Daikin Altherma ERLQ004-006-008CA Page 68 Reference Manual Download

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12 Troubleshooting

Installer reference guide

ERLQ004~008CA + 08S18CB

Daikin Altherma – Low temperature split

4P401676-1 – 2015.02

Error code

Detailed error
code

Description

OU: Malfunction of radiating

fin temperature sensor.

Please contact your dealer.

OU: Shortage of refrigerant.

Please contact your dealer.

OU: Defect of power supply

voltage.

Please contact your dealer.

OU: Transmission malfunction

between main CPU- INV CPU.

Please contact your dealer.

OU: Indoor/outdoor combination

problem.

Power reset required.

Error codes of the indoor unit

Error code

Detailed error
code

Description

Zero cross detection problem.

Power reset required.

Please contact your dealer.

Backup heater overheated.

Power reset required.

Please contact your dealer.

Indoor unit, outdoor unit

matching problem.

Power reset required.

Water flow problem.

Auto restart.

Water flow problem during
domestic hot water production.

Manual reset.

Check the domestic hot water
circuit.

Water flow problem during
heating/sampling.

Manual reset.

Check the space heating circuit.

Water flow problem during
defrost.

Manual reset.

Check the plate heat exchanger.

Mixed water thermistor
abnormality.

Auto reset.

Error code

Detailed error
code

Description

Heat exchanger frozen.

Abnormal increase outlet

water temperature.

Overheating mixed water circuit.

Auto reset.

Overheating mixed water circuit
(thermostat).

Auto reset.

Abnormal increase outlet

water temperature (DHW).

Flow sensor malfunction.

Manual reset.

Under floor heating screed

dryout function not completed

correctly.

Leaving water temperature

sensor problem.

Please contact your dealer.

Heat exchanger temperature

sensor problem.

Please contact your dealer.

Returning water temperature

sensor problem.

Please contact your dealer.

User interface

communication problem.

Indoor/outdoor unit

communication problem.

Abnormal increase tank

temperature.

Tank temperature sensor

problem.

Please contact your dealer.

Room temperature sensor

problem.

Please contact your dealer.

External temperature

sensor problem.

Please contact your dealer.

On the home screen of your user inter interface, the following information will be displayed:

Bi-zone kit abnormality

detection

Refer to bi-zone kit manual

Summary of Contents for Altherma ERLQ004-006-008CA

Page 1: ...Installer reference guide Daikin Altherma Low temperature split English Installer reference guide Daikin Altherma Low temperature split ERLQ004 006 008CA EHVZ04S18CB EHVZ08S18CB...

Page 2: ...the pre pressure of the expansion vessel 20 6 4 5 To check the water volume Examples 20 6 5 Preparing electrical wiring 20 6 5 1 About preparing electrical wiring 20 6 5 2 About preferential kWh rate...

Page 3: ...for yearly maintenance of the outdoor unit 63 11 4 Checklist for yearly maintenance of the indoor unit 63 11 4 1 To drain the domestic hot water tank 64 12 Troubleshooting 64 12 1 Overview Troubleshoo...

Page 4: ...tions smoke or fire CAUTION Do NOT touch the air inlet or aluminum 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 e...

Page 5: ...n gas form may prevent normal operation CAUTION When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank immediately If the valve is not closed immediate...

Page 6: ...The complete set consists of General safety precautions Safety instructions that you must read before installing Format Paper in the box of the indoor unit Indoor unit installation manual Installatio...

Page 7: ...hecked for damage Any damage must be reported immediately to the carrier s claims agent Bring the packed unit as close as possible to its final installation position to prevent damage during transport...

Page 8: ...unit installation manual d Operation manual e Sealing ring for shut off valve f Shut off valve with drain fill point g Shut off valve h User interface cover 7 Reinstall the top panel and the front pla...

Page 9: ...have an interface containing other languages Following user interfaces are available EKRUCBL1 contains following languages German French Dutch Italian EKRUCBL2 contains following languages English Sw...

Page 10: ...ok for optional equipment 4 3 3 Possible combinations of indoor unit and outdoor unit Indoor unit Outdoor unit ERLQ004CAV3 ERLQ006CAV3 ERLQ008CAV3 EHVZ04S18CB3V O EHVZ08S18CB3V O O 5 Application guide...

Page 11: ...on Setting Value Unit temperature control A 2 1 7 Code C 07 2 RT control Unit operation is decided based on the ambient temperature of the user interface Note Main room user interface used as room the...

Page 12: ...and calculate the DHW consumption equivalent hot water volume at 40 C using the typical water volumes Question Typical water volume How many showers are needed per day 1 shower 10 min 10 l min 100 l...

Page 13: ...re The flow rate Setup and configuration No additional equipment needed 5 4 2 Consumed energy You can use the following methods to determine the consumed energy Calculating Measuring INFORMATION You c...

Page 14: ...the power supply of the outdoor unit Power meter 2 Use a single phase power meter 5 5 Setting up the power consumption control The power consumption control Is only applicable for EHVZ04 08 Allows you...

Page 15: ...he electrical heater is limited 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 Exa...

Page 16: ...t difference See further in this Preparation chapter Mind the following spacing guidelines 1200 250 250 250 350 350 mm mm a b b a a Air outlet b Air inlet See 14 2 Dimensions and service space on page...

Page 17: ...n places such as In places where a mineral oil mist spray or vapour may be present in the atmosphere Plastic parts may deteriorate and fall off or cause water leakage Sound sensitive areas e g near a...

Page 18: ...eed When the flow is lower the indoor unit will stop operation and display error 7H Minimum required flow rate during defrost backup heater operation 04 08 models 12 l min 16 model 15 l min Field supp...

Page 19: ...expansion vessel pre pressure The pre pressure Pg of the vessel depends on the installation height difference H Pg 0 3 H 10 bar 6 4 3 To check the water volume and flow rate The indoor unit has an exp...

Page 20: ...to set the expansion vessel pre pressure Inappropriate setting of the expansion vessel pre pressure will lead to malfunction of the system Changing the pre pressure of the expansion vessel should be d...

Page 21: ...e At that moment the outdoor unit compressor will not operate Whether the power supply is interrupted or not the wiring to the unit is different Overview of electrical connections except external actu...

Page 22: ...page 37 Backup heater type Power supply Required number of conductors 3V 1 230 V 2 GND 7 Installation 7 1 Overview Installation This chapter describes what you have to do and know on site to install t...

Page 23: ...ON Also read the precautions and requirements in the following chapters General safety precautions Preparation 7 3 3 To provide the installation structure Check the strength and level of the installat...

Page 24: ...t and to install the unit as follows 250 300 250 mm a b a Maximum snowfall height b EKFT008CA option kit 7 3 4 To install the outdoor unit CAUTION Do NOT remove the protective cardboard before the uni...

Page 25: ...it and to avoid the drain water dripping see the following illustration NOTICE If the drain holes of the outdoor unit are blocked up provide space of at least 300 mm below the outdoor unit An addition...

Page 26: ...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 precautions Preparation DANGER...

Page 27: ...the flare 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 illustration A Conventional flare tool Flare tool for R410A c...

Page 28: ...sealed where indicated with the arrow Do NOT damage it After handling the stop valve make sure to tighten the stem cap securely For the tightening torque refer to the following table Check for refrige...

Page 29: ...re 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...

Page 30: ...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 i...

Page 31: ...zone water out f Space heating main zone water in NOTICE It is recommended to install shut off valves to domestic cold water in and domestic hot water out connections Shut off valves are field supplie...

Page 32: ...t 6 Close the fill valve 7 Disconnect the water supply hose from the fill valve NOTICE The water pressure indicated on the manometer will vary depending on the water temperature higher pressure at hig...

Page 33: ...end and the location of the wiring diagram of the unit can be found in 14 6 Wiring diagram on page 78 WARNING ALWAYS use multicore cable for power supply cables 7 9 4 Guidelines when connecting the el...

Page 34: ...ake sure that it does NOT come in contact with the piping and sharp edges INFORMATION To access the domestic hot water temperature sensor the switch box can be tilted The switch box should NOT be remo...

Page 35: ...ctive OR if no power consumption of the indoor unit is allowed at the preferential kWh rate power supply when active 7 9 8 To connect the backup heater power supply CAUTION To guarantee the unit is co...

Page 36: ...ful NOT to pinch the wiring when attaching the frontplate to the unit a The main user interface is required for operation but has to be ordered separately mandatory option 4A From the rear b a PCB 1 4...

Page 37: ...1 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below X5M A5P A8P 1 2 3 4 5 X801M S6S S7S S8S S9S a a Installation of EKRP1AHTA is requi...

Page 38: ...fluences the following The calculations of the software What you can see on and do with the user interface How You can configure the system using two different methods Method Description Configuring v...

Page 39: ...overview setting Example Modify 1 01 from 15 to 20 1 Go to A 8 Installer settings Overview settings 2 Go to the corresponding screen of the first part of the setting by using the and button INFORMATIO...

Page 40: ...ge set from the first to the second user interface See 8 1 3 To copy the system settings from the first to the second user interface on page 39 8 1 5 Quick wizard Set the system layout after first pow...

Page 41: ...ed to act as room thermostat Controlling the main zone Code Description A 2 1 8 7 02 The system can supply leaving water to up to 2 water temperature zones During configuration the number of water zon...

Page 42: ...t Installed Remark The domestic hot water tank is by default installed Do NOT change this setting A 2 2 A D 02 The indoor unit offers the possibility to connect a field supplied domestic hot water pum...

Page 43: ...efault See Contact type main Connected on the indoor unit X2M 1a Code Description A 2 2 B C 08 External sensor When an optional external ambient sensor is connected the type of the sensor must be set...

Page 44: ...7 Bottom plate heater Only applies to an optional bottom plate heater EKBPHTH16A The capacity of the optional bottom plate heater at nominal voltage Default 0 W Range 0 200 W in steps of 10 W 8 2 5 Sp...

Page 45: ...equired Leaving water temperature Additional zone Only applicable if 2 leaving water temperature zones are present Code Description A 3 1 2 1 N A LWT setpoint mode Fixed default The desired leaving wa...

Page 46: ...ulation turned on the desired leaving water temperature is lowered or raised in function of the desired room temperature and the difference between the actual and the desired room temperature This res...

Page 47: ...change the value you ONLY have to do it in one place Depending on whether the desired leaving water temperature is weather dependent or NOT the desired shift values or the absolute desired leaving wa...

Page 48: ...at control and when modulation is enabled The maximum modulation variance on the desired leaving water temperature decided on the difference between the actual and desired room temperature e g 3 C mod...

Page 49: ...antifrost temperature 4 C 16 C default 12 C INFORMATION If an U5 error occurs when 1 user interface is connected room frost protection is NOT guaranteed when 2 user interfaces are connected and the se...

Page 50: ...ode Description 7 4 3 1 6 0A 30 C 6 0E C default 60 C Storage eco The storage economic temperature denotes the lower desired tank temperature It is the desired temperature when a storage economic acti...

Page 51: ...n domestic hot water tank THP OFF Heat pump OFF temperature THP MAX 6 01 THP ON Heat pump ON temperature THP OFF 6 00 TDHW Domestic hot water temperature TU User set point temperature as set on the us...

Page 52: ...hed is selected it is recommended to program the start up of the disinfection function at least 4 hours later than the last expected large hot water tapping This start up can be set by installer setti...

Page 53: ...e bottom plate heater is controlled via EKRP1HB Code Description N A F 02 Bottom plate heater ON temperature 3 C 10 C default 3 C N A F 03 Hysteresis 2 C 5 C default 5 C INFORMATION Dependent from set...

Page 54: ...essor 0 default Forced OFF Forced OFF 2 Allowed Power saving function INFORMATION Only applicable for ERLQ004 008CAV3 Defines whether the outdoor unit power supply can be interrupted internally by ind...

Page 55: ...s installed and configured You can calibrate the external outdoor ambient temperature sensor It is possible to give an offset to the thermistor value The setting can be used to compensate for situatio...

Page 56: ...ting 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 N A 9 0D Pump speed limitatio...

Page 57: ...y metering Error handling User permission level Actuators Operation modes Running hours Version Energy metering Consumed elec Produced energy Error information Error history Contact helpdesk number Ve...

Page 58: ...ssor type Indoor software type BUH type Backup heater steps Preferential kWh rate Unit control method Number of LWT zones Pump operation mode Power saving possible User interface location Options DHW...

Page 59: ...ned The fuses or locally installed protection devices are installed according to this document and have not been bypassed The power supply voltage matches the voltage on the identification label of th...

Page 60: ...sufficiently filled with water Only if water escapes the valve after opening it you can start the air purge procedure There are 2 modes for purging air Manually the unit will operate with a custom pu...

Page 61: ...it manually press select OK and press INFORMATION If 2 user interfaces are present you can start a test run from both user interfaces The user interface used to start the test run displays a status sc...

Page 62: ...erfloor heating screed dryout to be able to start make sure the following settings are met 4 00 1 C 02 0 D 01 0 4 08 0 4 01 1 The installer can program up to 20 steps For each step he needs to enter 1...

Page 63: ...lete documentation on the url as earlier described in this manual Explain the user how to properly operate the system and what to do in case of problems Show the user what to do in relation to maintai...

Page 64: ...isual inspection of the switch box and look for obvious defects such as loose connections or defective wiring Using an ohmmeter check if contactors K1M K2M and K3M operate correctly All contacts of th...

Page 65: ...he problem persists after you have conducted all of the above checks contact your dealer In some cases it is normal that the unit decides to use a low water flow Possible causes Corrective action The...

Page 66: ...ivated If it has check The water pressure Whether there is air in the system The air purge operation Press the reset button in the switch box See 14 4 Components on page 74 for the location of the res...

Page 67: ...es of the outdoor unit Error code Detailed error code Description A5 00 OU High pressure cooling Peak cut freeze protection problem Please contact your dealer E1 00 OU PCB defect Power reset required...

Page 68: ...e heating circuit 7H 06 Water flow problem during defrost Manual reset Check the plate heat exchanger 81 01 Mixed water thermistor abnormality Auto reset 1 Error code Detailed error code Description 8...

Page 69: ...ll display an error code that needs to be reset manually Depending on the problem this error code is different Error code Detailed error code Description 7H 04 The water flow problems mainly occurred...

Page 70: ...ifold if the vacuum is reached 5 After 2 3 minutes close the gas stop valve and stop forced cooling operation a c b d d e a Gas stop valve b Closing direction c Hexagonal wrench d Valve lid e Liquid s...

Page 71: ...ion range ESP curve 14 2 Dimensions and service space 14 2 1 Dimensions and service space Outdoor unit 3TW60814 1B 250 250 250 300 333 283 10 250 350 250 350 350 250 735 64 91 160 155 23 18 580 832 12...

Page 72: ...temperature split 4P401676 1 2015 02 14 2 2 Dimensions and service space Indoor unit Dimensions Indoor unit 127 143 199 327 346 49 40 64 60 115 111 348 60 65 386 113 A 728 760 300 600 200 1732 1747 1...

Page 73: ...chnical data Installer reference guide 73 ERLQ004 008CA EHVZ04 08S18CB Daikin Altherma Low temperature split 4P401676 1 2015 02 14 3 Center of gravity 14 3 1 Center of gravity Outdoor unit 4TW60819 1...

Page 74: ...uit f Air purge g Water IN connection main mixed zone 1 1 4 BSP female h Water OUT connection main mixed zone 1 1 4 BSP female i Water IN connection additional direct zone 1 1 4 BSP female j Water OUT...

Page 75: ...up heater thermal protector Q1L b Transformer TR1 c Backup heater contactors K1M d Backup heater circuit breaker F1B e Connectors X6YA X6YB X6Y f Current loop PCB A6P g Terminal block X2M high voltage...

Page 76: ...4 0CuT 4 0CuT 4 0CuT 4 0CuT 7 9CuT 7 9CuT 7 9CuT 6 4CuT 6 4CuT M P P 6 4CuT 3TW60815 1 OUTDOOR UNIT OUTDOOR AIR TEMPERATURE THERMISTOR HEAT EXCHANGER HEAT EXCHANGER THERMISTOR CAPILLARY TUBE 1 CAPILLA...

Page 77: ...hot water hot water out 6 Domestic hot water cold water in 7 Shut off valve with drain fill valve 8 Shut off valve 9 Flow sensor 10 3 way valve space heating domestic hot water 11 3 way valve mixing v...

Page 78: ...TE CORE TERMINAL STRIP ELECTRONIC EXPANSION VALVE COIL VARISTOR SURGEARRESTOR FUSE CONNECTOR DRAIN PAN HEATER PRESSURE SENSOR PRESSURE SWITCH HIGH MAGNETIC RELAY THERMISTOR DISCHARGE THERMISTOR HEAT E...

Page 79: ...IZE LENGTH 140 x WIDTH 230 THIS DRAWING WAS DRAWN ON CAD SYSTEM C110 C112 Capacitor DB1 DB2 DB401 Rectifier bridge DC_N1 DC_N2 Connector DC_P1 DC_P2 Connector DC_P1 DC_P2 Connector DP1 DP2 Connector E...

Page 80: ...Technical data Installer reference guide 80 ERLQ004 008CA EHVZ04 08S18CB Daikin Altherma Low temperature split 4P401676 1 2015 02 BRN Brown GRN Green ORG Orange PPL Purple RED Red WHT White YLW Yello...

Page 81: ...A1P K1M TR1 Q1L X5M X2M F1B X1M K2M A8P A4P K3M X6Y A6P A5P User installed options Bottom plate heater Remote user interface External indoor thermistor External outdoor thermistor Digital I O PCB Dema...

Page 82: ...om plate heater Only for demand PCB option Ext heat source Max load 0 3 A 250 V AC Min load 20 mA 5 V DC OUTDOOR UNIT 4D092009 1B_page 5 5 6 1 1 R1T t A3P COM C H A3P R1T t COM C H R1H R1H R1T t R1T t...

Page 83: ...PHC1 Optocoupler input circuit Q1DI Q2DI Earth leakage circuit breaker Q1L Thermal protector backup heater Q3L Safety thermostat R1T A1P Outlet water heat exchanger thermistor R1T A2P Ambient sensor...

Page 84: ...ignal 2 core signal 2 core signal 2 core signal Power limitation demand input 2 Power limitation demand input 3 Power limitation demand input 4 Only for KRP1HB Cooling heating On OFF output Ext heat s...

Page 85: ...anced loads Three phase AC meter unbalanced loads Electrical meter installation guideline It is the responsibility of the installer to cover the complete power consumption with electrical meters combi...

Page 86: ...ing capacity Minimum Nominal Maximum Heating PI Nominal 1 13 kW 1 59 kW 2 01 kW Cooling PI Nominal COP Nominal 3 58 3 56 3 42 EER Nominal a In heating Ambient temperature DB WB 7 C 6 C leaving water c...

Page 87: ...Sound power 61 dBA 62 dBA Sound pressure 2 48 dBA 49 dBA Nominal Cooling Sound power 63 dBA Sound pressure 2 48 dBA 49 dBA 50 dBA Night quiet Sound pressure Refrigerant Type R410A Charge 1 45 kg 1 60...

Page 88: ...A EHVZ04 08S18CB Daikin Altherma Low temperature split 4P401676 1 2015 02 Outdoor units ERLQ004CAV3 ERLQ006CAV3 ERLQ008CAV3 Defrost method Reverse cycle Defrost control Sensor for outdoor heat exchang...

Page 89: ...ecommended fuses 16 A 20 A Wiring connections For power supply Quantity 3 Remark For connection with indoor Quantity 3 Remark No earth wire Figure A Starting current Daikin inverter controlled compres...

Page 90: ...r Type Brazed plate Quantitity 1 Water volume 0 90 l 1 30 l Water flow rate Minimum 13 0 l min 2 Heating nominal 13 0 l min 21 5 l min Pump main zone Type DC motor Number of speeds Inverter controlled...

Page 91: ...devices Thermal cut out Electrical specifications Indoor units EHVZ04S18CB3V EHVZ08S18CB3V Power supply Name See note 12 Voltage range Minimally 10 Maximally 10 Electric heater Voltage range Minimally...

Page 92: ...artup no backup heater operation no defrost operation 4 Drain Fill valve only available on water inlet connection 5 Including piping PHE back up heater excluding expansion vessel 6 DB WB 7 C 6 C LWC 3...

Page 93: ...ing water condensor temperature Backup heater only operation No outdoor operation Outdoor unit operation is possible if setpoint 25 C Operation of outdoor unit is possible but with possible capacity r...

Page 94: ...2E Floorstanding model Wallmounted model 11 16 kW 11 16 kW 35 25 20 10 25 60 50 53 55 A C DB B C 3TW60813 2E 35 25 20 25 48 50 80 A C DB B C 3TW60813 2E A Outdoor temperature B Domestic hot water temp...

Page 95: ...ssure kPa B Water flow rate l min C Operation range Additional direct zone Main mixed zone Operation area is extended to lower flow rates only in case the unit operates with heat pump only Not in star...

Page 96: ...he required service to the product Installation manual Instruction manual specified for a certain product or application explaining how to install configure and maintain it Operation manual Instructio...

Page 97: ...1 8 Field settings table Applicable indoor units HVZ04S18CB3V HVZ08S18CB3V HVZ16S18CB3V Notes 5 04 08 6 16 4P401673 1 2015 04...

Page 98: ...2 8...

Page 99: ...eating Leaving water value for low ambient temp for LWT add zone heating WD curve R W 9 05 9 06 C step 1 C 45 C 7 7 2 1 0 02 Set weather dependent heating High ambient temp for LWT add zone heating WD...

Page 100: ...4 12 C A 3 2 1 2 3 06 Room temp range Maximum temp heating R W 18 30 C step A 3 2 4 30 C A 3 2 2 2 0A R W 5 5 C step 0 5 C 0 C A 3 2 3 2 09 R W 5 5 C step 0 5 C 0 C A 3 2 4 R W 0 0 5 C 1 1 C Operatio...

Page 101: ...gh 1 High 2 Medium 3 Low 4 Very low Overview settings A 8 0 00 R W 9 05 min 45 9 06 C step 1 C 35 C A 8 0 01 R W 9 05 9 06 C step 1 C 45 C A 8 0 02 R W 10 25 C step 1 C 15 C A 8 0 03 R W 40 5 C step 1...

Page 102: ...10 C step 1 C 2 C A 8 6 02 R W 0 A 8 6 03 R W 0 10 kW step 0 2 kW 3 kW A 8 6 04 R W 0 A 8 6 05 0 A 8 6 06 0 A 8 6 07 R W 0 200 W step 10 W 0 W When should the disinfection function be executed Should...

Page 103: ...mp priority A 8 C 01 0 A 8 C 02 R W 0 3 0 No 1 Bivalent A 8 C 03 R W 25 25 C step 1 C 0 C A 8 C 04 R W 2 10 C step 1 C 3 C A 8 C 05 R W 1 Thermo ON OFF 2 C H request A 8 C 06 R W 0 1 Thermo ON OFF 2 C...

Page 104: ...5 C A 8 F 04 R W 0 No 1 Yes A 8 F 05 0 A 8 F 06 0 A 8 F 09 R W 0 Disabled 1 Enabled A 8 F 0A 0 A 8 F 0B R W 0 No 1 Yes A 8 F 0C R W 1 A 8 F 0D R W 0 Continuous 1 Sample 2 Request Which type of extern...

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