Daikin Altherma EAVX-D9WG Page 80 Installer'S Reference Manual Download

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12 Troubleshooting

Installer reference guide

EPGA11~ EAVH/9W

Daikin Altherma – Low temperature split

4P556070-1 – 2019.02

Error code

Detailed error
code

Description

OU: Overheat of inverter
compressor motor

OU: Compressor startup defect

OU: Malfunction of outdoor unit
fan motor

Brine flow abnormality

OU: Power input overvoltage

Malfunction of electronic
expansion valve

OU: Cool/heat switchover
problem

Abnormal increase tank
temperature

Tank preheating

OU: Malfunction of discharge
pipe temperature

OU: Abnormal high pressure in
cooling

OU: Abnormal high pressure,
actuation of HPS

OU: Voltage/current sensor
problem

Brine flow switch malfunction

External temperature sensor
problem

OU: Malfunction of high pressure
switch (HPS)

Malfunction of low pressure
switch

Malfunction of compressor
overload protection

OU: Malfunction of position
detection sensor

OU: Malfunction of compressor
input (CT) system

OU: Malfunction of outdoor air
thermistor

Tank temperature sensor
problem

Second tank temperature sensor
problem

Water pressure sensor
abnormality

Boiler abnormality detection

Bypass valve turning error

OU: Malfunction of discharge
pipe thermistor

Malfunction of suction pipe
thermistor

OU: Malfunction of heat
exchanger thermistor

Leaving water temperature
thermistor Abnormality (outdoor
unit))

Sensor communication error

Brine inlet thermistor abnormality

Error code

Detailed error
code

Description

Malfunction of refrigerant liquid
thermistor

Brine outlet thermistor
abnormality

OU: Malfunction of high pressure
sensor

Refrigerant pressure sensor
abnormality

Malfunction of INV PCB

OU: Electrical box temperature
rise problem

OU: Malfunction of inverter
radiating fin temperature rise

OU: Inverter instantaneous
overcurrent (DC)

Malfunction triggered by a
thermal protection in the inverter
PCB

Prevention of compressor lock

Malfunction in communication
system of outdoor unit

Open-phase power supply
imbalance

Abnormal direct current t

OU: Malfunction of radiating fin
temperature sensor

Capacity setting mismatch

OU: Shortage of refrigerant

Malfunction by reverse phase/
open-phase

OU: Defect of power supply
voltage

Under floor heating screed dryout
function not completed correctly

Indoor/outdoor unit
communication problem

User interface communication
problem

Boiler standby abnormality

OU: Transmission malfunction
between main CPU- INV CPU

Connection with LAN adapter lost

Connection with room thermostat
lost

No connection with room
thermostat

Unknown USB device

File malfunction

Boiler communication error

P1P2 communication error

Boiler communication error

Indoor unit, outdoor unit matching
problem

Tank type problem

Extension/hydro mismatch
problem

Communication problem between
control box and option box

Summary of Contents for Altherma EAVX-D9WG

Page 1: ...mperature split English Installer reference guide Daikin Altherma Low temperature split EPGA11DAV3 EPGA14DAV3 EPGA16DAV3 EAVH16S18DA6V G EAVH16S23DA6V G EAVH16S18DA9W G EAVH16S23DA9W G EAVX16S18DA6V G...

Page 2: ...ion vessel pre pressure 24 6 3 3 To check the water volume and flow rate 24 6 3 4 Changing the pre pressure of the expansion vessel 25 6 3 5 To check the water volume Examples 25 6 4 Preparing electri...

Page 3: ...3 Symptom The compressor does NOT start space heating or domestic water heating 77 12 3 4 Symptom The system is making gurgling noises after commissioning 77 12 3 5 Symptom The pump is making noise ca...

Page 4: ...T 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...

Page 5: ...the cylinder is marked with Liquid filling siphon attached Charge with the cylinder upright A siphon tube is NOT present Charge with the cylinder upside down Open refrigerant cylinders slowly Charge...

Page 6: ...terminal screws A screwdriver with a small head will damage the head and make proper tightening impossible Over tightening the terminal screws may break them Install power cables at least 1 metre away...

Page 7: ...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 o...

Page 8: ...sor leg in order to protect the unit during transport Proceed as shown in the figure and procedure below 1 Remove the nut a of the compressor mounting bolt 2 Remove and discard the transportation stay...

Page 9: ...odel series 6V Backup heater model G G Grey model White model 4 3 Combining units and options 4 3 1 Possible options for the outdoor unit Bottom plate heater EKBPH140L7 Prevents freeze up of the botto...

Page 10: ...ia 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 BRP069A62 You can...

Page 11: ...r interface For your daily needs you can use preset values and schedules To deviate from your daily needs you can temporarily overrule the preset values and schedules use the holiday mode Under floor...

Page 12: ...condensation on the floor during cooling operation The desired room temperature is set via the remote controller of the heat pump convectors The space heating cooling demand signal is sent to one dig...

Page 13: ...t the operation mode on each room thermostat must be set to match the indoor unit The room thermostats are connected to the shut off valves but do NOT have to be connected to the indoor unit The indoo...

Page 14: ...re Number of water temperature zones 4 4 Code 7 02 0 Single zone Main 5 2 3 Multiple rooms Two LWT zones In this document Main zone Zone with the lowest design temperature in heating and the highest d...

Page 15: ...an decrease or increase the desired leaving water temperature based on the actual room temperature modulation The combination of the two heat emitter systems provides the excellent heating comfort of...

Page 16: ...em on page 10 The auxiliary contact can be An outdoor temperature thermostat An electricity tariff contact A manually operated contact Setup Connect the following field wiring L N H Com A K2A K1A X2M...

Page 17: ...h day The lower the desired DHW tank temperature the more cost effective By selecting a larger DHW tank you can lower the desired DHW tank temperature The heat pump itself can produce domestic hot wat...

Page 18: ...internally based on The leaving and entering water temperature The flow rate Setup and configuration No additional equipment needed 5 5 2 Consumed energy You can use the following methods to determine...

Page 19: ...wer meter types Power meter 1 Single or three phase power meter according to the power supply of the outdoor unit Power meter 2 In case of a single phase backup heater configuration use a single phase...

Page 20: ...Energy management system a Power limitation activation 4 digital inputs b Backup heater Pi t DI4 DI3 DI1 a b Pi Power input t Time DI Digital inputs power limitation levels a Power limitation active b...

Page 21: ...sed in the weather dependent control curves and in the automatic heating cooling changeover logic To protect the outdoor unit the internal sensor of the outdoor unit is always used 6 Preparation 6 1 O...

Page 22: ...igerant does NOT contain an odour WARNING The appliance shall be stored so as to prevent mechanical damage and in a well ventilated room without continuously operating ignition sources example open fl...

Page 23: ...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 burrs Cover the pipe end when inserting i...

Page 24: ...rdance with the applicable legislation it may be necessary to install thermostatic mixing valves Hygienic measures The installation must be in compliance with the applicable legislation and may requir...

Page 25: ...NOT display error 7H NOTICE When circulation in each or certain space heating loops is controlled by remotely controlled valves it is important that the minimum flow rate is guaranteed even if all va...

Page 26: ...he equipment is connected to such preferential kWh rate power supply the electricity company is allowed to interrupt power supply to the equipment for certain periods of time demand that the equipment...

Page 27: ...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 stag...

Page 28: ...h 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...

Page 29: ...ion drawing Prepare 6 sets of anchor bolts nuts and washers field supply as follows 150 6 2 0 350 3 4 5 3 5 5 a mm 2 6 1 5 6 M12 a Make sure not to cover the drain holes In any case make sure the unit...

Page 30: ...the following illustration field supply 2 Place the 2 cables over the outdoor unit 3 Insert a rubber sheet between the cables and the outdoor unit to prevent the cables from scratching the paint field...

Page 31: ...the water piping INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation 7 5 3 To connect the water piping Outdoor unit c b a a d c a Wa...

Page 32: ...valve on the water inlet of the domestic hot water tank in accordance with the applicable legislation It is recommended to install a pressure reducing valve on the cold water inlet in accordance with...

Page 33: ...domestic hot water tank Only use propylene glycol a The system does NOT contain a domestic hot water tank You can use either propylene glycol a or ethylene glycol a Propylene glycol including the nece...

Page 34: ...rge air from the system pipe work 2 Open the cold water supply valve 3 Close all water taps after all air is purged 4 Check for water leaks 7 5 8 To insulate the water piping The piping in the complet...

Page 35: ...que N m M4 X1M 1 2 1 5 M4 earth 7 6 5 Specifications of standard wiring components Component EPGA11 16DAV3 Power supply cable MCA a 30 7 A Voltage 230 V Phase 1 Frequency 50 Hz Wire sizes Must comply...

Page 36: ...page 27 and 7 2 4 To open the switch box cover of the indoor unit on page 28 2 The wiring enters the unit from the top b c a d a b c Field wiring see table below d Factory mounted cable for power sup...

Page 37: ...quired by the applicable legislation 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...

Page 38: ...t off valve 1 Connect the valve 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...

Page 39: ...ties to the cable tie mountings 7 6 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 illustrati...

Page 40: ...OTICE When closing the indoor unit cover make sure that the tightening torque does NOT exceed 4 1 N m 8 Configuration 8 1 Overview Configuration This chapter describes what you have to do and know to...

Page 41: ...03 04 05 06 07 08 09 0A 0B 0C 0D 0E 1 6 Press the left dial to confirm the new setting 7 Press the center button to go back to the home screen INFORMATION When you change the overview settings and you...

Page 42: ...mode active a3 Measured ambient temperature Item Description Indoor unit domestic hot water tank b1 b2 b1 Indoor unit Floor standing indoor unit with integrated tank Wall mounted indoor unit with sep...

Page 43: ...y for the installer Perform tests and maintenance User profile Change the active user profile Operation Turn heating cooling functionality and domestic hot water preparation on or off 8 3 4 Menu scree...

Page 44: ...ng schedule Mon Sat Wed Fri Thu Tue Sun User defined 1 Prerequisite The room temperature schedule is only available if room thermostat control is active If leaving water temperature control is active...

Page 45: ...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 t...

Page 46: ...utomatic In case of one leaving water temperature zone If Then Space heating cooling is OFF and the outdoor ambient temperature drops below 4 C The unit will supply leaving water to the heat emitters...

Page 47: ...custom Code Description 2 1 N A Schedule 0 No 1 Yes Heating schedule You can set the main zone heating temperature schedule using the schedule screen For more information about this screen see 8 3 8 S...

Page 48: ...aximum of the 2 zones CAUTION If there are 2 zones it is important that the zone with the lowest water temperature is configured as the main zone and the zone with the highest water temperature is con...

Page 49: ...only 1 digital input X2M 35 Select this value in case of a connection to the heat pump convector FWXV 2 2 contacts The used external room thermostat can send a separate heating cooling thermo ON OFF c...

Page 50: ...etween the desired and the actual room temperature This creates a better match between the capacity of the heat pump and the actual required capacity and results in less start stop cycles and a more e...

Page 51: ...mode of the additional zone can be independently set from the setpoint mode of the main zone see Main zone on page 47 Code Description 3 4 N A Setpoint mode 0 Fixed 1 WD heating fixed cooling 2 Weathe...

Page 52: ...e lowest leaving water temperature in cooling 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 60 C Else 37...

Page 53: ...YS be within the operation range determined by the Space heating off temperature and the Space cooling off temperature If the outdoor temperature drops the operation mode will switch to cooling and vi...

Page 54: ...damage to the heat emitters CAUTION If there are 2 zones and the emitter types are wrongly configured water of high temperature can be sent towards a low temperature emitter underfloor heating To avo...

Page 55: ...e 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 maximu...

Page 56: ...ration is active the risk of space heating cooling and capacity shortage comfort problems is significant In case of frequent domestic hot water operation frequent and long space heating cooling interr...

Page 57: ...ver rise above a set maximum value This maximum allowable hot water temperature shall be selected according to the applicable legislation CAUTION Be sure that the disinfection function start time 5 7...

Page 58: ...eather dependent according to the weather dependent curve During weather dependent operation the end user cannot adjust the desired tank temperature on the user interface Also see 8 3 7 Detailed scree...

Page 59: ...heck if holiday mode is activated and or running If is activated on the home screen holiday mode is active To configure the holiday 1 Activate the holiday mode Go to 7 3 1 User settings Holiday Activa...

Page 60: ...taken into account when setting the energy prices Although the running cost can increase the total operation cost taking into account the reimbursement will be optimized NOTICE Make sure to modify the...

Page 61: ...ter pump d Heater element e Non return valve f Shower g Cold water h Domestic hot water OUT i Recirculation connection DHW pump schedule Here you can program a schedule for the DHW pump only for field...

Page 62: ...peration then set 4 00 to 2 Emergency Emergency When the heat pump fails to operate the backup heater can serve as an emergency heater and either automatically or non automatically take over the heat...

Page 63: ...04 When Control Room thermostat This preset value is only taken into account if there is a request for space heating or cooling If there is NO request for space heating cooling the tank is heated unt...

Page 64: ...supply is of type 1 or indoor unit is connected to a normal kWh rate power supply via X2M 5 6 and the backup heater is NOT connected to the preferential kWh rate power supply 9 8 3 D 05 Allow pump 0...

Page 65: ...10 kWh Installed 4 100 kWh Installed 5 1000 kWh Installed 9 A 2 D 09 Electricity meter 2 0 None NOT installed 1 1 10kWh Installed 2 1 kWh Installed 3 10 kWh Installed 4 100 kWh Installed 5 1000 kWh In...

Page 66: ...ive If the outdoor temperature Then Space heating by the heat pump system Bivalent signal for the auxiliary boiler is Drops below Tcalc Stops Active Rises above Tcalc 3 C Starts Inactive INFORMATION T...

Page 67: ...independent of the preferential kWh rate power supply status by connecting the indoor unit to a normal kWh rate power supply Code Description 9 E C 09 Auto restart 0 Manual 1 Automatic Disable protect...

Page 68: ...er settings Language Time date Holiday Quiet Electricity 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 E...

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 Lim...

Page 70: ...can the unit be powered up You read the complete installation instructions as described in the installer reference guide The indoor unit is properly mounted The outdoor unit is properly mounted The f...

Page 71: ...issioning Air purge 3 In the menu set Type Manual 4 Select Start air purge 5 Select OK to confirm Result The air purge starts It will stop automatically when air purge cycle is finished 6 During manua...

Page 72: ...X2M 31 See 7 6 8 To connect the main power supply on page 37 INFORMATION If Emergency is set to Manual A 6 C 0 and the unit is triggered to start emergency operation the user interface will ask confir...

Page 73: ...eration switch off or a power failure you can read out the underfloor heating screed dryout status 1 Go to A 4 3 Commissioning UFH screed dryout Status 2 You can read out the value here Stopped at the...

Page 74: ...1 5 2 To clean the water filter in case of trouble on page 75 11 5 3 To install the water filter on page 76 Water pressure relief valve Open the valve and check if it operates correctly The water may...

Page 75: ...le on page 75 11 5 3 To install the water filter on page 76 11 5 1 To remove the water filter Prerequisite Stop the unit operation via the user interface operation switch Prerequisite Turn OFF the res...

Page 76: ...needed 12 Troubleshooting 12 1 Overview Troubleshooting This chapter describes what you have to do in case of problems It contains information about Solving problems based on symptoms Solving problem...

Page 77: ...he problem persists after you have conducted all of the above checks contact your dealer Possible causes Corrective action The preferential kWh rate power supply settings and electrical connections do...

Page 78: ...s Possible causes Corrective action The backup heater operation is not activated Check and make sure that The backup heater operation mode is enabled Go to 9 3 8 Installer settings Backup heater Opera...

Page 79: ...guideline for each error please see the service manual 12 4 1 To display the help text in case of a malfunction In case of a malfunction the following will appear on the home screen depending on the s...

Page 80: ...temperature thermistor Abnormality outdoor unit J6 33 Sensor communication error J7 12 Brine inlet thermistor abnormality Error code Detailed error code Description J8 00 Malfunction of refrigerant li...

Page 81: ...door unit 13 Disposal NOTICE Do NOT try to dismantle the system yourself dismantling of the system treatment of the refrigerant oil and other parts MUST comply with applicable legislation Units MUST b...

Page 82: ...essure for at least 1 hour 5 If you do NOT reach the target vacuum or CANNOT maintain the vacuum for 1 hour do the following Check for leaks again Perform vacuum drying again INFORMATION After opening...

Page 83: ...ing 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 13 5 4 To handle the service cap ALWAYS us...

Page 84: ...E 300 300 300 300 300 1000 150 150 150 150 150 150 150 1000 1000 1000 500 HD HU HD HU HB HU HD HU HB HU a b c d e eB eD A B C D E HB HU HD A C Left side and right side obstacles walls baffle plates B...

Page 85: ...er m Accumulator n Economiser heat exchanger o Inverter PCB heat sink p Plate heat exchanger E1H Crankcase heater M1C Compressor M1F Upper fan motor M2F Lower fan motor R1T Thermistor outdoor air R2T...

Page 86: ...d water IN loose nut 3 4 b2 Domestic hot water hot water OUT loose nut 3 4 c1 Water IN connection c2 Water OUT connection d Pump e Backup heater f Shut off valve male female 1 if equipped g Expansion...

Page 87: ...d English Translation Legend Legend Field supply Field supply English Translation Optional Optional Part n Part n Description Description A1P Printed circuit board main A2P Printed circuit board noise...

Page 88: ...1D V4D A1P Diode V1R A1P IGBT power module V2R A1P Diode module V1T V3T A1P Insulated Gate Bipolar Transistor IGBT X1M Terminal strip Y1E Electronic expansion valve main Y3E Electronic expansion valve...

Page 89: ...ditional leaving water temperature On OFF thermostat wired On OFF thermostat wired On OFF thermostat wireless On OFF thermostat wireless Ext thermistor External thermistor Heat pump convector Heat pum...

Page 90: ...mostat Inrush Inrush current Max load Maximum load Normally closed Normally closed Normally open Normally open Safety thermostat contact 16 V DC detection voltage supplied by PCB Safety thermostat con...

Page 91: ...2 core signal signal 2 core 2 core 2 core signal 2 core 2 core External sensor floor or ambient Only for KRTETS signal 2 core 3m included A13P P1 P2 LAN adapter A14P P1 P2 user interface Only for BRC...

Page 92: ...n who 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...

Page 93: ...ble indoor units EABH16DA6V EABH16DA9W EABX16DA6V EABX16DA9W EAVH16S18DA6V EAVH16S23DA6V EAVH16S18DA9W EAVH16S23DA9W EAVX16S18DA6V EAVX16S23DA6V EAVX16S18DA9W EAVX16S23DA9W Notes 1 6V 2 9W 3 AB 4 EAV...

Page 94: ...2 R W 10 25 C step 1 C 15 C 3 5 0 03 R W 40 5 C step 1 C 10 C Cooling WD curve 3 6 0 04 R W 9 07 9 08 C step 1 C 8 C 3 6 0 05 R W 9 07 9 08 C step 1 C 12 C 3 6 0 06 R W 25 43 C step 1 C 35 C 3 6 0 07...

Page 95: ...abled 1 Enabled Tank 5 2 6 0A R W 30 6 0E C step 1 C 60 C 5 3 6 0B R W 30 min 50 6 0E C step 1 C 45 C 5 4 6 0C R W 30 min 50 6 0E C step 1 C 45 C 5 6 6 0D R W 0 Reheat only 1 Reheat sched 2 Scheduled...

Page 96: ...1 2 0D R W 0 Underfloor heating 1 Fancoil unit 2 Radiator 9 1 R W 0 Fixed 1 WD heating fixed cooling 2 Weather dependent 9 1 R W 0 No 1 Yes 9 1 0 00 R W 9 05 min 45 9 06 C step 1 C 35 C 9 1 0 01 R W 9...

Page 97: ...0 20 C step 1 C 10 C 9 6 4 8 02 R W 0 10 hour step 0 5 hour 0 5 hour E 07 1 3 hour E 07 1 9 6 5 8 00 R O 0 20 min step 1 min 1 min 9 6 6 8 01 R W 5 95 min step 5 min 30 min 9 6 7 8 04 R W 0 95 min ste...

Page 98: ...1 01 R W 10 25 C step 1 C 15 C 9 I 1 02 R W 9 01 9 00 step 1 C 35 C 9 I 1 03 R W 9 01 min 45 9 00 C step 1 C 25 C 9 I 1 04 R W 0 Disabled 1 Enabled 9 I 1 05 R W 0 Disabled 1 Enabled 9 I 1 06 R W 10 2...

Page 99: ...15 35 C step 1 C 0 C Water pipe freeze prevention What is the desired delta T in heating for the additional zone What is the desired delta T in heating for the main zone What is the desired delta T i...

Page 100: ...I 8 08 R W 9 03 9 02 step 1 C 20 C 9 I 8 09 R W 9 01 9 00 step 1 C 35 C 9 I 8 0A R W 9 01 9 00 step 1 C 33 C 9 I 8 0B 13 9 I 8 0C 10 9 I 8 0D 16 What is the capacity of the backup heater step 2 Space...

Page 101: ...pulse kWh 5 1000 pulse kWh 9 I D 0A 0 9 I D 0B 2 9 I E 00 R O 0 5 0 LT split 9 I E 01 R O 1 9 I E 02 R W 5 R O 6 0 Reversible 5 1 Heating only 6 9 I E 03 R O 3 6V 1 4 9W 2 What is the maximum desired...

Page 102: ...ed 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 Is the power saving function available on the outdoor unit Pump operation allowed outside ran...

Page 103: ......

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