STIEBEL ELTRON WPF 20 Operation And Installation Manual
Brine/water heat pumps
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- Operation and installation (44 pages) ,
- Operation and installation (40 pages)
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Summary of Contents for STIEBEL ELTRON WPF 20
- Page 1 OPERATION AND INSTALLATION BRINE/WATER HEAT PUMPS » WPF 20 » WPF 27 » WPF 40 » WPF 52 » WPF 66...
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Page 2: Table Of Contents
Troubleshooting_______________________________________________ 17 Specification ___________________________________________________ 19 12.1 Standard control ___________________________________________________ 19 12.2 Wiring diagrams ___________________________________________________ 20 12.4 Output diagrams ____________________________________________ 24 Commissioning report ________________________________________ 29 GUARANTEE____________________________________________ 35 ENVIRONMENT AND RECYCLING ______________________ 35 2 | WPF 20/27/40/52/66 2 | WPF 20/27/40/52/66 www.stiebel-eltron.com www.stiebel-eltron.com... -
Page 3: Operation
The heat source medium (brine) enters the heat pump evaporator. by qualified Stiebel Eltron customer service engineers. There, heat is extracted from the medium, so it exits the heat pump at a lower temperature. -
Page 4: Installation
TA-Lärm: Techn. noise protection regulations [Germany]. EnEV: Energy Savings Order [Germany] The CE designation shows that the device meets all the essential requirements: The rating plate is located at the back of the heat pump. 4 | WPF 20/27/40/52/66 www.stiebel-eltron.com... -
Page 5: Device Description
11 Fill & drain valve (brine) High pressure limiter 12 Phase monitoring relay Low pressure sensor 13 Electrical terminals Motor protection switch (only for WPF 52 and 66) 14 Starting current limiter Filter dryer 15 High pressure sensor Expansion valve www.stiebel-eltron.com WPF 20/27/40/52/66 | 5... -
Page 6: Standard Delivery
Maintain the following minimum clearances to adjacent surfaces: — to the sides 300 mm — in front 1500 mm — upwards 100 mm — The clearance to the back is subject to the installation and installation location. 6 | WPF 20/27/40/52/66 www.stiebel-eltron.com... - Page 7 INSTALLATION INSTALLATION Dimensions Plinth for internal installation Foundation for external installation Concrete ceiling Impact sound insulation Floating screed Recess www.stiebel-eltron.com WPF 20/27/40/52/66 | 7...
- Page 8 INSTALLATION INSTALLATION Water and brine connection Heating flow Heating return Brine flow Brine return 8 | WPF 20/27/40/52/66 www.stiebel-eltron.com...
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Page 9: Installation Of The Heat Pump System
Design the heat source system for the brine/water heat pump in Determine the density of the ethylene glycol water mixture (e.g. accordance with Stiebel Eltron technical guides. with an hydrometer). Using the density and temperature, the current level of concentration can be checked in the diagram (see Permitted brine: Fig. -
Page 10: Installation Of The Heat Consumer System
The integral frost protection control (inside the heat pump), that automatically starts the circulation pump in the heat pump circuit at + 8 °C and thereby safeguards circulation in all water-bearing components, offers additional frost protection. The heat pump is 10 | WPF 20/27/40/52/66 www.stiebel-eltron.com... - Page 11 Note: An awareness of the hardness in accordance with the Detergent Act [Germany] is insufficient. Decisive for scaling is the concentration of calcium hydrogen carbonate; relevant detailscan be supplied by your water supply utility. www.stiebel-eltron.com WPF 20/27/40/52/66 | 11...
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Page 12: Fitting The Casing Parts
Position the covers 2 and secure each with two screws to the sides. Fitting the side covers » Fix the guard plate 1 with four screws. The both in the front with the toothed locked washer. » Secure the control panel frame 2 with five screws. 12 | WPF 20/27/40/52/66 www.stiebel-eltron.com... -
Page 13: Removing The Casing Parts
Hook the bottom of the front panel into the control panel frame, » pivot it towards the frame and secure with one screw on each side. Removing the casing parts The casing parts are removed in reverse order. www.stiebel-eltron.com WPF 20/27/40/52/66 | 13... -
Page 14: Power Supply
In case of external installation, use only weather-proof connecting cables to VDE 0100 [or local regulations]. As a minimum requirement, use cables with rubber sheathing with the identification 60245 IEC 57. Route all lines inside a conduit (protective pipe). 14 | WPF 20/27/40/52/66 www.stiebel-eltron.com... - Page 15 INSTALLATION POWER SUPPLY Power supply WPF 20, WPF 27, WPF 40, WPF 52, WPF 66 3/N/PE WPM II 3/N/PE ~230V 50Hz ~400V 50Hz BUS / Fühler ~400V 50Hz LV terminal Power supply BUS High Heat pump (compressor) BUS Low L1, L2, L3, N, PE...
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Page 16: Commissioning
Risk of damage! A permanently set overcurrent circuit breaker is installed inside the Observe the maximum system temperature in compressor of the WPF 20, 27 and 40. underfloor heating systems. Operation and control A WPM II heat pump manager is required to operate the heat pump. -
Page 17: Troubleshooting
X2/4 and 5. Insert the sensor into the sensor well at the heating circuit return (see Fig. A). The operating mode is indicated by the r.h. green LED. 17 | WPF 20/27/40/52/66 www.stiebel-eltron.com... - Page 18 WPF, if the control unit is replaced, otherwise the unit is initialised at the factory. Green r.h. LED: Illuminates steady if STAND-ALONE operation has been selected. Reset button In case of incorrect initialisation, see chapter 5.4.1 in the operating and installation instructions of the WPM II. www.stiebel-eltron.com WPF 20/27/40/52/66 | 18...
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Page 19: Specification
INSTALLATION TROUBLESHOOTING 12 Specification 12.1 Standard control Power connection diagram for heat pumps WPF 20 / 27 / 40 / 52 / 66 with heat pump manager WPM II Supply from the 3x1.5 mm domestic meter Time switch for power-OFF periods... -
Page 20: Wiring Diagrams
INSTALLATION SPECIFICATION 12.2 Wiring diagrams Wiring diagram for heat pump WPF 20 / 27 www.stiebel-eltron.com WPF 20/27/40/52/66 | 20... - Page 21 INSTALLATION SPECIFICATION Wiring diagram for heat pump WPF 40 www.stiebel-eltron.com WPF 20/27/40/52/66 | 21...
- Page 22 INSTALLATION SPECIFICATION Wiring diagram for heat pump WPF 52 / 66 22 | WPF 20/27/40/52/66 www.stiebel-eltron.com...
- Page 23 At B0/W35 Values refer to straight lines. Bends, valves, heat meters etc. must also be taken into account. Maintain the minimum cross-sections to ensure the equipment safety. At B20/W60 At B10/W50 to DIN EN 14511 23 | WPF 20/27/40/52/66 www.stiebel-eltron.com...
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Page 24: Output Diagrams
INSTALLATION SPECIFICATION 12.4 Output diagrams Output diagram WPF 20 Ethylene glycol/water mixture with 33 Vol. by % ethylene glycol [kW] 35°C flow temperature 35°C Vorlauftemperatur 45°C flow temperature 45°C Vorlauftemperatur 55°C flow temperature 55°C Vorlauftemperatur Heat source temperature [°C] Heat source temperature [°C] www.stiebel-eltron.com... - Page 25 Output diagram WPF 27 Ethylene glycol/water mixture with 33 Vol. by % ethylene glycol [kW] 35°C flow temperature 35°C Vorlauftemperatur 45°C Vorlauftemperatur 45°C flow temperature 55°C Vorlauftemperatur 55°C flow temperature Heat source temperature [°C] Heat source temperature [°C] www.stiebel-eltron.com WPF 20/27/40/52/66 | 25...
- Page 26 Output diagram WPF 40 Ethylene glycol/water mixture with 33 Vol. by % ethylene glycol [kW] 35°C flow temperature 35°C Vorlauftemperatur 45°C flow temperature 45°C Vorlauftemperatur 55°C Vorlauftemperatur 55°C flow temperature Heat source temperature [°C] Heat source temperature [°C] 26 | WPF 20/27/40/52/66 www.stiebel-eltron.com...
- Page 27 Output diagram WPF 52 Ethylene glycol/water mixture with 33 Vol. by % ethylene glycol [kW] 35°C Vorlauftemperatur 35°C flow temperature 45°C flow temperature 45°C Vorlauftemperatur 55°C flow temperature 55°C Vorlauftemperatur Heat source temperature [°C] Heat source temperature [°C] www.stiebel-eltron.com WPF 20/27/40/52/66 | 27...
- Page 28 Output diagram WPF 66 Ethylene glycol/water mixture with 33 Vol. by % ethylene glycol [kW] 35°C flow temperature 35°C Vorlauftemperatur 45°C Vorlauftemperatur 45°C flow temperature 55°C Vorlauftemperatur 55°C flow temperature Heat source temperature [°C] Heat source temperature [°C] 28 | WPF 20/27/40/52/66 www.stiebel-eltron.com...
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Page 29: Commissioning Report
INSTALLATION COMMISSIONING REPORT 13 Commissioning report www.stiebel-eltron.com WPF 20/27/40/52/66 | 29... - Page 30 INSTALLATION COMMISSIONING REPORT 30 | WPF 20/27/40/52/66 www.stiebel-eltron.com...
- Page 31 INSTALLATION COMMISSIONING REPORT www.stiebel-eltron.com WPF 20/27/40/52/66 | 31...
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Page 32: Guarantee
GUARANTEE ENVIRONMENT AND RECYCLING 32 | WPF 20/27/40/52/66 www.stiebel-eltron.com... - Page 33 INSTALLATION NOTES www.stiebel-eltron.com WPF 20/27/40/52/66 | 33...
- Page 34 INSTALLATION NOTES 34 | WPF 20/27/40/52/66 34 | WPF 20/27/40/52/66 www.stiebel-eltron.com www.stiebel-eltron.com...
- Page 35 INSTALLATION NOTES www.stiebel-eltron.com WPF 20/27/40/52/66 | 35...
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