Relevant documents 3 heater 26 Safety instructions 3 12.4 Performance diagram WPL 08 S Trend 26 Other symbols in this documentation 4 12.5 Performance diagram WPL 12 S Trend 27 Units of measurement 4 12.6...
SPECiaL iNfOrmaTiON | OPEraTiON General information SPECiaL iNfOrmaTiON OPEraTiON - The appliance may be used by children aged 8 General information and older and persons with reduced physical, sensory or mental capabilities or a lack of ex- The chapters „Special Information“ and „Operation“ are intended for both the user and qualified contractors.
OPEraTiON Safety Other symbols in this documentation Safety Note Intended use General information is identified by the adjacent symbol. This appliance may only be installed in sealed hot water heating f Read these texts carefully. systems in accordance with EN 12828. This appliance is intended for domestic use.
OPEraTiON appliance description Appliance description 3.1.2 Automatic defrosting Defrosting takes different forms depending on the prevailing am- This appliance is a heat pump designed for outdoor installation. bient conditions: This appliance is used to connect an internal unit (see the chapter „Accessories / Required accessories“).
OPEraTiON Cleaning, maintenance and care Cleaning, maintenance and care Material losses Only qualified contractors may perform maintenance work, such as electrical safety checks. - A damp cloth is sufficient for cleaning all plastic and sheet metal parts. Never use abrasive or corrosive cleaning agents. - Check the condensate drain monthly (visual inspection).
iNSTaLLaTiON Safety iNSTaLLaTiON Standard delivery The following are delivered with the appliance: - 4 adjustable feet - 1 appliance cover Safety - 2 side panels Only a qualified contractor should carry out installation, commis- - 1 front panel sioning, maintenance and repair of the appliance. - 8 screws - 4 washers General safety instructions...
iNSTaLLaTiON Preparations Preparations WPL 08 S Trend | WPL 12 S Trend | WPL 16 S Trend The appliance is designed for siting in front of a wall. Observe the minimum clearances. If the appliance is installed in an open space or on a roof, protect the air intake side. Do this by erecting a wall to shield it against the wind.
iNSTaLLaTiON Preparations Example: Strip foundation Note Installation in corners of buildings or areas surround- ed by walls can lead to elevated noise levels and severe evaporator contamination. f Never install the appliance in a recess. Two sides of the appliance must remain exposed. Preparation of the installation site 8.3.1 General information 1 Air intake side...
FEK / FE7 in the case of systems (single phase) 4.0 mm² for routing through a wall without buffer cylinder“. WPL 08 S Trend WPL 12 S Trend WPL 16 S Trend Material losses 3x C 16 A Compressor 2.5 mm²...
Minimum clearances: Material losses - WPL 08 S Trend | WPL 12 S Trend | WPL 16 S Trend: Residue and particles (e.g. weld beads, rust, sand, gasket 500 mm material) in the heating system will obstruct the flow and - WPL 22 Trend | WPL 28 Trend: 600 mm...
iNSTaLLaTiON installation Filling the heating system 9.3.1 Flow and return connection f Fill the heating system via the drain on the system side. Material losses f Insulate the heating flow and return lines with va- 9.5.1 Water quality pour diffusion-proof material. A fill water analysis must be carried out before the heating system is filled.
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Lead room Number of cir- floor area cuits floor area cuits m² n x m m² n x m WPL 08 S Trend 4x80 2x90 WPL 12 S Trend 1190 3x70 WPL 16 S Trend 1550 WPL 22 Trend 2230...
iNSTaLLaTiON installation Condensate drain Power supply A condensate drain connector is factory fitted to the defrost pan WARNING Electrocution to enable any condensate to drain off. Before working on the appliance, isolate it from the power supply at the control panel. Note Observe the operating and installation instructions of the WPM heat pump manager.
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iNSTaLLaTiON installation Note The appliance communication circuits are not designed for constant 12 V. f Make sure that the four cables are connected to the correspondingly marked terminals on the circuit board. Note f Remove the sheath insulation from the bus cable either at the outdoor or indoor unit.
iNSTaLLaTiON installation 9.10 Fitting the side panels and appliance cover Note f Align the appliance before installing the side panels. f Make sure that the appliance slope in the transverse and lengthwise directions does not exceed 1 %. Note f Secure the side panels and appliance cover by hand. WPL 08 S Trend | WPL 12 S Trend | WPL 16 S Trend | WPL 08-28 (S) Trend www.stiebel-eltron.com...
iNSTaLLaTiON installation 9.11 Ribbon heater If the condensate drain cannot be laid with frost protection or is exposed to severe weather conditions, a ribbon heater may be installed in the condensate drain. f Push the connection side of the heating cable through the prepared cable entry on the back of the unit.
iNSTaLLaTiON Commissioning Oil sump temperature - When the power supply is switched on, the heat pump man- ager checks whether the temperature differential between the outdoor temperature and the oil sump temperature is greater than 10 K (see “INFO / HEAT PUMP / PROCESS DATA / OIL SUMP TEMPERATURE”).
iNSTaLLaTiON maintenance 11. Maintenance When everything has been implemented correctly, the system can be heated to its maximum operating temperature and vented once again. WARNING Electrocution The heat pump contains 'live' components. The capacitor Material losses must be discharged after the power has been shut off. With underfloor heating systems, observe the maximum f Isolate the system from the power supply.
iNSTaLLaTiON maintenance 11.1 Cleaning the evaporator Measurements from temperature sensors The following actual values apply for temperature sensors that Remove any dust or soil present on the evaporator or on the al- are built in or connected: uminium fins. Sensors TC0, TL2, TR4, TR5 Material losses The thin aluminium fins are easily damaged.
Specification 12. Specification 12.1 Dimensions and connections WPL 08 S Trend | WPL 12 S Trend | WPL 16 S Trend WPL 08 S Trend WPL 12 S Trend WPL 16 S Trend Entry electrical cables Condensate drain Diameter Heating flow Male thread...
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iNSTaLLaTiON Specification WPL 22 Trend | WPL 28 Trend 1112 WPL 22 Trend WPL 28 Trend Entry electrical cables Condensate drain Diameter Heating flow Male thread G 1 A G 1 A Heating return Male thread G 1 A G 1 A Air intake Air discharge www.stiebel-eltron.com...
12.3 Operating range w/o electric emergency/booster heater T1 / °C T2 / °C T1 Max. flow temperature T2 Outside temperature 12.4 Performance diagram WPL 08 S Trend X Outside temperature [°C] Y Heating output [kW] 1 max. W55 2 max. W45 3 max.
The power consumption of the integral auxiliary drives is included in the output details of the heat pump (to EN 14511). WPL 08 S Trend WPL 12 S Trend WPL 16 S Trend WPL 22 Trend WPL 28 Trend 233871...
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Specification WPL 08 S Trend WPL 12 S Trend WPL 16 S Trend WPL 22 Trend WPL 28 Trend Water quality requirements Water hardness °dH ≤3 ≤3 ≤3 ≤3 ≤3 pH value (with aluminium compounds) 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5...
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GUARANTEE | ENVIRONMENT AND RECYCLING Guarantee The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries. Such guarantee is only grant- ed if the subsidiary has issued its own terms of guarantee.
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