background image

OPERATION AND INSTALLATION

Air | water heat pump

 

» WPL 19 I

 

» WPL 19 IK

 

» WPL 19 A

 

» WPL 24 I

 

» WPL 24 IK

 

» WPL 24 A

Summary of Contents for WPL 19 A

Page 1: ...OPERATION AND INSTALLATION Air water heat pump WPL 19 I WPL 19 IK WPL 19 A WPL 24 I WPL 24 IK WPL 24 A ...

Page 2: ...sing parts 19 10 8 Fitting the air hoses 19 11 WPL 19 IK WPL 24 IK 21 11 1 Safety 21 11 2 Preparations 21 11 3 Installation 23 11 4 Power supply 26 11 5 Closing the function module 27 11 6 Sealing the appliance 28 11 7 Fitting casing parts 28 11 8 Connecting the air hoses 28 12 WPL 19 A WPL 24 A 29 12 1 Preparations 29 12 2 Installation 31 12 3 Power supply 35 12 4 Fitting casing parts 37 13 Commi...

Page 3: ...is because the capacitors on the inverter still have to discharge Never interrupt the heat pump power supply even outside of the heating season Otherwise system frost protection is not guaranteed The heat pump manager automatically switches the heat pump to summer or winter mode If the heat pump is completely switched off and there is a risk of frost drain the system on the water side OPERATION 1 ...

Page 4: ...e system and the flow rates Confirmation of the specified output data can only be obtained if the test conducted for this purpose is also performed in ac cordance with the test conditions defined in the first paragraph of this section 2 Safety 2 1 Intended use The appliance is designed for central heating within the applica tion limits listed in the specification The appliance is intended for dome...

Page 5: ...pensated return temperature controller WPM heat pump manager 3 3 Function Heat is extracted from the outdoor air via the heat exchanger evaporator on the air side The refrigerant evaporates and is compressed by a compressor This process requires electrical energy The refrigerant is then at a higher temperature level and transfers the heat extracted from the air to the heating system via an addi ti...

Page 6: ...y in the air is high They may for ex ample be used for drying laundry Ensure that the room is ade quately ventilated and dehumid ified If necessary hang your laundry in a different room Use a vented tumble dryer Please note that condenser tum ble dryers do not reduce the level of humidity in the air The air hoses are incor rectly fitted or poorly sealed Cold air is escaping Check that the air hose...

Page 7: ...L 19 I WPL 24 I Type plate Casing parts for indoor installation Front panel Back panel Side casing Cover indoor installation Connection accessories Connecting hoses 8 1 2 WPL 19 IK WPL 24 IK Type plate Compact function module WPIC 3 Casing parts for indoor installation Front panel Back panel Side casing Connection accessories Connecting hoses 8 1 3 WPL 19 A WPL 24 A Type plate Casing parts for out...

Page 8: ... is in full contact with the substrate Uneven substrates can increase sound emissions f f Never install the appliance directly below or next to a living room or bedroom f f Never direct the air intake and discharge apertures in exter nal walls towards neighbouring windows or living rooms bedrooms f f Protect pipe outlets through walls and ceilings with anti vi bration insulation 10 2 2 Minimum cle...

Page 9: ... air intake and discharge apertures as well as the outlets for hydraulic lines and power cables see chapter Specifica tion Dimensions and connections 10 2 4 Wall outlet f f To route through the wall use our wall outlet see the chap ter Appliance description Other accessories AWG 560 H Through an exterior wall to the outdoors with a horizontal wall outlet 510 340 725 290 422 D0000017268 430 465 830...

Page 10: ...L Through a cellar wall into a shaft with a wall outlet 649 647 95 260 400 525 592 646 550 D0000017272 600 635 600 635 D0000022332 Air routing without a duct Through an outside wall Through two outside walls around a corner 300 300 500 1750 1750 3000 1119 742 2160 2160 D0000019251 ...

Page 11: ... from the power supply by an isolator that disconnects all poles with at least 3 mm contact separation This requirement can be met by using contactors circuit breakers fuses MCBs etc Note The specified voltage must match the mains voltage f f Observe the type plate f f For wiring use cable with the relevant cross sections Ob serve the applicable national and regional regulations MCB fuse rating As...

Page 12: ...must only be for a short time and it must only be titled on one of its longitudinal sides When transporting the appliance en sure the compressor is on the upper appliance side The longer the appliance is tilted the greater the distribution of refrigerant oil inside the system f f Wait approximately 30 minutes before starting the appliance after it has been tilted 10 3 2 Siting Note Two screws are ...

Page 13: ...c tion Simply turning the screw cap by hand will secure the pipe in the connector and push the O ring against the pipe to seal it Making the push fit connection The connector must be in its relaxed position before the pipe is inserted In this position there is a small gap between the screw cap and main body 26_03_01_0693 3 1 2 4 1 Retainer 2 Screw cap 3 Gap between screw cap and main body 4 Main b...

Page 14: ...irect coil of the DHW cylinder on buffer cylinders steel radiators or steel pipes f f With heating systems that are permeable to oxygen separate the heating system between the heating circuit and the buff er cylinder Material losses The products of corrosion e g rusty sludge can set tle in the heating system components which may re sult in a lower output or fault shutdowns due to reduced cross sec...

Page 15: ...ATING CIRC PUMP RATE so that the nominal flow rate required for system operation is assured see chapter Speci fication Data table If the appliance is operated on its own with a WPM f f Set the heating circuit pump so that the nominal flow rate required for system operation is assured The current flow rate can be viewed in menu INFO HEAT PUMP INFO PROCESS DATA under WP WATER FLOW RATE Note The tabl...

Page 16: ...least 6 l min Condensate drain towards the left 26_03_01_0956 1 1 Knock out condensate drain outlet f f Use pliers to remove the knock out condensate drain outlet from the left hand side panel f f Route the condensate drain hose to the left and out of the appliance f f Route the condensate into a drain Condensate drain towards the left If a bottom drain is provided you can drain the condensate dow...

Page 17: ...here are cable clamps that you can use for routing the electric cables D0000071291 f f Route the electric cables as shown in the illustration 10 5 2 Heat pump connection Terminal assignment f f Connect the cables in line with the following diagrams f f Then check that the strain relief fittings are working as intended f f Put the sheath on the earth clip D0000059492 1 1 Earth clip X2 Low voltage b...

Page 18: ...ring the defrost cycle When the heat up program has ended the electric emergency booster heater can be disconnected if it is not required for the appliance operation Please note that during the heat up program emergen cy mode is not available Pasteurisation con trol The electric emergency booster heater starts automat ically when pasteurisation control is active in order to regularly heat the DHW ...

Page 19: ...he air hoses are installed f f For the blower door test seal off the heat pump supply air and extract air ducts Note Air hoses guide the intake air to the appliance and route the discharge air from the appliance outdoors They are highly flexible thermally insulated and self extinguishing in case of fire Note If the air hoses are shortened the sound power level at the air inlet outlet rises The air...

Page 20: ...rovided D0000070819 f f With the sound optimised hoses LSWP 560 4 S pull the sheet over the connector D0000070820 f f With the sound optimised hoses LSWP 560 4 S seal the sheet to the connector using the fabric tape provided D0000070821 f f Place the sealing strip provided around the connector D0000070822 f f Pull the outer hose over the connector D0000070824 f f Secure the hose using the oval hos...

Page 21: ...direct the air intake and discharge apertures in exter nal walls towards neighbouring windows or living rooms bedrooms f f Protect pipe outlets through walls and ceilings with anti vi bration insulation 11 2 2 Minimum clearances 500 500 500 1000 300 D0000022102 f f Maintain the minimum clearances to ensure trouble free op eration of the appliance and facilitate maintenance work 11 2 3 Preparing th...

Page 22: ... specified voltage must match the mains voltage f f Observe the type plate f f For wiring use cable with the relevant cross sections Ob serve the applicable national and regional regulations MCB fuse rating Assignment Cable cross section 16 A 2 5 mm 1 5 mm for only two live wires and rout ing on a wall or in an electrical conduit on a wall 3x C 16 A Compressor 3 phase 2 5 mm 3x B 16 A Electric eme...

Page 23: ... 4 Heating water connection Material losses The heating system to which the heat pump is connected must be installed by a qualified contractor in accordance with the water installation drawings that are part of the technical guides f f Before connecting the heat pump flush the pipework thor oughly with suitable water Foreign bodies such as welding pearls rust sand or sealant can impair the operati...

Page 24: ... system check the connections for leaks 11 3 8 Venting the heating system f f Vent the pipework carefully D0000068607 1 1 Air vent valve f f Vent the heat pump via the air vent valve 11 3 9 Minimum flow rate You can set the flow rate in heat pump mode In order to do this firstly make the following settings f f Temporarily remove the fuse from the electric emergency booster heater to isolate the em...

Page 25: ... is guaranteed in all operating points see the chapter Specification Data table in the heat pump operating and installation instructions 11 3 11Condensate drain A condensate drain hose is fitted to the defrost pan to enable the condensate to drain off The condensate drain hose is delivered inside the refrigeration unit You can route the condensate drain hose to the left through the knock out conde...

Page 26: ...gh flow temperatures in the underfloor heating system causing damage in the event of a fault we always recommend using a high limit safety cut out to limit the system temperature 11 3 14Fitting the thermal insulation f f Follow the operating and installation instructions of function module WPM 3 11 4 Power supply WARNING Electrocution Before working on the appliance isolate it from the power suppl...

Page 27: ...he electric emer gency booster heater safeguards both the heating oper ation and the provision of high DHW temperatures Emergency mode Should the heat pump suffer a fault that prevents its continued operation the heating output will be covered by the electric emergency booster heater Heat up program only for underfloor heating systems Where return temperatures are 25 C the electric emergency boost...

Page 28: ...e appliance D0000068612 f f Remove the backing from the adhesive strips on the frame and on the plastic screen f f Secure the plastic screen by pressing it onto the standard appliance f f Seal the gaps around the hooks with fabric tape 11 7 Fitting casing parts D0000068672 1 4 3 2 1 Back panel 2 Side panel 3 Front panel 4 Side panel f f Hook the side panels front panel and back panel into the hook...

Page 29: ...e op eration of the appliance and facilitate maintenance work 91_00_00_0036 f f Never install the appliance in a recess Two sides of the ap pliance must remain exposed f f In order to prevent air short circuits maintain the minimum clearances in the case of surrounding structures and in par ticular in the case of cascades Maintain the flow rate on the heat source side see chapter Specification dat...

Page 30: ...8 Electrical cables leads Observe the following information Also protect all supply lines cables against humidity damage and UV radiation by means of a conduit Allow the conduits for the supply lines to protrude slightly above the foundations Ensure that no water can enter the conduits To facilitate connection to the appliance we recommend using flexible supply pipes cables in the case of outdoor ...

Page 31: ...e provided they have to be type B AC DC sensitive A DC residual current can block type A RCDs f f Ensure that the appliance power supply is discon nected from the distribution board 12 1 5 Buffer cylinder The installation of a buffer cylinder is essential to ensure trou ble free operation of the appliance The buffer cylinder provides hydraulic separation of the volume flows in the heat pump circui...

Page 32: ...re 12 2 3 Fitting the cover 26_03_01_1738 1 2 3 1 Bevelled edge 2 Control panel 3 Screw Material losses The cover protects the PCB from water ingress f f Install the cover with the drip edge above the PCB f f Place the cover on the appliance and secure with two screws 12 2 4 Flow and return connection D0000071223 f f Route the pressure hoses elbow first through the Heating flow and Heating return ...

Page 33: ...t ing systems with plastic pipes which are permeable to oxygen In underfloor heating systems with plastic pipes that are per meable to oxygen and in open vented heating systems oxygen diffusion may lead to corrosion on the steel components of the heating system e g on the indirect coil of the DHW cylinder on buffer cylinders steel radiators or steel pipes f f With heating systems that are permeabl...

Page 34: ...tegral cylinder f f In menu COMMISSIONING HEATING set parameter HEATING CIRC PUMP RATE so that the nominal flow rate required for system operation is assured see chapter Speci fication Data table If the appliance is operated on its own with a WPM f f Set the heating circuit pump so that the nominal flow rate required for system operation is assured The current flow rate can be viewed in menu INFO ...

Page 35: ...n hose check that the condensate can drain correctly Proceed as follows f f Pour water onto the evaporator which will then flow into the defrost pan Observe the maximum condensate drain capac ity of 6 l min f f Check whether the water is draining off through the conden sate drain hose 12 2 14High limit safety cut out for underfloor heating systems Material losses In order to prevent excessively hi...

Page 36: ...he earth clip D0000059492 1 1 Earth clip X2 Low voltage bus H Bus high L BUS Low Bus earth bus X3 Heat pump power supply WP L1 L2 L3 N PE X4 Control unit Steuerung ON Compressor output signal ERR Output signal fault L N PE Power supply X5 Electric emergency booster heater power supply DHC L1 L2 L3 N PE X7 Connection for ribbon heater L N PE Note As soon as the compressor is running the ON output i...

Page 37: ...no longer be guar anteed during the defrost cycle When the heat up program has ended the electric emergency booster heater can be disconnected if it is not required for the appliance operation Please note that during the heat up program emergen cy mode is not available Pasteurisation con trol The electric emergency booster heater starts automat ically when pasteurisation control is active in order...

Page 38: ...e heat pump manager operating and installation instructions 13 3 Settings The efficiency of a heat pump decreases as the flow temperature rises Adjust the heating curve carefully Heating curves that are set too high cause the zone valves or thermostatic valves to close which may lead to the minimum flow rate required for the heating circuit not being achieved f f Observe the WPM operating and inst...

Page 39: ...n 14 2 Power interruption If the system is to be isolated from the power supply permanently please observe the following Material losses If the heat pump is completely switched off and there is a risk of frost drain the system on the water side 15 Appliance handover Explain the appliance function to users and familiarise them with its operation Note Hand over these operating and installation instr...

Page 40: ...orrectly DIP switch BA The heat pump operating mode is set using the DIP switch BA f f Check whether the DIP switch is set correctly BA ON 1 2 3 4 D0000057052 16 2 Light emitting diodes LEDs Red LED left Faults indicated by the LED High pressure fault Low pressure fault Central fault Hardware fault on the IWS see fault list heat pump manager operating and installation instructions Fault Cause Reme...

Page 41: ...ve the information in the WPM operating and installation instructions and pa rameter START DEFROST in menu COMMISSIONING COMPRESSOR f f At outside temperatures above 1 C shut down the appli ance or switch it over to emergency mode for approx 1 hour After this the ice should have melted f f Check that the appliance is installed in line with installation conditions f f If the noises occur frequently...

Page 42: ...e pan f f Clean out the front section of the condensate pan f f Check the hose and the condensate drain pipe and remove all contaminants and blockages f f When installed indoors carefully re affix the foil to the appli ance frame f f Put the casing parts back on the appliance see chapter Fitting casing parts in the section for the respective heat pump ...

Page 43: ...ation 18 1 Dimensions and connections WPL 19 I WPL 24 I 158 619 133 233 442 195 1240 1260 800 g01 g02 b01 e01 e02 d44 d44 d44 D0000016755 b01 Cable entry d44 Condensate drain outlet e01 Heating flow Diameter mm 28 e02 Heating return Diameter mm 28 g01 Air intake g02 Air discharge ...

Page 44: ...0 310 255 180 120 470 50 400 50 b01 1365 c11 g02 g01 e01 e02 e22 e23 300 500 300 500 D0000016719 b01 Cable entry c11 Safety assembly e01 Heating flow Male thread G 1 1 4 e02 Heating return Male thread G 1 1 4 e22 Cylinder flow Male thread G 1 1 4 e23 Cylinder return Male thread G 1 1 4 g01 Air intake g02 Air discharge ...

Page 45: ...Installation Specification www stiebel eltron com WPL 19 WPL 24 45 WPL 19 A WPL 24 A g01 g02 i21 i21 D0000016756 g01 Air intake g02 Air discharge i21 Entry supply line ...

Page 46: ... compressor A4 Filter assembly A5 DC assembly B1 Heating flow temperature sensor KTY B2 Heating return temperature sensor KTY B5 Hot gas temperature sensor PT1000 B6 Outdoor air temperature sensor PT1000 B7 Compressor intake temperature sensor PT1000 B8 Evaporator discharge temperature sensor PT1000 B9 Frost protection temperature sensor KTY B10 Injection temperature sensor PT1000 B11 Exhaust air ...

Page 47: ...l distribution terminal X2 External bus terminal X3 External mains terminal X4 External control unit terminal X5 External DHC terminal X6 4 pole terminal X7 3 pole terminal X8 2 pole terminal X23 Earth terminal 6 pole X27 Earthing screw compressor cable X28 Earth clip compressor cable screen X29 12 pole IWS connector control unit X30 3 pole IWS connector bus X33 5 pole IWS connector el Expansion v...

Page 48: ...iverter valve relay K11 Relay for constant pump operation M2 Pump motor M3 Motorised diverter valve X1 6 pole screw type plug in terminal strip X2 LV terminal X3 Heat pump control unit connector X4 Control unit terminals X5 Heat pump bus connector X10 DCF female connector X11 Temperature sensor female connector X12 Heat source temperature female connector X13 Mixer circuit temperature female conne...

Page 49: ...L 19 IK WPL 19 A Heating output 0 5 10 15 20 20 15 10 5 0 5 10 15 20 1 2 3 4 D0000067531 X Outside temperature C Y Heating output kW 1 max W55 2 max W35 3 min W55 4 min W35 DHW output 0 2 4 6 8 10 12 14 16 20 10 0 10 20 30 40 1 4 D0000067531 X Outside temperature C Y DHW output kW 1 max W55 4 min W55 ...

Page 50: ...L 24 IK WPL 24 A Heating output 0 5 10 15 20 20 15 10 5 0 5 10 15 20 1 2 3 4 D0000064861 X Outside temperature C Y Heating output kW 1 max W55 2 max W35 3 min W55 4 min W35 DHW output 0 2 4 6 8 10 12 14 16 20 10 0 10 20 30 40 1 4 D0000064861 X Outside temperature C Y DHW output kW 1 max W55 4 min W55 ...

Page 51: ... 40 11 40 11 40 11 40 Max heating output in silent mode at A 7 W35 kW 8 29 8 29 8 29 8 29 8 38 8 38 8 38 8 38 Max heating output in silent mode at A 7 W55 kW 8 79 8 79 8 79 8 79 8 88 8 88 8 88 8 88 Power consumption Power consumption at A20 W35 EN 14511 kW 1 21 1 21 1 21 1 21 1 21 1 21 1 21 1 21 Power consumption at A20 W55 EN 14511 kW 2 22 2 22 2 22 2 22 2 21 2 21 2 21 2 21 Power consumption at A...

Page 52: ...r phases 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE Compressor phases 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE 3 N PE Rated voltage compressor V 400 400 400 400 400 400 400 400 Rated voltage emergency booster heater V 400 400 400 400 400 400 400 400 Rated voltage control unit V 230 230 230 230 230 230 230 230 Max operating current A 12 12 12 12 12 12 12 12 Max phase angle cos ...

Page 53: ...Conductivity desalination μS cm 20 100 20 100 20 100 20 100 20 100 20 100 20 100 20 100 Oxygen 8 12 weeks after filling softening mg l 0 02 0 02 0 02 0 02 0 02 0 02 0 02 0 02 Oxygen 8 12 weeks after filling desalination mg l 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Values Heating flow rate EN 14511 for A7 W35 B0 W35 and 5 k m h 1 17 1 17 1 17 1 17 1 25 1 25 1 25 1 25 Nominal heating flow rate for A 7 W35 a...

Page 54: ...y those subsidiaries Such guarantee is only grant ed if the subsidiary has issued its own terms of guarantee No other guarantee will be granted We shall not provide any guarantee for appliances acquired in countries where we have no subsidiary to sell our products This will not affect warranties issued by any importers Environment and recycling We would ask you to help protect the environment Afte...

Page 55: ...www stiebel eltron com WPL 19 WPL 24 55 NOTES ...

Page 56: ...w stiebel eltron cz Finland STIEBEL ELTRON OY Kapinakuja 1 04600 Mäntsälä Tel 020 720 9988 info stiebel eltron fi www stiebel eltron fi France STIEBEL ELTRON SAS 7 9 rue des Selliers B P 85107 57073 Metz Cédex 3 Tel 0387 7438 88 Fax 0387 7468 26 info stiebel eltron fr www stiebel eltron fr Hungary STIEBEL ELTRON Kft Gyár u 2 2040 Budaörs Tel 01 250 6055 Fax 01 368 8097 info stiebel eltron hu www s...

Reviews: