Daikin Altherma EHVH/X04S18CB Installer'S Reference Manual Download Page 83

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12 Troubleshooting

Installer reference guide

ERLQ004~008CA + EHVH/X04+08S18+26CB
Daikin Altherma – Low temperature split
4P384973-1D – 2018.07

Error code

Detailed error
code

Description

OU: Indoor/outdoor combination

problem.

Power reset required.

Error codes of the indoor unit

Error code

Detailed error
code

Description

Water flow problem.

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/cooling
circuit.

Water flow problem during
cooling/defrost.

Manual reset.

Check the plate heat exchanger.

Returning water temperature

sensor problem.

Please contact your dealer.

Leaving water temperature

sensor problem.

Please contact your dealer.

Heat exchanger frozen.

Abnormal increase outlet

water temperature (DHW).

Abnormal increase outlet

water temperature.

Overheating water circuit

(thermostat).

Zero cross detection problem.

Power reset required.

Please contact your dealer.

Error code

Detailed error
code

Description

EEPROM reading error.

Backup heater overheated.

Power reset required.

Please contact your dealer.

Booster heater overheated.

Please contact your dealer.

Tank disinfection function not

completed correctly.

Too long DHW heat-up time

required.

Flow sensor/switch malfunction.

Please contact your dealer.

Heat exchanger temperature

sensor problem.

Please contact your dealer.

Room temperature sensor

problem.

Please contact your dealer.

Abnormal increase tank

temperature.

External temperature

sensor problem.

Please contact your dealer.

Tank temperature sensor

problem.

Please contact your dealer.

Under floor heating screed

dryout function not completed

correctly.

Indoor/outdoor unit

communication problem.

User interface

communication problem.

Connection with adapter lost

Please contact your dealer.

Indoor unit, outdoor unit

matching problem.

Power reset required.

Summary of Contents for Altherma EHVH/X04S18CB

Page 1: ...Installer reference guide Daikin Altherma Low temperature split English Installer reference guide Daikin Altherma Low temperature split ERLQ004 006 008CA EHVH X04S18CB EHVH X08S18 26CB...

Page 2: ...ircuit requirements 25 6 4 2 Formula to calculate the expansion vessel pre pressure 26 6 4 3 To check the water volume and flow rate 26 6 4 4 Changing the pre pressure of the expansion vessel 27 6 4 5...

Page 3: ...ioning 74 9 4 1 To check the minimum flow rate 75 9 4 2 Air purge function 75 9 4 3 To perform a test run 76 9 4 4 To perform an actuator test run 76 9 4 5 Underfloor heating screed dryout 76 10 Hand...

Page 4: ...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...

Page 5: ...fer 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 a...

Page 6: ...ompatible 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...

Page 7: ...units and options Application guidelines Various installation setups of the system Preparation What to do and know before going on site Installation What to do and know to install the system Configur...

Page 8: ...ccessories from the indoor unit 1 Remove the screws at the top of the unit 2 Remove the top panel 3 Remove the screws at the front of the unit 4 Push on the button on the bottom of the front plate 5 R...

Page 9: ...ndoor unit with integrated tank H H Heating only X Heating cooling 04 Capacity class S Integrated tank material Stainless steel 18 Integrated tank volume CB Model series 3V Backup heater model 4 3 Com...

Page 10: ...d in heating only systems For installation instructions see the installation manual of the room thermostat and addendum book for optional equipment Remote sensor for wireless thermostat EKRTETS You ca...

Page 11: ...contains application guidelines for Setting up the space heating cooling system Setting up an auxiliary heat source for space heating Setting up the domestic hot water tank Setting up the energy meter...

Page 12: ...ion is decided by the external thermostat Number of water temperature zones A 2 1 8 Code 7 02 0 1 LWT zone Main Setting Value External room thermostat for the main zone A 2 2 4 Code C 05 1 Thermo ON O...

Page 13: ...separation between heating or cooling demand Benefits Cooling Heat pump convectors provide besides heating capacity also excellent cooling capacity Efficiency Under floor heating has the best perform...

Page 14: ...1 7 Code C 07 0 LWT control Unit operation is decided based on the leaving water temperature Number of water temperature zones A 2 1 8 Code 7 02 0 1 LWT zone Main Benefits Compared with under floor he...

Page 15: ...in heating and the lowest design temperature in cooling CAUTION When there is more than one leaving water zone you must ALWAYS install a mixing valve station in the main zone to decrease in heating in...

Page 16: ...room thermostat requests heating the indoor unit or the auxiliary boiler starts operating depending on the outdoor temperature status of the changeover to external heat source When the permission is...

Page 17: ...iler NOTICE Make sure the auxiliary contact has enough differential or time delay to prevent frequent changeover between indoor unit and auxiliary boiler If the auxiliary contact is an outdoor tempera...

Page 18: ...during the night when there is lower space heating demand 5 4 3 Setup and configuration DHW tank For large DHW consumptions you can heat up the DHW tank several times during the day To heat up the DHW...

Page 19: ...methods to determine the consumed energy Calculating Measuring INFORMATION You cannot combine calculating the consumed energy example for backup heater and measuring the consumed energy example for o...

Page 20: ...es the rest i e indoor unit backup heater and optional booster heater Setup Connect power meter 1 to X5M 7 and X5M 8 Connect power meter 2 to X5M 9 and X5M 10 Power meter types Power meter 1 Single or...

Page 21: ...uts b Backup heater c Booster heater Pi t DI4 DI3 DI1 a b Pi Power input t Time DI Digital inputs power limitation levels a Power limitation active b Actual power input Setup Demand PCB option EKRP1AH...

Page 22: ...t a remote outdoor sensor option EKRSCA1 Setup For installation instructions see the installation manual of the remote outdoor sensor Configuration Select outdoor sensor A 2 2 B When the power saving...

Page 23: ...no trouble Note If the sound is measured under actual installation conditions the measured value might be higher than the sound pressure level mentioned in Sound spectrum in the data book due to envi...

Page 24: ...event of a water leak water cannot cause any damage to the installation space and surroundings Do NOT install the unit in places such as In places where a mineral oil mist spray or vapour may be prese...

Page 25: ...ly use materials that are compatible with water used in the system and with the materials used in the indoor unit Field supply components Water pressure and temperature Check that all components in th...

Page 26: ...he 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...

Page 27: ...e 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 done by releasing or increasing...

Page 28: ...r unit is designed to receive an input signal by which the unit switches into forced off mode At that moment the outdoor unit compressor will not operate Whether the power supply is interrupted or not...

Page 29: ...ctors 3V 1 230 V 2 GND 9W 1 230 V 2 GND 2 bridges 3 230 V 3 GND 1 bridge 3 400 V 4 GND 7 Installation 7 1 Overview Installation This chapter describes what you have to do and know on site to install t...

Page 30: ...eparation on page 22 7 3 2 Precautions when mounting the outdoor unit INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation 7 3 3 To p...

Page 31: ...Maximum snowfall height b EKFT008CA option kit INFORMATION If you install the U beams in combination with the low sound cover EKLN08A1 different installation instructions apply for the U beams See the...

Page 32: ...rain water flowing over the footpath so that it does NOT become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm of the bot...

Page 33: ...onsists of the following stages 1 Installing the indoor unit 7 4 2 Precautions when mounting the indoor unit INFORMATION Also read the precautions and requirements in the following chapters General sa...

Page 34: ...charge additional refrigerant it is recommended to open the refrigerant stop valve after charging 7 5 3 Guidelines when connecting the refrigerant piping Take the following guidelines into account whe...

Page 35: ...s required when handling the valve c d a b a Service port and service port cap b Valve stem c Field piping connection d Stem cap Keep both stop valves open during operation Do NOT apply excessive forc...

Page 36: ...possibility of moisture being present in the refrigerant piping for example water may have entered the piping first carry out the vacuum drying procedure below until all moisture has been removed 7 6...

Page 37: ...echarging refrigerant Example When relocating the system After a leak Charging additional refrigerant Before charging additional refrigerant make sure the outdoor unit s external refrigerant piping is...

Page 38: ...charge in the system expressed as tonnes CO2 equivalent is used to determine the maintenance intervals Follow the applicable legislation Formula to calculate the greenhouse gas emissions GWP value of...

Page 39: ...ation piping tapping points etc connected to the tank is subjected to this high pressure To prevent this a pressure relief valve needs to be installed The overpressure prevention depends on the correc...

Page 40: ...ctrical wiring Before connecting the electrical wiring Make sure The refrigerant piping is connected and checked The water piping is connected Typical workflow Connecting the electrical wiring typical...

Page 41: ...ch box cover 2 1 2 3 Strip insulation 20 mm from the wires a b a Strip wire end to this point b Excessive strip length may cause electrical shock or leakage 4 Open the wire clamp 5 Connect the interco...

Page 42: ...nterconnection cable main power supply b Normal kWh rate power supply c Preferential power supply contact 2 Fix the cables with cable ties to the cable tie mountings INFORMATION In case of preferentia...

Page 43: ...N 1 2 3 4 6 7 8 5 X6M X7M 6 kW 1 230 V 9W 1 2 3 4 6 7 8 5 X6M X7M 6 kW 3 230 V 9W F1B L1 L2 L3 L1 L2 L3 1 2 3 4 6 7 8 5 X6M X7M 6 kW 3N 400 V 9W 9 kW 3N 400 V 9W F1B L1 L2 L3 L1 L2 L3 1 2 3 4 6 7 8 5...

Page 44: ...lplate The PCB is mounted in the faceplate of the user interface Be careful NOT to damage it At the indoor unit In the room 3 Use the 2 screws in the accessory bag to fix the wallplate of the user int...

Page 45: ...tings 7 9 13 To connect the alarm output 1 Connect the alarm output cable to the appropriate terminals as shown in the illustration below X1M X2M 29 X1M YC Y1 Y2 Y3 Y4 A4P X2M a a Installation of EKRP...

Page 46: ...t contact INFORMATION The preferential kWh rate power supply contact is connected to the same terminals X5M 3 4 as the safety thermostat It is only possible for the system to have EITHER preferential...

Page 47: ...on page 47 8 5 Menu structure Overview installer settings on page 73 8 1 1 To connect the PC cable to the switch box Prerequisite The EKPCCAB kit is required 1 Connect the cable with USB connection t...

Page 48: ...Busy and will NOT be possible to operate 3 The quick wizard will guide you 4 For proper operation of the system the local data on the two user interfaces must be the same If this is NOT the case both...

Page 49: ...displayed for several seconds 8 2 Basic configuration 8 2 1 Quick wizard Language time and date Code Description A 1 N A Language 1 N A Time and date 8 2 2 Quick wizard Standard Backup heater configur...

Page 50: ...ontinued Code Description A 2 1 8 7 02 continuation 1 2 LWT zones 2 leaving water temperature zones The zone with the lowest leaving water temperature in heating is called the main leaving water tempe...

Page 51: ...prepare domestic hot water 0 No NOT installed Default for EHBH X 1 Yes Installed Default for EHVH X Remark For EHVH X the domestic hot water tank is by default installed Do NOT change this setting A...

Page 52: ...1 Thermo ON OFF See Contact type main Connected on the indoor unit X2M 1a 2 H C request default See Contact type main Connected on the indoor unit X2M 1a and 2a Code Description A 2 2 B C 08 External...

Page 53: ...connect up to 2 power meters with different pulse frequencies When only 1 or no power meter is used select No to indicate the corresponding pulse input is NOT used Code Description A 2 2 8 D 08 Option...

Page 54: ...does NOT depend on the outdoor ambient temperature according a schedule The scheduled actions consists of desired shift actions either preset or custom Remark This value can only be set in leaving wa...

Page 55: ...ter temperature is NOT weather dependent i e does NOT depend on the outdoor ambient temperature according a schedule The scheduled actions are On or OFF Remark This value can only be set in leaving wa...

Page 56: ...when turning off the modulation you can set the desired leaving water temperature on the user interface Moreover with the modulation turned on the desired leaving water temperature is lowered or rais...

Page 57: ...able legislation Code Description A 4 5 6 0E Maximum setpoint The maximum temperature that users can select for the domestic hot water You can use this setting to limit the temperature at the hot wate...

Page 58: ...the room temperatures in heating Code Description Leaving water temperature range for the main leaving water temperature zone the leaving water temperature zone with the lowest leaving water temperatu...

Page 59: ...5 C default 35 C A 3 2 1 3 3 09 Minimum temp cooling 15 C 25 C default 15 C Room temperature step ONLY applicable in room thermostat control and when the temperature is displayed in C Code Description...

Page 60: ...rotection by the unit is possible In case of then the following applies One leaving water temperature zone When the leaving water temperature home page is OFF and the outdoor ambient temperature drops...

Page 61: ...o used in automatic heating cooling changeover Automatic heating cooling changeover ONLY applicable for EHBX and EHVX The end user sets the desired operation mode on the user interface Heating Cooling...

Page 62: ...y during day Code Description 7 4 3 2 6 0B 30 C min 50 6 0E C default 45 C Reheat The desired reheat tank temperature is used in reheat mode of scheduled reheat mode The guaranteed minimum tank temper...

Page 63: ...00 TDHW Domestic hot water temperature TU User set point temperature as set on the user interface t Time Example setpoint TU maximum heat pump temperature 6 01 THP MAX 6 01 t 6 00 HP 5 10 20 30 40 43...

Page 64: ...door temperature 4 02 or F 01 Range 0 95 minutes default 95 8 02 Anti recycling time t 1 0 1 0 8 01 8 02 8 00 1 Heat pump domestic water heating mode 1 active 0 not active 2 Hot water request for heat...

Page 65: ...he disinfection function occurred due to domestic hot water tapping following actions are recommended When the Domestic hot water Type Reheat or Reheat sched is selected it is recommended to program t...

Page 66: ...nected The purpose of this function is to determine based on the outdoor temperature possibility 1 or on energy prices possibility 2 which heating source can will provide the space heating either the...

Page 67: ...ater is still and only heated by the indoor unit The permission signal for the auxiliary boiler is located on the EKRP1HB digital I O PCB When it is activated the contact X1 X2 is closed and open when...

Page 68: ...door temperature is lower than setting 5 03 the domestic hot water will not be heated with the backup heater Code Description N A 5 03 Space heating priority temperature Defines the outdoor temperatur...

Page 69: ...er the outdoor unit power supply can be interrupted internally by indoor unit control during stand still conditions no space heating cooling nor domestic hot water demand The final decision to allow p...

Page 70: ...first before the backup heater is limited 1 BSH Depending on the power limitation level the backup heater will be limited first before the booster heater is limited 2 BUH Depending on the power limit...

Page 71: ...w to continue operation when flow abnormality occurs This functionality is only valid in specific conditions where it is preferable to keep the pump active when Ta 4 C pump will be activated for 10 mi...

Page 72: ...ion Energy metering Consumed elec Produced energy Error information Error history Contact helpdesk number Version User interface Indoor unit Outdoor unit User settings Display Temperature lock Set sch...

Page 73: ...off contact Unit control method Number of LWT zones Pump operation mode Power saving possible User interface location Options DHW operation DHW tank type Contact type main Contact type add Digital I...

Page 74: ...he domestic hot water tank if applicable Between the gas boiler and the local supply panel only applicable in case of hybrid system The system is properly earthed and the earth terminals are tightened...

Page 75: ...y changes the pump speed and switches the position of the 3 way valve between the space heating and the domestic hot water heating mode Typical workflow Purging the air from the system should consist...

Page 76: ...d the domestic hot water control are turned OFF via the user interface 3 Go to A 7 4 Installer settings Commissioning Actuator test run 4 Select an actuator and press Example Pump 5 Select OK and pres...

Page 77: ...ank step is programmed OR when 20 consecutive steps have been executed To perform an underfloor heating screed dryout INFORMATION Preferential kWh rate power supply cannot be used in combination with...

Page 78: ...service work touch a metal part of the unit in order to eliminate static electricity and to protect the PCB 11 2 1 Opening the indoor unit CAUTION The front panel is heavy Be careful NOT to jam your...

Page 79: ...s a stainless steel cylinder containing an aluminium anode We recommend to use a non chloride based disinfectant approved for use with water intended for human consumption NOTICE When using means for...

Page 80: ...e is too low If the water temperature is too low the unit uses the backup heater to reach the minimum water temperature first 15 C Check and make sure that The power supply to the backup heater is cor...

Page 81: ...A 8 Installer settings Overview settings 5 01 Possible causes Corrective action There is air in the system Purge air manually or automatically See the air purge function in the Commissioning chapter...

Page 82: ...E7 00 OU Malfunction of outdoor unit fan motor Please contact your dealer E8 00 OU Power input overvoltage Please contact your dealer EA 00 OU Cool heat switchover problem Please contact your dealer H...

Page 83: ...bnormal increase outlet water temperature 8H 03 Overheating water circuit thermostat A1 00 Zero cross detection problem Power reset required Please contact your dealer Error code Detailed error code D...

Page 84: ...ems mainly occurred during space heating operation Check the space heating circuit Error code Detailed error code Description 7H 06 The water flow problems mainly occurred during cooling defrost opera...

Page 85: ...s close the gas stop valve and stop forced cooling a c b d d e a Gas stop valve b Closing direction c Hexagonal wrench d Valve cap e Liquid stop valve 13 3 To start and stop forced cooling Confirm tha...

Page 86: ...CuT 7 9CuT 7 9CuT 12 7CuT 12 7CuT 7 9CuT 6 4CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 6 4CuT 7 9CuT 7 9CuT 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...

Page 87: ...fill valve Field installed Shut off valve with drain fill valve Backup heater 3 way valve Plate heat exchanger Refrigerant inlet Evaporator Condenser Refrigerant outlet Pump Drain cap Manometer Expans...

Page 88: ...M1F Fan motor MR30 MR306 MR307 MR4 Magnetic relay MRM10 MRM20 Magnetic relay MR30_A MR30_B Connector N Neutral PCB1 Printed circuit board main PCB2 Printed circuit board inverter PCB3 Printed circuit...

Page 89: ...ireless Ext thermistor External thermistor Heat pump convector Heat pump convector Add LWT Additional leaving water temperature On OFF thermostat wired On OFF thermostat wired On OFF thermostat wirele...

Page 90: ...ied by PCB English Translation 230 V AC supplied by PCB 230 V AC supplied by PCB Continuous Continuous current DHW pump output Domestic hot water pump output DHW pump Domestic hot water pump Electrica...

Page 91: ...ore main X2M 1 4 add X2M 1a 4 main X2M 1 2 3 4 add X2M 1a 2a 3 4 main X2M 1 2 4 add X2M 1a 2a 4 NC valve X2M 5 7 NO valve X2M 6 7 2 core 2 core 2 core 2 core 2 core 2 core signal 5 core 3 core 4 or 3...

Page 92: ...0626 1 A External static pressure B Water flow rate C Operation range Operation area is extended to lower flow rates only in case the unit operates with heat pump only Not in startup no backup heater...

Page 93: ...ain product or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it Maintenan...

Page 94: ...S18CB3V HBH16CB3V HVH16S18CB3V HBX04CB3V HVX04S18CB3V HBX08CB3V HVX08S18CB3V HBX11CB3V HVX11S18CB3V HBX16CB3V HVX16S18CB3V HBH08CB9W HVH08S26CB9W HBH11CB9W HVH11S26CB9W HBH16CB9W HVH16S26CB9W HBX08CB9...

Page 95: ...1 C 35 C 7 7 1 2 1 08 Set weather dependent cooling Leaving water value for low ambient temp for LWT main zone cooling WD curve R W 9 03 9 02 C step 1 C 22 C 7 7 1 2 1 09 Set weather dependent coolin...

Page 96: ...Secondary rtrn 2 Disinf shunt A 2 2 B C 08 R W 0 No 1 Outdoor sensor 2 Room sensor Capacities A 2 3 1 6 02 R W 0 10kW step 0 2kW 3kW 1 0kW 2 A 2 3 2 6 03 R W 0 10kW step 0 2kW 3kW A 2 3 3 6 04 R W 0 1...

Page 97: ...Saturday 7 Sunday A 4 4 3 2 02 R W 0 23 hour step 1 hour 23 A 4 4 4 2 03 R W E 07 1 55 80 C step 5 C 70 C E 07 1 60 C 60 C A 4 4 5 2 04 R W E 07 1 5 60 min step 5 min 10 min E 07 1 40 60 min step 5 mi...

Page 98: ...d A 8 1 05 R W 0 Disabled 1 Enabled A 8 1 06 R W 10 25 C step 1 C 20 C A 8 1 07 R W 25 43 C step 1 C 35 C A 8 1 08 R W 9 03 9 02 C step 1 C 22 C A 8 1 09 R W 9 03 9 02 C step 1 C 18 C A 8 1 0A R W 0 N...

Page 99: ...2 4 A 8 5 0E 1 A 8 6 00 R W 2 20 C step 1 C 2 C A 8 6 01 R W 0 10 C step 1 C 2 C The temperature difference determining the heat pump OFF temperature What is the requested limit for DI2 What is the r...

Page 100: ...6 C step 0 5 C 1 C A 8 9 0D R W 0 8 step 1 0 100 1 4 80 50 5 8 80 50 6 A 8 9 0E 6 A 8 A 00 0 A 8 A 01 0 5 3 6 What is the maximum desired LWT for add zone in cooling What is the desired delta T in hea...

Page 101: ...Type 1 1 Type 2 A 8 E 03 R O 0 No BUH 1 1 step 2 2 steps A 8 E 04 R O 0 No 1 Yes A 8 E 05 R W 0 No 1 1 Yes 2 A 8 E 06 R O 0 No 1 Yes A 8 E 07 R W 0 6 0 Type 1 1 1 Type 2 2 A 8 E 08 R W 0 Disabled 6 1...

Page 102: ...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 0 No 1 Yes A 8 F 0D R W 0 Continuous 1 Sample 2 Request Close shut off valve during thermo OFF C...

Page 103: ......

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