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STIEBEL ELTRON Heat pumps, Technical Manual

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STIEBEL ELTRON Heat pumps Technical Manual Download Page 47

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Equipment description

Hydrima stand-alone appliance for
cooling and heating; for floorstanding
and wall mounted installation.
internal appliance in an attractive
design, three-stage fan operation,
operating mode selector, dirt filter
and hard-wired remote control.

Window contact:

A n/C contact can be connected via
terminal strip win, terminals 5 and
6. with the contact open, the valve is
closed and the fan is switched oFF.

Heating operation:

Heat is transferred to the ambient
air via the heat exchanger. the
multi-stage fan constantly changes
the ambient air, which is cleaned
in the process by the integral filter.
the air changes ensure a pleasant
temperature distribution in the room.

Cooling mode:

Heat is withdrawn from the room by
the heat exchanger and transferred
to the geothermal probe via the
pipework system. in the process,
condensate can be created at the
heat exchanger, subject to certain
operating conditions; this must be
drained off via the condensate drain.

coolIng capacIty, fan convEctorS

Type

ACTH 20

ACTH 40

ACTH 50

Part no. standard unit

18 98 20

18 98 21

18 98 22

Cooling operation output details

Fan stage

small

medium high

small

medium high

small

medium high

Cooling water temperature

°C 15/20

15/20

15/20

15/20

15/20

15/20

15/20

15/20

15/20

Cooling capacity at 23 °C room temp.

w 285

367

532

532

588

662

680

799

969

Cooling capacity at 25 °C room temp.

w 373

510

577

764

865

1036

940

1168

1505

Cooling capacity at 27 °C room temp.

w 459

647

747

974

1137

1402

1180

1495

2037

Cooling capacity at 29 °C room temp.

w 609

828

968

1291

1370

1747

1583

1947

2551

Cooling capacity at 31 °C room temp.

w 833

1121

1289

1786

2054

2464

2186

2712

3564

Heating operation output details

Fan stage

small

medium high

small

medium high

small

medium high

Heating water temperature

°C 50/40

50/40

50/40

50/40

50/40

50/40

50/40

50/40

50/40

Heating output at 15 °C room temp.

w 1600

2185

2780

3255

4570

5065

4955

6270

7250

Heating output at 18 °C room temp.

w 1475

2015

2565

3000

4215

4675

4570

5780

6685

Heating output at 20 °C room temp.

w 1405

1915

2440

2855

4015

4450

4350

5500

6365

Heating output at 22 °C room temp.

w 1315

1795

2285

2675

3760

4165

4075

5155

5960

Heating output at 24 °C room temp.

w 1230

1675

2130

2495

3505

3885

3800

4805

5560

Fan convector installation

Fan convector power supply

1 return connection

2 Flow connection

3 Condensate drain

4 servomotor

5 Drain valve

6 Air vent valve

7 Air blow-off grille

8 User interface

9 Air entry

MiU

interface extension

UnoC time switch contact input

win

window contact input

rC

User interface plug-in strip

J1

Plug and jumper

st

Plug-in contact 230 V

Power supply and

jumper allocation, see

installation instructions ACtH

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Summary of Contents for Heat pumps

Page 1: ...1 www stiebel eltron COM Hot water Renewables Air conditioning Room heating ISSUE 2009 Technical Guide Heat pumps ...

Page 2: ...cation are subject to modification The equipment features described in this brochure are not stated as agreed properties of our products Due to our policy of ongoing improvement some features may have subsequently been changed or even removed Our advisors will be happy to consult with you regarding the currently applicable equipment features Pictorial illustrations in this brochure only represent ...

Page 3: ...eating system 46 Cooling capacity fan convectors 47 Cooling capacity cassettes 48 Passive cooling with the WPC cool heat pump 49 Passive cooling with the WPF E heat pump 50 Passive cooling with the WPF heat pump 51 Active cooling with the WPC heat pump 52 Active cooling with the WPF heat pump 53 Active cooling with the WPL heat pump 54 Air water heat pump external installation 55 Condensate connec...

Page 4: ... E cool 137 Brine water heat pumps WPF 5 7 10 13 16 138 Output details WPF 5 7 10 13 16 140 Installation WPF 5 7 10 13 16 142 Heating system connection WPF 5 7 10 13 16 143 Brine water heat pumps WPF 10 13 16 M 144 Output details WPF 10 13 16 M 146 Installation WPF 10 13 16 M 148 Heating system connection WPF 10 13 16 M 149 Power supply WPF 10 13 16 M SET 151 Brine water heat pumps WPF 20 27 40 52...

Page 5: ...s 207 Threaded immersion heater BGC 209 Brine kit 210 Brine circuit pumps 212 Brine manifold heat transfer medium 213 Expansion vessel antifreeze tester brine pressure switch 214 Convector heater module LWM 250 215 Cooling module 217 Air hoses and connections 218 Duct silencer silencer condensate pump 219 DHW cylinder SBB 301 302 WP 220 DHW cylinder SBB 401 501 WP SOL 221 DHW cylinder SBB 751 1001...

Page 6: ...ps from STIEBEL ELTRON already enable the basic premise of heating an apartment or entire houses with environmentally responsible and cost effective methods to be achieved Future proof solutions from STIEBEL ELTRON Over the last 30 years STIEBEL ELTRON has invested a lot of time and energy in the development of its heat pumps This has created a reliable standard technology that delivers every conc...

Page 7: ...its absorbed energy to the circulating system of the hot water heating system by being returned into the liquid state again An expansion valve reduces the still prevalent pressure and the circular process starts again Heat pump coefficient of performance The coefficient of performance εHP is equal to the quotient of heating output QHP and electrical power consumption PHP in accordance with the fol...

Page 8: ...no extensive ground work or well drilling is required Heat source water Groundwater is a good store of solar energy Even on the coldest days in winter temperatures of 7 C to 12 C are achieved and this is where its advantage lies The near constant temperature level of this heat source enables the heat pump to achieve a favourable coefficient of performance all the year round Regrettably groundwater...

Page 9: ...ated If your property is large enough you have an inexhaustible reserve of energy and ideal conditions for a STIEBEL ELTRON brine water heat pump Heat source ground with geothermal probe Geothermal probes that are set up to 100 metres deep into the ground by specialist drilling contractors require less space Geothermal probes comprise a probe foot and endless vertical probe pipes made from plastic...

Page 10: ...el Down to a certain outside temperature the heat pump alone delivers the required heating energy A second heat source starts at low temperatures However contrary to the dual mode alternative operation the heat pump proportion of the annual output is higher This operating mode is suitable for underfloor heating systems and radiators up to 60 C flow temperature Dual mode partially parallel Down to ...

Page 11: ...irable is 35 C Heat source Groundwater exploration via a well system Operating mode mono mode Heat pump size subject to m2 heated living space up to 120 m2 WPW 7 up to 180 m WPW 10 up to 220 m WPW 13 up to 300 m WPW 18 up to 420 m WPW 22 M up to 440 m WPW 26 SET up to 520 m WPW 31 SET up to 600 m WPW 36 SET up to 720 m WPW 40 SET up to 840 m WPW 44 SET Operating mode mono mode Heat pump size subje...

Page 12: ... Operating mode mono mode Mono mode operation is only feasible in conjunction with a low temperature heating system maximum flow temperature 60 C At a specific heat demand of 50 Watt m suitable heat pumps offer themselves from the heating system sizes listed in the table on page 11 Important information A water analysis is part of the first design phase Two results from that analysis are relevant ...

Page 13: ...annual primary energy demand QP and the system expenditure of energy value eP the annual heat demand Qh of the building and the available surface area AN must be known The system expenditure of energy value eP which has no dimension and which relates to the primary energy for heating ventilation and DHW enables the assessment of the entire system technology Furthermore this parameter forms the bas...

Page 14: ... EnEV for non residential buildings As part of the EnEV 2007 update applicable from the 1st October 2007 the EU Energy Performance of Buildings Directive for the statement of non residential buildings was adopted in the form of the extensive standard DIN V 18599 that determines the calculations principles DIN V 18599 Energy assessment of buildings Contrary to the calculation for residential buildi...

Page 15: ...y energy demand in accordance with a single zone model for the following types of building Schools kindergartens office buildings hotels without internal swimming pool pubs and commercial premises However different framework conditions must still be applied Main areas of use and passages must account for at least one third of the total area the building must only be equipped with a central system ...

Page 16: ... of energy value is calculated using the annual performance factor in accordance with the following equation eH g 1 βHP eH g Expenditure of energy value for the heat pump βHP Seasonal performance factor of the heat pump calculated subject to type of heat pump Brine water heat pumps The seasonal performance factor of brine water heat pumps is calculated in accordance with the following equation βHP...

Page 17: ...100 1 000 0 990 0 980 0 969 0 959 0 949 Table 5 3 7 Correction factor Fϑ for brine water heat pumps Minimum brine temperature at the evaporator inlet C Heating circuit design temperature 35 C 28 C 55 C 45 C 2 1 113 0 917 1 1 100 0 904 0 1 087 0 890 1 1 074 0 877 2 1 062 0 864 3 1 051 0 852 Table 5 3 9 Correction factor Fϑ for water water heat pumps Minimum water temperature at the evaporator inlet...

Page 18: ...tial Xp 2 K heating system design 35 28 C centralised system horizontal distribution outside the thermal envelope lines running internally regulated pump buffer cylinder installed installation outside the thermal envelope heating heat pump brine water powered by electricity Example Annual heat demand 60 kWh m p a Heated living space 200 m Result System expenditure of energy value 1 04 System layou...

Page 19: ...fferential Xp 2 K heating system design 35 28 C centralised system horizontal distribution outside the thermal envelope lines running internally regulated pump buffer cylinder installed installation outside the thermal envelope heating heat pump air water powered by electricity Electric heater rod Example Annual heat demand 60 kWh m p a Heated living space 200 m Result System expenditure of energy...

Page 20: ...r switching differential Xp 2 K heating system design 35 28 C centralised system horizontal distribution outside the thermal envelope lines running internally regulated pump buffer cylinder installed installation outside the thermal envelope heating heat pump air water powered by electricity Electric heater rod Example Annual heat demand 60 kWh m p a Heated living space 200 m Result System expendi...

Page 21: ...that are due annually The annuity method provides a dynamic investment calculation that converts the payments received and made into equal annual contributions annuities Primarily the annuity method is used in the investment and finance sector In addition it is used in cost calculation regarding long term decisions such as the selection of processes or whether to manufacture in house or use outsid...

Page 22: ...and gas connection Euro 2 000 00 1 300 00 Chimney Euro 2 000 00 2 000 00 2 000 00 Heat source system Euro 7 000 00 5 000 00 Total Euro 18 250 00 24 250 00 20 450 00 19 150 00 19 450 00 21 550 00 3 Capital costs Capital costs Euro 1 758 00 2 336 00 1 970 00 1 845 00 1 874 00 2 076 00 Maintenance Euro 183 00 243 00 205 00 192 00 195 00 216 00 Total Euro 1 941 00 2 579 00 2 175 00 2 037 00 2 069 00 2...

Page 23: ...dition The heating load is always greater than the compressor drive rating hence the COP is always 1 Equation symbol ε Rated consumption compressor The maximum power consumption of the heat pump during constant operation under defined conditions It is decisive only for the power connection to the supply network and is given on the manufacturer s type plate Standard efficiency Quotient derived from...

Page 24: ...a Individual resistances Z Σz x x v2 ς 2 z Resistance coefficient ς Density v Flow velocity m s Z can be taken from the total z and the velocity in the pipework in the tables Duct work curve p1 p2 V1 V2 2 p1 Pressure differential Pa p2 Pressure differential Pa V1 Air flow rate m h V2 Air flow rate m h Mixed water temperature m1 x t1 m2 x t2 tm m1 m2 tm Mixed water temperature C t1 Cold water tempe...

Page 25: ...e maximum flow temperature Older building Determine the maximum flow temperature determine or select the most favourable heat source Determine the operating mode of the heat pump according to the heating system Size the heat pump according to heat demand and operating mode Power connection conditions and requirements for the heat pump control unit Connection of the heat pump to the heating system ...

Page 26: ...roduction of the cooled groundwater is regulated by paragraph 3 sect 1 no 6 and paragraph 3 sect 1 no 5 of the Wasserhaushaltsgesetzes WHG Germany and is subject to a permit The ground is the source of thermal energy The extraction of heat by pipework buried under ground that are filled with a means for transporting heat generally requires notification to the water board or a permit If the ground ...

Page 27: ...ses Accident prevention instructions by the governing body of the trade associations BGV D4 Accident prevention instructions refrigerating equipment heat pumps and cooling facilities Additional standards and regulations for dual mode heat pump systems Observe the following acts standards regulations and orders during the installation of an additional combustion system for solid liquid or gaseous f...

Page 28: ...ears QN Ba x h x Hu bVH QN Heating load kW Ba Annual oil consumption l h Seasonal efficiency to DIN h 0 7 Hu Calorific value of fuel oil 10 kWh l bVH Hours run at full utilisation average value 1800 h p a Brief formula QN Ba 250 3 Subject to gas consumption The annual consumption can be determined from the average gas consumption over the last five years QN Ba x h bVH QN Heating load kW Ba Annual ...

Page 29: ...ow temperature of up to 60 C In this example the point of intersection between heating curve B and the max heat pump flow temperature of 60 C arrives at an outside temperature of 4 C The application limit of this heat pump therefore lies at an outside temperature of 4 C because of the heat distribution system It is often noted in practice that through external and internal energy recovery the heat...

Page 30: ... temperature This has the disadvantage that the heating output of the heat pump also falls with falling outside temperatures whilst the heating load actually increases This is why air water heat pumps are operated in mono energetic mode Brine water or water water heat pumps As the heat source offers a near constant temperature throughout the year the heating output of the heat pump is constant The...

Page 31: ...ting system and six hours power OFF factor 1 1 11 0 kW x 1 1 12 0 kW The WPL 18 that independently covers a heat demand down to 7 C outside temperature and an annual heating proportion of 98 was selected Annual coverage by the heating heat pump Dual mode point Parallel mono energetic operation coverage according to climate zone C 10 C 12 C 14 C 16 C 18 C 12 1 00 1 00 1 00 0 99 0 98 10 1 00 1 00 0 ...

Page 32: ...ecified appliance It is of particular interest to check whether a mono energetic heat pump operation is feasible in your region Information regarding standing charges and supply tariffs the possibility of utilising favourable night tariffs and possible shutdown periods are also important Your local power supply utility will be a valuable contact in these matters Requirements for the electrical ins...

Page 33: ...upply companies during peak periods Therefore size the volume of the buffer cylinder so that with a heating system that cools down quickly i e radiators the stored heat will be adequate to cover the heat demand during the above mentioned power OFF periods to prevent a rapid cooling down of the building Benefits of buffer cylinders no modification of the sizing of existing system pipework no flow n...

Page 34: ...tion transfers from central heating circuit pumps the installation of hoses into the water pipework is required Use anti vibration pipe clips Circulation pumps in the heat pump circuit When using a SBP 200 E or SBP 700 E buffer cylinder and the heat pump compact installation WPKI 5 size the corresponding circulation pump cylinder primary pump for the heat pump in accordance with the Circulation pu...

Page 35: ... zone valves installed in the living room the room temperature can be captured by the FE 7 FEK remote controller which in turn complies with the requirements of the Energy Savings Act Germany With air water heat pumps the minimum flow rate specified in the following table must be ensured Minimum flow rate Heat pump m h WPL 10 0 4 WPL 13 E 1 0 WPL 18 E 1 2 WPL 23 E 1 4 WPL 13 cool 1 2 WPL 18 cool 1...

Page 36: ...l buildings are sized in accordance with the consumption profiles and guidelines appertaining the hygiene requirements The cylinder is heated via an internal or external indirect coil Indirect coils The minor temperature differentials lend themselves best to DHW heating by heat pump with internal indirect coils with at least 0 25 m exchanger surface per kW output A further option is DHW heating vi...

Page 37: ... 50 50 50 50 50 50 50 49 50 50 50 49 50 60 SBB 501 WP SOL upper indirect coil connected 5 0 50 50 50 50 50 50 50 50 50 47 50 50 50 47 50 60 SBB 501 WP SOL both indirect coils connected in series 6 4 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 60 Predicted achievable DHW temperatures with heat pump operation only The precondition for achieving the stated DHW temperatures is the maintenance of the ...

Page 38: ...ossible The DHW circulation option enables three time slots to be defined Outside these times DHW circulation is activated by draw off detection An additional sensor option enables the activation of a booster heater BGC inside the buffer cylinder via a zero volt contact The ready to use freshwater station is pre programmed at the factory Power connection Only apply voltage after filling and ventin...

Page 39: ...sts of the heater rod Hydraulic connection The hydraulic connection is made as for a new build if no dual mode system with an oil or gas boiler is envisaged Dual mode systems in which an oil or gas boiler should be operated for a limited period are connected hydraulically so that they can later be dismantled without having to drain the entire system After removal the heat pump system will be opera...

Page 40: ...p installation WPC cool WPF Design information The cooling capacity of the heat sink can be seen in the table on page 41 For example two geothermal probes with a depth of 94 metres can transfer approx 7 2 kW to the ground WPC 13 cool The heat transfer by the heat sink must not exceed the cooling load of the building The required room temperature cannot be achieved if the cooling load is greater If...

Page 41: ...078 are used as base for the walls as the cooling load is not significantly influenced by walls Position 3 Floors below unheated cellars or areas bordering the ground are not taken into account Position 4 Multiply the ceiling area less any skylights by the applicable value Position 5 The heat given off by electrical equipment and lighting is taken into consideration in line with their connected lo...

Page 42: ...watt External walls 10 26 0 260 Internal walls 10 15 0 150 Total 410 3 Floor towards non air conditioned areas Cooling load W m Floor area m Cooling load floor watt Total 10 25 0 250 4 Ceiling less roof windows and fanlights that have already been recorded Flat roof Pitched roof Ceiling towards non air conditioned rooms W m Ceiling area m Cooling load ceiling watt not insulated W m insulated W m n...

Page 43: ... above 14 C even in summer That makes it an ideal choice for passive cooling The low temperature is transferred to the heating water via a heat exchanger thereby utilising the underfloor heating system or fan convectors to cool the building With this kind of operation the temperature of the groundwater returned underground must not exceed 20 C A water analysis should verify that the water is compa...

Page 44: ...x 15 1 kW Sizing table geothermal probe DN 25 for normal solid rock extraction capacity 55 W m average value Heat pump type Source temperature 0 C Flow temperature 35 C Geothermal probe 32 x 2 9 Number Geothermal probe 32 x 2 9 Depth Extraction heating mode Transfer cooling mode Heating output Cooling capacity WPF C 5 cool 5 8 kW 4 5 kW 1 pce 82 m 4 5 kW 3 2 kW WPF C 7 cool 7 8 kW 6 0 kW 1 pce 109...

Page 45: ...ive cooling with ground source heat pumps Underfloor cooling With only little additional control effort and equipment the underfloor heating system can also be used for cooling during the warmer season The application is limited by DIN 1946 T2 consequently an average cooling load of approx 20 to 25 W m results The manufacturer must approve the suitability of the floor structure for cooling particu...

Page 46: ...30 30 30 Cooling capacity W m 65 55 50 45 30 40 37 32 28 24 With underfloor cooling the cooling load is not only subject to the heat sink but also to the cooling capacity of the underfloor heating system For example an underfloor heating system with tiled cover and a spacing between pipes of 10 cm has a specific cooling capacity of 22 W m The required room temperature cannot be achieved if the coo...

Page 47: ... 20 15 20 15 20 15 20 15 20 15 20 15 20 Cooling capacity at 23 C room temp W 285 367 532 532 588 662 680 799 969 Cooling capacity at 25 C room temp W 373 510 577 764 865 1036 940 1168 1505 Cooling capacity at 27 C room temp W 459 647 747 974 1137 1402 1180 1495 2037 Cooling capacity at 29 C room temp W 609 828 968 1291 1370 1747 1583 1947 2551 Cooling capacity at 31 C room temp W 833 1121 1289 178...

Page 48: ...mp W 413 435 550 656 691 874 868 915 1158 Cooling capacity at 25 C room temp W 563 593 750 894 942 1192 1184 1247 1579 Cooling capacity at 27 C room temp W 713 751 950 1133 1193 1510 1500 1580 2000 Cooling capacity at 29 C room temp W 863 909 1115 1371 1444 1828 1816 1913 2421 Cooling capacity at 31 C room temp W 1013 1067 1350 1609 1695 2146 2132 2245 2842 Heating operation output details Fan sta...

Page 49: ...lding are crossed where other dew point temperatures must be expected or where the temperature falls below the dew point temperature fan convectors insulate all lines with diffusion proof material WPC cool mono mode with passive cooling heating mode WPC cool mono mode with passive cooling cooling mode WPC cool mono mode with passive cooling Minimum circulation volume on the heating side 20 of the ...

Page 50: ...tem or fan convectors is are required for this function An integral control unit in the heating system prevents the temperature falling below the dew point When selecting the heating circuit pump ensure that only cast pumps condensate forming between the casing and the stator or rotary pumps are used WPF E mono mode with passive cooling cooling mode WPF E mono mode with passive cooling ...

Page 51: ...ater water heat pumps the heat source can also be used for cooling purposes i e as a heat sink An area heating system is required for this function A suitable controller in the heating system prevents the temperature falling below the dew point A heat exchanger is required to avoid the need for filling the entire heating system with brine When selecting the pump ensure that only cast pumps condens...

Page 52: ...rfloor heating systems This requires additional fan convectors Use only pipes and fittings made from corrosion resistant materials Insulate all lines entering the house in a vapour diffusion proof manner to prevent the formation of condensate WPC mono mode with active cooling heating mode WPC mono mode with active cooling cooling mode WPC mono mode with active cooling ...

Page 53: ...uitable as the only source of cooling in underfloor heating systems This requires additional fan convectors Use only pipes and fittings made from corrosion resistant materials Insulate all lines entering the house in a vapour diffusion proof manner to prevent the formation of condensate WPF mono mode with active cooling heating mode WPF mono mode with active cooling cooling mode WPF mono mode with...

Page 54: ... the possibility of cooling in summer The sizing of the distribution system is crucial for the transfer of thermal loads Underfloor heating systems are only suitable for the transfer of high loads to a limited degree e g in conjunction with active cooling of buildings as the transfer rate is low and frequent cycling of the heat pump cannot be prevented A combination with fan convectors is recommen...

Page 55: ...conduits underground min Ø 100 mm Provide wall outlets for pipework min 150 x 150 mm Provide condensate drain pipes pipework free from the risk of frost or underground soak away subject to installation type check whether planning permission is required ensure a free air flow Avoid thermal short circuits Provide space for the installation whether external or internal Connect heat pump to the flow a...

Page 56: ...d corners can lead to higher noise levels as these surfaces can act as sound reflectors and should therefore be avoided Reductions in noise levels can be achieved through on site deflectors Sound pressure level at 5 m distance at 10 m distance WPL 10 43 dB A 37 dB A WPL 13 43 dB A 37 dB A WPL 18 43 dB A 37 dB A WPL 23 43 dB A 37 dB A WPL 33 43 dB A 37 dB A SOUND emissions Acoustic measures Lawn ar...

Page 57: ...ssure level relative to the envelope area of the source of sound i e the so called envelope method Sound pressure level The sound pressure level measured in the ambience is subject to the sound power level the distance at which the level is measured and the structural surroundings Human perception If a sound is perceived to be twice as loud this corresponds to a rise by 10 dB A Two sources of soun...

Page 58: ...ut of the heat pump When installing the heat pump outside route the condensate to an existing drain or into a coarse gravel soak away For this ensure an installation that is free from the risk of frost Condensate connection Concrete slab approx 10 cm Gravel layer approx 30 cm Condensate drain approx 120 cm Condensate drain ...

Page 59: ...s when arranging the apertures Connect the heating system flow and return lines with flexible hoses to the heat pump Protect air inlet and discharge apertures and the ventilation set aperture against ingress of leaves and snow If required clad walls in the installation location with anti reflection sound absorbing material Consider the power connection Carefully insulate brickwork around the inlet...

Page 60: ...t operation Nevertheless incorrect installation can under unfavourable conditions lead to unwanted high noise levels Cellar in a corner The example shows the installation of a compact heat pump in a cellar Routing the air via different sides of the building effectively prevents short circuits between discharge and inlet air The inlet and discharge grilles should be sized so that discharge free ven...

Page 61: ...e must be routed with a slope downwards or to the side out of the heat pump For internal installations route the defrost water into a drain When using a condensate pump PK 10 for draining the condensate install the heat pump approx 100 mm higher foundation acc to illustration or arrange the installation of the condensate pump approx 100 mm lower Condensate connection ...

Page 62: ...vide foundations Observe the air routing The air discharge direction should be where practicable in line with the main wind direction Ensure that neighbouring properties are not disturbed by noise Maintain minimum clearances to the periphery if necessary check whether planning permission is required Ensure short line runs Can the condensate be routed free from the risk of frost and with a natural ...

Page 63: ...types and applications Classic Inverter Application range WPL E WPL E cool WPL 10 WPL 33 WPL HT WPL AZ WPL 5 N New build Older building 55 C Older building 70 C DHW temperature 60 C without electric booster heater Cascade External installation Internal installation Solar option Cooling Installation in tight spaces Heating only Swimming pool Dual mode operation COP A2 W35 3 7 1 3 7 1 3 3 3 3 2 9 2 ...

Page 64: ...by the heat exchanger on the air side evaporator of the external unit Heating water is heated to flow temperature levels in the heat exchanger on the water side condenser by this extracted heat and additional heat from the electrical power used by the compressor At air temperatures below approx 7 C the humidity in the air precipitates as hoarfrost on the evaporator fins Any hoarfrost is automatica...

Page 65: ...mm 5 x 2 5 cable cross section acc to type of routing observe VDE 0298 4 Control cable n x mm 5 x 1 5 HP module power supply connection n x mm 5 x 1 5 Fuse compressor A C 16A Electrical booster heater fuse A C 16A Control circuit fuse A C 16A Protection hydraulic module IP 20 Protection heat pump module IP 14 B Voltage frequency load V Hz L N PE 230 V 50 Hz Booster heater connection V Hz 3 N PE 40...

Page 66: ...m clearances to the building specified in the diagram The heat pump module must be level horizontal The wind from the predominant wind direction must not blow directly onto the fan When selecting the installation location remember that the appliance generates noise and cold draughts during operation Maintain as small a clearance as possible between the heat pump module and the hydraulic module to ...

Page 67: ...icularly earthing measures must be carried out in accordance with local and national regulations and the requirements of your local power supply company The connection must comply with the power connection diagram For this also observe the installation instructions for the heat pump manager WPMx WPL 5N with hydraulic module WPL 5 N 1 N PE 230V 50Hz Domestic electricity meter Control phase L w o po...

Page 68: ...e heat pump circuit is reversed to activate the defrost cycle The energy required for defrosting is drawn from the heating system The heat pump automatically reverts to heating mode at the end of the defrost cycle Appliance description WPL 10 A Compact version for external installation The metal enclosure is zinc plated and finished in pearl white stove enamel The heat pump drive unit is equipped ...

Page 69: ...x mm 3 x 1 5 BUS cable n x mm J Y St 2 x 2 x 0 8 Fuse compressor A C 16A all poles Electrical booster heater fuse A C 16A Control circuit fuse A C 16A Protection EN 60529 IP 14 B Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 25 Weight and dimensions H x W x D external instal...

Page 70: ... 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 15 3 5 2 8 1 5 1 6 2 3 1 8 10 4 4 3 7 2 8 1 7 1 9 1 7 2 6 2 0 1 7 5 5 3 4 6 3 7 1 9 2 1 1 9 2 8 2 2 2 0 0 6 0 5 4 4 6 2 0 2 2 2 2 3 0 2 4 2 1 5 7 2 6 6 6 0 2 2 2 4 2 4 3 3 2 7 2 5 10 8 7 8 0 7 4 2 2 2 6 2 8 4 0 3 1 2 6 15 9 8 8 9 8 2 2 3 2 7 3 0 4 3 3 3 2 7 20 10 9 9 7 9 0 2 3 2 8 3 1 4 7 3 5 2 9 Flow temperature 35 C Flow temperature 50 C Air inlet tem...

Page 71: ... integral frost stat inside the heat pump that automatically starts the circulation pump in the heat pump circuit at 10 C and thereby safeguards circulation in all water bearing components offers additional frost protection Fill the heating system with an antifreeze mixture if the power supply cannot be guaranteed for a longer period of time Condensate drain Route the condensate drain hose with a ...

Page 72: ...e Thermally insulated hoses are available in 3 m lengths li Ø 400 mm Air routing with air ducts With air routes longer than 8 m air ducts can also be connected to the heat pump The cross section of the air duct varies according to the air flow rate and according to the externally prevailing static pressure differential of the heat pump To reduce the transfer of structure borne noise in the buildin...

Page 73: ...nternal installation WPL 10 Air routing internal installation Air hose Wall outlet Part no 22 22 30 Dimensions in mm minimum clearances Wall outlet Wall outlet Air hose Wall outlet Part no 22 22 30 Dimensions in mm minimum clearances Wall outlet Wall outlet ...

Page 74: ...ion Internal installation WPL 10 Internal installation WPL 10 Air hose Wall outlet Part no 22 22 30 Dimensions in mm minimum clearances Air hose Wall outlet Part no 22 22 30 Dimensions in mm minimum clearances Wall outlet Wall outlet Wall outlet Wall outlet ...

Page 75: ...stallation Internal installation WPL 10 compact Internal installation WPL 10 compact Wall outlet Part no 22 22 30 Dimensions in mm minimum clearances Wall outlet Part no 22 22 30 Dimensions in mm minimum clearances Wall outlet Wall outlet Wall outlet ...

Page 76: ...heating flow and return Flexible pressure hoses are recommended to reduce structure borne noise on the water side The required circulation pump and the pipe cross section can be determined from the table below Fit thermal insulation in accordance with local regulations When using the compact installation WPKI 5 use the following circulation pumps see table Circulation pump for the heat pump with W...

Page 77: ...A Starting current R start A Power cable mm Fuse protection A WPL 10 2 2 6 0 25 5 x 2 5 C 16A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations WPL 3 N PE 230V 50Hz Domestic electricity meter Control phase L w o power OFF period Control phase L with power OFF period 3 N PE 400V 50Hz Heat pump electricity meter M1 Circulation pump max 2A gl WPL IK 3 N PE 2...

Page 78: ...ternal or external installations Test symbol of independent test bodies see type plate Contains non combustible R407C safety refrigerant Function Heat is extracted from the outside air at temperatures ranging from 40 C to 20 C by the heat exchanger on the air side evaporator Heating water is heated in the heat exchanger on the water side condenser to levels set at the control unit from 15 C to 60 ...

Page 79: ...A Protection EN 60529 IP 14 B Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 30 30 30 Weight and dimensions H x W x D standard appliance mm 1116 x 1182 x 784 H x W x D external installation mm 1434 x 1240 x 1280 H x W x D internal installation mm 1182 x 1240 x 800 Weight stan...

Page 80: ... 3 3 2 6 2 0 1 8 10 6 1 6 4 6 6 2 2 2 9 3 4 2 8 2 2 1 9 5 6 9 7 0 7 3 2 2 2 9 3 5 3 1 2 4 2 1 0 7 8 7 7 7 8 2 4 2 9 3 7 3 3 2 6 2 1 5 8 6 8 3 8 4 2 3 3 0 3 6 3 7 2 8 2 3 10 9 5 8 8 8 9 2 3 2 8 3 4 4 1 3 1 2 6 15 11 0 10 7 10 1 2 5 3 0 3 5 4 4 3 6 2 9 20 12 1 12 0 11 3 2 5 3 1 3 6 4 8 3 9 3 1 Air water heat pump WPL 13 cool cooling mode Cooling capacity kW power consumption kW and coefficient of pe...

Page 81: ... C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 15 10 4 11 1 11 7 3 9 5 2 6 7 2 7 2 1 1 7 10 12 0 12 7 13 2 4 1 5 5 6 8 2 9 2 3 2 0 5 13 4 14 0 14 4 4 2 5 6 6 8 3 2 2 5 2 1 0 14 4 14 9 15 2 4 2 5 7 6 9 3 4 2 6 2 2 5 15 1 15 4 15 6 4 1 5 5 6 5 3 6 2 8 2 4 10 17 8 17 2 16 7 4 2 5 3 6 3 4 2 3 2 2 6 15 18 4 17 7 17 4 4 3 5 5 6 7 4 3 3 2 2 6 20 20 4 19 3 18 9 4 3 5 6 6 9 4 7 3 4 2 7 Air water heat pump ...

Page 82: ... pump to enable water and electrical pipes cables to be connected from below Protection of heating water lines against frost and moisture Protect the flow and return lines in external installations against frost by means of adequate thermal insulation and by routing them inside conduit to protect them against moisture Insulation thickness in accordance with current regulations The integral frost s...

Page 83: ...available in 3 m and 4 m lengths li Ø 560 mm Air routing with air ducts With air routes longer than 8 m air ducts can also be connected to the heat pump The cross section of the air duct varies according to the air flow rate and according to the externally prevailing static pressure differential of the heat pump To reduce the transfer of structure borne noise in the building install an air hose or...

Page 84: ...ed wall outlet Internal installation WPL 13 18 23 E cool WPL 33 incl accessories Hose connection plate Air routing internal installation Dimensions in mm minimum clearances Wall outlet Hose Hose connection plate 118 x 78 Dimensions in mm minimum clearances Cellar window Hose Cellar window Wall outlet ...

Page 85: ...s Insulated wall outlet Internal installation WPL 13 18 23 E cool WPL 33 incl accessories Hose connection plate Air routing internal installation Dimensions in mm minimum clearances Air hose Cellar window Hose connection plate 118 x 78 Dimensions in mm minimum clearances Air hose Wall outlet ...

Page 86: ...E cool WPL 33 incl accessories Insulated wall outlet Internal installation WPL 13 18 23 E cool WPL 33 incl accessories Hose connection plate Air routing internal installation Dimensions in mm minimum clearances Cellar window Cellar window Wall outlet Wall outlet ...

Page 87: ...cylinders the flow and return temperature sensor as well as the safety equipment are also fitted at the factory The installation on the heat pump is facilitated through two anti vibration dampers pack supplied WPL 13 18 23 E with WPIC 10 Circulation pump heating circuit 11 DHW circulation pump 12 Flow pressure hose 13 Return pressure hose 14 Lid connection bracket 15 WPL control panel 16 Dirt trap...

Page 88: ...de The required circulation pump and the pipe cross section can be determined from the table below Fit thermal insulation in accordance with local regulations When using the compact installation WPKI 5 use the following circulation pumps see table Circulation pump for the heat pump with WPKI 5 between the heat pump and the buffer cylinder max pipe length 10 m Heat pump Flow rate m h Pressure diffe...

Page 89: ...r cable mm Fuse protection A WPL 13 E 2 7 8 0 24 5 x 2 5 C 16A all poles WPL 18 E 3 5 10 6 26 5 x 2 5 C 16A all poles WPL 23 E 3 9 11 4 29 5 x 2 5 C 16A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations WPL 3 N PE 230V 50Hz Domestic electricity meter Control phase L w o power OFF period Control phase L with power OFF period 3 N PE 400V 50Hz Heat pump elec...

Page 90: ... white stove enamel The booster heater is fitted as standard to enable mono energetic operation and high DHW temperatures The evaporator is defrosted by reversing the cycle Heating water up to 75 C can flow through the heat pump in idle mode It is equipped as standard with all safety equipment such as a high low pressure limiter frost protection and the necessary starting current limiter The heat ...

Page 91: ...P 14 B Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 26 Weight and dimensions H x W x D standard appliance mm 1116 x 1332 x 784 H x W x D external installation mm 1434 x 1390 x 1280 H x W x D internal installation mm 1182 x 1390 x 800 Weight standard appliance kg 260 Total w...

Page 92: ...kW and coefficient of performance ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 15 11 9 13 5 15 4 5 5 8 1 11 1 2 2 1 7 1 4 10 13 8 15 3 17 0 5 7 8 2 10 9 2 4 1 9 1 6 5 15 5 17 0 18 5 5 9 8 3 10 8 2 6 2 0 1 7 0 17 1 18 5 19 8 6 0 8 4 10 8 2 8 2 2 1 8 5 18 9 20 3 21 4 6 2 8 5 10 8 3 1 2 4 2 0 10 20 7 22 0 23 2 6 3 8 5 1...

Page 93: ...Stone slabs Provide a recess space underneath the heat pump to enable water and electrical pipes cables to be connected from below Protect the flow and return lines in external installations against frost by means of adequate thermal insulation and by routing them inside conduit to protect them against moisture Insulation thickness in accordance with current regulations The integral frost stat ins...

Page 94: ...hermally insulated hoses are available in 3 m and 4 m lengths li Ø 560 mm Air routing with air ducts With air routes longer than 8 m air ducts can also be connected to the heat pump The cross section of the air duct varies according to the air flow rate and according to the externally available static pressure differential of the heat pump To reduce the transfer of structure borne noise in the bui...

Page 95: ...e heating flow and return Flexible pressure hoses are recommended to reduce structure borne noise on the water side The required circulation pump and the pipe cross section can be determined from the table below Fit thermal insulation in accordance with local regulations When using the compact installation WPKI 5 use the following circulation pumps see table Circulation pump for the heat pump with...

Page 96: ... start A Power cable mm Fuse protection A WPL 33 6 2 19 3 26 5 x 2 5 C 25A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations WPL 3 N PE 230V 50Hz Domestic electricity meter Control phase L w o power OFF period Control phase L with power OFF period 3 N PE 400V 50Hz Heat pump electricity meter M1 Circulation pump max 2A gl T A Outside temperature sensor N P...

Page 97: ...97 www stiebel eltron COM Notes ...

Page 98: ...lone with the Stiebel Eltron DHW cylinder a DHW temperature 60 C can be achieved The evaporator is defrosted by reversing the cycle The heat pump drive unit is equipped with two inverter compressors one low temperature and one high temperature plus condenser evaporator and safety equipment such as a high low pressure limiter Through the electronic expansion valve the coefficient of performance is ...

Page 99: ...4 Control cable n x mm 5 x 1 5 BUS cable n x mm J Y St 2 x 2 x 0 8 Fuse compressor A C 16A all poles Control circuit fuse A C 16A Protection EN 60529 IP 14 B Voltage frequency load V Hz 3 PE 400 V 50 Hz Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 30 Weight and dimensions H x W x D mm 1734 x 1263 x 756 Weight kg 350 Other model characteristics Corrosion protection zinc plat...

Page 100: ... kW kW kW kW kW kW ε ε ε 15 12 2 12 4 12 3 5 7 6 1 6 7 2 1 2 0 1 8 10 9 8 10 1 10 2 4 1 4 6 5 1 2 4 2 2 2 0 5 8 0 8 3 8 7 3 0 3 5 4 0 2 7 2 4 2 2 0 7 3 7 4 7 8 2 4 2 9 3 6 3 0 2 5 2 2 5 7 7 7 5 7 7 2 1 2 6 3 2 3 7 2 9 2 4 10 8 0 8 2 7 8 2 0 2 4 2 9 4 0 3 4 2 7 15 9 4 9 0 8 6 2 0 2 4 2 9 4 7 3 8 3 0 20 10 5 10 1 9 7 2 0 2 4 2 9 5 3 4 8 3 3 Flow temperature 35 C Flow temperature 55 C Air inlet tempe...

Page 101: ...ariffs However the heat demand of the building must be covered 24 hours per day That means that the building heating load must be raised by a factor of 1 1 QHP QNbuil x 1 1 Air water heat pumps Air water heat pumps are operated in mono mode operation with inverter technology The heat pump heating output is matched to the heating load of the building Air inlet temperature C Heating output kW ...

Page 102: ...g in case of fire Special features If the heat pump is installed in an enclosed room containing a combustion appliance that takes its combustion air directly from the room open flue operation then a ventilation aperture to the installation location with 250 cm diameter is required to prevent the heat pump from influencing the operation of the gas or oil burner Without this additional ventilation s...

Page 103: ...ron COM Air routing WPL 14 HT Internal installation WPL 14 HT Dimensions in mm minimum clearances Cellar window Cellar window Internal installation WPL 14 HT Dimensions in mm minimum clearances Louvre grille Louvre grille ...

Page 104: ...y then fill and vent it thoroughly Check the correct connection of the heating flow and return Flexible pressure hoses are recommended to reduce structure borne noise on the water side The required circulation pump and the pipe cross section can be determined from the table below Fit thermal insulation in accordance with local regulations Heat pump type WPL 14 HT with integral circulation pump Hea...

Page 105: ...ower consumption kW Max operating current A Starting current R start A Power cable mm Fuse protection A WPL 14 HT 6 2 19 3 30 5 x 2 5 C 16A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations WPL HT 3 phase 3 N PE 230V 50Hz Domestic meter Control phase L w o power OFF period Control phase L with power OFF period 3 N PE 400V 50Hz Heat pump meter Pulse Pulse ...

Page 106: ... to 20 C by the heat exchanger on the air side evaporator of the external unit Heating water is heated to flow temperature levels in the heat exchanger on the water side condenser by this extracted heat and additional heat from the electrical power used by the compressor At air temperatures below approx 7 C the humidity in the air precipitates as hoarfrost on the evaporator fins Any hoarfrost is a...

Page 107: ...298 4 Control cable n x mm 5 x 1 5 Heat pump power supply conn n x mm 5 x 1 5 Fuse compressor A C 16A Electrical booster heater fuse A C 16A Control circuit fuse A C 16A Protection hydraulic module IP 20 Protection heat pump module IP 14 B Voltage frequency load V Hz L N PE 230 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz L N PE 230 V 50 Hz Starti...

Page 108: ... specified in the diagram The heat pump module must be level horizontal The wind from the predominant wind direction must not blow directly onto the fan When selecting the installation location remember that the appliance creates noise and cold draughts during operation Maintain as small a distance as possible between the heat pump module and the hydraulic module to keep line losses to a minimum I...

Page 109: ...ng measures must be carried out in accordance with local and national regulations and the requirements of your local power supply company The connection must comply with the power connection diagram For this also observe the installation instructions for the heat pump manager WPMx WPL 20 26 AZ with hydraulic module 1 N PE 230V 50Hz Domestic meter T WW DHW sensor T BW V DHW flow T BW R DHW return T...

Page 110: ...110 www stiebel eltron COM Notes ...

Page 111: ...h vapour diffusion proof material condensate The brine lines require a wall outlet to the outside Maintain wall clearances service Requirements of the heat pump installation point Connect the heating system and heat source flow and return lines with flexible hoses to the heat pump If required clad walls in the installation location with anti reflection sound absorbing material Provide a power supp...

Page 112: ...xtraction rate of the ground is subject to the soil quality and lies between 10 and 40 W m at a spacing between pipes of 0 6 to 1 0 m and a depth of between 1 2 and 1 5 m To be able to utilise the ground as heat source plastic pipe loops geothermal collectors are buried under ground The heat transfer medium circulates through these pipes The mixture transfers the heat extracted from the ground to ...

Page 113: ...ansport brine that is colder than the cellar temperature Provide appropriate facilities for filling the system First mix the brine concentrate with water then fill the mixture into the heat source system Only brine liquids tested and approved by Stiebel Eltron are permissible To enable the correct venting of the ground collector route all pipes with a gradient towards the manifold and collector Br...

Page 114: ...114 www stiebel eltron COM Geothermal collector made from PE pipes Installation geothermal collector Boiler room Heating circuit Geothermal collector Duct incl distribution ...

Page 115: ...side temperature max 3 000 hours the geothermal collector must be enlarged by a factor of 1 6 Sizing table for geothermal collectors Extraction rate 25 W m ground area with very moist binding soil Heat pump type Source temperature 0 C Flow temperature 35 C Ground surface area m Lines PE pipe 100 m Amount ethylene glycol litres Brine assembly with pump and expansion vessel Brine distributor Type WP...

Page 116: ...116 www stiebel eltron COM Notes ...

Page 117: ...fusion proof material condensate The brine lines require a wall outlet to the outside Maintain wall clearances service Requirements of the heat pump installation point Connect the heating system and heat source flow and return lines with flexible hoses to the heat pump If required clad walls in the installation location with anti reflection sound absorbing material Provide a power supply and wirin...

Page 118: ...th the flow of groundwater and the thermal conductivity of the ground In larger systems several probes are connected in parallel to extract the required cooling capacity from the ground Extraction rate of geothermal probes Specific extraction rate per metre of geothermal probe Without knowing the soil condition an average specific extraction rate cooling load of 55 W m can be used as calculating b...

Page 119: ...ystem First mix the brine concentrate with water then fill the mixture into the heat source system Geothermal probes Only brine liquids tested and approved by Stiebel Eltron are permissible To enable the correct venting of the geothermal probes route all pipes with a gradient towards the manifolds and collectors Brine changes its volume at different temperatures consequently safety valves and expa...

Page 120: ... DN 20 Probe depth DN 20 up to 60 m DN 25 up to 100 m Probe spacing 5 0 m Expansion vessel for geothermal probes brine resistant with 0 5 bar pre charge pressure Mixture for filling geothermal probes 33 by vol ethylene glycol Tyfocor 67 by vol water System fill pressure 2 0 bar Boiler room Heating circuit Probe 1 Duct incl distribution Probe 2 ...

Page 121: ...ide temperature max 3 000 hours the geothermal probe system must be enlarged by a factor of 1 6 Sizing tables geothermal probes Sizing table geothermal probes DN 25 Extraction rate 55 W m geothermal probe with normal solid rock subsoil Heat pump type Source temperature 0 C Flow temperature 35 C No of geothermal probes pce Depth geothermal probe m Amount ethylene glycol litres Brine assembly with p...

Page 122: ...compared with water Take this into account when sizing the circulation pump Potassium carbonate KKS 30 can be used as an alternative to ethylene glycol The product is adjusted to a freezing point of 13 C and must not be mixed with either water or any other refrigerant Physical details of the potassium carbonate KKS 30 Temperature Density Spec thermal capacity Spec thermal conductivity Kinematic vi...

Page 123: ...geothermal collector pipes be routed with a gradient to the distributor Insulate the heat source lines inside the building with vapour diffusion proof material First mix the brine concentrate with water then fill the mixture into the heat source system Prior to commissioning fill the system with brine and pressure test it Use only a circulation pump that is resistant to brine and condensate The br...

Page 124: ...124 www stiebel eltron COM Notes ...

Page 125: ...s deliver energy to the heat pump The heat pump is installed in rooms that are free from the risk of frost Sets Several appliances can be linked together to cover even higher heating loads with our standard heating heat pumps For this we offer sets comprising two heat pumps respectively with their relevant accessories Perfect control The heating heat pump is operated and controlled by the heat pum...

Page 126: ...ed with the HCFC and CFC free refrigerant R410A Function Environmental energy is extracted by the heat exchanger on the heat source side evaporator Any energy extracted is transferred together with the energy drawn by the compressor drive to the heating water by a heat exchanger on the heating water side condenser Subject to the heating load the heating water can be heated to 60 C DHW is heated vi...

Page 127: ...e cross section acc to type of routing observe VDE 0298 4 Control cable n x mm 5 x 1 5 Fuse compressor A C 16A all poles Electrical booster heater fuse A C 16A Control circuit fuse A C 16 A Protection EN 60529 IP 20 Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 23 25 28 30 W...

Page 128: ...128 www stiebel eltron COM Output details WPC 5 7 10 13 Flow temperature 35 C Flow temperature 50 C Heat source temperature C Heating output kW ...

Page 129: ... 2 8 15 11 3 10 8 9 7 1 8 2 6 3 1 6 4 4 2 3 1 20 11 9 11 3 10 8 1 8 2 5 3 1 6 6 4 5 3 5 Brine water heat pump WPC 10 Heating output kW power consumption kW and coefficient of performance ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 5 8 6 8 2 2 2 3 2 3 9 2 5 0 9 9 9 5 2 2 3 1 4 5 3 0 5 11 4 10 8 10 1 2 2 3 1 4 0 5 3 3...

Page 130: ...her with other heating equipment ensure that the operation of other heating equipment will not be impaired Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plinth with a rubber mat underneath the appliance Insulate pipes through walls and ceilings against structure borne noise transmission Make the br...

Page 131: ... power supply 400 V internal HS 2 the control power supply 230 V the enable signal 230 V heating circuit pump 230 V the mixing valve 230 V various sensors and remote control units WPC with DHW heating Minimum circulation volume on the heating side 20 of the nominal flow rate of the heat pump Heat pumps type WPC with integral circulation pump UP 25 60 Heat pump Flow rate Residual head Copper pipe T...

Page 132: ...cription Brine water heat pump for internal installation with integral heating control unit WPM circulation pump safety valve diverter valve for DHW heating and electric booster heater The heat pump unit is equipped with a fully hermetically sealed compressor a soft starter a condenser an evaporator safety equipment such as a high low pressure limiter and frost protection The heat pump is filled w...

Page 133: ...routing observe VDE 0298 4 Control cable n x mm 5 x 1 5 Fuse compressor A C 16A all poles Electrical booster heater fuse A C 16A Control circuit fuse A C 16A Protection EN 60529 IP 20 Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 25 25 27 28 29 Weight and dimensions H x W x ...

Page 134: ...5 5 1 3 2 0 4 3 2 8 5 6 7 6 3 5 8 1 3 1 9 2 5 5 0 3 3 2 3 10 7 2 6 7 6 4 1 3 1 9 2 5 5 4 3 6 2 6 15 7 9 7 6 7 2 1 3 1 9 2 5 6 1 4 1 2 9 20 8 9 8 3 8 0 1 3 1 9 2 4 6 8 4 4 3 3 Brine water heat pump WPF 7 E cool Heating output kW power consumption kW and coefficient of performance ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW...

Page 135: ...output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 5 11 6 11 2 3 1 4 2 3 8 2 7 0 13 4 12 7 3 1 4 3 4 4 3 0 5 15 1 14 4 13 8 2 9 4 3 5 2 5 2 3 3 2 7 10 17 1 16 1 15 3 3 0 4 3 5 2 5 6 3 8 2 9 15 19 0 18 0 17 2 3 0 4 2 5 2 6 4 4 3 3 3 20 21 1 20 1 19 1 3 0 4 2 5 2 6 9 4 8 3 7 Output details WPF 5 7 10 13 16 E cool Brine water heat pump WPF 16 E cool Heat...

Page 136: ...reeds recess the screed and the anti vibration insulation around the installation location of the heat pump The installation room must not be subject to a risk of explosions arising from dust gases or vapours Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plinth with a rubber mat underneath the appl...

Page 137: ... the heating cartridge power supply 400 V internal HS 2 the control power supply 230 V the enable signal 230 V heating circuit pump 230 V the mixing valve 230 V various sensors and remote control units WPF E cool with buffer cylinder SBP 200 and DHW heating Heat pump type WPF E cool with integral heating circuit pump Heat pump Flow rate Residual head Copper pipe Type m h hPa mm WPF 5 E 1 0 515 22 ...

Page 138: ...ce description Brine water heat pump for internal installation with integral heating control unit WPM circulation pump safety valve diverter valve for DHW heating and electric booster heater The heat pump unit is equipped with an hermetically sealed compressor a soft starter a condenser an evaporator safety equipment such as a high low pressure limiter and frost protection The heat pump is filled ...

Page 139: ...ing observe VDE 0298 4 Control cable n x mm 5 x 1 5 Fuse compressor A C 16A all poles Electrical booster heater fuse A C 16A Control circuit fuse A C 16A Protection EN 60529 IP 20 Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 25 25 27 28 29 Weight and dimensions H x W x D mm...

Page 140: ... 1 3 2 0 4 3 2 8 5 6 7 6 3 5 8 1 3 1 9 2 5 5 0 3 3 2 3 10 7 2 6 7 6 4 1 3 1 9 2 5 5 4 3 6 2 6 15 7 9 7 6 7 2 1 3 1 9 2 5 6 1 4 1 2 9 20 8 9 8 3 8 0 1 3 1 9 2 4 6 8 4 4 3 3 Brine water heat pump WPF 7 Heating output kW power consumption kW and coefficient of performance ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 5 6...

Page 141: ...output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 5 11 6 11 2 3 1 4 2 3 8 2 7 0 13 4 12 7 3 1 4 3 4 4 3 0 5 15 1 14 4 13 8 2 9 4 3 5 2 5 2 3 3 2 7 10 17 1 16 1 15 3 3 0 4 3 5 2 5 6 3 8 2 9 15 19 0 18 0 17 2 3 0 4 2 5 2 6 4 4 3 3 3 20 21 1 20 1 19 1 3 0 4 2 5 2 6 9 4 8 3 7 Output details WPF 5 7 10 13 16 Brine water heat pump WPF 16 Heating output kW ...

Page 142: ...ng the WPF in a boiler room together with other heating equipment ensure that the operation of other heating equipment will not be impaired Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plinth with a rubber mat underneath the appliance Insulate pipes through walls and ceilings against structure bor...

Page 143: ... V internal HS 2 the brine pump power supply 400 V the control power supply 230 V the enable signal 230 V heating circuit pump 230 V the mixing valve 230 V various sensors and remote control units WPF with buffer cylinder SBP 100 and DHW heating Heat pumps type WPF with integral circulation pump UP 25 60 Heat pump Flow rate Residual head Copper pipe Type m h hPa mm WPF 5 0 6 280 22 x 1 0 WPF 7 0 8...

Page 144: ...ump for internal installation as a set combination The heat pump unit is equipped with an hermetically sealed compressor a soft starter a condenser an evaporator safety equipment such as a high low pressure limiter and frost protection The heat pump is filled with HCFC and CFC free R410A refrigerant Function Environmental energy is extracted by the heat exchanger on the heat source side evaporator...

Page 145: ...Voltage frequency load V Hz 3 PE 400 V 50 Hz Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 27 28 30 Weight and dimensions H x W x D mm 960 x 510 x 640 Weight kg 112 120 125 Other model characteristics Corrosion protection zinc plated painted Compliant with safety regulations UVV VDE GS Sound power level dB A 51 53 53 Output details Heat source temperature C 0 0 2 5 0 0 2 5 0...

Page 146: ...146 www stiebel eltron COM Output details WPF 10 13 16 M Flow temperature 35 C Flow temperature 50 C Heat source temperature C Heating output kW ...

Page 147: ...g output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 5 11 6 11 2 3 1 4 2 3 8 2 7 0 13 4 12 7 3 1 4 3 4 4 3 0 5 15 1 14 4 13 8 2 9 4 3 5 2 5 2 3 3 2 7 10 17 1 16 1 15 3 3 0 4 3 5 2 5 6 3 8 2 9 15 19 0 18 0 17 2 3 0 4 2 5 2 6 4 4 3 3 3 20 21 1 20 1 19 1 3 0 4 2 5 2 6 9 4 8 3 7 Output details WPF 10 13 16 M Brine water heat pump WPF 16 M Heating output k...

Page 148: ...nstalling the WPF M in a boiler room together with other heating equipment ensure that the operation of other heating equipment will not be impaired Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plinth with a rubber mat underneath the appliance Insulate pipes through walls and ceilings against stru...

Page 149: ...oughly Ensure the correct connection of the heating flow and return Flexible pressure hoses are recommended to reduce structure borne noise transmission on the water side The required circulation pump is integrated into the heat pump The adjacent table shows the pipe cross section Provide thermal insulation in accordance with local regulations WPF M with buffer cylinder SBP 200 and DHW heating Hea...

Page 150: ...t installation for the hydraulic connection of the heat pumps Sets with buffer cylinder SBP 700 and DHW heating Front view WPF 20 to 32 SET Dimensions in mm WPF 20 SET 2 x WPF 10 M WPF 23 SET 1 x WPF 10 M 1 x WPF 13 M WPF 26 SET 2 x WPF 13 M WPF 29 SET 1 x WPF 13 M 1 x WPF 16 M WPF 32 SET 2 x WPF 16 M Heat pumps type WPF SET with circulation pump UP 25 60 supplied Heat pump Flow rate Residual head...

Page 151: ... Power consumption Max operating current Starting current R start Power cable Fuse protection Type kW A A mm A WPF 10 M 4 5 7 7 27 5 x 2 5 C 16A all poles WPF 13 M 5 9 9 5 28 5 x 2 5 C 16A all poles WPF 16 M 6 2 12 0 29 5 x 2 5 C 16A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations WPF SET 3 N PE 230V 50Hz Domestic meter Control phase L w o power OFF per...

Page 152: ...allation A cascade comprising heat pumps positioned next to or above each other is feasible The heat pump drive unit is equipped with an hermetically sealed compressor condenser evaporator safety equipment such as a high low pressure limiter and a frost protection facility The heat pump is filled with HCFC and CFC free refrigerant R410A Function Environmental energy is extracted by the heat exchan...

Page 153: ...5A all poles C 35 A all poles C 50A all poles C 50A all poles Control circuit fuse A C 16A Protection EN 60529 IP 24 Voltage frequency load V Hz 3 PE 400 V 50 Hz Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 47 5 60 0 56 7 65 0 78 5 Weight and dimensions H x W x D mm 1160 x 1250 x 870 Weight kg 330 380 460 540 630 Other model characteristics Corrosion protection zinc plated ...

Page 154: ... 2 2 0 29 7 27 6 25 8 6 1 8 5 10 6 4 9 3 2 2 4 5 33 6 30 7 30 0 6 2 8 5 10 4 5 5 3 6 2 9 10 37 8 35 4 34 0 6 2 8 5 10 4 6 2 4 2 3 3 15 42 6 39 7 37 9 6 2 8 5 10 4 6 9 4 7 3 6 20 Brine water heat pump WPF 20 Heating output kW power consumption kW and coefficient of performance ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ...

Page 155: ...nce ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 5 49 3 47 4 46 2 11 5 15 9 19 3 4 3 3 0 2 4 0 55 8 53 1 51 3 11 6 15 8 19 1 4 8 3 4 2 7 5 63 2 59 5 57 11 7 15 9 19 2 5 4 3 7 3 0 10 71 6 66 5 62 3 11 9 16 1 19 4 6 0 4 1 3 2 15 80 6 75 2 71 2 12 2 16 2 19 4 6 6 4 6 3 7 20 Brine water heat pump WPF 66 Heating output kW...

Page 156: ...nstallation room must not be subject to a risk of explosions arising from dust gases or vapours When installing the WPF in a boiler room together with other heating equipment ensure that the operation of other heating equipment will not be impaired Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plin...

Page 157: ...it and electrically connect the contact sensor AVF 6 as a frost protection facility into the heating return of the heat pump The following conditions must be met Horizontal and level foundation base Route all supply lines inside a conduit that is free from the risk of frost Protect the connection area at the back panel against all weather and solar influences External installation of the brine wat...

Page 158: ...ance with local regulations Heat pumps type WPF without integral circulation pump Heat pump Flow rate Circulation pump Copper pipe Type m h Type mm WPF 20 3 7 UP 40 1 8E 42 x 1 5 WPF 27 5 0 UP 40 1 8E 54 x 2 0 WPF 40 7 5 UP 40 1 8E 76 x 2 5 WPF 52 9 2 UP 40 1 8E 76 x 2 5 WPF 66 11 5 UP 50 1 12E 76 x 2 5 Heating system connection WPF 20 27 40 52 66 WPF 20 to 66 with DHW heating and low loss header ...

Page 159: ... DHW heating Dimensions in mm Dimensions in mm Heat pump sets Several appliances can be linked together to cover even higher heating loads with our standard heating heat pumps For this sets are offered for out brine water heat pumps comprising two individual heat pumps WPF series WPF 80 SET 2 x WPF 40 WPF 92 SET 1 x WPF 40 1 x WPF 52 WPF 104 SET 2 x WPF 52 WPF 118 SET 1 x WPF 52 1 x WPF 66 WPF 132...

Page 160: ...ll poles WPF 40 17 4 30 60 5 x 6 0 C 35A all poles WPF 52 20 5 32 65 5 x 10 0 C 50A all poles WPF 66 25 5 41 80 5 x 10 0 C 50A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations Power supply WPF 20 27 40 52 66 WPF 20 66 3 N PE 230V 50Hz Domestic meter Control phase L w o power OFF period Control phase L with power OFF period 3 N PE 400V 50Hz Heat pump elec...

Page 161: ...al regulations Observe the particular requirements of the installation location Wall outlet required for the well installation Maintain wall clearances service Requirements of the installation position Connect the heating system and heat source flow and return lines with flexible hoses to the heat pump If required clad walls in the installation location with anti reflection sound absorbing materia...

Page 162: ...terfere in the sense of the Water Household Act Germany However the heat pump operator must apply to the relevant authority for usage of the water if applicable Well construction The wells should be at least 15 m apart The return or soakaway well returns the extracted water volume to the groundwater When constructing the wells ensure that the cooled water that enters the return well will not come ...

Page 163: ...ature The heating heat pump can when used as water water heat pump be used to a minimum heat source temperature of 7 C Checking the flow rate To be implemented during heat pump commissioning Measure the flow and return temperatures of the heat source Determine the temperature differential from both actual values and calculate the flow rate Connection To prevent the transmission of noise as far as ...

Page 164: ... This ensures a particularly high level of corrosion resistance against almost all constituents found in groundwater Consequently the permissible application range of these heat pumps regarding the prevailing water quality is very wide The use however is limited as follows only groundwater i e no surface water or saline groundwater no constituents that might settle iron and manganese ttl 0 5 mg l ...

Page 165: ... Caution Observe the groundwater quality Heat pump Heat exchanger type Alfa Laval Well circuit pump Brine circuit pump WPF 5 M3 FG 19 SP 3A 6 UPF 40 1 8E WPF 7 M3 FG 22 SP 3A 6 UPF 40 1 8E WPF 10 M3 FG 25 SP 3A 6 UPF 40 1 8E WPF 13 M3 FG 34 SP 3A 6 UPF 40 1 8E WPF 16 M3 FG 46 SP 5A 6 UPF 40 1 8E WPF 20 SET M3 FG 48 SP 5A 6 UPF 40 1 8E WPF 23 SET M3 FG 55 SP 8A 7 UPF 40 1 8E WPF 26 SET T5M FG 28 SP...

Page 166: ...re can the heat pump be located Provide foundations How do I make the power connection Observe general requirements and guidelines Observe conditions on site Water water heat pump with well installation Has the permit for the utilisation of groundwater been granted by your local water board Is sufficient groundwater available for the operation of the heat pump pump test Has the water quality been ...

Page 167: ...ronmental heat is extracted from the water that is between 7 C and 12 C by a heat exchanger evaporator The heat pump is installed in rooms that are free from the risk of frost Perfect control The heating heat pump is operated and controlled by the heat pump manager that should preferably be installed in or near the heat pump 26_03_01_0450 ...

Page 168: ...e diverter valve for DHW heating and electric booster heater The heat pump drive unit is equipped with an hermetically sealed compressor soft starter condenser evaporator made completely from stainless steel safety equipment such as a high low pressure limiter and a frost protection facility The stainless steel evaporator is corrosion resistant to all types of groundwater that contain no more than...

Page 169: ... of routing observe VDE 0298 4 Control cable n x mm 5 x 1 5 Fuse compressor A C 16A all poles Electrical booster heater fuse A C 16A Control circuit fuse A C 16A Protection EN 60529 IP 20 Voltage frequency load V Hz 3 PE 400 V 50 Hz Booster heater connection V Hz 3 N PE 400 V 50 Hz 8 8 kW Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 25 25 27 28 Weight and dimensions H x W x...

Page 170: ...170 www stiebel eltron COM Output details WPW 7 10 13 18 Flow temperature 35 C Flow temperature 50 C Heat source temperature C Heating output kW ...

Page 171: ... 7 2 8 15 11 3 10 8 9 7 1 8 2 6 3 1 6 4 4 2 3 1 20 11 9 11 3 10 8 1 8 2 5 3 1 6 6 4 5 3 5 Water water heat pump WPW 13 Heating output kW power consumption kW and coefficient of performance ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 7 11 8 11 3 10 6 2 2 3 1 4 0 5 4 3 6 2 6 10 12 5 12 2 11 3 2 3 3 2 4 0 5 5 3 8 2 8 1...

Page 172: ...he WPW in a boiler room together with other heating equipment ensure that the operation of other heating equipment will not be impaired Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plinth with a rubber mat underneath the appliance Insulate pipes through walls and ceilings against structure borne n...

Page 173: ...artridge power supply 400 V internal HS 2 the well pump power supply 400 V the control power supply 230 V the enable signal 230 V heating circuit pump 230 V the mixing valve 230 V various sensors and remote control units WPW with buffer cylinder SBP 100 and DHW heating Heat pumps type WPW with integral circulation pump UP 25 60 Heat pump Flow rate Residual head Copper pipe Type m h hPa mm WPW 7 0 ...

Page 174: ...soft starter condenser evaporator made completely from stainless steel safety equipment such as a high low pressure limiter and a frost protection facility The stainless steel evaporator is corrosion resistant to all types of groundwater that contain no more than 300 mg l chloride and 0 5 mg l free chlorine The heat pump is filled with HCFC and CFC free refrigerant R410A Function Environmental ene...

Page 175: ... frequency load V Hz 3 PE 400 V 50 Hz Voltage frequency control V Hz 1 N PE 230 V 50 Hz Starting current A 27 28 30 Weight and dimensions H x W x D mm 960 x 510 x 640 Weight kg 112 120 125 Other model characteristics Corrosion protection zinc plated painted Compliant with safety regulations UVV VDE GS Sound power level dB A 51 53 53 Output details Heat source temperature C 10 10 10 10 10 10 10 10 ...

Page 176: ...176 www stiebel eltron COM Output details WPW 13 18 22 M Flow temperature 35 C Flow temperature 50 C Heat source temperature C Heating output kW ...

Page 177: ...ce ε Heat source temp C Heating output Power consumption COP 35 C 50 C 60 C 35 C 50 C 60 C 35 C 50 C 60 C kW kW kW kW kW kW ε ε ε 7 15 9 15 1 14 4 3 0 4 3 5 2 5 4 3 5 2 8 10 17 1 16 1 15 3 3 0 4 3 5 2 5 6 3 8 2 9 15 19 0 18 0 17 2 3 0 4 2 5 2 6 4 4 3 3 3 20 21 1 20 1 19 1 3 0 4 2 5 2 6 9 4 8 3 7 Water water heat pump WPW 22 M Heating output kW power consumption kW and coefficient of performance ε ...

Page 178: ...talling the WPW M in a boiler room together with other heating equipment ensure that the operation of other heating equipment will not be impaired Acoustic emissions Never install the heat pump immediately below or adjacent to bedrooms Good sound insulation can be achieved by using a concrete plinth with a rubber mat underneath the appliance Insulate pipes through walls and ceilings against struct...

Page 179: ...oughly Ensure the correct connection of the heating flow and return Flexible pressure hoses are recommended to reduce structure borne noise transmission on the water side The required circulation pump is integrated into the heat pump The adjacent table shows the pipe cross section Provide thermal insulation in accordance with local regulations WPW M with buffer cylinder SBP 200 and DHW heating Hea...

Page 180: ...pumps UP 25 60 and a compact installation for the hydraulic connection of the heat pumps Sets with buffer cylinder SBP 700 and DHW heating Front view WPW 26 to 44 SET Dimensions in mm WPW series WPW 26 SET 2 x WPW 13 M WPW 31 SET 1 x WPW 13 M 1 x WPW 18 M WPW 36 SET 2 x WPW 18 M WPW 40 SET 1 x WPW 18 M 1 x WPW 22 M WPW 44 SET 2 x WPW 22 M Heat pump Flow rate Residual head Copper pipe Type m h hPa ...

Page 181: ...he heat pump meter Electrical specification of the heat pumps Heat pump Power consumption Max operating current Starting current R start Power cable Fuse protection Type kW A A mm A WPW 13 M 4 5 7 7 27 5 x 2 5 C 16A all poles WPW 18 M 5 9 9 5 28 5 x 2 5 C 16A all poles WPW 22 M 6 2 12 0 29 5 x 2 5 C 16A all poles Cable cross section acc to type of routing observe VDE 0298 4 or local regulations WP...

Page 182: ...182 www stiebel eltron COM Notes ...

Page 183: ...183 www stiebel eltron COM Accessories for heating heat pumps ...

Page 184: ...y connected heat pump Integral solar controller heat meter or passive active cooling functions may be activated as required Optional connection for a FE 7 room temperature controller accessory that switches the direct or the mixer circuit Optimisation of the compressor use A convenient fault diagnosis either on site or from a service centre is enabled through an integral optical interface and the ...

Page 185: ... the appropriate sensor well of the respective cylinder Where no buffer cylinder is installed fit the immersion sensor into the heat pump return Contact sensor AVF 6 Thoroughly clean the pipe before the installation Apply heat conducting paste and secure the sensor with a tie Required temperature sensors Outside temperature sensor Heat pump flow temperature Heat pump return sensor DHW temperature ...

Page 186: ... II heat pump manager and is suitable for all STIEBEL ELTRON heating heat pumps The mixer module is available in two versions One version is the MSMS control panel version or MSMW which is the wall mounting enclosure version An on site BUS cable provides the communication between the mixer module MSM and the WPM II The MSM can be used for heat pump systems with a second mixer circuit H3 and or for...

Page 187: ...the appliance and enables the allocation of appliance specific addresses for controlling the heat pump Only connect the BUS cable during commissioning BUS cable J Y St 2 x 2 x 0 8 mm Outside temperature sensor AFS 2 accessory Install the outside temperature sensor on a north or north eastern wall behind a heated room 2 5 m above ground level and 1 m away from windows and doors The outside sensor s...

Page 188: ...appropriate sensor well of the respective cylinder Contact sensor for WPM II MSM and WPMi Type AVF 6 Part no 16 53 41 Specification Diameter mm 6 Cable length m 1 Technical description Thoroughly clean the pipe before installation Apply heat conducting paste and secure the sensor with a tie Remote control with room sensor for heating and cooling operation with the WPMi heat pump manager Type FEK P...

Page 189: ...obile phone network It comprises the GSM modem and the DCO active GSM both are fully wired inside a plastic wall mounting enclosure Remote data transfer for WPM II and WPMi Type DCo active GSM Part no 18 96 22 Technical description Module for remote data transfer via a commercially available GSM or analog modem Automatic transmission of a text message in case of faults Adjustable via parameters th...

Page 190: ...C WPF WPL and LWZ Internet Service Gateway for WPM II and WPMi Type ISG gsm Part no 22 93 37 Technical description Gateway in wall mounting enclosure to connect the WPM and LWZ controller to the internet Automatic transfer of appliance data to the Stiebel Eltron Internet Service Portal Data transfer via DSL or GSM Can be connected to the current control units of the heat pump series WPC WPF WPL an...

Page 191: ...tween heating and cooling mode Electrical distribution strip SPcool Heat pump manager WPMi SP cool distribution strip Room thermostats Heating circuit distributor with zone valves Heat meter in conjunction with VM 25 or VM 6 Type WMZ WP Part no 07 43 22 Technical description For calculating the transferred heat amount the WMZ WP heat meter takes the dependence of specific thermal capacity c and de...

Page 192: ...nsured automatically Heating and cooling functions enabled for each room individually Optimised control function for active and passive cooling HFR wireless heating controller in conjunction with HC 1 Type HFR Part no 22 93 33 Technical description Room temperature controller for low emission wireless technology Rotary temperature selector can be adjusted in 1 4 degree steps Set temperature applic...

Page 193: ...mp flow 2 Heat pump return 3 Heating flow 4 Heating return 5 Automatic air vent valve 6 Heat pump return sensor 7 Fill drain valve Dimensions in mm Technical description For the hydraulic separation of heat pump and heating circuit with air separator and dirt trap Welded casing with connectors made from flanged pipes with union nuts Fully insulated with automatic float air vent valves sensor wells...

Page 194: ...l mounting panel Buffer cylinder unsuitable for cooling Electric immersion heater for buffer cylinder for the buffer cylinder SBP 100 Komfort Type SBP HF Part no 07 42 52 Specification Voltage V 1 N PE 230 V 3 PE 400 V Heating output kW 1 2 3 4 5 and 6 0 Technical description Immersion heater for installation into a buffer cylinder SBP 100 as electric booster The immersion heater is equipped as st...

Page 195: ...ted subject to the system in DN 25 180 mm gauge for bore holes Weight 5 1 kg Compact installation for the buffer cylinder SBP 100 Komfort DHW heating with the WPF M WPW M series Type WPKI W Part no 07 43 15 Technical description The compact installation comprises the required components for the hydraulic connection of the heating heat pump to the DHW cylinder such as the shut off valves non return...

Page 196: ...to bridge power OFF periods The 90 mm thermal insulation as directly applied PU foam insulation ensures especially low heat losses and is protected with an easy care plastic jacket A sensor well is provided for connecting the sensor Technical description SBP 200 E cool Cylinder for hydraulic separation of the heat pump and heating cooling circuit flow It is designed to provide system separation to...

Page 197: ...to an extent to bridge power OFF periods The 75 mm thermal insulation as directly applied PU foam insulation ensures especially low heat losses and is protected with an easy care plastic jacket A sensor well is provided for connecting the sensor Technical description SBP 400 E cool Cylinder for hydraulic separation of the heat pump and heating cooling circuit flow It is designed to provide system ...

Page 198: ...plastic jacket A sensor well is provided for connecting the lower sensor The thermal insulation can be removed from the sides to enable the transportation of the cylinder through doorways as narrow as 770 mm Technical description SBP 700 E SOL Cylinder for the hydraulic separation of the heat pump and heating circuit flow with an additional smooth tube indirect coil for connecting for example sola...

Page 199: ...6 comprises the required components for the hydraulic connection of the heat pumps WPF WPC WPW to the buffer cylinder SBP 200 700 DHW heating set for WPKI 5 Type BBI 5 Part no 22 08 32 Specification Connections Inches G 1 Cu 28 x 1 5 Weight kg 20 Technical description The DHW heating set contains all required components for the hydraulic connection of heat pumps to the DHW cylinder Select and retr...

Page 200: ... fitting accessories to the flanged aperture and the six threaded connectors The thermal insulation WD 1000 SBP as special accessory ensures particularly low heat losses Technical description SBP 1000 E SOL As for the SBP 1000 E however this may also be connected to a solar thermal system for central heating backup The solar energy will be transferred to the heating water through an internal 3 0 m...

Page 201: ...rough fitting accessories to the flanged aperture and the six threaded connectors The thermal insulation WD 1500 SBP as special accessory ensures very low heat losses Technical description SBP 1500 E SOL As for the SBP 1500 E however this may also be connected to a solar thermal system for central heating backup The solar energy will be transferred to the heating water through an internal 3 6 m sm...

Page 202: ...secured with a quick release hook strip Thermal insulation for SBP 1000 1500 E cool Thermal insulation for buffer cylinders SBP 1000 1500 E cool Type WD 1000 E cool WD 1500 E cool Part no 22 75 94 22 75 95 Dimensions Height mm 2340 2255 Diameter mm 1110 1220 Thermal insulation thickness mm 90 90 Technical description The high grade rigid EPTS foam insulation with insulation cover for the buffer cy...

Page 203: ... Hz Power consumption W 46 67 93 115 165 205 Connection Inches G 1 G 1 Installed length mm 180 180 Protection IP 44 IP 43 Technical description Circulation pump set for the compact installations comprising one circulation pump that can be electrically controlled in three stages without pipe fittings Circulation pump for central heating Circulation pump for central heating ...

Page 204: ...y V Hz 1 N PE 230 V 50 Hz Power consumption W 18 290 18 290 Connection DN 40 50 Installed length mm 220 220 Protection IP 44 IP 43 Technical description Heating circuit pump with thermal insulation for heating systems Electronically regulated circulation pump adjustable in five stages Circulation pump for central heating Circulation pump for central heating ...

Page 205: ... 24 Specification Voltage frequency V Hz 1 N PE 230 V 50 Hz Power consumption W 46 67 93 18 290 Connection Inches G 1 G 2 Installed length mm 180 180 Protection IP 44 IP 43 Technical description Circulation pump potable water version for installation into DHW systems Circulation pump for central heating Circulation pump for central heating ...

Page 206: ...ed circulation pump with 6 m head and a three way mixer insulation temperature indicators for flow and return and a check valve connection G 1 male flat packing heating circuit connection 1 fem Pipe connection assembly for WPKI HK and WPKI HKM with SBP 400 700 Type WPKI RB Part no 22 11 41 Specification Cylinder connections Inches G 1 Compact installation connections Inches G 1 Technical descripti...

Page 207: ...ed with 19 mm thick thermal insulation facilitates the easy joining of the heat pump with the heating system and acts as an anti vibration mount Pressure hoses DN 50 2 pce required Type SD 50 1 Part no 18 52 79 Specification Length m 1 Internal diameter DN 50 Threaded connection Inches G 2 Operating pressure bar 2 5 Technical description The pressure hose fitted with 19 mm thick thermal insulation...

Page 208: ...as an anti vibration fitting Hose fittings 2 pce per pack For pressure hose DN 25 DN 32 Part no 00 37 13 07 06 92 Specification Threaded connection Inches G 1 Technical description Hose connection for pressure hose two per pack is required when cutting pressure hoses Heating diverter valve with servomotor accessory Type HUV 1 HUV 2 HUV 65 HUV 80 Part no 18 55 80 22 33 91 22 74 25 22 74 26 Specific...

Page 209: ...adjustable thermostat which is set to a temperature limit of 60 C As an option the limit temperature can be adjusted to 45 C or 80 C Further equipment includes a high limit safety cut out disconnects all poles and the extension through the thermal insulation splash proof Pipe set Accessories for BGC Type WPRB Part no 07 42 33 Specification Length mm 600 Pipe diameter Inches Rp 2 Connection for BGC...

Page 210: ...tainer pressure gauge 2 5 bar safety valve and the fill drain valve Brine kit for heat pump systems with geothermal probes or geothermal collectors Type WPSB 307 WPSB 308 WPSB 310 WPSB 407 Part no 07 42 01 22 23 75 07 42 02 07 42 03 Specification Expansion vessel l 12 Safety valve bar 2 5 Heat pump connection Inches G 1 G 1 G 1 G 1 male Connection heat source Inches G 1 G 1 G 1 G 2 male Brine circ...

Page 211: ...e kit Brine filling unit for WPF WPC and WPC cool Type WPSF Part no 22 33 96 Technical description Brine filling unit for filling and flushing the brine circuit Suitable for brine water heat pumps with a heating output of up to 10 kW ...

Page 212: ... 1 N PE 230 V 50 Hz Power consumption W 46 67 93 115 165 205 Connection Inches G 1 G 1 Installed length mm 180 180 Protection IP 44 IP 43 Technical description Circulation pump for the heat source system Electronically regulated circulation pump adjustable in five stages Comprising two shipping units pump vapour diffusion proof insulation Brine circuit pump Brine circuit pump ...

Page 213: ... return connection R 1 female including wall retainers and air vent valve for each distributor Concentrated heat transfer medium for heat pump systems with geothermal probes or geothermal collectors Type MEG Part no 16 16 96 Technical description Concentrated heat transfer medium based on ethylene glycol for brine water heat pump systems frost and corrosion protection 30 litres Mix with water prio...

Page 214: ...ster only ethylene glycol Type Part no 14 15 10 Technical description Antifreeze tester for checking the frost protection level of ethylene glycol water mixtures in heat pump systems with a temperature display from 5 C to 35 C Brine pressure switch for WPF C Type DWS 1 Part no 22 13 82 Technical description The pressure switch responds to a falling brine pressure and the heat pump system is shut d...

Page 215: ... brine circuit Per 100 m ventilated living space the heat source can be reduced by approx 700 W extract capacity The LWM 250 can be installed directly on the WPC or on a wall mounting panel The control unit supplied enables the selection of a complete ventilation program with three ventilation stages and various operating modes An LED signals that the filter has become contaminated and should be r...

Page 216: ...inuous slope no less than 10 Ensure the level installation of the equipment Power supply Route power supply and control cables separately The ventilation appliance must be able to be separated from the mains power supply by an additional isolator that disconnects all poles with at least 3 mm contact separation For this purpose use contactors main isolators or fuses etc on site The terminals are lo...

Page 217: ...ze Four 3 2 way valves switch over the circuit subject to demand between heating passive and active cooling At a glance Passive and active cooling in conjunction with the WPF WPC Utilisation of fan convectors and or underfloor heating system Complete control via the heat pump Monitoring the dew point with lead room controller FEK Easy connection via the quick acting union Easy wiring WPAC 1 for WP...

Page 218: ...nnection panel for the internal installation of air water heat pumps For heat pumps WPL 10 WPL 13 to 33 Part no 16 71 20 00 34 78 Specification Height mm 300 780 Width mm 700 1180 Aperture round oval mm 410 x 155 690 x 300 Technical description Thermally insulated hose connection plate with a collar and hose clips to join the hose to the wall outlet The plate is designed for installation onto exis...

Page 219: ...on Voltage frequency V Hz 1 PE 230 V 50 Hz Pump rate l h 500 Pump head m 5 4 Power consumption VA 90 Height mm 170 Width mm 195 Depth mm 130 Weight kg 2 0 Technical description Float switch controlled pump for pumping condensate with hose connection fully wired ready to plug in Silencer DN 135 only required for the internal installation of the WPL 10 Type Silencers Part no 17 00 18 Technical descr...

Page 220: ...excl packaging kg 156 184 Technical description Sealed unvented heat pump solar cylinder floorstanding pressurised made from steel with enamelled low scaling smooth tube indirect coils and sensor wells The thermal insulation is in the form of directly applied rigid PU foam and a removable 1 mm plastic jacket and a plastic cover As supplied with a protective anode thermometer PTC sensor and dummy f...

Page 221: ... heat pump solar cylinder floorstanding pressurised made from steel with enamelled low scaling smooth tube indirect coils installed at the bottom plus sensor wells The thermal insulation is in the form of directly applied rigid PU foam and a removable 1 mm plastic jacket and a plastic cover As standard supplied with a protective anode thermometer PTC sensor and dummy flange for inspection aperture...

Page 222: ...thermal insulation mm 1010 1010 Height when tilted mm 1840 2285 Weight excl packaging kg 210 267 Technical description Sealed unvented heat pump cylinder floorstanding pressure tested made from enamelled steel designed for combination with the primary station WTS 30 40 as special accessory for DHW heating DHW cylinder The thermal insulation WD SBB as special accessory ensures the lowest heat losse...

Page 223: ...d dimensions Height mm 1740 2250 Diameter incl thermal insulation mm 1010 1010 Height when tilted mm 1840 2285 Weight excl packaging kg 210 267 Technical description Sealed unvented heat pump cylinder floorstanding pressure tested made from enamelled steel designed for combination with the primary station WTS 30 40 as special accessory for DHW heating Cylinder SBB SOL with integral smooth tube int...

Page 224: ...hen tilted mm 790 790 1000 Weight excl packaging kg 150 175 236 Technical description Cylinder for DHW heating and hydraulic separation of the heat pump and heating circuit flow It is designed to provide system separation to extend the heat pump runtimes and to an extent to bridge power OFF periods DHW is heated via a corrugated stainless steel internal indirect coil that functions like an instant...

Page 225: ...ackaging kg 150 175 236 Technical description Cylinder for DHW heating and hydraulic separation of the heat pump and heating circuit flow It is designed to provide system separation to extend the heat pump runtimes and to an extent to bridge power OFF periods Cylinder with integral smooth tube internal coils for connecting solar thermal systems DHW is heated via a corrugated stainless steel intern...

Page 226: ...0 1220 1220 Thermal insulation thickness mm 110 110 110 Technical description High grade EPTS rigid foam thermal insulation with insulated cover for DHW cylinders SBB 800 1000 1500 ensure the lowest heat losses Wedge shaped cut outs and fleece layer ensure an optimum match to the cylinder External plastic jacket in pure white lid in basalt grey Thermal insulation secured with a quick release hook ...

Page 227: ...bar 6 Max operating temperature C 110 Heating flow return connection Inches G 1 Cold water DHW connection Inches G 1 Power supply Voltage frequency V Hz 1 N PE 230 V 50 Hz Protection IP 40 Weight and dimensions Height mm 850 Width mm 500 Depth mm 275 Weight excl packaging kg 15 Technical description DHW heating with plate type heat exchanger system for a draw off volume up to 20 l min hot water at...

Page 228: ...ses several hard soldered stainless steel plates Inlet connector for floorstanding DHW cylinder for floorstanding STIEBEL ELTRON cylinder SB l 302 402 602 1002 Part no 07 29 97 07 29 98 Specification DHW cylinder connection Inches G 1 G 2 Inlet pipe connection Inches G 1 G 1 Length of the inlet pipe m 0 5 0 7 Technical description Inlet pipe for feeding water from an external heat exchanger Effect...

Page 229: ... range heating max C 30 Dimensions Height mm 600 600 600 600 600 Width mm 690 890 1090 1290 1490 Depth mm 142 142 142 142 142 Weight kg 21 27 34 42 51 Ratings at room temperature 20 C flow temperature 45 C return temperature 40 C Technical description Fan convector as replacement for radiators to reduce the flow temperature The standard connection dimension of 500 mm between flow and return as wel...

Page 230: ...lation pump solid fuel boiler Pos 3 x Circulation pump cooling heating side Pos 3 y Circulation pump cooling heat source Pos 4 Compact installation type WPKI Pos 5 Safety valve Pos 6 Expansion vessel Pos 7 Buffer cylinder low loss header Pos 8 Pressure hose anti vibration mount Pos 9 Non return valve Standard circuits Description of listed positions Pos 10 Fill drain valve Pos 11 Oil fired boiler ...

Page 231: ...stiebel eltron COM WPC mono mode with DHW heating WPC mono mode with DHW heating WPC mono mode without buffer cylinder Minimum circulation volume on the heating side 20 of the nominal flow rate of the heat pump ...

Page 232: ...232 www stiebel eltron COM WPC mono mode with DHW heating and a 100 litre buffer cylinder WPC mono mode with DHW heating and a 100 litre buffer cylinder WPC mono mode with low loss header ...

Page 233: ...233 www stiebel eltron COM WPC mono mode with DHW heating and low loss header WPC mono mode with DHW heating and low loss header WPC mono mode with low loss header ...

Page 234: ...234 www stiebel eltron COM WPF E mono mode without buffer cylinder WPF E mono mode with DHW heating ...

Page 235: ...235 www stiebel eltron COM WPF E mono mode with low loss header WPF E mono mode with DHW heating and low loss header ...

Page 236: ...ith DHW heating and a 200 700 litre buffer cylinder plus solar collectors for DHW heating WPF mono mode with DHW heating and a 200 700 litre buffer cylinder plus solar collectors for DHW heating WPF mono mode with 200 400 litre buffer cylinder ...

Page 237: ...237 www stiebel eltron COM WPF mono mode with DHW heating and a 100 litre buffer cylinder WPF mono mode with DHW heating and a 100 litre buffer cylinder WPF mono mode with 100 litre buffer cylinder ...

Page 238: ... 700 litre buffer cylinder plus solar collectors for DHW heating and central heating backup WPF mono mode with DHW heating and a 700 litre buffer cylinder plus solar collectors for DHW heating and central heating backup WPF mono mode with 700 litre buffer cylinder ...

Page 239: ...g and a combi cylinder SBS W plus solar collectors for DHW heating and central heating backup WPF mono mode with DHW heating and a combi cylinder SBS W plus solar collectors for DHW heating and central heating backup WPF mono mode with a combi cylinder SBS W ...

Page 240: ...www stiebel eltron COM WPF SET mono mode with DHW heating and a 700 litre buffer cylinder WPF SET mono mode with DHW heating and a 700 litre buffer cylinder WPF Set mono mode with 700 litre buffer cylinder ...

Page 241: ... COM WPL with WPIC mono energetic with DHW heating and a 200 700 litre buffer cylinder WPL with WPIC mono energetic with DHW heating and a 200 700 litre buffer cylinder WPL WPIC mono energetic with 200 litre buffer cylinder ...

Page 242: ...ebel eltron COM WPL mono energetic with DHW heating and a 200 700 litre buffer cylinder WPL mono energetic with DHW heating and a 200 700 litre buffer cylinder WPL mono energetic with 200 400 litre buffer cylinder ...

Page 243: ...h DHW heating and a 200 700 litre buffer cylinder plus solar collectors for DHW heating WPL mono energetic with DHW heating and a 200 700 litre buffer cylinder plus solar collectors for DHW heating WPL mono energetic with 200 400 litre buffer cylinder ...

Page 244: ...00 litre buffer cylinder plus solar collectors for DHW heating and central heating backup WPL mono energetic with DHW heating and a 700 litre buffer cylinder plus solar collectors for DHW heating and central heating backup WPL mono energetic with 700 litre buffer cylinder ...

Page 245: ...nd a combi cylinder SBS W plus solar collectors for DHW heating and central heating backup WPL mono energetic with DHW heating and a combi cylinder SBS W plus solar collectors for DHW heating and central heating backup WPL mono energetic with a combi cylinder SBS W ...

Page 246: ...l eltron COM WPL in a cascade with DHW heating and a 700 litre buffer cylinder WPL mono energetic with 700 litre buffer cylinder WPL in a cascade with DHW heating and a 700 litre buffer cylinder unsuitable for WPL 33 ...

Page 247: ...247 www stiebel eltron COM DHW heat pumps ...

Page 248: ...on that helps you to save day by day Convincing performance Suitable for several draw off points in domestic and commercial properties In heat pump mode the appliance delivers hot water up to 55 C The heating output can be boosted to 65 C at the push of a button The installation location can be freely selected At ambient temperatures from 6 C to 35 C the heat pump operation is guaranteed The CFC f...

Page 249: ...249 www stiebel eltron COM WWK 300 Fan Compressor Electric booster heater DHW cylinder Heat exchanger Expansion ventil Evaporator Collector Condenser ...

Page 250: ...a a programmable time switch 7 day disc As standard equipped with a main isolator thermometer boiler operation pushbutton total contents up to 55 C illuminated pushbutton for heating once only 100 l to 65 C and electric booster heater Air water heat pump unit with safety heat exchanger condenser evaporator fan and compressor Also steel DHW cylinder with special enamel coating on the inside with an...

Page 251: ...t exchanger Indirect coil surface area m 1 3 Pressure drop indirect coil mbar 4 5 at 1000 l h Pressure drop indirect coil mbar 8 0 at 1500 l h Heating output indirect coil at 55 C kW 13 7 at 1000 l h Heating output indirect coil at 70 C kW 14 8 at 1000 l h Heating output indirect coil at 80 C kW 15 2 at 1000 l h Heating connection indirect coil Inches R 1 male Standby energy consumption 24 h 4 kWh...

Page 252: ...the wall and the air duct Air inlet side Air discharge side of the WWK Optional wall connection Air duct connection for commercially available air ducts or flexible pipes with 200 mm Ø Max possible length Ø 200 mm 8 m Condensate pump only required for the internal installation of the WPL without bottom drain Type PK 10 Part no 22 92 86 Specification Voltage frequency V Hz 1 PE 230 V 50 Hz Pump rat...

Page 253: ...90 C Boiler with DHW priority control via electronic sensor connected to the boiler control unit The circulation pump is regulated by the boiler control unit and via a relay in the WWK The switching signal for DHW heating is transferred from the electronic sensor that is to be fitted inside a sensor well in the heat pump cylinder to the heating control unit The WWK 300 SOL can also operate in para...

Page 254: ...iler operation will not be impaired The available floor area in the installation room must be at least 6 m Never install this appliance in rooms with a volume of less than 13 m Installation WWK 300 SOL C ON OFF 1x 60 C ECO Installation WWK min 400 660 min 400 Air Air 688 100 1800 min 2150 1 Cold water supply Ø 22 2 DHW connection Ø 22 3 Condensate drain hose connection 4 DHW circulation connection...

Page 255: ...255 www stiebel eltron COM WWP 300 DHW cylinder Electric booster heater Compressor Expansion valve Fan Evaporator Condenser Anode Collector ...

Page 256: ... 300 litre water capacity Heat pump operation up to 55 C Compact design of heat pump module and cylinder Easy to assembly and install Heat pump operation at air temperatures from 6 C to 35 C DHW temperature adjustable from approx 25 C to 55 C The standard time switch enables the automatic switching via a selector of the booster heater to reach temperatures up to 65 C Standard pushbutton for starti...

Page 257: ...heat exchanger Permiss operating pressure water side bar 6 Perm operating pressure refrigerant side bar 24 Voltage frequency V Hz 1 N PE 230 V 50 Hz Protection IP 24 Height when tilted mm 1990 Fuse protection A 10 gL Rated power consumption heat pump A 2 5 Rated power consumption heat pump 1 kW 0 5 Rated power consumption booster heater kW 1 7 Heating output heat pump 2 kW 1 7 Performance factor 4...

Page 258: ...1 Cold water supply R 1 R with adaptor 2 DHW connection R 1 R with adaptor 3 Condensate drain R hose connection 4 Connection for P T valve R on site 5 Electrical connecting cables 6 Drain valve 7 Safety valve 8 Straight through shut off valve 9 Pressure gauge test connector 10 Non return valve 11 Test valve connection 12 Pressure reducing valve Dimensions in mm 3 min 100 Air Air ...

Page 259: ...rooms with a volume of less than 13 m Power connection The WWP is supplied fully wired A 230 V 50 Hz mains socket with earth is required Fuse 16 A gL DHW installation WWP 300 Observe DIN 1988 or local regulations and the regulations specified by your local water supply utility Never exceed the operating pressure 6 bar specified on the rating plate Safety valve R 3 4 Response pressure 6 bar For fur...

Page 260: ...borough Wirral CH62 3QP Email info stiebel eltron co uk www stiebel eltron co uk Hungary STIEBEL ELTRON Kft Pacsirtamező u 41 H 1036 Budapest Tel 01250 6055 Fax 01368 8097 Email info stiebel eltron hu www stiebel eltron hu Japan Nihon Stiebel Co Ltd Ebara building 3F 2 9 3 Hamamatsu cho Minato ku Tokyo 105 0013 Tel 3 34364662 Fax 3 34594365 fujiki nihonstiebel co jp Netherlands STIEBEL ELTRON Nede...

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