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Instructions for Use and Installation

Of the Heat Pump for Heating DHW

WP2 LF-202S
WP2 LF-302S

The manual has to be handed over to the end user after installation.

ID.: 17-16-20-2976-06 / 6.2017

ENG

Summary of Contents for WP2 LF-202S

Page 1: ...Instructions for Use and Installation Of the Heat Pump for Heating DHW WP2 LF 202S WP2 LF 302S The manual has to be handed over to the end user after installation ID 17 16 20 2976 06 6 2017 ENG ...

Page 2: ... Slovenia copyright 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 and mistakes in print ...

Page 3: ...rnal controller 25 5 8 Electrical connection 26 5 8 1 The electrical connection of the additional heat source and external switch 26 6 Commissioning of the device 27 6 1 Filling the device with water 27 6 2 Inspections before commissioning 27 6 3 Connecting the device to the electrical supply 28 6 4 Commissioning of the device 28 7 Controller 29 7 1 Controls 29 7 2 The program and parameters 30 7 ...

Page 4: ...ID 17 16 20 2976 06 6 2017 3 8 2 Errors 34 9 Disposal 35 10 Care and maintenance 35 11 Disturbances in the operation 35 12 Electrical wiring diagram 35 13 Technical data 37 14 Legend of data label 38 ...

Page 5: ...n in this manual is highlighted with symbols 2 1 Symbols Various levels of danger can occur while performing installation maintenance and use Warnings in the manual will guide you to properly and safely handle the device by avoiding eventual dangers and ensure correct operation of the device These symbols mark various risks for the user or the device DANGER Risk of situations which can lead to ser...

Page 6: ...alified installer 2 3 Safety warnings and instructions WARNING The device cannot be installed on a location where air is polluted with toxic agents which could damage the device stables warehouses with dangerous substances outdoors etc WARNING The inlet pipe of the device has to be fitted with a safety valve with a nominal pressure of 0 6 MPa 6 bar which prevents pressure raising in the water heat...

Page 7: ...g downward so the water inside cannot freeze WARNING It is prohibited to play with the device Children are not allowed to clean the device without supervision WARNING The device can be operated independently only by persons who are familiar with the safe operation of the device and understand possible hazards of its operation Children older than 8 and people with reduced physical and mental capaci...

Page 8: ...unction first contact the installer who installed the device WARNING The device must never be cleaned with cleaning agents containing sand soda acid or chlorides because these might damage the surface of the device WARNING The device contains the coolant R134a which is classified as a greenhouse gas according to the Kyoto protocol This is why operating the device is only allowed to persons authori...

Page 9: ...aintain the device for keeping the device functioning properly throughout its entire lifespan To instruct the user about the operation of the whole system To give the user all the documentation accompanying the device 2 6 Customer support and service The manufacturer of the device provides customer support and service during the warranty period When filing a service claim provide the following inf...

Page 10: ... a dry and clean place The allowed storing temperature is between 10 C and 45 C for a short period up to 24h also up to 55 C 2 10Transport The device packed in a cardboard packaging can be transported in the vertical or horizontal position In a horizontal position the device can only be tilted to the right seen from the front side as defined on the cardboard packaging CAUTION Horizontal transport ...

Page 11: ...rizontal position if it is placed on its right side in the direction where the connections are visible Placing the device in other horizontal positions is strictly prohibited 2 11Delivery package Delivery package 1 Heat pump 2 Pipe for water condensation drainage 3 Instructions for Use and Installation 3 Technical description 3 1 General The heat pump is a device intended for efficient heating of ...

Page 12: ...ene EPP which also functions as heat and noise insulation for the generator The casing has two connections for air channels which offer remote air intake and outlet from other rooms or the surroundings via pipe connection The DHW buffer tank has a built in heat exchanger which can be connected to an external fossil fuel biomass or solar collector DHW Buffer tank for DHW The buffer tank for DHW is ...

Page 13: ...his case the thermostat has to be manually reset For a renewed commissioning of the thermostat it is necessary to call the authorised installer Controlling the water temperature in the buffer tank for DHW An advanced controller with the label OPTITRONIC is responsible for controlling water heating to the desired temperature Depending on the set desired temperature of water the controller turns the...

Page 14: ... e 10 C the coolant is evaporated in the evaporator and thus removes heat from the air Afterwards the compressor compresses the coolant to a higher pressure this results in the raising of the coolant temperature to a level higher than the water temperature in the buffer tank for DHW The coolant then releases the heat in the condenser into the water and condenses as a result With the expansion of t...

Page 15: ...1700 2030 H mm 840 840 I mm 1597 1927 J mm 1252 1584 K mm 1790 2105 1 Cold water connection G1 2 Heat exchanger connection return G1 3 Heat exchanger connection supply pipe G1 4 Circulation connection G3 4 5 Hot water connection G1 6 Screen 7 Flange 8 Air connection Φ180 9 Connection for water condensate drainage Φ16 10 Heat exchanger temperature sensor duct 11 Electrical connections ...

Page 16: ...rough air channels and blow it into the adjoining rooms or surroundings The device can be installed in the following ways Picture 1 Drawing air from the adjoining room and releasing it back into it i e drying clothes Picture 2 Drawing air from the same room and releasing it back into it Picture 3 Drawing air from the adjoining room and releasing it back into it i e pantry cooling Picture 4 Drawing...

Page 17: ...lled in a room with installed air ducts or without them This influences the minimal clearance of the device from the walls these depend on the direction of air intake and outlet chapter 5 4 D B A C A C Picture 5 Minimal clearance from the walls Air intake Φ180 Air outlet Φ180 A mm B mm C mm D mm Without bend With bend on the outlet Without bend With bend on the outlet On the side On the side 1000 ...

Page 18: ... tank for DHW The surface on which the device is laid must be level Thus we ensure the device is levelled on all sides Otherwise unwanted overflow of condensate can occur in the collecting vessel 5 3 Hydraulic connection The hydraulic connection has to be installed in accordance with the national and local regulations for connecting buffer tanks for DHW in force The room the device is installed in...

Page 19: ...nty can arise 1 Closing valve 5 Expansion tank 2 Pressure reducing valve 6 Charging pipe 3 Check valve 7 Circulation pump 4 Safety valve 8 Device generator 1 2 3 1 4 5 6 1 7 3 1 1 8 Picture 7 Connecting the device to the water supply Dimensions of the expansion tank Adjusting the safety valve bar 6 System pressure bar 3 0 3 5 4 0 Volume of buffer tank for DHW L Expansion tank L 200 5 8 12 270 8 8 ...

Page 20: ... The construction of the casing enables turning the air connections upwards and sideways enabling changing the direction of air intake and outlet This way the device can be optimally placed into the room minimal clearance from the walls the number of elements and air ducts which cause additional air pressure drops and lessen the characteristics of the device can be reduced To change the direction ...

Page 21: ...gths of air ducts Maximal length of air ducts m Internal diameter 150 mm 10 Internal diameter 160 mm 15 Internal diameter 200 mm 25 When determining the end length of air ducts the equivalent length of elements such as bends reducers has to be taken into account Accessories Equivalent length in m Bend 90 Φ 160 mm 3 Bend 90 Φ 200 mm 2 Reducer Φ 200xΦ 160 1 External grill Φ 160 mm 2 NOTE The device ...

Page 22: ...the pipe for water condensate drainage to the device The syphon for preventing the intake of unpleasant odours from the drain The pipe for water condensate drainage has to be routed in a manner which enables the water free flow at all time Connect the drainage pipe with the drain If this is not possible a collecting vessel has to be installed which has to be emptied on a regular basis NOTE When in...

Page 23: ... built in heat exchanger in the buffer tank for DHW has to be in accordance with the requirements of standard VDI 2035 The heating system has to be filled with soft water which has been added anti corrosion and antibacterial agents for preventing corrosion Before filling the heating system has to be cleaned of all impurities The heating system has to be thoroughly vented Air leaking into the syste...

Page 24: ...hates mg L 70 70 300 300 0 Sulphite SO3 mg L 1 Chlorine gas Cl2 mg L 1 1 5 5 0 Table Influences of various aggressive substances in heating water on the durability of the buffer tank for DHW no influence 0 danger of corrosion corrosion use not permitted CAUTION The heating system has to be filled with water with the hardness between 5 dH and 10 dH Malfunctions of the device because of water hardne...

Page 25: ... reducing valve 8 Device generator 3 Check valve 9 DHW 4 Safety valve 10 Heating water buffer tank 5 Expansion tank 11 Solar energy collector 6 Charging pipe dT Differential thermostat 1 2 3 1 4 5 6 3 1 1 7 1 4 5 1 7 9 3 1 1 8 Picture 9 Device in combination with the DHW 1 2 3 1 1 3 1 7 4 5 6 1 11 3 1 1 7 8 Picture 10 Device in combination with collectors of solar energy ...

Page 26: ...the temperature sensor for the external controller In case of using a controller for the additional source install the temperature sensor for the external controller in the appropriate duct on the right side of the device under the black plastic cover as indicated on the picture Picture 12 The duct for the temperature sensor on the right side of the device ...

Page 27: ...n the device it is necessary to follow the instructions in chapter 6 4 CAUTION The connecting cable has a standard plug suitable for a standard socket 16 A 230 V ac This socket has to have its own power supply directly from the main electrical cabinet Other devices must not be connected to the same line DANGER The device must be connected to the electricity supply where the RCD FID switch of type ...

Page 28: ...y or using photovoltaic energy the device automatically switches to the operating programme triggered by the PV signal which enables saving electricity 6 Commissioning of the device 6 1 Filling the device with water After an expert has connected the device to the water supply the system has to be filled with water and thoroughly vented This is performed by opening all water taps in the residence W...

Page 29: ...ains the entire system starts up and starts heating the water in the buffer tank for DHW The device starts operating and operates until the set breaking temperature is reached The breaking temperature is factory set to 52 C After shut down the operation is interrupted until the water cools for 5 C i e to 47 C When the water in the buffer tank for DHW reaches this temperature the device turns on ag...

Page 30: ...device BUTTON Description P Key for changing the operation mode HT Key for thermal disinfection protection against legionella and quick heating Key for adjusting the temperature or parameter values Key for adjusting the temperature or parameter values INDICATOR Description 1 Indicator 1 for quick heating and thermal disinfection 2 Indicator 2 for compressor safeguard 3 Indicator 3 for compressor o...

Page 31: ...ing temperature Programmes Mark of the programme Name P 0 Programme Antifreeze P 1 Programme Normal P 3 Programme Res source P 5 Programme Automatic P 6 Programme Photovoltaic PV P 7 Programme External signal NOTE Pressing the key P for the first time checks the currently selected operating programme Pressing the key P in the time frame of 8 seconds switches between different programmes Parameters...

Page 32: ...tifreeze P 0 The operation of the device is turned off only the temperature display in the buffer tank for DHW is active The programme Antifreeze is active it maintains the water temperature in the buffer tank for DHW at 10 C 7 3 5 Programme Normal P 1 Basic The device in the programme Normal P 1 heats the water with the device s generator until the set temperature is reached and until the tempera...

Page 33: ...c panels and performs the same as the Automatic P 5 programme but in the case of an active external signal from the inverter of the photovoltaic power plant the device raises the water temperature in the buffer tank for DHW for the value set with the parameter L 6 7 3 9 Programme External signal P 7 Basic The operation of the device is the same as programme Automatic P 5 In case of an inactive ext...

Page 34: ...ing Adjusting the automatic overheating antilegionella Choose the parameter L 2 after a couple of seconds the set interval of overheating is displayed factory set to 14 days During the display of the set value no of days it can be modified with the key or disabled or from 1 to 99 days After setting the desired value wait for 5 seconds after the blinking stops the setting is saved NOTE The National...

Page 35: ...aise the temperature of the evaporator above the lower limit Set the shutdown temperature to the lowest value with the parameter L 1 A3 Shut down of the device because of high temperature of the evaporator The room must be vented to lower the temperature of the evaporator below the upper limit If the temperature of the evaporator is constantly above the upper limit another room must be found for s...

Page 36: ...e operation of the safety valve on the water supply installation Cleanliness of the surface of the evaporator If the surface of the evaporator is dirty order cleaning with the authorised installer who performed the installation of the device We recommend to also order an inspection of the device along with the cleaning 11 Disturbances in the operation Before contacting the authorised service check...

Page 37: ...36 NTC S L N NTC R C S 2 1 1 3 4 2 16 5 1 2 7 11 6 EXT 230V 15 N L N L N N N L L L N L N L N L N ČR N EG N KO N V1 N V2 GND T2 GND T1 GND S1 9 13 14 hit 2 3 4 5 6 7 8 display 10 12 8 4 1 hit 1 Picture 15 Electrical wiring diagram ...

Page 38: ...IP21 Temperature of intake air C From 5 to 35 El protection A C 16 230 V Max allowed pressure in the heat pump MPa 2 3 23 bar In case the el Heater is turned on DESIGNATION WP2 LF 202S WP2 LF 302S Volume l 200 270 Height mm 1698 2030 Diameter mm 635 Dimensions of the wrapped device WxDxH mm 700x680x1840 700x680x2175 Joint mass kg 128 145 Heat exchanger surface m2 0 91 1 2 Highest allowed DHW press...

Page 39: ...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 40: ...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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