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Installation and Operating Manual 

 

Heat Pump Water Heater 

with Airduct Connection and 3-Speed Radial Fan 

** 

LBW 300 / LBW300LW 

 
 
 
 
 
 
 
 
 
 
 
 

 
 

 

 

 
 
 
 

 
 
 

 
 

451902.67.37 

FD8408 

 

Summary of Contents for LBW 300

Page 1: ...Installation and Operating Manual Heat Pump Water Heater with Airduct Connection and 3 Speed Radial Fan LBW 300 LBW300LW 451902 67 37 FD8408 ...

Page 2: ... 6 1 Hot Water Circuit 10 6 2 Operation of the Heat Pump Water Heater 10 7 MAINTENANCE SERVICE 13 7 1 Water Circuit Condensate Drain 13 7 2 Air Circuit 14 7 3 Sacrificial Anode 14 8 MALFUNCTIONS TROUBLESHOOTING 15 9 DECOMMISSIONING 15 10 ENVIRONMENTAL REQUIREMENTS 15 11 APPENDIX 11 1 Refrigeration Cycle with Legend 16 11 2 Hydraulic Plumbing Diagram 17 11 3 Connection Diagram of Heat Exchanger Exa...

Page 3: ...gulations and must not be released into the atmosphere Refrigerant R134a is CFC free non flammable and has no ozone depleting properties When working on the HPWH the unit must always be disconnected from the power source pull the plug The electrical connection of the HPWH must be performed according to and conforming with all relevant VDE EN and IEC standards Beyond that the technical connection r...

Page 4: ... Supplemental heat Activating the immersion heater via Immersion heater switch see section Operating Panel in addition to the heat pump approximately halves the heat up time Ö Ö Ö Ö Higher water temperature If the required hot water temperature is higher than the temperature that can be reached by the heat pump approx 58 C the temperature can be increased to max 85 C by the immersion heater factor...

Page 5: ...ion is effected as required time or on demand control Condensate drain note section Connection of Condensate Line Fig 1 Water connections unique to HPWH with internal tubular heat exchanger Leitungseinführungen für Anschluß zweiter Wärmeerzeuger Warmwasserauslauf R1 Außengewinde Kondesatschlauch ausführung Zirkulationsleitung R 3 4 Außengewinde Heizwasservorlauf R1 Außengewinde Heizwasserrücklauf ...

Page 6: ...oller for the immersion heater regulates the water temperature in the immersion heater mode of heating The maximum temperature of this controller is factory set at 65 C the controller is installed in a common housing together with the STL The temperature setting can be changed by means of a suitable tool see Fig 2 Any change of this setting may only be performed by qualified persons In the automat...

Page 7: ...d into final position at the earliest Caution Do not lift the unit by its cover the cover is not designed to withstand heavy weights The appliance cover must be relieved from the weight of the unit during transport by taking appropriate measures or using auxiliary aids 4 Installation 4 1 Installation Site CAUTION The HPWH must be sited in a dry and freeze proof room the room air temperature and or...

Page 8: ... air and outlet air pipe connectors of the unit On the exhaust air side a suitable duct silencer should be used in order to avoid any transmission of the operating noise of the ventilation unit Important notices Suitable exhaust air filters should always be provided in the airduct system to prevent any contamination of the unit and the heat exchangers The outside of the exhaust ducting network sho...

Page 9: ...nection the power is supplied via the mains cable connected to a wall outlet with earthing contact 230 V 50 Hz This outlet must be accessible also after the installation has been completed For the connection of the remote control device a separate cable 6 pole with a minimum wire cross section of 0 75 mm2 and max outside diameter of 13 mm must be inserted into the unit through the screwed cable gl...

Page 10: ...operly executed and completed Fill hot water circuit via external connection Bleed the hot water circuit open hot water taps at the topmost points of use until no more air escapes Perform a leak test of the entire hot water circuit Connect the unit to the power supply Turn on the heat pump switch Fig 6 and the slide switch on the remote control Fig 7 An appropriate heat up time is required until t...

Page 11: ... operation cannot be activated or deactivated from the remote control unless the heat pump switch was activated on the unit beforehand Note Continuous operation of the electric heating element cannot be controlled via remote control see section 5 3 External immersion heater control In switch position I it is possible to activate a supplementary heat source Heat exchanger switch Switch position O Æ...

Page 12: ...ory setting 65 C at hot water temperatures 58 C hot water preparation is effected exclusively by the immersion heater As an option the immersion heater can also be configured for external activation see item 5 3 When the immersion heater switch is in position automatic mode the tank content is heated 58 C by the immersion heater at exhaust air temperatures of 14 C Note Immersion heater controller ...

Page 13: ...g procedure withdraw the mains plug or disconnect the unit from the power supply 7 1 Water Circuit Condensate Drain The inspection of the water circuit is limited to any filters that may have been field installed and the performance of leak tests The condensate hose must not be kinked condensate must be able to drain freely Dirty water filters have to be cleaned and replaced if necessary The seali...

Page 14: ...sured value 1 mA sacrificial anode is okay Measured value 1 mA sacrificial anode must be checked or replaced If an unambiguous electrical check is not possible we recommend that a visual inspection of the sacrificial anode be performed by a qualified expert For a replacement of the sacrificial anode that may be necessary to be performed by an expert the water must be drained from the tank via the ...

Page 15: ...ck whether Ö Ö Ö Ö the sealing lip valve at the end of the condensate hose is contaminated or clogged clean it necessary The valve can be easily removed and reinstalled Ö Ö Ö Ö the air supply air discharge rate is greatly reduced kinked airduct clogged air filter If the malfunction cannot be corrected based on the above questions please consult your installer or customer service 9 Decommissioning ...

Page 16: ...Temp controller immers heater 17 Check valve 4 Hot water tank 11 Temperature display 18 Insulation 5 Heat exchanger not all types 12 Filter drier 6 Immersion heater 13 Expansion valve 7 Sacrificial anode 14 Air temperature thermostat TC 13 18 16 15 14 1 18 12 2 3 7 4 6 11 10 9 8 PA CO H TI CO L TI CO H TI CO H C I L TI TI CO H C I L freie Tauchhülse 17 5 5 ...

Page 17: ...ter connection 9 Drain on HPWH without internal heat exchanger the connections for the suppl heat source are dispensed with i e no heating water flow and return lines 1 1 8 4 1 7 Warmwasser Heizwasservorlauf Zirkulation wenn erforderlich Heizwasserrücklauf Kaltwasseranschluß nach DIN 1988 9 6 1 5 4 3 2 Hot water Hot water flow Circulation if required Hot water return Cold water connection acc to D...

Page 18: ...Solar System to heat exchanger Flow to heat exchanger Return Venting Check valve Stop cock Thermometer from collector Safety valve Pressure gauge Flowmeter Stop cocks Circulating pump to collector Charging pump Expansion vessel Check valve Stop cock Catchpan ...

Page 19: ...über Fernbedienung X1 Klem m enleiste Netzanschluss externe Kom ponenten J1 10 J1 2 J1 6 J1 7 9 X1 3 4 5 6 L PE N X1 Heizung EIN AUS extern Ansteuerung für externe Pumpe 1 25A Tr 250V X1 7 8 X1 9 10 L N 6 7 2 9 10 3 4 5 11 12 13 14 X4 Platine N1 Sollwert Speichertemp Ablufttemp R1 R2 R3 Ansteuerung für externe Pum pe ect Heizung EIN AUS von extern B1 Regulating thermostat electr Heating C1 Startin...

Page 20: ... C W 410 410 Average heat output 2 at 55 C W approx 1400 approx 1400 COP t acc to TNO 4 05 4 05 COP t acc to EN 255 Part 3 4 4 4 4 Sound pressure level at 300 m h 3 dB A 44 44 Air flow rate for ventilation mode 3 speed operation m h 95 185 300 95 185 300 Air flow rate heat pump mode m h 185 300 185 300 External pressure at 300 m h pa 250 250 Airduct connection diameter exhaust air outlet air mm 16...

Page 21: ...18 D 95326 Kulmbach Allemagne EC Manufacturer s Declaration Designation of the product s Hot water heat pumps containing R134A Type s Order No LBW 300 LBW 300LW 346 330 346 340 Kulmbach 29 04 2004 EC Directives Harmonized EN Standards EC Low Voltage Directive 73 23 EEC EC EMC Directive 89 336 EEC Pressure Equipment Directive 97 23 EEC EN 255 1997 EN 378 1994 EN 60335 1 A11 A12 1995 1996 A13 A14 19...

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Page 24: ...24 Subject to technical changes ...

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