Kronoterm WP4 LF-502 Instructions For Use And Installation Download Page 1

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Instructions For Use And Installation

Heat Pumps for Sanitary Water Heating

WP4 LF-502

This manual is to be handed over to the end user

after installation!

ID.:

17-16-20-2979-10 / 3.2018

Summary of Contents for WP4 LF-502

Page 1: ...Instructions For Use And Installation Heat Pumps for Sanitary Water Heating WP4 LF 502 This manual is to be handed over to the end user after installation ID 17 16 20 2979 10 3 2018 EN ...

Page 2: ...by Kronoterm d o o This document is copyrighted Any use outside the provisions of the copyright law without the permission of Kronoterm d o o is illegal and punishable by law All previous versions of this document are void We reserve the right to make changes We reserve the right to change this document and for printing errors ...

Page 3: ...al Heating Source alternative additional source 21 5 7 Placement of External Controller Temperature Probe 25 5 8 Parallel Connection of Several Devices 26 5 8 1 Connection of Cold Hot Water and Circulation 26 5 8 2 Connection to Boiler 27 5 8 3 Air Canal Connection 27 5 9 Electric Connection 28 5 9 1 Power Supply 29 5 9 2 Additional Heat Source Connection 30 6 Device Startup 31 6 1 Filling Device ...

Page 4: ...ct choice of the additional source 42 8 2 2 Choosing the correct operation mode of the external source 42 8 3 Additional Operation Programmes 43 8 3 1 Backup Source 43 8 3 2 Quick Water Heating 43 8 3 3 Anti freeze Programme 44 8 3 4 PHOTOVOLTAICS 44 8 3 5 Bivalent mode Programme 44 8 3 6 Defrost Programme 44 9 Errors and Warnings 45 9 1 Warnings 45 9 2 Errors 46 9 3 Errors of the OPTITRONIC 2 WEB...

Page 5: ...r property damage To limit risks the manual uses symbols to emphasize important information 2 1 Symbols When installing performing maintenance or using various levels of danger may occur In certain parts of these instructions you will find warnings with which we wish to ensure the safety of the user remove the potential dangers and ensure the proper operation of the device These symbols mark vario...

Page 6: ...y only be carried out by a trained installation technician for electric installations 2 3 Safety Warnings and Instructions WARNING The device must not be placed where there are harmful substances which could damage it in the air barns dangerous substance storage open air etc WARNING The inflow pipe must obligatorily be equipped with a safety valve with nominal pressure of 0 6 MPa 6 bar which preve...

Page 7: ...st be exposed to outside air Should you add a valve to the pipe it has to be turned downwards so that the water in it cannot freeze WARNING It is forbidden to play with the device Children are strictly forbidden from cleaning the device without supervision WARNING The device may be independently used only by person familiar with the safe operation and understanding possible dangers of the device C...

Page 8: ...ed out by a service technician authorised by the manufacturer In case of a defect first contact the installation technician that installed the device WARNING Never clean the device with cleaning agents which contain sand soda acid or chlorides as they can damage the surface of the device WARNING The device contains the coolant R134a which compliant with the Kyoto Protocol is listed among greenhous...

Page 9: ...given all documentation that came with the device 2 6 Customer Support Service Customer support and service while warranty lasts are provided by device manufacturer When submitting a service claim we ask you to provide the following information Exact name of the product Serial number Year of manufacture All required data is listed on the label on the device NOTE In any case of a change or replacem...

Page 10: ...otected with a protective foil or cardboard packaging in order to prevent mechanical damage WARNING When moving the device it is obligatory to unplug it from the power grid WARNING The device has impact sensitive parts so it is important to avoid any impacts during transportation or any instance of the pump falling WARNING The mass of the device exceeds the permitted lifting mass for one person Al...

Page 11: ...at the heat pump will only cool the area if there is a need to heat the sanitary water NOTE For the highest efficiency and savings we recommend that you use air from areas with waste heat boiler room laundry room kitchen cellar pantry as a heat source and that the air temperature is as high as possible 3 2 Components A A Device generator casing B Fan C Evaporator D Compressor E Dehydrator F Thermo...

Page 12: ...to boiler heating circulation pump switch on Safety thermostat The electric heater contains a safety thermostat with a limit at 85 C This means that in the case that the temperature in hot water tank is exceeded the power supply will be switched off and the device will stop operating To restart the device call authorised installation technician who must verify and remove the reason of the safety s...

Page 13: ...stem within which the coolant R134a circles as a heat exchanger At lower pressure and lower temperature e g 10 C the coolant is vaporised in the heat pump vaporizer thereby drawing heat from the air Then the coolant is compressed to a higher pressure in the compressor which makes its temperature rise to the temperature higher than that of the water in the boiler The coolant then gives away the hea...

Page 14: ...changer supply pipe G1 D Circulation connection G3 4 E Hot water connection G1 F Connection for removal of water condensation 16 G Connection for additional electric heater 6 4 H Connection for the installation of a watertight tube with a threaded plug G1 2 for the measurement of cold water temperature I Channel for the temperature sensor of the heat exchanger ...

Page 15: ... the outside air exhaust into the surroundings Figure 3 Suction and exhaust into neighbouring room e g pantry cooling The most common placement of the heat pump is such that the air is sucked from areas where there is a lot of waste heat This air has a part of its heat removed then released into the surrounding Air in kitchens laundry rooms sanitary facilities often contains unpleasant odours so i...

Page 16: ...angerous substance storage open air etc 5 1 Minimal spacing of the device The device may be placed into a room with or without installing air channels This influences minimal spacing from the walls which depend on the direction of entry and exit of air Figure 4 Minimal spacing between walls ceiling in the case of air intake from the same room ...

Page 17: ...ring operation to prevent potential leaking of water condensation Figure 6 Device levelling The device has to be levelled as shown on the image above 5 3 Hydraulic Connection Hydraulic connection must be carried out in accordance with the valid national and local regulations which are in force for the connection of sanitary water tanks The room with the device must have a drain below the level of ...

Page 18: ...d alloy for each attachment at least 2x pipe diameter in length WARNING The water tank is intended for potable water so it must obligatorily comply with the valid national regulations on potable water or device damage may occur and the warranty is nullified 1 Ball valve 5 Expansion vessel 2 Pressure reducing valve 6 Drain tap 3 Check valve 7 Circulation pump 4 Safety valve 8 Device generator 3 1 1...

Page 19: ... of the device into any room which is spacious enough ventilation of desired room exhaust of waste air or intake of fresh air from the environment In the case of air canal use keep in mind that air pipes and every additional knee represent additional air resistance and lesser capacity of the device Table 1 shows maximal permitted canal lengths Air canals must be isolated to prevent water condensat...

Page 20: ...air and in others up to 10 litres of condensed water may be produced Attachment of pipe for condensation outlet to the device Siphon for prevention of unpleasant odour seeping from the drain The water condensation outlet pipe must be laid in a way where the water may always freely flow out Connect outlet pipe with drain Should this not be possible ensure a collection canister which must be regular...

Page 21: ...e For proper functioning you must connect the circulation pump and the temperature sensor correctly and set the parameters in the device controller For a proper electrical connection of the attachments follow the instructions in the chapter about the electrical connection and for the setting of the controller the chapter on operation WARNING Due to use of different materials on the pipe installati...

Page 22: ... 0 pH value mg L 7 5 7 5 9 9 0 0 Oxygen mg L 2 2 0 Hydrogen sulphide H2S mg L 0 05 0 05 HCO3 SO4 2 mg L 1 1 0 Hydrogencarbonate HCO3 mg L 70 70 300 300 0 0 Aluminium Al separate mg L 0 2 0 2 0 Sulphates mg L 70 70 300 300 0 Sulphite SO3 mg L 1 Chlorine gas Cl2 mg L 1 1 5 5 0 Table Influence of various aggressive substances in heating water onto the durability of hot sanitary water tank no influenc...

Page 23: ...8 Device generator 3 Check valve 9 Furnace 4 Safety valve 10 Heating water hopper 5 Expansion vessel 11 Solar energy collectors 6 Drain tap dT Differential thermostat 7 Circulation pump dT1 External differential thermostat 3 1 1 5 6 1 1 1 1 2 3 4 1 7 1 1 7 1 9 8 Figure 9 Heat pump combined with furnace 3 1 1 5 6 1 1 1 2 3 7 1 1 1 3 7 1 4 5 4 11 8 Figure 10 Heat pump combined with solar collectors ...

Page 24: ...ID 17 16 20 2979 10 24 3 2018 1 2 3 1 1 3 1 7 4 5 6 1 11 3 1 1 7 1 3 1 4 5 9 12 3 1 12 2 4 5 7 1 12 1 8 1 1 1 12 dT 12 4 A B C D Figure 10 Heat pump combined with solar collectors and furnace SET SOLAR ...

Page 25: ...ation of the watertight tube of an additional sensor for the measurement of cold water temperature in the device The connection is used in applications where the temperature of the entire water heater volume must be checked with an external controller NOTE To ensure a safe and efficient operation of the additional heat source for the preparation of sanitary water boiler solar collectors the contro...

Page 26: ...tion must comply with the instructions below 5 8 1 Connection of Cold Hot Water and Circulation 1 Ball valve 7 Circulation pump 2 Reduction valve 8 Reduction valve 3 Check valve 9 Device 4 Safety valve A Cold water 5 Expansion vessel B Hot water 6 Release valve C Circulation 3 1 1 5 1 1 2 3 4 7 10 6 3 1 1 1 1 1 3 3 3 10 6 10 6 10 6 DN 25 DN 25 DN 25 DN 25 DN 25 DN 25 DN 25 DN 25 DN 25 DN 25 DN 25 ...

Page 27: ...valve 4 Safety valve 9 Device 5 Expansion vessel 10 Boiler 5 8 3 Air Canal Connection 9 Device A Intake canal B Exhaust canal Table Internal diameter of pipes depending on length of canals and number of devices Number of devices Length of canals 1 2 3 4 5 6 7 8 9 10 10 m 20 m 30 m Largest allowed pressure drop on an individual device is 55 Pa 10 B A ...

Page 28: ... power grid must take place in accordance with standards for connection to electrical grids The device must be connected to the electrical grid via a shutdown element built into the electrical installation according to valid regulations The shutdown element must separate all contacts under the conditions of overload category III DANGER The device must be connected to the electricity supply where t...

Page 29: ...tion types the pin is used for earthing and the pin N for a neutral lead 1f detailed connection is described below in points a and b while the 3f connection is described in point c a Single phase connection with maximal current load of 16 A This connection is used when single phase power supply with 16 A fuses is available In this connection type connect power supply phase to pin 3 This is connect...

Page 30: ...his type of connection every phase is connected to an individual pin 1 2 3 4 and 5 This enables the operation of the device generator and both installed electric heaters 2 x 2 kW Supply cable needs to have a circumsection 5 x 1 5 mm2 Maximal total electrical power for this connection is 5 5 kW 5 9 2 Additional Heat Source Connection Left connection pin is intended for the connection of the circula...

Page 31: ... 6 Device Startup 6 1 Filling Device with Water After a professional attachment of the heat pump onto the plumbing the system needs to be filled with water and air thoroughly removed from it This is done by opening all faucets in the apartment When water flows without interruptions from all faucets there is no more air in the system WARNING The appliance must never function without water in the ho...

Page 32: ...d of system statuses Operation of compressor and backup source Alternative additional source state Device generator heating sanitary water Internal electric heater active Backup source programme active External source active Device on standby Internal heater and external source active Device in startup mode Active programme Warningsa nd defects Anti freeze programme active External input influenci...

Page 33: ...er window with When we aren t using the controller the screen displays screensavers Those are meant for quick display of important heating system information Presence of individual screensavers depends on the activities and individual functions type of heat pump and presence of module Optitronic WEB Module Move between windows with the key Exit from screensaver view with the key 7 2 1 All screensa...

Page 34: ...d Display of connection status for local network connection 7 3 Menu In the basic window by pressing we enter into the menu The menu contains settings and programmes of device operation Enter menu with key Move between menus with keys or Use key to enter desired submenu Use keys or to select desired setting in submenu Use key to confirm new setting If you wish to cancel the change use key to retur...

Page 35: ...n Programme Using direction keys and select between basic device operation programmes Confirm selection with the key NOTE Additional operation programmes such as Quick water heating chapter 7 3 2 Daily schedule chapter 7 3 6 Vacation chapter 7 3 8 etc have priority over basic operation programmes Operation programme NORMAL Operation programme COMFORT PLUS Operation programme ECO Operation programm...

Page 36: ...y interval has a set starting time ending time and programme of operation In the time outside the set intervals of the schedule the device operates according to the basic programme NOTE To set and operate weekly schedules the device needs to be equipped with the Opritronic WEB module option Move between schedule setup windows with the key Enter schedule setting with the key Pick the day of the wee...

Page 37: ...device automatically switches back to basic operation programme NOTE In the case that the vacation programme was activated and in operation at least for 1 day the overheating programme will activate after the ended vacation programme chapter 7 3 11 Move between schedule setup windows with the key Enter vacation setting with the key Turn vacation programme ON or OFF Set number of days duration of v...

Page 38: ... often as energy consumption during overheating is 1 3 higher than during normal operation 7 3 12 Automatic Quick Water Heating Programme Quick water heating chapter 8 3 2 can be triggered automatically when water temperature falls below the set value Move between setup windows with the key Enter setting with the key Turn programme ON or OFF Set temperature at which the Quick Water Heating program...

Page 39: ...y water 7 3 15 2 Additional Source Selection Additional source function chapter 8 2 allows the activation of one or a combination of heat sources Selection depends on heat pump type and presence of other heat sources in the heating system Internal electric heater Internal electric heater and external source External source Deactivation of additional source function 7 3 15 3 External Input The devi...

Page 40: ...erature difference is 5 C while in the case of water temperature 55 C and more standby equals 10 C Between temperatures 40 C and 55 C the standby temperature difference is calculated in a linear way between 5 and 10 C Static standby Other standby settings are static and are the same for all water temperatures The minimal temperature difference is thus 2 C and the maximal 10 C Factory standby diffe...

Page 41: ... g entering air temperature can not provide enough power the device adds the additional power source e g electric heater to aid in water heating ECO Water is heated to desired temperature chapter 7 1 3 with a considered negative deviation ECO The final water temperature is lower than in the NORMAL mode ECO deviation setting can be found in the user menu chapter 7 3 4 COMFORT Water is heated to des...

Page 42: ...ditional external electric heater furnace oil gas pellet wood biomass The operation mode of the external source with the device s generator priority is used in cases when the external source is always available These methods of heating are the additional external electric heater furnace oil gas pellet wood biomass This kind of operation mode means the controller in its basic mode will always use t...

Page 43: ...or E02 chapter 9 2 Connecting the sensor is described in chapter 5 9 2 In case the basic programme Additional source is chosen heating the water will only be performed in case the external source will have enough heat and not otherwise 8 3 Additional Operation Programmes 8 3 1 Backup Source In case of a malfunction on the device s generator the device automatically goes into temporary operation in...

Page 44: ...3 When the PV signal is present the device generator heats water to maximal work margin of the compressor temperature 65 C and from there on to the set temperature of the programme photovoltaics chapter 7 3 15 water is heated by the internal electrical heater If external source is mounted to the heat pump chapter 8 2 2 2 the external source will be used for heating when it is available NOTE SETTIN...

Page 45: ...tivation block is triggered To remove the error the area where the device is installed must be ventilated so that cooler air may enter the device Should cooler air not be available it is recommended to manually activate the backup source chapter 7 3 10 or additional source chapter 7 3 3 if one is selected chapter 7 3 15 2 WARNING W03 High Pressure In the case of pressure in the cooling system of t...

Page 46: ...r temperature probe error the device shuts down and the additional chosen source or internal electric heater are also inactive Only ventilation operates in the case that it is set to Service has to be called to remove the error Error E02 External Source Temperature Probe Error Should there be an error on the external source temperature probe the device continues to operate but operation with exter...

Page 47: ...ected as too high thrice WARNING W03 the device shuts down and Anti Freeze program becomes active chapter 8 3 3 To remove the error check if there is sufficient water in the water tank of the device If the error continues to be displayed in spite sufficient water service has to be called Heating until the arrival of the service requires a manual activation of the backup source chapter 7 3 10 or ad...

Page 48: ...n cease to operate The electronics displays error E09 which means a fault in controller supply voltage The error will be resolved after establishing normal operation voltage and the device will start operating 9 3 Errors of the OPTITRONIC 2 WEB module option Error E81 Error on the connection between WEB module and device controller To remove error the cable connecting WEB module and the device see...

Page 49: ...rasive damp cloth and mild suds Use of inappropriate cleaning agents can damage the surface of the device It is forbidden to use agressive cleaning agents solvents or cleaning agents which contain chlorine Regularly check device operation especially operation of safety valve on the plumbing cleanliness of the evaporator surface If the evaporator surface is dirty order cleaning from authorised inst...

Page 50: ...U2 N Z 2μF 400Vac PE U1 U2 Z N L V1 V2 Q1 Q2 32 22 12 31 21 11 NTC NTC 8 6 1 3 1 4 1 5 1 2 3 3 1 4 5 3 2 DIGITAL INPUT Pressure switch 1 Pressure switch 2 DI4 WATER EXT SPURCE INPUT AIR EVAPOR DISPLAY WEB ANALOG INPUT COMM PORTS PUMP CONTACT EXT INPUT INPUT 230V COMPR L N N L EL HEATER MAG VALVE FAN FAN 1 N FAN 2 12 Q1 Q2 NTC 5 4 3 2 1 7 6 N L L N 8 1 2 14 13 12 11 10 9 8 6 1 6 2 6 3 7 1 7 2 10 1 ...

Page 51: ...r W 980 Maximal electrical power W 1506 3506 1 5506 2 Protection class IP21 DIMENSIONS WEIGHT AND FILLING Dimensions W x H x D mm 792 x 2070 x 870 Dimensions packaged W x H x D mm 820 x 2200 x 920 Mass kg 240 Coolant type quantity of coolant g R134a 1800 Max pressure permitted in the device MPa 2 3 23 bar NOISE Noise power level dB A 60 Noise pressure level at a distance of 1m dB A 49 RANGE OF OPE...

Page 52: ...ctrical power circulation pump etc Maximal electrical power of the device compressor electric heater additional load Cooling circuit DHW Heat exchanger in the DHW Heating system Internal device Hydraulic module or Termotronic External device WPL or WPLV Device mass Note about handling waste electronic equipment CE sign for the compliance of the device with CE directives ...

Page 53: ...ID 17 16 20 2979 10 53 3 2018 ...

Page 54: ...ID 17 16 20 2979 10 54 3 2018 ...

Page 55: ...ID 17 16 20 2979 10 55 3 2018 ...

Page 56: ...d production Kronoterm d o o Trnava 5e 3303 Gomilsko Tel 00386 3 703 16 20 Fax 00386 3 703 16 33 Web page www kronoterm com E mail info kronoterm com Customer support and service 00386 3 703 16 26 E mail servis kronoterm com ...

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Kronoterm WP4 LF-502, Instructions For Use And Installation

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