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15 Troubleshooting

Installer reference guide

EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06

Error code

Detailed error
code

Description

OU: Abnormal high pressure,

actuation of HPS.

Please contact your dealer.

OU: Malfunction of high

pressure sensor.

Please contact your dealer.

OU: Malfunction of discharge

pipe thermistor.

Please contact your dealer.

OU: Malfunction of heat

exchanger thermistor.

Please contact your dealer.

OU: Malfunction of heat

exchanger thermistor.

Please contact your dealer.

OU: Electrical box temperature

rise problem.

Please contact your dealer.

OU: Malfunction of inverter

radiating fin temperature rise.

Please contact your dealer.

OU: Inverter instantaneous

overcurrent (DC).

Please contact your dealer.

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.

Hydro part

Error code

Detailed error
code

Description

Returning water temperature

sensor problem.

Please contact your dealer.

Leaving water temperature

sensor problem.

Please contact your dealer.

Heat exchanger frozen.

Error code

Detailed error
code

Description

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.

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.

Heat exchanger temperature

sensor problem.

Please contact your dealer.

Room temperature sensor

problem.

Please contact your dealer.

Abnormal increase tank

temperature.

Tank preheating

External temperature

sensor problem.

Please contact your dealer.

Содержание Altherma EHY2KOMB28AA

Страница 1: ...Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump English Installer reference guide Daikin Altherma Hybrid hydrosplit heat pump EJHA04AAV3 EHY2KOMB28AA EHY2KOMB32AA ...

Страница 2: ...ation site 24 8 2 1 Installation site requirements of the outdoor unit 25 8 2 2 Additional installation site requirements of the outdoor unit in cold climates 26 8 3 Preparing water piping 26 8 3 1 Water piping lengths and height difference 26 8 3 2 Water circuit requirements 27 8 3 3 Formula to calculate the expansion vessel pre pressure 28 8 3 4 To check the water volume and flow rate 28 8 3 5 C...

Страница 3: ...ptom The unit is NOT heating as expected 86 15 4 2 Symptom The compressor does NOT start space heating or domestic water heating 87 15 4 3 Symptom The pump is making noise cavitation 87 15 4 4 Symptom The pressure relief valve opens 87 15 4 5 Symptom The water pressure relief valve leaks 87 15 4 6 Symptom The space is NOT sufficiently heated at low outdoor temperatures 88 15 4 7 Symptom The pressu...

Страница 4: ... refrigerant WARNING Provide adequate measures to 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...

Страница 5: ...very system so that the unit s compressor does NOT have to operate WARNING ALWAYS recover the refrigerant Do NOT release them directly into the environment Use a vacuum pump to evacuate the installation NOTICE After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a gas leak detection NOTICE To avoid compressor breakdown do NOT charge more than the specified...

Страница 6: ...plicable legislation All field wiring MUST be performed in accordance with the wiring diagram supplied with the product NEVER squeeze bundled cables and make sure they do NOT come in contact with the piping and sharp edges Make sure no external pressure is applied to the terminal connections Make sure to install earth wiring Do NOT earth the unit to a utility pipe surge absorber or telephone earth...

Страница 7: ... or unauthorized modifications to the appliance flue or associated components and systems could invalidate the warranty The manufacturer accepts no liability arising from any such actions excluding statutory rights It is NOT allowed to combine flue system parts purchased from different suppliers 1 2 9 Local legislation See the local and national regulations Local regulations for UK It is law that ...

Страница 8: ...ling Format Paper in the box of the outdoor unit Operation manual Quick guide for basic usage Format Paper in the box of the outdoor unit User reference guide Detailed step by step instructions and background information for basic and advanced usage Format Digital files on http www daikineurope com support and manuals product information Installation manual Heat pump module Installation instructio...

Страница 9: ...d At delivery the unit MUST be checked for damage Any damage MUST be reported immediately to the claims agent of the carrier Bring the packed unit as close as possible to its final installation position to prevent damage during transport Prepare the path along which you want to bring the unit inside in advance 4 2 Outdoor unit 4 2 1 To unpack the outdoor unit 1 2 4 2 2 To handle the outdoor unit C...

Страница 10: ...ler 1 Remove the accessories a b c d a b c d a Mounting strip b Condensate trap c Installation and operation manual d Current loop module cable and installation manual 5 About the system 5 1 Possible system layouts INFORMATION This topic contains basic information about the possible system layouts For more information see the Application guidelines chapter The system layout differs depending on th...

Страница 11: ...ostat Using this gas boiler you can only produce domestic hot water as instant domestic hot water by gas boiler Third party gas boiler Instant domestic hot water e5 10 m e1 e4 e2 e3 f1 f2 f3 f4 f5 a b c d e5 a Outdoor unit b Gas boiler c Space heating circuit d Instant domestic hot water e1 e5 Parts of mandatory options EKADDONJH and EKADDONJH2 connection kit for third party gas boiler For install...

Страница 12: ...ate heater In certain circumstances this is required Bottom plate heater EKBPHT04JH Prevents freeze up of the bottom plate Required in areas with ambient temperature 5 C and high relative humidity for at least 3 consecutive days For installation instructions see the installation manual of the bottom plate heater NOTICE If you install the bottom plate heater you may lower the operation range of the...

Страница 13: ...erfaces are available EKRUHML1 contains the following languages English French Dutch Italian EKRUHML2 contains the following languages English German Dutch Italian For installation instructions see To connect the user interface on page 43 Remote outdoor sensor EKRSCA1 By default the sensor inside the outdoor unit will be used to measure the outdoor temperature As an option the remote outdoor senso...

Страница 14: ...and domestic hot water tank on page 13 Use the tank thermistor from the following option kit EKTH3 Use the 3 way valve from the following option kit EKHY3PART For installation instructions see the installation manual of the domestic hot water tank and the addendum book for optional equipment Thermistor kit for EKHWS D or third party tank EKTH3 Required when connecting one of the following tanks to...

Страница 15: ...er slate steep Pb GLV 60 100 18 22 EKFGS0519 Weather slate steep Pb GLV 60 100 23 17 EKFGP7910 Weather slate steep PF 60 100 25 45 EKFGS0523 Weather slate steep Pb GLV 60 100 43 47 EKFGS0524 Weather slate steep Pb GLV 60 100 48 52 EKFGS0525 Weather slate steep Pb GLV 60 100 53 57 EKFGP1296 Weather slate flat Aluminium 60 100 0 15 EKFGP6940 Weather slate flat Aluminium 60 100 EKFGP2978 Wall termina...

Страница 16: ...GP6368 Tee flex 100 boiler connection set 1 EKFGP6354 Flex 100 60 support elbow EKFGP6215 Tee flex 130 boiler connection set 1 EKFGS0257 Flex 130 60 support elbow EKFGP4678 Chimney connection 60 100 EKFGP5461 Extension PP 60 500 EKFGP5497 Chimney top PP 100 with included flue pipe Accessories Part number Description EKFGP6316 Adapter flex fixed PP 100 EKFGP6337 Support bracket top inox Ø100 EKFGP6...

Страница 17: ...the application guidelines are meant for reference only and are NOT to be used as detailed hydraulic diagrams The detailed hydraulic dimensioning and balancing are NOT shown and are the responsibility of the installer For more information about the configuration settings to optimize heat pump operation see 10 Configuration on page 56 This chapter contains application guidelines for Setting up the ...

Страница 18: ...lues and schedules To deviate from your daily needs you can temporarily overrule the preset values and schedules use the holiday mode Under floor heating or radiators Wireless room thermostat Setup A B b c a A Main leaving water temperature zone B One single room a User interface b Receiver for wireless external room thermostat c Wireless external room thermostat The outdoor unit is connected in s...

Страница 19: ...the main zone A 2 2 4 Code C 05 1 Thermo ON OFF When the used external room thermostat or heat pump convector can only send a thermo ON OFF condition Benefits Efficiency Under floor heating has the best performance with Altherma LT Comfort The combination of the two heat emitter types provides excellent heating comfort of the under floor heating 7 2 2 Multiple rooms One LWT zone If only one leavin...

Страница 20: ...ler of the heat pump convectors The desired room temperature is set via the remote controller of the heat pump convectors The heating demand signals of each heat pump convector are connected in parallel to the digital input on the gas boiler X4 6 and X4 7 The outdoor unit will only supply leaving water temperature when there is an actual demand INFORMATION To increase comfort and performance Daiki...

Страница 21: ...rmostat Configuration 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 Benefits Cost effective You do NOT need an additional external room thermostat Highest comfort and efficiency The smart room thermostat functionality can decrease or increase the desired leaving water temperature based on the a...

Страница 22: ...ature Benefits Compared with under floor heating or radiators for one room Comfort You can set the desired room temperature including schedules for each room via the room thermostats 7 4 Setting up the domestic hot water tank Only applicable in case of EHY2KOMB28 32AA gas boiler 7 4 1 System layout Standalone DHW tank See Dedicated gas boiler Domestic hot water via tank in 5 1 1 Dedicated gas boil...

Страница 23: ...nnect the electrical wiring to the gas boiler on page 44 7 4 4 DHW pump for instant hot water Setup f e a c b d a Outdoor unit b Gas boiler c Tank d Cold water e Shower f Domestic hot water pump By connecting a DHW pump instant hot water can be available at the tap The DHW pump and the installation are field supply and the responsibility of the installer For more information about connecting the r...

Страница 24: ...n connect one external temperature sensor It can measure the outdoor ambient temperature Daikin recommends to use an external temperature sensor in the following cases Outdoor ambient temperature In the outdoor unit the outdoor ambient temperature is measured Therefore the outdoor unit must be installed on a location At the north side of the house or at the side of the house where the most heat em...

Страница 25: ...red 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 environmental noise and sound reflections 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 It is NOT recommended to install the unit in the f...

Страница 26: ...shed and a pedestal 8 3 Preparing water piping 8 3 1 Water piping lengths and height difference In case of EHY2KOMB28 32AA gas boiler e d a H1 b D1 D2 D3 D1 c M a Outdoor unit b EHY2KOMB28 32AA gas boiler c 3 way valve d Space heating circuit e DHW tank if applicable What Distance H1 Maximum height difference between outdoor unit and EHY2KOMB28 32AA gas boiler Depends on the expansion vessel optio...

Страница 27: ...a wall to prevent dust and or particles from entering the pipe Use a decent thread sealant to seal connections NOTICE If glycol is present in the system make sure the thread sealant used is resistant to glycol Closed circuit Use the outdoor unit ONLY in a closed water system Using the system in an open water system will lead to excessive corrosion Piping length It is recommended to avoid long runs...

Страница 28: ...k for more information Domestic hot water tank installation of third party tank with dedicated tank specifications The dedicated tank specifications are coil size is 1 05 m2 a sensor pocket is foreseen above the heating coil The tank sensor should not be in contact with water If the third party tank has at least the same specifications of a dedicated tank the domestic hot water setting E 07 can be...

Страница 29: ... because this unit is equipped with an inverter A phase advancing capacitor will reduce performance and may cause accidents WARNING All wiring MUST be performed by an authorised electrician and MUST comply with the applicable legislation Make electrical connections to the fixed wiring All components procured on site and all electrical construction MUST comply with the applicable legislation WARNIN...

Страница 30: ...ning current Power supply 1 Power supply for outdoor unit 2 GND a User interface 2 User interface 2 b External pump bivalent signal Item Description Wires Maximum running current 3 External pump 2 and 2 GND c 4 Bivalent signal for third party gas boiler g 2 d Optional equipment 5 Bottom plate heater 2 GND e 6 Outdoor ambient temperature sensor 2 d 7 LAN adapter 2 f a See the name plate on the outd...

Страница 31: ...l workflow Mounting the outdoor unit typically consists of the following stages 1 Providing the installation structure 2 Installing the outdoor unit 3 Providing drainage 4 Preventing the unit from falling over 5 Protecting the unit against snow and wind by installing a snow cover and baffle plates See Preparing installation site in 8 Preparation on page 24 9 3 2 Precautions when mounting the outdo...

Страница 32: ...tall the outdoor unit 4 M8 M10 9 3 5 To provide drainage Make sure that condensation water can be evacuated properly Install the unit on a base to make sure that there is proper drainage in order to avoid ice accumulation Prepare a water drainage channel around the foundation to drain waste water away from the unit Avoid drain water flowing over the footpath so that it does NOT become slippery in ...

Страница 33: ...where strong wind can tilt the unit take following measure 1 Prepare 2 cables as indicated in 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 supply 4 Attach the ends of the cables and tighten them 9 4 Mounting the gas boiler 9 4 1 To install the ...

Страница 34: ...sate from freezing 9 5 Condensate pipe work INFORMATION The condensate discharge system MUST be made of plastic no other materials may be used The discharge duct MUST have a minimum gradient of 5 20 mm m Condensate discharge via the gutter is NOT allowed due to risk of frost and the possible damage to the materials 9 5 1 Internal connections If possible the condensate drain pipe should be routed a...

Страница 35: ...ng stages 1 Connecting the water piping of the outdoor unit 2 Providing drainage for the pressure relief valve 3 Connecting the water piping of the gas boiler 4 Protecting the water circuit against freezing 5 Filling the space heating circuit 6 Filling the domestic water circuit of the gas boiler 7 Filling the domestic hot water tank if applicable 8 Insulating the water piping 9 6 2 Precautions wh...

Страница 36: ...sure 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 relief 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 th...

Страница 37: ... or constriction An expansion vessel in the space heating inlet in the B pack or in the installation If there are pipes running up use a check valve within close distance of the unit This prevents a thermosiphon effect from occurring during tap water operation Note that the optional valve kits EKVK4A and EKVK6A can also be used to connect the space heating installation NOTICE Make sure that the st...

Страница 38: ...is selected to counteract acids formed by the oxidation of glycols no automotive glycol is used because their corrosion inhibitors have a limited lifetime and contain silicates which can foul or plug the system galvanized pipes are NOT used in glycol systems since the presence may lead to the precipitation of certain components in the glycol s corrosion inhibitor Adding glycol to the water circuit...

Страница 39: ... the water outlet of the unit without any field piping or valve in between Head up for air supply Possibility 1 b2 With option EKBALLV1 shut off valves with integrated connection for the vacuum breaker For installation instructions see the installation manual of the shut off valves Possibility 2 b2 With T joint field supply shut off valve field supply 3 1 2 b2 9 6 6 To fill the space heating circu...

Страница 40: ...t with water until the boiler display indicates a pressure of 2 bar with a minimum of 0 5 bar Note The pressure relief valve of the outdoor unit is designed to open at 3 bar 6 Purge air from all manual air purge valves in the system open purge air close 7 Check the pressure If it is too low repeat from step 5 8 Turn ON the pump and check if you can still hear air in the circuit After 1 min turn it...

Страница 41: ...er 9 7 2 Precautions when connecting the electrical wiring INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation DANGER RISK OF ELECTROCUTION WARNING ALWAYS use multicore cable for power supply cables WARNING Prevent hazards due to inadvertent resetting of the thermal cut out power to this appliance MUST NOT be supplied through an e...

Страница 42: ... Punch the knockout holes using a hammer and screw driver Insert the cable glands delivered as accessory 5 Inside the unit route the wiring to the switch box as follows 3 a b c d a d See below 6 Inside the switch box connect the wires to the appropriate terminals 7 After connecting all wiring close the front plate and the top plate Connections in case of dedicated gas boiler Routing Possible cable...

Страница 43: ...t 3 Fix the wallplate of the user interface to the wall 4 Connect as shown in 4A 4B 4C or 4D Action 5 Reinstall the faceplate onto the wallplate Be careful NOT to pinch the wiring when attaching the frontplate to the unit 4A From the rear b a PCB 1 4B From the left a PCB b 1 4C From the top a b PCB b 1 4D From the top centre a PCB b b 1 a Notch this part for the wiring to pass through with nippers...

Страница 44: ...of the gas boiler 3 Enter the wiring through the bottom of the unit a b c d e f Part Description Low voltage a Interconnection cable between outdoor unit and gas boiler current loop PCB Factory mounted cable gland b Domestic hot water tank thermistor Knockout hole c Room thermostat or heat pump convector Rubber grommet High voltage d Power supply Factory mounted cable gland e f 3 way valve Knockou...

Страница 45: ...of third party gas boiler Routing Possible cables depends on the installed options a Main power supply high voltage Main power supply Routing Possible cables depends on the installed options b User interface low voltage User interface mandatory option c High voltage Bivalent signal for third party gas boiler field supply External pump cable Power supply mandatory option d Low voltage External outd...

Страница 46: ...4B From the left a PCB b 1 4C From the top a b PCB b 1 4D From the top centre a PCB b b 1 a Notch this part for the wiring to pass through with nippers etc b Secure the wiring to the front part of the casing using the wiring retainer and clamp To connect the bivalent signal for third party gas boiler 1 Connect the bivalent signal for third party gas boiler to the appropriate terminals as shown in ...

Страница 47: ... a dual pipe connection is available 9 9 1 To change the gas boiler to 80 125 concentric connection The concentric connection can be changed from Ø60 100 to Ø80 125 by an adapter set 1 Remove the concentric pipe from the air supply and combustion gas pipe at the top of the gas boiler by turning counterclockwise 2 Remove the O ring from the concentric pipe and fit it around the flange of the concen...

Страница 48: ... Equivalent length for concentric installation 60 100 Length m Bend 90 1 5 Bend 45 1 Equivalent length for dual pipe installation Length m R D 1 Bend 90 2 m Bend 45 1 m R D 0 5 Elbow 90 4 m Elbow 45 2 m R R D D R D 1 R D 0 5 For a dual pipe connection all defined lengths assume a diameter of 80 mm Sample calculation for dual pipe application L6 L4 L3 L1 L2 L5 Pipe Pipe length Total pipe length Flu...

Страница 49: ...ply is in the same pressure zone as the discharge For example a wall terminal through the façade C33 Vertical flue system Flue gas discharge via the roof Inlet opening for the air supply is in the same pressure zone as the discharge For example a vertical roof terminal C43 Joint air supply and flue gas discharge duct CLV system Twin pipe or concentric C53 Separate air supply and separate flue gas ...

Страница 50: ... the joint INFORMATION Flexible flue gas lines may NOT be used in horizontal connection sections INFORMATION The maximum lengths in the table below apply to each gas boiler separately C83 6 C43 5 Twin 80 60 100 80 125 Twin 80 L1 L2 m L1 m L1 m L1 L2 m 80 10 29 80 Special remark regarding C83 See the table below for the minimum diameters of the combined gas exhaust system Number of units Minimum Ø ...

Страница 51: ...party All parts purchased from an external supplier MUST comply with EN14471 b NOT allowed 9 9 6 Flue pipe position See the local and national regulations Especially for UK Only use flue products approved by the boiler manufacturer which can be bought from the supplier of your boiler See 6 3 Combining units and options on page 13 P S C B A M R D J Q G A Q Q N P T2 T2 T2 T1 H T I K L F F N E Termin...

Страница 52: ...TION Flexible flue gas lines may NOT be used in horizontal connection sections 9 9 9 Fitting a vertical flue system A vertical 60 100 mm flue kit is also available By using additional components available from your boiler supplier the kit can be extended up to a maximum length as specified in the table indicating the maximum pipe lengths excluding the initial boiler connection CAUTION Read the ins...

Страница 53: ...ion for choosing the flow material by means of a sticker including an identification string The identification string contains the following information 0000 PY 2017 EN 14471 2013 T120 H1 W 1 2 O 00 LE E U0 0000 PY 2017 EN 14471 2013 T120 H1 W 1 2 O 00 LE E U0 b c d e f a a CE marking b In case of metal the standard must comply to EN 1856 2 In case of plastic the standard must comply to EN 14471 T...

Страница 54: ...eve Maximum distance between clamps Vertical position of pipe Other position of pipe 2000 mm 1000 mm Divide the length between the brackets evenly Every system MUST contain at least 1 bracket Position the first clamp at a maximum of 500 mm from the gasboiler 1000 m m 2000 mm 1000 mm 250 mm 250 mm 250 m m 250 mm 3 50 mm m 1000 m m 1000 m m 500 mm a b A Second clamp after the second elbow B First cl...

Страница 55: ...g the gas boiler installation 9 11 1 To perform an air purge on the gas supply 1 Turn once the screw counterclockwise Result Gas supply will purge air 2 Check all connections for leakage 3 Check the gas supply pressure INFORMATION Make sure the working inlet pressure does NOT interfere with other gas appliances installed 9 11 2 To close the gas boiler 1 Hook the top of the front panel into the top...

Страница 56: ...s 1 Set the user permission level to Installer 2 Go to A Installer settings To access the overview settings 1 Set the user permission level to Installer 2 Go to A 8 Installer settings Overview settings To set the user permission level to Installer 1 Set the user permission level to Adv end user 2 Go to 6 4 Information User permission level 3 Press for more than 4 seconds Result is displayed on the...

Страница 57: ...commissioning of the system When the installer settings are changed the system will request to confirm When confirmation is complete the screen will shortly turn OFF and busy will be displayed for several seconds 10 1 2 Basic configuration Quick wizard Language time and date Code Description A 1 N A Language 1 N A Time and date Quick wizard Standard Space heating settings The system can heat up a ...

Страница 58: ... the third party gas boiler are displayed When the unit detects communication from the EHY2KOMB28 32AA gas boiler the unit automatically changes this setting to 0 and all settings applicable for the EHY2KOMB28 32AA gas boiler are displayed Quick wizard Options Domestic hot water settings Only applicable in case of EHY2KOMB28 32AA gas boiler Following settings must be made accordingly Code Descript...

Страница 59: ...ace and in the heat pump module are used for measurement 1 Outdoor sensor Installed The outdoor sensor will be used to measure the outdoor ambient temperature Remark For some functionality the temperature sensor in the outdoor unit is still used 2 Room sensor NOT applicable Savings mode The user can choose whether switching between operation modes is either economically or ecologically optimised S...

Страница 60: ...d shift actions either preset or custom Remark This value can only be set in leaving water temperature control 3 WD scheduled The desired leaving water temperature is weather dependent i e does depend on the outdoor ambient temperature according a schedule The scheduled actions consists of desired leaving water temperatures either preset or custom Remark This value can only be set in leaving water...

Страница 61: ... interface Code Description N A 8 06 Leaving water temperature maximum modulation Range 0 C 10 C Requires modulation to be enabled This is the value by which the desired leaving water temperature is increased or lowered INFORMATION When leaving water temperature modulation is enabled the weather dependent curve needs to be set to a higher position than 8 06 plus the minimum leaving water temperatu...

Страница 62: ...n select for the domestic hot water You can use this setting to limit the temperatures at the hot water taps INFORMATION During disinfection of the domestic hot water tank the DHW temperature can exceed this maximum temperature INFORMATION Limit the maximum hot water temperature according to the applicable legislation Code Description A 4 5 6 0E Maximum setpoint The maximum temperature that users ...

Страница 63: ...be a 5 C overshoot over the desired boiler leaving water temperature Leaving water temperature compensation around 0 C In heating operation the desired leaving water temperature is locally increased around an outdoor temperature of 0 C This compensation can be selected when using an absolute or a weather dependent desired temperature see illustration below Use this setting to compensate for possib...

Страница 64: ...starting Room frost protection is active even if the user does NOT confirm emergency operation C 07 1 external room thermostat control Under external room thermostat control room frost protection is guaranteed by the external room thermostat provided that the leaving water temperature home page is ON on the user interface and the auto emergency setting A 6 C is set to 1 Additionally limited frost ...

Страница 65: ...he storage economic and reheat temperature are NOT weather dependent In case of reheat only domestic hot water preparation the desired tank temperature is weather dependent according to the weather dependent curve During weather dependent operation the end user cannot adjust the desired tank temperature on the user interface Code Description A 4 6 N A Desired temperature mode Fixed disabled All de...

Страница 66: ...t 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 water temperature drops 5 C below the disinfection ta...

Страница 67: ...icient of performance using the formula Formula Example COP Electricity price gas price a boiler efficiency If Electricity price 20 c kWh Gas price 6 c kWh Boiler efficiency 0 9 Then COP 20 6 0 9 3 a Make sure to use the same units of measurement for the electricity price and gas price example both c kWh 2 Determine the value of C 03 using the graph 14 0 1 2 3 4 5 6 12 10 8 6 4 2 0 2 4 6 8 10 12 1...

Страница 68: ...ettings Auto restart When power returns after a power supply failure the auto restart function reapplies the remote controller settings at the time of the power failure Therefore it is recommended to always enable the function Code Description A 6 1 3 00 Is the auto restart function of the unit allowed 0 No 1 Yes Power consumption control Pwr consumpt control Code Description A 6 3 1 4 08 Mode 0 N...

Страница 69: ...he outdoor temperature drops below the value set by F 01 When the pump operation is enabled the pump operation is possible at all outdoor temperatures Code Description N A F 00 Pump operation 0 Disabled if outdoor temperature is higher than 4 02 or lower than F 01 depending on heating operation mode 1 Possible at all outdoor temperatures Pump speed limitation Pump speed limitation 9 0D defines the...

Страница 70: ...med gas Error information Error history Contact helpdesk number Version User interface Indoor unit Outdoor unit User settings Display Temperature lock Set schedules Preset values Allowed operation mode Unit of measurement Display Contrast Backlit LCD time User profile Set schedules Room temp LWT main DHW temp Quiet mode DHW pump Preset values Room temperature LWT main Tank temperature Quiet level ...

Страница 71: ...rge Actuator test run Standard Unit type Compressor type Indoor software type Unit control method Pump operation mode Power saving possible User interface location Options DHW operation DHW tank DHW tank type DHW pump External sensor Leaving water Main Room thermostat Room temp range Room temp offset Operation range Space heating OFF temp Disinfection Disinfection Operation day Start time Temperat...

Страница 72: ...e Flashing LED above the button and an error code on the main display Prerequisite Check the meaning of the error code see Error codes of the gas boiler on page 92 and resolve the cause 1 Press to restart the gas boiler Maximum space heating supply temperature See the user reference guide for more details Domestic hot water temperature See the user reference guide for more details Keep hot functio...

Страница 73: ... It is however possible to set this parameter to 100 default setting We strongly recommend not modifying this setting Minimum supply temperature of the heat curve 10 C 25 C 25 C Do NOT modify this setting on the boiler Use the user interface instead Maximum supply temperature of the heat curve 30 C 90 C 90 C Do NOT modify this setting on the boiler Use the user interface instead Minimum outside te...

Страница 74: ... week 2 Active 1 time per day Set point space heating flow temperature during heating external domestic hot water tank 60 C 90 C 85 C Do NOT modify this setting on the boiler Use the user interface instead Comfort temperature 0 C 40 C 65 C 0 C Temperature used for eco comfort function When the value is 0 C the eco comfort temperature is the same as the domestic hot water setpoint Otherwise the eco...

Страница 75: ...formed by a certified representative of the manufacturer For more information contact your dealer If a different type of gas is connected to the appliance than that for which the appliance has been set by the manufacturer the gas metering MUST be replaced Conversion sets for other types of gas are available to order See 6 3 3 Possible options for the gas boiler on page 14 1 Switch the boiler off a...

Страница 76: ...nd buttons once will appear on the service display The user interface will display Busy 10 Allow readings to stabilise Wait for at least 3 minutes and compare the CO2 percentage with the values in the table below CO2 value at minimum power Natural gas G20 Natural gas G25 in Belgium Propane P G31 30 50 mb ar Propane P G31 37 mbar Maximum value a Minimum value 8 4 7 4 9 4 9 4 a CO2 value at maximum ...

Страница 77: ...TION For EHY2KOMB28 32AA prolonged instant domestic hot water operation at low outdoor temperatures might be temporarily interrupted to protect the outdoor unit and water piping from freezing 11 3 1 Flow resistance graph for appliance domestic hot water circuit Not applicable for Switzerland 0 2 0 1 3 5 7 9 11 13 15 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 bar B A l min A 28 kW B 32 kW The minimum flow...

Страница 78: ...de and enabling the protective functions If after first installation the installer returns to the site the installer has to set Disable protections On manually Especially for UK At the time of commissioning complete all relevant sections of the Benchmark Checklist on the backpages of this document 12 1 Overview Commissioning This chapter describes what you have to do and know to commission the sys...

Страница 79: ... all air in the water circuit When the air purge function is running the pump operates without actual operation of the unit and the removal of air in the water circuit will start NOTICE Before starting the air purge open the safety valve and check if the circuit is sufficiently filled with water Only if water escapes the valve after opening it you can start the air purge procedure There are 2 mode...

Страница 80: ...t will start up during test operation in the selected operation mode During the test mode the correct operation of the unit can be checked by monitoring leaving water temperature heating mode and tank temperature domestic hot water mode To monitor the temperature go to A 6 and select the information you want to check During a heating test run the unit will start up in hybrid operation The setpoint...

Страница 81: ...set the duration between 1 and 72 hours If a temperature is selected you can set the desired leaving water temperature between 15 C and 55 C 4 To add a new step select h or on an empty line and press 5 To delete a step set the duration to by pressing 6 Press to save the schedule It is important that there is no empty step in the program The schedule will stop when a blank step is programmed OR whe...

Страница 82: ... sure that the leaving water temperature home page room temperature home page and domestic hot water home page are turned OFF There may be no error on the gas boiler or the heat pump module During a gas boiler test run busy will be displayed on the user interface Program Button combination Display Burner ON at minimum power and Burner ON maximum space heating power setting and 1 Burner ON maximum ...

Страница 83: ...all an additional water filter a magnetic cyclone filter is preferable It is recommended to do this maintenance more frequently Relief valve of the domestic hot water tank field supply Open the valve and check the correct operation Water may be very hot Checkpoints are The water flow coming from the relief valve is high enough no blockage of the valve or in between piping is suspected Dirty water ...

Страница 84: ...ue pipe by turning counterclockwise 7 Slide the flue pipe upwards by turning it clockwise until the bottom of the pipe is above the condensate drain pan connection 8 Pull the bottom of the pipe forwards and remove the pipe downwards by turning the pipe alternately clockwise and counterclockwise 9 Lift the condensate drain pan on the left hand side from the connection to the condensate trap 10 Turn...

Страница 85: ...iler CAUTION When fitting the various seals check them for damage hardening tears or hairline tears and or discolouration Replace them when necessary Check the position of the seals Not fitting the sensors S1 and or S2 or fitting them incorrectly can result in serious damage Warranty will be void by NOT correctly replacing the removed parts 1 Check the correct position of the seal around the front...

Страница 86: ...efore troubleshooting Carry out a thorough visual inspection of the unit and look for obvious defects such as loose connections or defective wiring 15 2 Precautions when troubleshooting WARNING When carrying out an inspection on the switch box of the unit ALWAYS make sure that the unit is disconnected from the mains Turn off the respective circuit breaker When a safety device was activated stop th...

Страница 87: ... 15 4 3 Symptom The pump is making noise cavitation Possible causes Corrective action There is air in the system Purge air manually see To perform a manual air purge on page 79 or use the automatic air purge function see To perform an automatic air purge on page 80 Possible causes Corrective action The water pressure at the pump inlet is too low Check and make sure that The water pressure is 1 bar...

Страница 88: ...ettings 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 Possible causes Corrective action The disinfection operation was stopped manually with the user interface displaying the DHW home page and its user permission level set to Installe...

Страница 89: ... space heating temperature Possible causes Corrective action No circulation in the installation Check whether there is circulation At least 2 or 3 radiators MUST be open The boiler power has NOT been correctly set for the installation Adjust the power See Maximum space heating power setting on page 75 No heat transfer as a result of lime scale or fouling in the heat exchanger Descale or flush the ...

Страница 90: ...he content of the error code as it appears on the user interface For a more detailed troubleshooting guideline for each error please see the service manual 15 6 1 Error codes Overview Error codes of the outdoor unit Refrigerant part 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...

Страница 91: ...tact your dealer U7 00 OU Transmission malfunction between main CPU INV CPU Please contact your dealer Hydro part Error code Detailed error code Description 80 00 Returning water temperature sensor problem Please contact your dealer 81 00 Leaving water temperature sensor problem Please contact your dealer 89 01 Heat exchanger frozen Error code Detailed error code Description 89 02 Heat exchanger f...

Страница 92: ...ORMATION Error EC 04 is reset automatically from the moment the domestic hot water tank is preheated to a sufficiently high temperature INFORMATION If the unit detects flow when the pump is not running an external device might be causing flow or there might be something wrong with the flow measuring devices flow sensor and flow switch If the flow sensor detects flow when the pump is not running th...

Страница 93: ...PLOSION Pump down Refrigerant leakage If you want to pump down the system and there is a leak in the refrigerant circuit Do NOT use the unit s automatic pump down function with which you can collect all refrigerant from the system into the outdoor unit Possible consequence Self combustion and explosion of the compressor because of air going into the operating compressor Use a separate recovery sys...

Страница 94: ...c f c l l In case of water without glycol without option EKBALLV1 In case of water without glycol option EKBALLV1 In case of water with glycol without option EKBALLV1 In case of water with glycol option EKBALLV1 Heating Cooling only pump down a1 Water IN a2 Water OUT b1 Stop valve liquid refrigerant b2 Stop valve with service port gas refrigerant c Muffler d Muffler with filter e Heat exchanger f ...

Страница 95: ... options LAN adapter LAN adapter Main supply pump Main supply pump external pump Ext outdoor thermistor External outdoor temperature sensor Bottom plate heater Bottom plate heater X2M Main terminal Earth wiring 15 Wire number 15 Field supply 1 Several wiring possibilities Option Wiring depending on model Switch box PCB 1 Colours BLK black RED red BLU blue WHT white GRN green ORG orange YLW yellow ...

Страница 96: ... X1M 1 3 X11M 5 6 230 V X4 6 7 230 V X4 6 7 230 V X4 9 10 230 V X2 3 5 6 2 0 75 X5M 1 2 2 0 75 External outdoor temperature sensor OPTIONAL PART Only for EKRSCA1 STANDARD PART OUTDOOR UNIT HYDRO Power supply unit power supply 230 V earth DHW PUMP FIELD SUPPLY Bottom plate heater OPTIONAL PART 2 core communication A14P P1 P2 user interface Only for EKRUHML A13P P1 P2 LAN adapter 2 core communicatio...

Страница 97: ...vailable heaters see combination table field supplied Field setting C 02 1 TYPICAL CONFIGURATION Standard 2 high voltage wires Boiler 2 low voltage wires OUTDOOR INDOOR STANDARD PART OUTDOOR UNIT HYDRO Power supply 3 core unit power supply 230 V earth MAIN PUMP OPTIONAL PART A1P X14A earth Bottom plate heater External outdoor temperature sensor 2 core communication A14P P1 P2 user interface A13P P...

Страница 98: ...w rate a Maximum ESP Ø1 1 meter b Minimum ESP Ø1 89 meter For third party gas boiler 3D119867 B l min 20 30 40 50 10 0 5 7 10 15 20 25 A kPa 60 a b 70 A External static pressure B Water flow rate a Maximum ESP range Ø1 1 meter b Minimum ESP Ø1 123 meter Notes The upper operation range is only valid if the flow medium is water If glycol is added to the system the operation range limit is lower Sele...

Страница 99: ...Operating panel and read out t Ionisation ignition electrode u Position of data plate Bottom view a b c d e a Space heating outlet b Instant domestic hot water outlet not applicable for Switzerland c Gas inlet d Instant domestic hot water inlet not applicable for Switzerland e Space heating inlet 17 2 2 Wiring diagram Gas boiler 3 15 AT Current loop module S8 a g f b d e h 1 6 8 4 7 3 5 i c 1 1 1 ...

Страница 100: ...7 6 27 0 kW Output at 80 60 C Min Nom 7 1 23 1 kW 7 4 26 6 kW Output at 50 30 C Min Nom 7 7 25 4 kW 8 2 28 9 kW Nominal output 7 7 23 1 kW 8 2 26 6 kW Efficiency space heating net calorific value 80 60 97 98 Efficiency space heating net calorific value 37 30 30 107 Operation range 30 90 C Pressure drop See ESP curve in the installer reference guide Maximum space heating water pressure 3 bar Maximu...

Страница 101: ...s powered Frequency range 868 3 MHz Effective Radiated Power ERP 12 1 dBm a Maximum space heating power is set at the factory at 60 of the highest value Energy related products specifications Technical data EHY2KOMB28AA EHY2KOMB32AA Condensing boiler Yes Low temperature boiler No B1 boiler No Cogeneration space heater No Combination heater Yes Space heating efficiency class A Rated heat output Pra...

Страница 102: ...bar United Kingdom II2H3P G20 20 mbar G31 30 37 mbar Spain II2H3P G20 20 mbar G31 30 37 mbar Austria II2H3P G20 20 mbar G31 30 50 mbar Bulgaria II2H3P G20 20 mbar G31 30 mbar Czech Republic II2H3 II2H3P G20 20 mbar G31 37 mbar Croatia II2H3P G20 20 mbar G31 30 mbar Hungary II2HS3P G25 25 mbar G31 30 mbar Slovakia II2H3P G20 20 mbar G31 30 50 mbar Slovenia II2H3P G20 20 mbar G31 37 mbar Portugal II...

Страница 103: ...ioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Programmable room thermostat Optimum start control Combination Boiler Fitted Fitted Fitted Automatic bypass to system Fitted Boiler interlock ALL SYSTEMS Yes Yes CENTRAL HEATING MODE OR mbar...

Страница 104: ...ting co uk It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND Where Possible AND Signature SERVICE 02 AND Where Possible AND Signature SERVICE 03 AND Where Possible AND Signature SERVICE 04 AND Where Possible AND Signature SERVICE 05 AND Where Possible AND Signature SERVICE 06...

Страница 105: ...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 Maintenance instructions Instruction manual specified for a certain product or application which explains if relevant how to install configure operate and or maintain the product or application Accessories Lab...

Страница 106: ...1 6 Field settings table Applicable indoor units EHY2KOMB28AA EHY2KOMB32AA NHY2KOMB28AA NHY2KOMB32AA Notes 4P564438 1 2018 12 ...

Страница 107: ...e R W 9 01 min 45 9 00 C step 1 C 25 C Installer settings System layout Standard A 2 1 1 E 00 R O 0 6 6 Monobloc Hybrid A 2 1 2 E 01 R O 0 08 A 2 1 3 E 02 R O 0 Type 1 1 Type2 A 2 1 7 C 07 R W 0 LWT control 1 Ext RT control 2 RT control A 2 1 9 F 0D R W 0 Continuous 1 Sample 2 Request A 2 1 A E 04 R O 1 Yes A 2 1 B R W 0 At unit 1 In room A 2 1 C E 0D Glycol setting R W 0 No 1 Yes A 2 1 D 4 04 Wat...

Страница 108: ...5 C step 1 C 75 C E 07 6 40 60 C step 1 C 60 C E 06 0 40 65 C step 1 C 65 C SP mode A 4 6 R W 0 Fixed 1 Weather dep Weather dependent curve A 4 7 0 0B Weather dependent curve DHW setpoint for high ambient temp for DHW WD curve R W 35 6 0E C step 1 C 55 C A 4 7 0 0C Weather dependent curve DHW setpoint for low ambient temp for DHW WD curve R W 45 6 0E C step 1 C 60 C A 4 7 0 0D Weather dependent cu...

Страница 109: ... pump operation 2 OFF A 8 4 05 0 A 8 4 06 0 A 8 4 07 0 A 8 4 08 R W 0 No limitation 1 Continuous 2 Digital inputs A 8 4 09 R W 0 Current 1 Power A 8 4 0A 0 A 8 4 0B 1 C A 8 4 0D 3 C A 8 5 00 1 A 8 5 01 R W 15 35 C step 1 C 5 C A 8 5 02 0 Is boiler operation allowed above equilibrium temperature during space heating operation What is the equilibrium temperature for the building Which power limitati...

Страница 110: ...A 8 9 01 R W 15 37 C step 1 C 25 C A 8 9 02 22 C A 8 9 03 5 C A 8 9 04 1 A 8 9 05 25 C A 8 9 06 55 C A 8 9 07 5 C A 8 9 08 22 C A 8 9 0C R W 1 6 C step 0 5 C 1 C A 8 9 0D R W 0 8 step 1 6 A 8 9 0E 0 8 step 1 6 A 8 A 00 0 A 8 A 01 0 A 8 A 02 0 A 8 A 03 0 A 8 A 04 0 A 8 B 00 0 A 8 B 01 0 A 8 B 02 0 A 8 B 03 0 A 8 B 04 0 A 8 C 00 R W 0 Solar priority 1 Heat pump priority A 8 C 01 0 A 8 C 02 R W 0 Boi...

Страница 111: ...led 1 Enabled A 8 F 01 20 C A 8 F 02 R W 3 10 C step 1 C 3 C A 8 F 03 R W 2 5 C step 1 C 5 C A 8 F 04 R W 0 No 1 BPH only 2 BPH DTH Type1 3 BPH DTH Type2 4 BPH DTH Type3 A 8 F 05 0 A 8 F 09 0 A 8 F 0A 0 A 8 F 0B 0 A 8 F 0D R W 0 Continuous 1 Sample 2 Request What is the pump operation mode Bottom plate heater ON temperature Bottom plate heater hysteresis What is the configuration of electric heate...

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