STIEBEL ELTRON WPL 15 IKS-2 Operation And Installation Download Page 13

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OPEraTION

Settings

www.stiebel-eltron.com

WPL 15 IKS | WPL 25 IK |

TEmPEraTUrES

meaning

OUTSIDE

Outside temperature

ACT ROOM T FE7

Actual room temperature for heating circuit 1 (HC1) or heating circuit 2 (HC2)

(will only be displayed if the FE 7 remote control is connected)

SET ROOM T FE7

Set room temperature for heating circuit 1 or heating circuit 2

(will only be displayed if the FE 7 remote control is connected)

REL HUMIDITY

Relative humidity (will only be displayed if the FEK remote control is connected)

DEW POINT TEMP

Dew point temperature (will only be displayed if the FEK remote control is connected)

ACTUAL DHW T

Actual DHW temperature

SET DHW TEMP

Set DHW temperature

ACTUAL RTRN T

Actual heat pump return temperature for heating circuit 1

ACT HP FLOW T

Actual heat pump flow temperature

ACT NGT FLOW T

Flow temperature of electric emergency/booster heater

HTG CIRC ACT T

Actual heating circuit temperature for heating circuit 1

HTG CIRC SET T

Set heating circuit temperature for heating circuit 1 (HC1). Fixed temperature is displayed with set value control.

ACTUAL MIXER T

Actual mixer flow temperature for heating circuit 2

SET MIXER TEMP

Set mixer flow temperature for heating circuit 2

ACT BUFFER T

Actual buffer temperature

FIXED FLOW T

Set fixed temperature for heating circuit 1

SET BUFFER T

Set buffer temperature (Highest set value of heating circuits H1 and H2. Fixed temperature will be displayed for fixed temperature

control.)

DUAL-MODE HTG

Dual-mode point - central heating

DUAL-MODE DHW

Dual-mode point - DHW

SYST FROST PRO

System frost protection temperature

HEATING PRES

ACT VOLUME

Current flow rate [l/min]

MAX VOLUME

Flow rate for monitoring the defrost process [l/min]

STATUS HP 1

Status signal for "HP operation" and "HP fault"

STATUS HP 2

Status signal for "HP compressor�ON" and "defrost mode"

ST HP OPERATN

Heat pump operation ON/OFF

ST HP COMP

Compressor ON/OFF

ST HP FAULT

Refrigerant circuit fault ON/OFF (ON= fault, OFF = no fault)

ST HP DEFROST

Defrost mode ON/OFF

OUTPUT HP

Controller output signal for heat pump output control

INT PUMP RATE

Circulation pump output

HEAT AMOU DAY

Amount of compressor heat generated in heating mode since 0:00 h today.

TTL HEAT AMOU

Total amount of compressor heat generated in heating mode.

HEAT AMOU DAY

Amount of compressor heat generated in DHW mode since 0:00 h today.

TTL HEAT AMOU

Total amount of compressor heat generated in DHW mode.

TTL HEAT AMOU

Total amount of heat generated by the electric booster heater in heating mode.

TTL HEAT AMOU

Total amount of heat generated by electric reheating in DHW mode.

Summary of Contents for WPL 15 IKS-2

Page 1: ...OPERATION AND INSTALLATION Air water heat pump WPL 15 IKS 2 WPL 25 IK 2 ...

Page 2: ...9 Fitting the push fit connectors 33 11 Power supply 34 11 1 General 34 11 2 Electrical connection of internal unit 34 11 3 Electrical connection of external unit 37 11 4 Connection diagram WPL 15 IKS 2 38 11 5 Connection diagram WPL 25 IK 2 39 11 6 Sensor installation 40 11 7 Remote control FE 7 40 11 8 Remote control FEK 40 11 9 Internet Service Gateway ISG 41 11 10 Safety temperature controller...

Page 3: ...qualified contractor We recommend a regular inspection to establish the current condition of the system and main tenance by a qualified contractor if required to return the system to its original condition Following isolation from the mains supply parts of the appliance may remain live for up to 2 mi nutes since the capacitors still have to discharge into the inverter Never interrupt the power sup...

Page 4: ...mage Appliance disposal f f This symbol indicates that you have to do something The ac tion you need to take is described step by step 1 3 Units of measurement Note All measurements are given in mm unless stated other wise 1 4 Standardised output data Explanations to determine and interpret the specified standardised output data 1 4 1 EN 14511 The output data specifically mentioned in text diagram...

Page 5: ...t heat pump module and an external unit evaporator module These two units are connected by refrigerant lines The external unit is designed for external installation and extracts low grade heat from the ambient air The extracted energy together with the energy drawn by the vari able speed compressor is transferred to the heating water inside the internal unit The heating water then transfers the he...

Page 6: ... using area heating systems e g underfloor heating or wall heating systems For radiator heating systems size radiators to a maximum flow temperature of 45 C If the DHW cylinder needs to be heated to 60 C once a day to ensure pasteurisation activate parameter PASTEURISATION f f If you have any questions about pasteurisation please ask your contractor 4 Settings Operation is divided into three contr...

Page 7: ... that can be set under this menu item f f Press the programming key to adjust the displayed values f f You may only terminate the programming process once the programming indicator has gone out Terminating the programming process f f Close the control flap to terminate individual menu item entry and saving processes f f If you want to make further changes turn the rotary selector until the display...

Page 8: ...y booster heater provides DHW and room heating irres pective of the dual mode changeover point Fault message flashing This symbol indicates faults in the heat pump system f f Inform your contractor immediately Silent mode Reduced noise mode Silent mode is enabled The associated time programs determine activation of the fan or compressor throttle Note Silent mode has an effect on the heating output...

Page 9: ...ned Your heating contractor or our ser vice department can set the parameters at control level 3 which is protected by code All parameters must be checked by your contractor or our service department All selected values should be entered into the rele vant column system value in the commissioning report 4 5 Adjustments at control level 2 You can change the values under individual menu items if req...

Page 10: ...or is connected The actual room temperature can also be scanned as soon as the FE 7 or FEK remote control has been connected and allocated to heating circuit 2 ROOM T HC2 SET ROOM T DAY SET ROOM T DAY SET ROOM T NGT SET ROOM T NGT ACTUAL ROOM T ROOM T HC2 BACK 4 5 3 DHW temperature Under menu item DHW TEMP you can assign a set day and night value for the temperature in the DHW cylinder DHW TEMP SE...

Page 11: ...in setback mode and frost protection for DHW heating is enabled HOLIDAY MODE is displayed when the flap is closed For both the start and end of the holiday enter the year month and day The start time is 0 00 h on the first day of the holiday The end time is 24 00 h on the day the holiday ends After the holiday period has expired the heat pump system switches back to the previous heating and DHW pr...

Page 12: ...s Under menu item TEMPERATURES you can read off values of the heat pump and heat pump system TEMPERATURES OUTSIDE BACK TEMPERATURES Note Please note that actual and set values can only be display ed if the appropriate sensors are connected Example Amount of compressor heat generated in heating mode since 0 00 h today in kWh ...

Page 13: ... circuit 2 ACT BUFFER T Actual buffer temperature FIXED FLOW T Set fixed temperature for heating circuit 1 SET BUFFER T Set buffer temperature Highest set value of heating circuits H1 and H2 Fixed temperature will be displayed for fixed temperature control DUAL MODE HTG Dual mode point central heating DUAL MODE DHW Dual mode point DHW SYST FROST PRO System frost protection temperature HEATING PRES...

Page 14: ...he mixer flow temperature When the heating curve is displayed on the heat pump manager the calculated set return or flow temperature subject to the out side temperature and the set room temperature will be shown at the top of the display As soon as a temperature has been preselected via the fixed tem perature parameter at control level 3 heating curve 1 will be hidden If this is the case the displ...

Page 15: ... curve represents the setback curve For this the set room temperature for setback mode of 15 C is used As a result the heating curve shifts in parallel 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 70 60 50 40 30 20 1 2 26_03_01_1301_ Y Return flow temperature C X Outside temperature C 1 Day mode 2 Setback mode Adapting a heating curve Example During spring and autumn it can occur that the...

Page 16: ... is switched off for the entire period selected here and heating is solely carried out by the electrical emergency booster heater You can adjust your heating system as follows For each individual day of the week Monday Sunday Monday to Friday Mo Fr Saturday and Sunday Sa Su The whole week Mo Su You can set three switching time pairs I II III for each of these options Example For heating circuit 1 ...

Page 17: ...options Exception If you want to heat DHW from 22 00 h until 06 00 h the following day you will need two switching time pairs Example You would like to heat DHW twice daily i e from 22 00 h until 06 00 h the following day and then from 08 00 h until 09 00 h As the day begins at 00 00 h you have to begin programming at 00 00 h also for this example The first switching time pair runs from 00 00 h un...

Page 18: ...hanging the set room temperature Away button Info button Key to select the following operating modes Standby mode Automatic mode Constant day mode Constant setback mode Note The heating curve room temperature and heating pro gram parameters are not shown at the WPMme heat pump manager if the FEK is pre selected for a specific heating circuit 4 8 Internet Service Gateway ISG PIC00001002 The Interne...

Page 19: ...ult Cause Remedy There is no hot water or the hea ting system stays cold There is no voltage at the appliance Check the fuses MCBs in your fuse box Replace the fuses reset the MCBs if required Notify your contractor if the fuses MCBs blow trip again Water is leaking from the appliance The condensate drain may be blocked Clean the condensate drain as described in chapter Main tenance and care Conde...

Page 20: ...nager under the menu item START UP 8 2 Standard delivery 8 2 1 Standard delivery internal unit Delivered with the appliance 1 outside temperature sensor AFS 2 4 sliding blocks for the appliance feet 4 appliance feet 2 flexible pressure hoses 2 straight push fit connectors Condensate drain hose 4 fixing brackets 8 2 2 Standard delivery external unit Delivered with the appliance 4 female soldering c...

Page 21: ...m is not recommended The floor between the installation room and living room or be droom must have carefully applied anti vibration separation En sure that no pipes are routed on or in the wall Hinweis The appliance can seem loud if operated in an unfinished building without doors This is because the fixtures and fittings are not yet in place which will provide sound at tenuation once the building...

Page 22: ...n location Note For details regarding the sound power level see chapter Specification Data table Lawn areas and shrubs help reduce the spread of noise Sound propagation can also be reduced by installing closely spaced palisade fencing around the appliance f f Ensure that the air intake direction is the same as the main wind direction Air should not be drawn in against the wind f f Ensure that the ...

Page 23: ...amage Prevent dirt and moisture from penetrating the refrige rant circuit For this purpose install the refrigerant lines just before the system is commissioned f f Keep the refrigerant lines closed until commissio ning f f Take appropriate measures to prevent damp outdoor air from penetrating refrigerant lines e g by filling with dry air nitrogen and sealing with a plug f f Point the pipe ends dow...

Page 24: ... conduit on a wall B 16 A Control 1 5 mm The external unit fan is powered by the internal unit and is pro tected by a 10 A fuse in the internal unit f f Install the following cables between the internal and external units Assignment Cable cross section Electr mains 3 x 1 0 mm screened no rigid wire Fan 3 x 1 0 mm screened no rigid wire BUS j y St 2x2x0 5 Also observe the figure in chapter Connecti...

Page 25: ...000052698 1 1 Transport aids D0000051813 1 2 1 Appliance foot 2 Sliding block f f Undo the four screws on the underside of the non returnable pallet f f Remove the washers f f Remove the appliance feet from the pack Screw the feet onto the appliance fully without removing the appliance from the pallet f f Take the appliance off the pallet and set it down carefully f f Observe minimum distances see...

Page 26: ... 5 6 D0000028465 WPL 25 IK 2 620 1370 160 160 1 3 2 4 5 6 D0000028465 1 Air intake 2 Air discharge 3 Main wind direction 4 Condensate drain outlet 5 Refrigerant suction gas line 6 Refrigerant liquid line 3 4 6 A 1 2 5 D0000028466 A Depth of frost line 1 Refrigerant suction gas line 2 Refrigerant liquid line 3 Condensate drain 4 Drainage pipe 5 Foundation 6 Gravel bed D0000034091 f f Secure the app...

Page 27: ...l mounting bracket Example T support A 1 3 2 7 4 6 5 D0000019568 A Depth of frost line 1 Refrigerant suction gas line 2 Refrigerant liquid line 3 Condensate drain 4 Foundation 5 T support 6 Gravel bed 7 Drainage pipe f f Observe the static limits of the T support used 10 3 Condensate drain A condensate drain connector is fitted to the defrost pan at the factory to enable the condensate to drain of...

Page 28: ...a slight slope to the outside f f Seal the wall outlets with suitable sealant 10 5 Installing refrigerant lines Material damage Prevent dirt and moisture from penetrating the refrige rant circuit For this purpose install the refrigerant lines just before the system is commissioned f f Cut the pipes using suitable tools without creating any swarf or burrs Prevent the ingress of swarf into the pipes...

Page 29: ...5 C is only permissible if the pre installed refrigerant lines are perfectly sealed and their ends point downwards thereby preventing the in gress of dirt and water Purge the refrigerant lines tho roughly with nitrogen f f Remove the protective caps from the connection pipes using a suitable tool External unit Note The external unit is filled with nitrogen When the pro tective caps are removed the...

Page 30: ...the upper door for wards and then undo the four screws on the appliance cover f f Break the vacuum and fill the refrigerant lines and the pipe work of the external unit with nitrogen f f Check the tightness of all soldered joints using leak detecti on spray for example f f Evacuate the refrigerant lines and the pipework of the exter nal unit one more time 26_03_01_1832 1 2 1 Ball shut off valve li...

Page 31: ...ygen diffusion Material losses Avoid open heating systems and plastic pipes in under floor heating systems 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...

Page 32: ...lace the diverter valve into its centre position For this activate controller parameter DRAIN HYD in the DIAGNO SIS RELAY TEST SYSTEM menu 1 26_03_01_1758 1 Drain heat exchanger f f Fill the heating system via the drain Venting the heating system f f Prior to venting open the quick action air vent valve in the multi function assembly MFG D0000036271 1 2 1 Quick action air vent valve 2 Electronic M...

Page 33: ...alves until the appliance has filled up and the pipework is free of air f f Carry out a tightness check 10 8 Operation with buffer cylinder f f Install an additional return temperature sensor f f Connect the return sensor to the control panel f f On the control unit set parameter FLOW PROP HC1 to 0 10 9 Fitting the push fit connectors Note Never install the push fit connectors in the DHW line Only...

Page 34: ... fill the heating system see chapter Heating water connec tion The terminals are inside the control panel of the appliance behind the lower door 26_03_01_1754 f f Open the upper door 26_03_01_1753 f f Remove the lower door 1 26_03_01_1765 1 Entry electrical cables f f Route all connecting cables and sensor leads through the entry provided in the back panel 11 2 1 Electric emergency booster heater ...

Page 35: ...evaporator is drawn from the heating circuit If an overflow valve or a low loss header is used for example the emergency booster heater must be connected in order to back up the defrosting process in an emergency f f Connect cables according to the following diagram 11 2 2 Electric emergency booster heater compressor and fan WPL 15 IKS 2 D0000035716 X3 Electric emergency booster heater DHC L L N N...

Page 36: ...50 V AC or our relay set WPM RBS f f Route cables and leads through the strain reliefs f f Check the function of the strain relief fittings 11 2 5 Low voltage BUS cable and service 26_03_01_1763 X2 Low voltage Fernb 3 Heating circuit pump and N X25 PE Fernb 1 Mixer closed T MK Mixer circuit temperature sensor and earth X26 T A Outside temperature sensor and earth X26 T Puffer Buffer cylinder senso...

Page 37: ... 1 1 Entry electrical cables f f Push the electrical installation cables from below through the Entry electrical cables As the cables are being pushed through a cable guide inside the appliance directs the cables upwards towards the connection area f f Connect cables according to the following diagram 26_03_01_1828 X1 Mains control voltage from internal unit L N PE X2 Fan power supply from interna...

Page 38: ... 3 4 7 5 6 X8 X6 X5 X2 X4 X30 X3 X31 X1 X4 X2 X3 1 Control circuit 1 N PE 230V 50Hz domestic electricity meter 2 Load circuit heat pump 1 N PE 230V 50Hz heat pump electricity meter 3 Load circuit booster heater 2 N PE 230V 50Hz heat pump electricity meter 4 Power OFF control control phase L w o blocking time control phase L with blocking time 5 Internal unit 6 External unit 7 Domestic fuse box ...

Page 39: ... 7 5 6 X8 X6 X5 X2 X4 X30 X3 X31 X1 X4 X2 X3 1 Control circuit 1 N PE 230V 50Hz domestic electricity meter 2 Load circuit heat pump 3 N PE 400V 50Hz heat pump electricity meter 3 Load circuit booster heater 3 N PE 400V 50Hz heat pump electricity meter 4 Power OFF control control phase L w o blocking time control phase L with blocking time 5 Internal unit 6 External unit 7 Domestic fuse box ...

Page 40: ...sor is required when using a mixer circuit Installation information 26_03_01_1431 f f Clean the pipe f f Apply heat conducting paste f f Secure the sensor with a cable tie Sensor resistance values Temperature in C PT 1000 sensor Resistance in Ω PTC sensor Resistance in Ω 30 843 1250 20 922 1367 10 961 1495 0 1000 1630 10 1039 1772 20 1078 1922 25 1097 2000 30 1117 2080 40 1155 2245 50 1194 2417 60...

Page 41: ...g which is a chargeable service Where this appliance is intended for commercial use the rules of the relevant Health Safety at Work Act may be applicable for commissioning For further details check your local authorising body 12 1 Checks before commissioning 12 1 1 Heating system Have you set the flow rate on the heating side correctly Have you filled the heating system to the correct pressure and...

Page 42: ...er cylinder in menu START UP set parameter B PUMP CONST to ON In such cases one or more heating circuits in the heating system must be left open Ensure the minimum flow rate see Specificati on Data table by means of the correspondingly opened heating circuits see table Design recommendation for underfloor heating system in the lead room Note The table applies if individual room control is installe...

Page 43: ...cylinder For systems with a buffer cylinder in menu START UP set pa rameter B PUMP CONST to OFF f f In menu START UP set parameter SET HTG P RATE so that the nominal flow rate required for system operation is assured see chapter Specification Data table The current flow rate can be called up in menu TEMPERATURES under ACT VOLUME Note f f Never change parameter SET DHW P RATE in menu START UP The p...

Page 44: ... END TEMP LOW END DURAT MAX HEAT UP T MAX TEMP DURAT BACK INCREAS DAY 7 SUMMER OPRTN ON OFF BUILDNG TYPE OUTSIDE TEMP BACK 8 PUMP CYCLES ON OFF MIN OUTSIDE T MAX OUTSIDE T CYCLES OT MIN CYCLES OT MAX BACK 9 B PUMP CONST ON 10 FIXED FLOW T OFF C 11 SILENTMODE OUTPUT REDUCT HEAT PUMP OFF 12 RTRN MAX C 13 MAX FLOW T HTG C 14 MAX FLOW T DHW C 15 MIXER MAX C 16 MIXER DYNAMIC 17 FROST PROTECT C 18 PRESE...

Page 45: ...RECTION C 34 DHW HC PUMP ON OFF 35 PASTEURISATION ON OFF 36 FLOW PROP HC1 37 P PROPORTION K 38 CNTRL RESP TM K min 39 HTG SIZING 40 MIN RUNTM COMP 41 POWER BLOCKED 42 COMP IDLE TIME MIN 43 COMP DLAY CNTR COMPRESSOR 1 BACK 44 QUICK START 45 RELAY TEST MIXER OPEN MIXER CLOSED HP ON BACK 46 LCD TEST 47 FAULT LIST FAULT 1 FAULT 10 BACK 48 WPMME SOFTWARE 49 MFG SOFTWARE 50 ANALYSIS 51 DIAGNOSIS 52 MAN ...

Page 46: ...25 C the heat up program screed drying must be carried out via the emergency booster he ater The process must not be carried out via the heat pump such low system temperatures during the defrost cycle mean that the appliance may not be protected from frost during the defrost cycle If the return temperature rises 25 C the heat pump can take over screed drying Set parameter HEATING LIMIT to 20 C If ...

Page 47: ...direct heating circuit 1 i e for heating circuit pump 1 This parameter can be set to ON or OFF In setting OFF the heating circuit pump will not cycle The heating circuit pump operates continuously and is only turned off in summer mode As soon as this parameter is set to ON the heating circuit pump will be switched in line with a fixed temperature curve for the outside temperature The heating circu...

Page 48: ...g limits the flow temperature of the heat pump and the electric emergency booster heater in heating mode 14 MAX FLOW T DHW Maximum heat pump flow temperature for DHW Setting range 20 C to 70 C This setting limits the flow temperature of the heat pump in DHW mode 15 MIXER MAX Maximum mixer flow temperature Setting range 20 C to 55 C This setting limits the flow temperature of the mixer circuit For ...

Page 49: ...ding room temperature control in accordance with the following formula ϕR ϕRset ϕRactual S K Because a substantial proportion of the control is already handled by the weather compensated control the room temperature sen sor compensation factor K can be set lower than with pure room temperature control K 20 The figure below indicates how the control operates with the set factor K 10 room influence ...

Page 50: ...s shut down in DHW mode via a fault or via the maximum DHW flow temperature the electric emer gency booster heater will be switched on as a booster stage If the flow temperature of 70 C is achieved in this operating mode DHW heating will be terminated and the set DHW temperature is overwritten with the actual DHW temperature Setting ON As soon as the heat pump is shut down in DHW mode via a fault ...

Page 51: ...the dual mode point Set the temperature of this point as Design temperature Heating in the controller If no intersection is created set the temperature at 20 C The required output diagrams can be found in chapter Specifi cation Output diagram WPL 15 IKS 2 and chapter Specification Output diagram WPL 25 IK 2 Example Determining the dual mode point B A C 0 5 10 20 10 0 10 20 30 1 2 D0000052504 1 Max...

Page 52: ... MFG SOFTWARE Display of the current software issue 50 ANALYSIS The enabled stages are shown on the display The two digit display shows the internal control unit calculation A stage is switched each time the counter goes down to zero This calculation depends on the control dynamic and the control deviation For this see CNTRL RESP TM 51 DIAGNOSIS This checks whether an FEK control unit is connected...

Page 53: ... 65 C 15 Max mixer temperature 20 0 to 55 0 C 50 C 16 Mixer dynamic 30 to 240 100 17 Frost protection temperature 10 0 to 10 0 C 4 0 C 18 Remote control selection Heating circuit 1 to 2 HEATING CIRC 1 19 FE correction FE 5 0 K to 5 0 K 0 0 K 20 Room influence FE 0 to 20 5 21 Dual mode temperature heating 20 to 40 C 15 C 22 Delay DHC heating 0 to 120 min 60 min 23 Maximum DHC stages heating 0 to 3 ...

Page 54: ...0 C 5 30 C Room temperature in night mode 20 C 5 30 C DHW program switching times Monday Sunday 0 00 24 00 0 00 23 59 DHW temperature DHW day temperature 50 C OFF 50 70 C DHW night temperature 50 C OFF 50 70 C Heating curve slope Heating curve 1 0 6 0 5 Heating curve 2 0 2 0 5 13 2 Heating and DHW programs You may enter your individual programs into the following tables 13 2 1 Heating program heat...

Page 55: ... to be taken out of use set the heat pump manager to standby This retains the safety functions designed to protect the system e g frost protection Material damage If the heat pump and frost protection are completely swit ched off drain the system on the water side Information on draining the DHW cylinder can be found in chapter Maintenance 15 Troubleshooting WARNING Electrocution f f Before workin...

Page 56: ...TEMPERATURES menu item There may be an incorrect fuse rating f f See chapter Specification Data table Note The heat pump can only be restarted after the fault has been removed and the heat pump has been reset para meter HEAT P RESET Additional parameters available for system analysis Quick Start The quick start must only be carried out by our customer support The heat pump compressor is checked du...

Page 57: ...onditions precipitation occurs in the form of rain or fog ice may form on the air grille the fan blades or the air routing If the fan comes into contact with this ice noise develops How to remedy rhythmically scratching or grinding noises f f Check whether the condensate drain is free from obstruction f f Check whether the design output and temperature are set correctly Ice formation is particular...

Page 58: ...h pres sure sensor ERR STEP COOL Cooling expansion valve servomotor faulty A reset is required ERR STEP EVI Intermediate injection expansion valve servomotor faulty A reset is required ERR STEP OUT Evaporator expansion valve servomotor faulty A reset is required Fault list for communication errors Fault display Cause Remedy TO T RTRN MFG The return sensor is faulty Check the sensor terminal or rep...

Page 59: ...rts again after the selected idle time has expired 3 x inverter faults in 24 hours result in an error message INV OV CURR The limit for maximum inverter current has been exceeded The compressor starts again after the selected idle time has expired PFC OV CURR The limit for maximum current has been exceeded The compressor starts again after the selected idle time has expired DC OV VOLT The limit fo...

Page 60: ...clean following a prolonged pump runtime Material damage Escaping refrigerant is damaging to the environment Any leaks in the refrigerant circuit must be remedied immediately Work on the refrigerant circuit must only be carried out by qualified contractors We recommend a regular inspection to establish the current con dition of the system and maintenance if required to return the system to its ori...

Page 61: ...y blockages f f Check the siphon into which the safety assembly drain runs Unpleasant odours can occur if the siphon dries out 16 4 Maintenance work on the external unit Material damage On the external unit keep the air discharge and intake apertures free from snow and ice 26_03_01_1834 2 1 1 Condensate tray 2 Evaporator fins f f Visually inspect the evaporator fins Clear any leaves or dirt from t...

Page 62: ...b01 e01 e02 i51 c01 1960 20 40 600 555 700 80 470 385 130 215 45 c12 D0000018763 WPL 15 IKS 2 WPL 25 IK 2 b01 Entry electrical cables c01 Cold water Inlet Diameter mm 22 22 c06 DHW outlet Diameter mm 22 22 c12 Safety valve drain e01 Heating flow Diameter mm 22 22 e02 Heating return Diameter mm 22 22 i50 Refrigerant suction gas line Diameter mm 16 18 i51 Refrigerant liquid line Diameter mm 10 10 ...

Page 63: ... 2 external unit A c 1 410 494 872 928 986 1088 924 893 5 35 40 g01 g02 d45 b01 i51 i50 100 114 D0000018764 WPL 15 IKS 2 b01 Entry electrical cables d45 Condensate drain g01 Air intake g02 Air discharge i50 Refrigerant suction gas line Diameter mm 16 i51 Refrigerant liquid line Diameter mm 10 ...

Page 64: ... external unit A c 1 410 520 1063 1108 1160 1270 1061 1024 35 40 g01 g02 d45 b01 i51 i50 100 106 D0000018765 WPL 25 IK 2 b01 Entry electrical cables d45 Condensate drain g01 Air intake g02 Air discharge i50 Refrigerant suction gas line Diameter mm 18 i51 Refrigerant liquid line Diameter mm 10 ...

Page 65: ...Installation Specification www stiebel eltron com WPL 15 IKS WPL 25 IK 65 ...

Page 66: ...X5 X6 X7 X8 von A5 X70 5 6 3 4 1 2 5 6 3 4 1 2 p 1 2 3 p 1 2 3 1 2 3 p 1 2 1 2 M __ M8 2 1 3 4 5 6 X4 G G X5 1 2 3 X2 G 5V X1 5V G L X8 Inverter X9 1 2 1 2 X10 X11 X18 X17 X16 X20 X19 K10 K11 p F2 K2 B18 T7 L N PE 1 2 4 3 5 6 X28 L X31 1 2 3 N L X30 1 2 3 N F7 X27 X23 K11 K10 zu A7 PE von X23 N B15 T4 B16 T5 B17 T6 P1 P2 P7 P3 P3 P1 K2 Z7 A 7 Z8 H3 p P2 Z13 Z3 BLKYEL GRN an Sternpunkt Inverterrahm...

Page 67: ...1 L H X72 M3 MFG A5 3 2 1 X70 3 2 1 X69 5 4 X68 6 2 1 3 2 1 X67 3 4 2 1 X66 3 4 2 1 X65 3 4 5 2 1 X64 3 4 5 2 1 X63 2 1 X62 2 1 X61 2 1 X60 HZ X3 1 2 3 4 5 P4 B3 F5 E1 P1 2900W P2 2900W P3 2900W B1 1 2 3 4 N N L L X59 B11 zu M2 K7 K6 K5 PWM Signal GND 1 2 3 4 5 6 T2 T1 GND OUT IN N Fernb 1 Fernb 3 T MK T A T Puffer T Puffer p P6 GND 5V OUT K11 A6 2 1 X1 X2 X3 X4 X5 X26 L H L H L H L H B4 3 2 1 N P...

Page 68: ...17 T6 1 2 M7 M __ 2 1 3 4 5 6 Y1 X3 X15 X5 X6 X7 X8 p F2 K2 p P2 12 3 X14 von A5 X70 P1 P2 1 2 5 6 3 4 1 2 5 6 3 4 1 2 p 1 2 3 P7 P3 p 1 2 3 1 2 3 p P3 P1 1 2 1 2 1 2 M8 M __ 2 1 3 4 5 6 X4 G G X5 1 2 3 X2 G 5V X1 5V G L1 L2 L3 GRD L1 L2 L3 X8 K2 Inverter X9 1 2 1 2 B18 T7 X10 X11 X12 X13 X18 X17 X16 X20 X19 L N PE 1 2 4 3 5 6 K10 K10 K11 X28 L X31 1 2 3 N L X30 1 2 3 N N X27 X23 F7 K11 A 7 von X2...

Page 69: ...2 X26 Fernb 3 Fernb 1 T A T MK H L X23 2 1 X71 L H X72 M3 A6 MFG A5 3 2 1 X70 3 2 1 X69 5 4 X68 6 2 1 3 2 1 X67 3 4 2 1 X66 3 4 2 1 X65 3 4 5 2 1 X64 3 4 5 2 1 X63 2 1 X62 2 1 X61 2 1 X60 HZ X3 1 2 3 4 5 2 1 B3 P4 F5 E1 P1 2900W P2 2900W P3 2900W B1 1 2 3 4 N L1 L2 L3 X59 X1 X2 B4 p P6 B11 zu M2 K5 K6 K7 PWM Signal GND 1 2 3 4 5 6 GND 5V OUT T2 T1 GND OUT IN N K11 X3 X4 X5 X25 L H L H L H L H 85_0...

Page 70: ...2 Heat pump return temperature sensor PT1000 B3 Flow temperature sensor downstream of DHC PT1000 B4 Temperature sensor DHW B11 Temperature sensor condenser B15 T4 Temperature sensor suction gas T4 B16 T5 Temperature sensor intermediate injection T5 B17 T6 Temperature sensor liquid line T6 B18 Temperature sensor oil sump T7 E1 Instantaneous water heater DHC F2 High pressure switch F5 High limit saf...

Page 71: ...asst die drei markierten Kabel 85_03_11_0004 A1 RCC refrigerant circuit controller A1 X1 Power supply A1 X2 Expansion valve connection A1 X3 Temperature sensors A1 X4 Fan control A1 X5 Modbus B12 T1 Defrost temperature sensor T1 B13 T2 Outside temperature sensor T2 B14 T3 Evaporator outlet temperature sensor T3 M6 Fan M8 Expansion valve N3 Ribbon heater temperature switch X1 Mains terminal X2 Main...

Page 72: ...15 IKS WPL 25 IK www stiebel eltron com 17 5 Performance diagram WPL 15 IKS 2 0 5 10 20 15 10 5 0 5 10 15 20 1 2 3 4 5 6 D0000033650 X Outside temperature C Y Heating output kW 1 max W55 2 max W45 3 max W35 4 min W55 5 min W45 6 min W35 ...

Page 73: ...l eltron com WPL 15 IKS WPL 25 IK 73 17 6 Performance diagram WPL 25 IK 2 0 5 10 15 20 20 15 10 5 0 5 10 15 20 1 2 3 4 5 6 D0000033651 X Outside temperature C Y Heating output kW 1 max W55 2 max W45 3 max W35 4 min W55 5 min W45 6 min W35 ...

Page 74: ...7 W35 EN 14511 2 92 3 05 COP at A 7 W55 EN 14511 2 25 2 30 Sound emission data Sound power level for indoor installation EN 12102 dB A 48 49 Max sound power level for indoor installation dB A 62 62 Sound power level outdoor installation EN 12102 dB A 54 53 Sound pressure level at 5 m distance in a free field dB A 32 31 Sound power level outdoor installation EHPA A7 W65 dB A 54 53 Max sound power l...

Page 75: ...l 4 35 4 6 Pre filled for split line length m 25 25 Max height differential external unit higher than internal unit m 5 5 Max height differential external unit lower than internal unit m 5 5 Min heating flow rate m h 0 84 1 Nominal heating flow rate at A2 W35 B0 W35 and 7 K m h 0 84 1 Heating flow rate EN 14511 at A7 W35 B0 W35 and 5 K m h 0 87 1 23 Flow rate on heat source side m h 2300 4000 Perm...

Page 76: ...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...

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STIEBEL ELTRON WPL 15 IKS-2, Operation And Installation

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