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise Fix the unit securely by means of foundation bolts in accordance with the foundation drawing This topic shows different installation structures For all use 4 se...

Page 27: ...008D option kit c Anti vibration rubber field supply 7 3 4 To install the outdoor unit CAUTION Do NOT remove the protective cardboard before the unit is installed properly 1 Lift the outdoor unit as described in 3 2 2 To handle the outdoor unit on page 7 2 Install the outdoor unit as follows 1 Put the unit into position using the sling to the left and the handle to the right 2 Remove the sling by ...

Page 28: ...in pan You can use the drain pan option EKDP008D to gather the drain water For the complete installation instructions see the installation manual of the drain pan In short the drain pan must be installed level with a tolerance of 1 at all sides and as follows b a c a Drain pan b U beams c Drain hole insulation 355 mm 6 0 0 m m Drain pan heater You can use the drain pan heater option EKDPH008CA to ...

Page 29: ...Connecting the refrigerant piping to the outdoor unit Connecting the refrigerant piping to the indoor unit Insulating the refrigerant piping Keeping in mind the guidelines for Pipe bending Flaring pipe ends Brazing Using the stop valves 7 5 2 Precautions when connecting the refrigerant piping INFORMATION Also read the precautions and requirements in the following chapters General safety precaution...

Page 30: ...are nut from the stop valve and put the flare nut on the pipe 4 Flare the pipe Set exactly at the position as shown in the following figure A Flare tool for R32 clutch type Conventional flare tool Clutch type Ridgid type Wing nut type Imperial type A 0 0 5 mm 1 0 1 5 mm 1 5 2 0 mm 5 Check that the flaring is properly made a b c a Flare s inner surface MUST be flawless b The pipe end MUST be evenly...

Page 31: ...r handling the stop valve tighten the stem cap and check for refrigerant leaks Item Tightening torque N m Stem cap liquid side 13 5 16 5 Stem cap gas side 22 5 27 5 To handle the service cap ALWAYS use a charge hose equipped with a valve depressor pin since the service port is a Schrader type valve After handling the service port tighten the service port cap and check for refrigerant leaks Item Ti...

Page 32: ... to the service port of the gas stop valve Make sure that the gas stop valve and liquid stop valve are firmly closed before performing the leak test or vacuum drying 7 6 3 To check for leaks NOTICE Do NOT exceed the unit s maximum working pressure see PS High on the unit name plate NOTICE Make sure to use a recommended bubble test solution from your wholesaler Do not use soap water which may cause...

Page 33: ...g refrigerant typically consists of the following stages 1 Determining how much refrigerant to charge 2 Charging refrigerant 3 Filling in the fluorinated greenhouse gases label and fixing it to the inside of the outdoor unit 7 7 2 Precautions when charging refrigerant INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation 7 7 3 To de...

Page 34: ...l safety precautions Preparation 7 8 3 To connect the water piping NOTICE Do NOT use excessive force when connecting the piping Deformation of the piping can cause malfunctioning of the unit To facilitate service and maintenance 4 shut off valves and 1 overpressure bypass valve are provided Mount the shut off valves on the space heating water inlets and space heating water outlets To ensure the mi...

Page 35: ...re inside the tank can rise above the tank design pressure Also the field installation piping tapping points etc connected to the tank is subjected to this high pressure To prevent this a pressure relieve valve needs to be installed The overpressure prevention depends on the correct operation of the field installed pressure relief valve If this is NOT working correctly overpressure will deform the...

Page 36: ... sure the power supply system complies with the electrical specifications of the heat pump 2 Connecting the electrical wiring to the indoor unit 3 Connecting the main power supply 4 Connecting the remote outdoor sensor 5 Connecting the user interface 6 Connecting the shut off valves 7 Connecting the electrical meters 8 Connecting the domestic hot water pump 9 Connecting the alarm output 10 Connect...

Page 37: ... of 1 5 mm and applicable for 230 V Recommended field fuse 20 A 25 A 16 A Earth leakage circuit breaker Must comply with applicable legislation a MCA Minimum circuit ampacity Stated values are maximum values see electrical data of combination with indoor units for exact values 7 9 6 To connect the electrical wiring on the outdoor unit 1 Remove the switch box cover 2 2 Strip insulation 20 mm from t...

Page 38: ... type and installed options a Low voltage Preferential power supply contact User interface used as room thermostat option Power consumption digital inputs field supply Outdoor ambient temperature sensor option Indoor ambient temperature sensor option Electrical meters field supply Safety thermostat field supply b High voltage power supply Interconnection cable Normal kWh rate power supply Preferen...

Page 39: ...islation CAUTION To guarantee the unit is completely earthed always connect the backup heater power supply and the earth cable The backup heater capacity can vary depending on the indoor unit model Make sure that the power supply is in accordance with the backup heater capacity as listed in the table below Backup heater type Backup heater capacity Power supply Maximum running current Zmax 6V 2 kW ...

Page 40: ...control cable to the appropriate terminals as shown in the illustration below NOTICE Wiring is different for a NC normal closed valve and a NO normal open valve X1M X2M X1M X2M NO M2S NC M2S 21 28 21 29 2 Fix the cable with cable ties to the cable tie mountings 7 9 11 To connect the electrical meters INFORMATION In case of an electrical meter with transistor output check the polarity The positive ...

Page 41: ...s to the cable tie mountings 7 9 15 To connect the changeover to external heat source 1 Connect the changeover to external heat source cable to the appropriate terminals as shown in the illustration below X1M X2M X5M A5P A4P X1M YC Y1 Y2 Y3 Y4 X2 X1 X2M X4 X3 N L a a Installation of EKRP1HB is required 2 Fix the cable with cable ties to the cable tie mountings 7 9 16 To connect the power consumpti...

Page 42: ...x the refrigerant piping and interconnection cable as follows f b a e d c a Gas pipe b Gas pipe insulation c Interconnection cable d Liquid pipe e Liquid pipe insulation f Finishing tape 2 Install the service cover 7 11 Finishing the indoor unit installation 7 11 1 To close the indoor unit 1 Close the cover of the switch box 2 Put the switch box back into place 3 Reinstall the top panel 4 Reinstal...

Page 43: ...o change the user permission level on page 43 2 Go to 9 I Installer settings Overview field settings 3 Turn the left dial to select the first part of the setting and confirm by pressing the dial 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0 1 2 3 4 Turn the left dial to select the second part of the setting 00 01 15 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 1 5 Turn the right dial to modify the valu...

Page 44: ... 18 Feb 2018 22 19 55 18 21 45 f i j h g e d a b c Possible actions on this screen Go through the list of the main menu Go to the main menu screen Enable disable breadcrumbs Item Description 21 21 The temperatures are shown in circles If the circle is grey the corresponding operation example space heating is currently not active Outdoor unit a2 a3 a1 a1 Outdoor unit a2 Quiet mode active a3 Measure...

Page 45: ...ration mode on heating only models Tank Restriction Only displayed if a domestic hot water tank is present Set the domestic hot water tank temperature User settings Gives access to user settings such as holiday mode and quiet mode Information Displays data and information about the indoor unit Installer settings Restriction Only for the installer Gives access to advanced settings Commissioning Res...

Page 46: ...Domestic hot water tank 8 3 8 Schedule screen Example This example shows how to set a room temperature schedule in heating mode for the main zone INFORMATION The procedures to program other schedules are similar To program the schedule Example You want to program the following schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 Prerequisite The room temperature schedule is only available if room t...

Page 47: ...FORMATION Not all schedules can be renamed 1 Select the name of the current schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 2 Select the Rename option Delete Rename 3 Browse through the character list and confirm the selected character 4 Confirm the new name 8 4 Settings menu You can set additional settings using the main menu screen and its submenus The most important settings are presented h...

Page 48: ...oor temperature drops below 4 C The unit will supply leaving water to the heat emitters to heat up the room again and the leaving water temperature setpoint will be lowered If Then Space heating cooling is ON and the external room thermostat is Thermo ON Room frost protection is guaranteed by the normal logic In case of two leaving water temperature zones If Then Space heating cooling is OFF and t...

Page 49: ...in warmer water and vice versa During weather dependent operation the user has the possibility to shift the water temperature up or down by a maximum of 10 C Heating WD curve Set weather dependent heating for the main zone if 2 4 1 or 2 Code Description 2 5 1 00 1 01 1 02 1 03 Set weather dependent heating 1 03 1 02 Ta Tt 1 00 1 01 Tt Target leaving water temperature main zone Ta Outdoor temperatu...

Page 50: ...and if the high emitter system leaving water setpoint is chosen bigger than 60 C in the complete operation range there can be an increased power consumption NOTICE When adjusting the leaving water temperature ranges all desired leaving water temperatures are also adjusted to guarantee they are between the limits Always balance between the desired leaving water temperature with the desired room tem...

Page 51: ... special cases the measured delta T can be different from the set value INFORMATION When only the backup heater is active in heating delta T will be controlled according to the fixed capacity of the backup heater It is possible that this delta T is different from the selected target delta T INFORMATION In heating the target delta T will only be achieved after some operation time when the setpoint ...

Page 52: ...ct the shut off valve to the heating cooling output The shut off valve for the main leaving water temperature zone can close under these circumstances INFORMATION During defrost operation the shut off valve is ALWAYS opened During thermo If F 0B is enabled the shut off valve closes when there is no heating demand from the main zone Enable this setting to avoid leaving water supply to the heat emit...

Page 53: ...water temperature zone with the highest leaving water temperature in heating operation 3 8 1 9 05 Heating minimum 15 C 37 C Code Description 3 8 2 9 06 Heating maximum 2 0D 2 emitter type additional zone radiator 37 C 65 C Else 37 C 55 C Control The control type is displayed here but cannot be adjusted It is determined by the control type of the main zone For more info about the functionality see ...

Page 54: ...tter 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 operation is OFF the pump is always OFF When space heating operation is ON you have the choice between these operation modes Code Description 4 5 F 0D Pump operation mode 0 Continuous Continuous pump operation regardless of thermo ON or OFF ...

Page 55: ...and comfort are NOT guaranteed 5 8 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 relation to the required capacity With this limitation range delta T is possible and the comfort is guaranteed The maximum values depend on the unit type 9 0D 0 9 0D 5 a kPa b l min a kPa...

Page 56: ...ng the schedule you can make use of the comfort setpoint as a preset value When you later want to change the storage setpoint you only have to do it in one place The tank will heat up until the storage comfort temperature has been reached It is the higher desired temperature when a storage comfort action is scheduled Additionally a storage stop can be programmed This feature puts a stop to tank he...

Page 57: ...east 4 hours later than the last expected large hot water tapping This start up can be set by installer settings disinfection function When the Domestic hot water Type Scheduled only is selected it is recommended to program a Storage eco 3 hours before the scheduled start up of the disinfection function to preheat the tank INFORMATION Disinfection function is restarted in case the domestic hot wat...

Page 58: ...e when the outdoor temperature equals or rises above the high ambient temperature 35 C 6 0E C Margin In domestic hot water operation the following hysteresis value can be set for the heat pump operation Code Description 5 D 6 01 The temperature difference determining the heat pump OFF temperature Range 0 C 10 C Example setpoint TU maximum heat pump temperature 6 01 THP MAX 6 01 t TDHW THP ON THP O...

Page 59: ... quiet mode is active To use quiet mode 1 Go to 7 4 1 User settings Quiet Activation 2 Do one of the following If you want to Then Completely deactivate quiet mode Select Off If you want to Then Manually activate a quiet mode level Select the applicable quiet mode level Example Most quiet Use and program a quiet mode schedule Select Automatic Go to 7 4 2 Schedule and program the schedule For more ...

Page 60: ...ive kWh 0 9 Gas price 4 08 5 0 9 Gas price 8 58 Calculation of the electricity price Electricity price Actual electricity price Incentive kWh Electricity price 12 49 5 Electricity price 17 49 Price Value in breadcrumb Gas 4 08 kWh 7 6 8 6 Electricity 12 49 kWh 7 5 1 17 8 4 8 Information Dealer information The installer can fill in his contact number here Code Description 8 3 N A Number that users ...

Page 61: ...interface For units with a built in backup heater the type of heater can be viewed but not changed Code Description 9 3 1 E 03 3 6V 4 9W Voltage For a 3V model this is fixed to 230V 1ph For a 6V model this can be set to 230V 1ph 230V 3ph For a 9W model this is fixed to 400V 3ph Code Description 9 3 2 5 0D 0 230V 1ph 1 230V 3ph 2 400V 3ph Configuration The backup heater can be configured in differe...

Page 62: ...tection function the underfloor heating screed dryout function and the water pipe antifreeze function will remain active even if the user does NOT confirm emergency operation Balancing Priorities For systems with an integrated domestic hot water tank Code Description 9 6 1 5 02 Space heating priority Defines whether backup heater will assist the heat pump during domestic hot water operation Enable...

Page 63: ...ety thermostat for the additional zone It is only possible for the system to have EITHER preferential kWh rate power supply OR a safety thermostat for the additional zone Code Description 9 8 1 D 01 Connection to a Benefit kWh power supply or a Safety thermostat 0 No The outdoor unit is connected to a normal power supply 1 Open The outdoor unit is connected to a preferential kWh rate power supply ...

Page 64: ...booster heater can operate simultaneously 1 Booster heater The booster heater is prioritized 2 Backup heater The backup heater is prioritized Power consumption control ENABLED 4 08 1 2 0 None Depending on the power limitation level the booster heater will be limited first before the backup heater is limited 1 Booster heater Depending on the power limitation level the backup heater will be limited ...

Page 65: ...s with an auxiliary boiler alternating operation connected in parallel The purpose of bivalent operation is to determine which heating source can will provide the space heating either the indoor unit or an auxiliary boiler Code Description 9 C 1 C 02 Bivalent Indicates if the space heating is also performed by means of another heat source than the system 0 No Not installed 1 Yes Installed The auxi...

Page 66: ... ON Tcalc can never go below C 03 or above C 03 C 04 a Auxiliary boiler active b Auxiliary boiler inactive CAUTION Make sure to observe all rules mentioned in application guideline 5 when bivalent operation function is enabled Daikin shall NOT be held liable for any damage resulting from failure to observe this rule Alarm output Alarm output Code Description 9 D C 09 Alarm output Indicates the log...

Page 67: ...ons set Disable protections to No 36 hours after the first power on the unit will automatically set Disable protections to No ending installer on site mode and enabling the protective functions If after first installation the installer returns to the site the installer has to set Disable protections to Yes manually Code Description 9 G N A Disable protections 0 No 1 Yes Forced defrost Forced defro...

Page 68: ...ty price Gas price C Operation Room Space heating cooling Tank B User profile 7 3 Holiday Activation From Till 7 4 Quiet Activation Schedule 7 5 Electricity price High Medium Low Schedule 7 2 Time date Hours Minutes Year Month Day Daylight savings time Format 1 4 Antifrost Activation Room setpoint 1 5 Setpoint range Heating minimum Heating maximum 1 Room Schedule Heating schedule Antifrost Setpoin...

Page 69: ...upply Benefit kWh power supply Allow heater Allow pump 9 2 Domestic hot water Domestic hot water DHW pump DHW pump schedule Solar 9 9 Power consumption control Power consumption control Type Limit Limit 1 Limit 2 Limit 3 Limit 4 Priority heater Electricity meter 2 Electricity meter 1 9 A Energy metering 9 Installer settings Configuration wizard Domestic hot water Backup heater Emergency Balancing ...

Page 70: ...oose connections or damaged electrical components in the switch box There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units Backup heater circuit breaker F1B field supply is turned ON There are NO refrigerant leaks The refrigerant pipes gas and liquid are thermally insulated The correct pipe size is installed and the pipes are properly insulated There is NO ...

Page 71: ... and the domestic hot water heating mode Typical workflow Purging the air from the system should consist of 1 Performing a manual air purge 2 Performing an automatic air purge INFORMATION Start by performing a manual air purge When almost all the air is removed perform an automatic air purge If necessary repeat performing the automatic air purge until you are sure that all air is removed from the ...

Page 72: ...test 9 4 5 Underfloor heating screed dryout This function is used for drying out the screed of an underfloor heating system very slowly during the construction of a house It allows the installer to program and execute this program Conditions Make sure all operation is disabled Go to the Operation menu and turn off Room Space heating cooling and Tank operation This function can be executed without ...

Page 73: ...ating screed dryout When the program is stopped by an error an operation switch off or a power failure the U3 error will be displayed on the user interface To resolve the error codes see 12 4 Solving problems based on error codes on page 79 1 Start in the UFH screed dryout screen 2 Open the menu and select Stop UFH screed dryout 3 Select OK to confirm Result The underfloor heating screed dryout is...

Page 74: ...ance of the magnetic filter dirt separator consists of Checking if both parts of the magnetic filter dirt separator are still screwed tight a Emptying the dirt separator as follows 1 Take off the magnetic sleeve b 2 Unscrew the drain cap d 3 Connect a drain hose to the bottom of the water filter so that the water and dirt can be collected in a suitable container bottle sink 4 Open the drain valve ...

Page 75: ...ific situations involving the domestic hot water tank please be aware that the domestic hot water tank is a stainless steel cylinder We recommend to use a non chloride based disinfectant approved for use with water intended for human consumption NOTICE When using means for descaling or chemical disinfection it must be ensured that the water quality remains compliant with EU directive 98 83 EC 11 4...

Page 76: ...ase of severe issues Preferably this action is never to be done during the complete lifetime of the water filter a b a Bottom part to be unscrewed b Water filter housing 3 Remove the strainer and the rolled up filter from the water filter housing and clean with water 4 Install the cleaned rolled up filter and strainer in the water filter housing INFORMATION Correctly install the strainer in the wa...

Page 77: ...ontroller Refer to the operation manual Possible causes Corrective action The water flow is too low Check and make sure that All shut off valves of the water circuit are completely open The water filters are clean Clean if necessary There is no air in the system Purge air if necessary You can purge air manually see To perform a manual air purge on page 71 or use the automatic air purge function se...

Page 78: ...s the difference in height between the indoor unit and the highest point of the water circuit If the indoor unit is located at the highest point of the installation the installation height is considered 0 m The maximum water circuit head is 10 m Check the installation requirements 12 3 5 Symptom The water pressure relief valve leaks Possible causes Corrective action Dirt is blocking the water pres...

Page 79: ...hedule only is selected it is recommended to program a Eco action 3 hours before the scheduled start up of the disinfection function to preheat the tank The disinfection operation was stopped manually C 3 Operation Tank was turned off during disinfection Do NOT stop tank operation during disinfection 12 4 Solving problems based on error codes When a problem happens an error code appears on the use...

Page 80: ...r will reset automatically and the unit will resume operation INFORMATION Error AJ 03 is reset automatically from the moment there is a normal tank heat up INFORMATION How an error code can be reset will be displayed on the user interface connected on the indoor unit Error code Detailed error code Description 7H 01 Water flow problem 7H 04 Water flow problem during domestic hot water production Er...

Page 81: ...that the unit s compressor does NOT have to operate NOTICE During pump down operation stop the compressor before removing the refrigerant piping If the compressor is still running and the stop valve is open during pump down air will be sucked into the system Compressor breakdown or damage to the system can result due to abnormal pressure in the refrigerant cycle Pump down operation will extract al...

Page 82: ...9 1 2017 12 11 Reattach the service PCB cover and switch box cover and turn the power back ON NOTICE Take care that while running forced cooling operation the water temperature remains higher than 5 C see temperature read out of the indoor unit You can achieve this for example by activating all fans of the fan coil units ...

Page 83: ...uT 6 4 CuT 6 4 CuT 6 4 CuT 4 0 CuT 4 0 CuT 9 5 CuT 15 9 CuT 3D110394 9 5 CuT 12 7 CuT 15 9 CuT 6 4 CuT S1PH Y1E R1T R3T M1C Y1S 4 0 CuT M1F b a c d e f g h i j k k g g a Field piping liquid Ø6 4 mm flare connection b Field piping gas Ø15 9 mm flare connection c Stop valve liquid d Stop valve with service port gas e Filter f Muffler with filter g Capillary tube h Heat exchanger i Accumulator j Comp...

Page 84: ...t IN heating mode condenser d2 Liquid refrigerant OUT heating mode condenser e Plate heat exchanger f Shut off valve for service if equipped g Expansion vessel h Magnetic filter dirt separator i Safety valve j Air purge k Drain valve l Pump additional direct zone m Check valve n Flow sensor o Backup heater p Water filter main mixed zone q Capillary tube r Pump main mixed zone B1PW Space heating wa...

Page 85: ... white GRN green YLW yellow 3 Legend AL Connector C Capacitor DB Rectifier bridge DC Connector DP Connector E Connector F1U Fuse T 6 3 A 250 V FU1 FU2 Fuse T 3 15 A 250 V FU3 Fuse T 30 A 250 V H Connector IPM Intelligent power module L Connector LED 1 5 Indication lamp LED A Pilot lamp L Reactor M1C Compressor motor M1F Fan motor MR Magnetic relay N Connector PCB1 Printed circuit board main PCB2 P...

Page 86: ...FF thermostat wired On OFF thermostat wired On OFF thermostat wireless On OFF thermostat wireless Ext thermistor External thermistor Heat pump convector Heat pump convector Position in switch box English Translation Position in switch box Position in switch box Legend A1P Main PCB A2P On OFF thermostat PC power circuit A3P Heat pump convector A4P Digital I O PCB A5P Bizone PCB A6P Current loop PCB...

Page 87: ...he user interface used as room thermostat EKRUDAS 5 Ext thermistor 5 External thermistor SWB Switch box English Translation 6 Field supplied options 6 Field supplied options 12 V DC pulse detection voltage supplied by PCB 12 V DC pulse detection voltage supplied by PCB 230 V AC supplied by PCB 230 V AC supplied by PCB Continuous Continuous current DHW pump output Domestic hot water pump output DHW...

Page 88: ... 2 core 3m included signal A13P P1 P2 LAN adapter A14P P1 P2 user interface communication 2 core communication 2 core 2 core 5 core for C H operation 4 core for H only operation 3 core for C H operation 2 core for H only operation Only for heat pump convector Only for EKRUDAS Only for KRTR wireless room thermostat Only for KRTW wired room thermostat Only for KRCS01 1 or EKRSCA1 External room therm...

Page 89: ... 81 1 86 29 44 1 88 30 08 1 90 30 72 INFORMATION For floorstanding models the value of Installation height H is considered 600 mm to comply to IEC 60335 2 40 2013 A1 2016 Clause GG2 For intermediate mc values i e when mc is between two values from the table consider the value that corresponds to the higher mc value from the table If mc 1 87 kg consider the value that corresponds to mc 1 88 kg Syst...

Page 90: ...is owner of the product and or operates the product Applicable legislation All international European national and local directives laws regulations and or codes that are relevant and applicable for a certain product or domain Service company Qualified company which can perform or coordinate the required service to the product Installation manual Instruction manual specified for a certain product ...

Page 91: ...1 9 Field settings table 8 7 5 7401 Applicable indoor units EHVZ04S18DA6V EHVZ08S18DA6V EHVZ08S18DA9W EHVZ08S23DA6V EHVZ08S23DA9W Notes 1 3V 2 6V 3 9W 4P495259 1A 2017 11 ...

Page 92: ...ancoil unit 2 Radiator Setpoint range 3 8 1 9 05 R W 15 37 C step 1 C 25 C 3 8 2 9 06 R W 2 0D 2 37 65 step 1 C 55 C 2 0D 2 37 55 step 1 C 55 C Additional zone 3 A C 06 R W 0 1 1 contact 2 2 contacts Delta T 3 B 1 1 0C R W 3 10 C step 1 C 5 C Space heating cooling Operation range 4 3 1 4 02 R W 14 35 C step 1 C 22 C Space heating cooling 4 4 7 02 R W 0 1 LWT zone 1 2 LWT zones 4 5 F 0D R W 0 Conti...

Page 93: ...W 2 20 C step 1 C 10 C 5 B R W 0 Fixed 1 Weather dependent WD curve 5 C 0 0B R W 35 6 0E C step 1 C 55 C 5 C 0 0C R W 45 6 0E C step 1 C 60 C 5 C 0 0D R W 10 25 C step 1 C 15 C 5 C 0 0E R W 40 5 C step 1 C 10 C Tank 5 D 6 01 R W 0 10 C step 1 C 2 C User settings Quiet 7 4 1 R W 0 OFF 1 Quiet 2 More quiet 3 Most quiet 4 Automatic Electricity price 7 5 1 R W 0 00 990 kWh 1 kWh 7 5 2 R W 0 00 990 kWh...

Page 94: ... step 1 C 45 C 9 1 6 0C R W 30 min 50 6 0E C step 1 C 45 C Domestic hot water 9 2 1 E 05 E 06 E 07 R O 3 Integrated 9 2 2 D 02 R W 0 No 1 Secondary rtrn 2 Disinf Shunt 9 2 4 D 07 R W 0 No 1 Yes Back up heater 9 3 1 E 03 R O 2 3V 1 3 6V 2 4 9W 3 9 3 2 5 0D R W 2 R O 1 3 0 230V 1 1 2 1 230V 3 2 2 400V 3 3 9 3 3 4 0A R W 0 1 1 1 1 1 2 2 3 2 1 2 3 1 2 1 1 2 in emergency 9 3 4 6 03 R W 0 10kW step 0 2k...

Page 95: ... 50 A 9 9 4 5 05 R W 0 50 A step 1 A 50 A 9 9 5 5 06 R W 0 50 A step 1 A 50 A 9 9 6 5 07 R W 0 50 A step 1 A 50 A 9 9 7 5 08 R W 0 50 A step 1 A 50 A 9 9 8 5 09 R W 0 20 kW step 0 5 kW 20 kW 9 9 9 5 09 R W 0 20 kW step 0 5 kW 20 kW 9 9 A 5 0A R W 0 20 kW step 0 5 kW 20 kW 9 9 B 5 0B R W 0 20 kW step 0 5 kW 20 kW 9 9 C 5 0C R W 0 20 kW step 0 5 kW 20 kW 9 9 D 4 01 0 None 1 BSH 2 BUH Energy metering...

Page 96: ...B R W 5 5 C step 0 5 C 0 C 9 I 2 0C R W 0 Underfloor heating 1 Fancoil unit 2 Radiator 9 I 2 0D R W 0 Underfloor heating 1 Fancoil unit 2 Radiator What is the desired delta T in heating for the main zone Low ambient temp for DHW WD curve Low ambient temp for LWT main zone heating WD curve High ambient temp for LWT main zone heating WD curve Leaving water value for low ambient temp for LWT main zon...

Page 97: ... 6 0E C step 1 C 60 C 9 I 6 0B R W 30 min 50 6 0E C step 1 C 45 C 9 I 6 0C R W 30 min 50 6 0E C step 1 C 45 C 9 I 6 0D R W 0 Reheat only 1 Reheat sched 2 Scheduled only Is auto restart of the unit allowed What is the desired reheat temperature What is the desired DHW production type What is the hysteresis to be used in reheat mode What is the capacity of the bottom plate heater What is the desired...

Page 98: ... Room sensor 9 I C 09 R W 0 Normally open 1 Normally closed 9 I C 0A 0 9 I D 00 R W 0 None 1 BSH only 2 BUH only 3 All heaters 9 I 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 thermo request contact type for the add zone What is the unit control method in space operation Which type of external sensor is installed ...

Page 99: ...tep 1 C 5 C 9 I F 04 R W 0 No 1 Yes 9 I F 05 0 9 I F 09 R W 0 Disabled 1 Enabled 9 I F 0A 0 9 I F 0B R W 0 No 1 Yes 9 I F 0C 1 9 I F 0D R W 0 Continuous 1 Sample 2 Request What is the pump operation mode Is a bottom plate heater connected Pump operation during flow abnormality Close shut off valve during thermo OFF Is a bi zone kit installed Bottom plate heater ON temperature Bottom plate heater h...

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