STIEBEL ELTRON WPC 04 Operation And Installation Download Page 69

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Page 1: ...Operation and installation Brine water heat pump WPC 04 WPC 05 WPC 07 WPC 10 WPC 13 WPC 04 cool WPC 05 cool WPC 07 cool WPC 10 cool WPC 13 cool ...

Page 2: ...the heating system 29 11 8 Venting the heating system 29 11 9 DHW connection 29 11 10 DHW circulation connection 30 11 11 Operation with buffer cylinder 30 11 12 Fitting the push fit connectors 30 12 Power supply 31 12 1 General 31 12 2 Power supply 31 12 3 Sensor installation 33 12 4 FE7 remote control 34 12 5 FEK remote control 34 12 6 Uponor DEM WP module 34 12 7 Internet Service Gateway ISG 34...

Page 3: ... only possible in summer mode The air outlet in the knurled cap of the quick ac tion air vent valve must not point towards the MFG PCB Close the quick action air vent valve again after venting Maintenance work such as checking the electri cal safety must only be carried out by a qualified contractor We recommend an annual inspection to establish the system s current condition and maintenance by a ...

Page 4: ...ol Meaning Material losses appliance and consequential losses environmental pol lution 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 oth erwise 2 Safety 2 1 Intended use The appliance is designed for heating rooms DHW heating Observe the o...

Page 5: ...nction assembly MFG with safety assembly and 3 way diverter valve have been integrated in the appliance for directing the flow either to the heating circuit or the DHW circuit To heat the DHW the heating water that has been heated by the heat pump is directed through an indirect coil in the DHW cylinder where it transfers its energy to the DHW The appliance is equipped with an electric emergency b...

Page 6: ...section is for selecting and displaying the operating modes In the fourth section picture symbols indicate the current system state Activation If the scroll wheel and keys fields are not used for 5 minutes the programming unit is locked WEDNESDAY 12 JUN 13 10 23 TIME OUTSIDE TEMPERATURE Actual DHW temp 27 0 C 35 0 C 28 0 C Actual return temp ECO MODE To activate please press MENU for 3 s 26_04_01_...

Page 7: ...Selecting BACK takes you to the next higher menu level If there is no user action for more than five minutes no rotation and neither MENU nor OK are pressed the programming unit display automatically jumps back to the start screen Any recent parameter changes which had not yet been confirmed with OK are lost The parameters retain the values previously saved 4 1 4 Contractor access Note Some menu o...

Page 8: ...pplication Low energy houses without setback mode ECO mode The heating circuit is constantly held at the ECO temperature ap plicable to HC 1 and HC 2 DHW heating according to time switch program Application During weekends away DHW mode DHW heating according to time switch program If a time program is active the water inside the DHW cylinder is heated to the set comfort temperature At all other ti...

Page 9: ... C Level 3 SET TEMPERATURE FEK Set room temperature for heating circuit 1 or heating circuit 2 is only displayed if the FE7 remote control is connected C REL HUMIDITY DEW POINT TEMPERATURE Dew point temperature is only displayed if the FEK remote control is connected C HEATING OUTSIDE TEMPERATURE C ACTUAL TEMPERATURE HC 1 Actual heating circuit temperature heating circuit 1 C SET TEMPERATURE HC 1 ...

Page 10: ...n MWh MWh BH DHW TOTAL Total amount of heat generated by the electric emergency booster heater in DHW mode in MWh MWh Power consumption COMPRESSOR HEATING DAY Electrical output of compressor in heating mode since 0 00 h today kWh COMPRESSOR HEATING TOTAL otal electrical output of compressor in heating mode MWh COMPRESSOR DHW DAY Electrical output of compressor in DHW mode since 0 00 h today kWh CO...

Page 11: ... See fault table RELAY TEST SYSTEM BUFFER CHARGING PUMP DHW VALVE HTG CIRC PUMP MIXER PUMP MIXER OPEN MIXER CLOSED BH 1 BH 2 BH 3 SOURCE PUMP COOLING MODE DRAIN HYD MFG 5 2 1 Fault list The fault list provides an overview of the faults most recently registered by the appliance The fault list contains up to 20 fault messages The display however can show only 2 Turn the scroll wheel to access the ot...

Page 12: ...to its previous state 07 00 20 00 26_04_01_0299 Monday Main menu Programs Heating program HEAT CIRCUIT 1 In this example only one switching time pair has so far been programmed For switching time pairs 2 and 3 short dashes are displayed instead of times These switching time pairs are still empty Select one of the free switching time pairs with OK to reach the level where you can set the associated...

Page 13: ...sequence as soon as the heat up program is activated The program is started with the HEAT UP PROGRAM parameter and with the setting ON The system then heats to the selected low end temperature The low end temper ature is held for the set period parameter TEMP RISE PERIOD After expiry of this period the system heats to the maximum low end temperature parameter MAXIMUM TEMPERATURE using an increase ...

Page 14: ...T ROOM TEMP ECO HEATING CURVE RISE HEATING CURVE HEAT CIRCUIT 2 SET ROOM TEMP COMFORT SET ROOM TEMP ECO HEATING CURVE RISE HEATING CURVE STANDARD SETTING BUFFER OPERAT SUMMER MODE OUTSIDE TEMPERATURE BUILDING HEAT BUFFER MAXIMUM RETURN TEMP MAXIMUM FLOW TEMP MIXER DYNAMICS MAXIMUM MIXER TEMPERATURE FIXED VALUE OPERATION HEATING CIRCUIT OPTIMAL FROST PROTECT REMOTE CONTROL FE7 HEATING CIRC PRESELEC...

Page 15: ...nd heating circuit 2 Changing the set room temperature results in a parallel shift of the heating curve As soon as the FE 7 remote control has been connected and allo cated to heating circuit 1 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 the actual room temperature can also be scanned The display HE...

Page 16: ...URE Outside temperature adjustable from 10 C to 30 C Parameter BUILDING HEAT BUFFER This parameter lets you choose whether an average outside tem perature should be determined according to the type of building You can choose from 3 settings Setting 1 Minor insulation towards outside temperatures aver aging over a 24 h period e g for timber construction with rapid heat transfer Setting 2 Moderate i...

Page 17: ...ture will be used to control and regulate to this value FIXED VALUE OPERATION The heat pump return is regulated to the set fixed value The switching time program will then be ignored The various posi tions of the program selector will then only affect the mixer circuit if installed When the program selector is set to standby and a fixed temperature has been selected the frost protection is acti va...

Page 18: ...ther compensated control the room temperature sensor compensation factor K can be set lower than with pure room temperature control K 20 The figure indicates the control method with the set factor K 10 room influence and a heating curve S 1 2 Room temperature control with weather compensation This type of control offers two main benefits Incorrectly set heating curves are corrected by the room sen...

Page 19: ...ect the set DHW temperatures for Comfort and ECO mode STANDARD SETTING DHW HYSTERESIS This is where you determine the switching hysteresis for DHW heating Starting DHW heating at the set DHW temperature minus the hysteresis value DHW LEARNING FUNCTION Setting OFF When heating DHW the system automatically adjusts itself to the required DHW temperature self learning function The electric emergency b...

Page 20: ...l is connected Cooling mode is only possible in summer mode The WPC with the WPAC 2 cools in 2 stages Stage 1 source pump Heat is extracted from the heating circuit and is passed to the heat source system Stage 2 source pump compressor In addition the refrigerant circuit extracts heat from the heating circuit and transfers it to the heat source system DHW heating DHW heating always has priority As...

Page 21: ...ls Rotary selector for changing the set room temperature Rotary selector with the following positions Automatic mode Constant setback mode Constant day mode Note The remote control is only active in the automatic mode of the heat pump manager 5 6 FEK remote control PIC00000704 The FEK remote control allows you to Change the set room temperature for heating in heating cir cuit 1 or 2 by 5 C Change ...

Page 22: ... a qualified contractor if required to return the system to the desired condition 7 Troubleshooting Fault Cause Remedy There is no hot water or the heating system stays cold The fuse MCB has blown responded Check the fuses MCBs in your fuse box 7 1 Other problems If you cannot remedy the fault notify your qualified contractor To facilitate and speed up your enquiry please provide the serial number...

Page 23: ... second heat exchanger where the energy is extracted from the heating water 9 3 Standard delivery The following are delivered with the appliance 1 outside temperature sensor AFS 2 1 immersion sensor TF 6 2 elbow push fit connectors 22 mm 2 elbow push fit connectors 28 mm 2 pressure hoses DN 19 x 500 mm 2 pressure hoses DN 25 x 500 mm 9 4 Accessories Brine charging unit WPSF Water softener fitting ...

Page 24: ...tribution panel Note The specified voltage must match the mains voltage Ob serve the type plate Install cables with the following cross sections in accordance with the respective fuse rating Fuse MCB rating Assignment Cable cross section C 16 A Compressor 2 5 mm B 16 A Electric emergency booster heater BH 2 5 mm 1 5 mm with only two live cores and routing on a wall or in an electrical con duit on ...

Page 25: ...ce the connector safely in the refrigeration unit f f Remove the upper front panel 1 1 2 2 D0000037451 f f Remove the side panels Remove the lower fascia To do this you will need to remove a fixing bracket component as shown in the following diagram D0000037452 1 2 1 Fixing bracket component 2 Screw with serrated washer The serrated washer provides an electrical connection It must be remounted whe...

Page 26: ...erse order Be sure to place the DHW temperature sensor back in the marked sensor well 11 2 Siting f f Remove the packaging film and the top and side EPS padding 1 2 26_03_01_1764 1 Appliance foot 2 Sliding block f f Undo the four fixing screws underneath the non returnable pallet f f Remove the appliance feet from the pack Fully screw the feet onto the appliance without removing the appliance from...

Page 27: ...commend installing our Brine charging unit WPSF in the heat source inlet see chapter Accessories To facilitate the connection to the heat source system elbow push fit connectors are enclosed with the appliance see chapter Fitting the push fit connectors f f Connect one flexible pressure hose each to act as an anti vi bration mount to the heat source flow and heat source return connections The pres...

Page 28: ... To facilitate the connection to the heating system elbow push fit connectors are enclosed with the appliance see chapter Fitting the push fit connectors f f Connect one flexible pressure hose each to act as an anti vi bration mount to the heating flow and heating return connections The pressure hoses are included as part of the standard delivery f f Ensure the correct connection of the heating fl...

Page 29: ...2 weeks after commission ing and as part of the annual system maintenance Note With a conductivity 1000 μS cm desalination treatment is recommended in order to avoid corrosion Note Suitable appliances for water softening and desalinating as well as for charging and flushing heating systems can be obtained via trade suppliers Note If you treat the fill water with inhibitors or additives the same li...

Page 30: ...valve is fully opened f f Flush the pipes thoroughly 1 26_03_01_1758 1 Drain DHW cylinder f f Fill the DHW cylinder via the drain f f Open all downstream draw off valves until the appliance is full and the pipework is free of air f f Carry out a tightness check 11 10 DHW circulation connection The DHW circulation connector is located at the back of the appli ance see chapter Specification Dimensio...

Page 31: ...ly Connection work must only be carried out by a qualified contractor and in accordance with these instructions Permission to connect the appliance may need to be obtained from your local power supply utility f f Observe chapter Preparations Electrical installation 12 2 Power supply Note The heating system needs to be filled before making the electrical connection see chapter Heating water con nec...

Page 32: ...heater f f Connect cables according to the following diagram D0000037506 X3 Electric emergency booster heater DHC L1 L2 L3 N PE Connected load Terminal allocation 2 9 kW L1 PE 5 8 kW L1 L2 PE 8 8 kW L1 L2 L3 PE X3 Compressor HP L1 L2 L3 N PE 12 2 2 Control voltage D0000037507 X4 Control voltage control outputs ON KS KUE MKP M A M Z HKP UP WW Compressor signal Brine pump signal Cooling Mixer circui...

Page 33: ... sensors are correctly positioned and well insulated 26_03_21_0052 Install the outside temperature sensor on a north or north eastern wall Minimum clearances 2 5 m above the ground and 1 m to the side of windows and doors The outside temperature sensor should be freely exposed to the elements but not placed in direct sunlight Never mount the outside temperature sensor above win dows doors or flues...

Page 34: ... for heating circuit 1 or heating circuit 2 by 5 C as well as the operating mode Connect the remote control to terminals H L and at terminal block X2 of the appliance f f Also observe the FEK operating instructions 12 7 Uponor DEM WP module When an Uponor DEM WP module is connected the heating curve is dynamically optimised for the heat demand of individual rooms This involves modifying the preset...

Page 35: ... out by pressing the reset button 13 1 5 Power supply Have you correctly connected the power supply If no fault message is displayed when voltage is applied to the heat pump power supply mains then the rotating field is correctly connected If the fault message NO OUTPUT ap pears reverse the rotational direction of the compressor 13 2 Heating curve adjustment during commissioning The efficiency of ...

Page 36: ...ff and the idle time is set The compressor is enabled again after the idle time has expired and the fixed hysteresis of 2 K has been exceeded This fault i e MIN SOURCE T is indicated in the display by a flash ing warning triangle and entered into the fault list The source pump is always started 30 seconds earlier than the compressor which starts when there is a heat demand coming from the central ...

Page 37: ...namic is a measure of the switching inter val between the compressor and the electric emergency booster heater Normally the preselected dynamic must be sufficiently fast and without oscillation Heating systems that respond quickly re quire a lower value whilst very slow responding systems require a higher value to be set HP SENSOR MAX Maximum high pressure Setting range 38 bar to 40 bar This setti...

Page 38: ...r heater takes over the frost protection of the central heating system Users can then independently select emergency mode 13 3 8 HEAT PUMP RESET If a fault occurs the heat pump can be reset Setting it to ON resets the fault that has occurred The compressor starts again The fault remains stored in the fault list 13 3 9 FAULT LIST RESET ON OFF The entire fault list is deleted 13 3 10SYSTEM RESET A s...

Page 39: ...ON OFF ON OUTSIDE TEMPERATURE 3 to 30 C 20 C BUILDING HEAT BUFFER 1 to 3 1 MAXIMUM RETURN TEMP 20 to 55 C 55 C MAXIMUM FLOW TEMP 20 to 65 C 60 C MIXER DYNAMICS 30 to 240 100 MAXIMUM MIXER TEMPERATURE 20 to 90 C 50 C FIXED VALUE OPERATION OFF 20 50 C OFF OPTIMUM HEATING CURVE OFF 0 01 0 1 OFF FROST PROTECT 10 to 10 C 4 C Settings heating FE7 remote control Setting range Standard System value HEATIN...

Page 40: ...o 5 K 5 K SET ROOM TEMPERATURE 20 to 30 C 25 C Settings cooling passive cooling fan cooling Setting range Standard System value SET FLOW TEMPERATURE 7 to 25 C 15 C FLOW TEMP HYSTERESIS 1 to 5 K 5 K SET ROOM TEMPERATURE 20 to 30 C 25 C Commissioning Setting range Standard System value ENTER CODE 0000 to 9999 1000 LANGUAGE English Source Setting range Standard System value SOURCE TEMPERATURE MIN OFF...

Page 41: ...g curve 2 0 2 0 5 14 2 Heating and DHW programs You may enter your individual programs into the following tables 14 2 1 Heating program heating circuit 1 Switching time pair I Switching time pair II Switching time pair III Mon Tue Wed Thu Fri Sat Sun Mon Fri Sat Sun Mon Sun 14 2 2 Heating program heating circuit 2 Switching time pair I Switching time pair II Switching time pair III Mon Tue Wed Thu...

Page 42: ...indicate whether the electric emergency booster heater high limit safety cut out has respond ed The high limit safety cut out can be reset by your contractor through pressing the reset button The high limit safety cut out response is generally caused by air in the heating circuit or an inadequate heating flow rate f f Check the heating flow rate and ventilate the heating system 16 2 Fault message ...

Page 43: ...the fault f f Reset the high limit safety cut out by pressing the reset but ton To do so use a pointed object f f Check whether the heating water is being circulated at a suf ficiently high flow rate 16 4 Resetting the compressor high limit safety cut out If the hot gas temperature exceeds 140 C the compressor shuts down D0000037511 1 1 High limit safety cut out reset button f f Isolate the applia...

Page 44: ... the system is permanently shut down Monitor the flow temperature and check the HP sensor Check the flow rate and the temperature on the heating side LOW PRESSURE The system will be permanently shut down after the fault has occurred five times within the operating time idle time x 50 plus 20 minutes The fault is added to the fault list after it has occurred for the first time Check the flow rate a...

Page 45: ...the MFG is faulty Check the communication cable terminal or replace the com munication cable ERR PU SOL MFG Error brine pump MFG Check the communication cable terminal or replace the com munication cable ERR VALVE MFG Error 3 way diverter valve MFG Check the communication cable terminal or replace the com munication cable ERR PU HC MFG Error heating circuit pump MFG Check the communication cable t...

Page 46: ... safety valve following inspection Opening the appliance D0000037448 f f Remove the fixing screw from under the fascia f f Lift the fascia upwards f f Secure the upper front panel as shown in the following di agram using the support attached to the casing Ensure the support is placed correctly 1 2 3 4 D0000037449 Removing the lower front panel To do this you will need to remove a fixing bracket co...

Page 47: ...ng and protective anodes Replacing the protective anodes Two protective anodes are installed in the DHW cylinder to protect it against corrosion One of the protective anodes has a consump tion indicator Check the protective anodes at regular intervals We recommend checking the protective anodes at the latest two years after commissioning f f Remove the lower front panel of the appliance Material l...

Page 48: ...4 cool WPC 05 WPC 05 cool WPC 07 WPC 07 cool WPC 10 WPC 10 cool WPC 13 WPC 13 cool b01 Entry electrical cables c01 Cold water inlet Diameter mm 22 22 22 22 22 c06 DHW outlet Diameter mm 22 22 22 22 22 c10 DHW circulation c12 Safety valve drain e01 Heating flow Diameter mm 22 22 22 22 22 e02 Heating return Diameter mm 22 22 22 22 22 f01 Heat source flow Diameter mm 28 28 28 28 28 f02 Heat source re...

Page 49: ...www stiebel eltron com WPC WPC cool 49 Installation Specification ...

Page 50: ...M 1 M 1 1 3 M4 M 1 X71 X72 X70 X69 X68 X67 X29 X73 X74 2 N PWM PWM GND GND 1 L X66 X65 X64 X63 X62 X61 X60 L 5 4 2 1 3 1 2 1 2 1 2 3 2 1 1 2 3 4 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 X28 1 13 2 14 3 4 5 6 7 8 9 T T T K2 3 2 K9 1 L1 L2 L3 N M5 nur cool M 1 3 2 1 sw br bl 14 4 3 2 1 13 12 11 10 1 1 2 3 4 5 6 3 2 K3 A A1 B A2 A B X23 p P3 X25 X24 N UP WW 3 5 6 4 2 1 K1 K5 K6 K7 3 2 1 3 2 1 2 1 6 ...

Page 51: ...low voltage X3 Terminals external power X4 Terminals external control X11 Plug temperature sensor WPM3i X12 Plug heat source temperature WPM3i X13 Plug mixer circuit temperature WPM3i X14 Plug remote control WPM3i X15 Plug bus WPM3i X20 Plug pumps and power OFF WPMm3i X21 Plug mixer control WPMm3i X22 Plug control X23 Earth block power supply X24 Earth block control unit X25 N block control unit X...

Page 52: ...7 B6 B8 B4 B9 M 1 M 1 K2 2 1 2 1 13 14 1 3 13 14 M4 M 1 X71 X72 X70 X69 X68 X67 X29 2 N PWM PWM ws PWM GND GND br GND 1 L X66 X65 X64 X63 X62 X61 X60 L 5 4 2 1 3 1 2 1 2 1 2 3 2 1 1 2 3 4 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 X28 1 1 2 2 3 4 5 6 7 8 9 T T T B1 T K9 L1 L2 L3 N M5 nur cool M 1 3 2 1 sw br gr 14 4 3 2 1 13 12 11 10 1 1 2 3 4 5 6 3 2 K3 A A1 B A2 A A2 A B X23 p P3 X25 X24 N UP WW ...

Page 53: ...minal block 14 pin X2 Terminals external low voltage X3 Terminals external power X4 Terminals external control X11 Plug temperature sensor WPM3i X12 Plug heat source temperature WPM3i X13 Plug mixer circuit temperature WPM3i X14 Plug remote control WPM3i X15 Plug bus WPM3i X20 Plug pumps and power OFF WPMm3i X21 Plug mixer control WPMm3i X22 Plug control X23 Earth block power supply X24 Earth bloc...

Page 54: ... Heating output kW power consumption kW coefficient of performance e X Inlet temperature of the WQA medium C 1 Flow temperature 35 C 2 Flow temperature 45 C 3 Flow temperature 55 C 4 Flow temperature 60 C Heating output 0 1 2 3 4 5 6 7 8 5 0 5 10 15 20 1 2 3 4 D0000033166 Power consumption 0 1 2 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 55: ...www stiebel eltron com WPC WPC cool 55 Installation Specification COP 0 1 2 3 4 5 6 7 8 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 56: ...ating output kW power consumption kW coefficient of performance e X Inlet temperature of the WQA medium C 1 Flow temperature 35 C 2 Flow temperature 45 C 3 Flow temperature 55 C 4 Flow temperature 60 C Heating output 0 1 2 3 4 5 6 7 8 9 10 5 0 5 10 15 20 1 2 3 4 D0000033166 Power consumption 0 1 2 3 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 57: ...www stiebel eltron com WPC WPC cool 57 Installation Specification COP 0 1 2 3 4 5 6 7 8 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 58: ...Heating output kW power consumption kW coefficient of performance e X Inlet temperature of the WQA medium C 1 Flow temperature 35 C 2 Flow temperature 45 C 3 Flow temperature 55 C 4 Flow temperature 60 C Heating output 0 2 4 6 8 10 12 14 5 0 5 10 15 20 1 2 3 4 D0000033166 Power consumption 0 1 2 3 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 59: ...www stiebel eltron com WPC WPC cool 59 Installation Specification COP 0 1 2 3 4 5 6 7 8 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 60: ...W power consumption kW coefficient of performance e X Inlet temperature of the WQA medium C 1 Flow temperature 35 C 2 Flow temperature 45 C 3 Flow temperature 55 C 4 Flow temperature 60 C Heating output 0 2 4 6 8 10 12 14 16 18 5 0 5 10 15 20 1 2 3 4 D0000033166 Power consumption 0 1 2 3 4 5 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 61: ...www stiebel eltron com WPC WPC cool 61 Notes COP 0 1 2 3 4 5 6 7 8 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 62: ...eating output kW power consumption kW coefficient of performance e X Inlet temperature of the WQA medium C 1 Flow temperature 35 C 2 Flow temperature 45 C 3 Flow temperature 55 C 4 Flow temperature 60 C Heating output 0 5 10 15 20 25 5 0 5 10 15 20 1 2 3 4 D0000033166 Power consumption 0 1 2 3 4 5 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 63: ...www stiebel eltron com WPC WPC cool 63 Installation Specification COP 0 1 2 3 4 5 6 7 8 5 0 5 10 15 20 1 2 3 4 D0000033166 ...

Page 64: ...l 8 0 10 0 8 0 10 0 8 0 10 0 8 0 10 0 8 0 10 0 Chloride mg l 30 30 30 30 30 Conductivity softening μS cm 1000 1000 1000 1000 1000 Conductivity desalinating μS cm 20 100 20 100 20 100 20 100 20 100 Oxygen 8 12 weeks after filling desalinating mg l 0 1 0 1 0 1 0 1 0 1 Oxygen 8 12 weeks after filling softening mg l 0 02 0 02 0 02 0 02 0 02 Hydraulic data Cylinder capacity l 175 175 175 162 162 Availa...

Page 65: ...ug in connection 28 mm 28 mm 28 mm 28 mm 28 mm DHW flow return plug in connection 22 mm 22 mm 22 mm 22 mm 22 mm Heating flow return plug in connection 22 mm 22 mm 22 mm 22 mm 22 mm DHW circulation connection 1 2 1 2 1 2 1 2 1 2 Values Flow rate heat source side m h 1 15 1 41 1 82 2 61 3 22 Rated heating flow rate m h 0 59 0 71 0 92 1 26 1 64 Heating flow rate min m h 0 47 0 57 0 75 1 00 1 29 Heati...

Page 66: ... 5 pH value without aluminium compounds mg l 8 0 10 0 8 0 10 0 8 0 10 0 8 0 10 0 8 0 10 0 Chloride mg l 30 30 30 30 30 Conductivity softening μS cm 1000 1000 1000 1000 1000 Conductivity desalinating μS cm 20 100 20 100 20 100 20 100 20 100 Oxygen 8 12 weeks after filling desalinating mg l 0 1 0 1 0 1 0 1 0 1 Oxygen 8 12 weeks after filling softening mg l 0 02 0 02 0 02 0 02 0 02 Hydraulic data Cyl...

Page 67: ...ow return plug in connection 28 mm 28 mm 28 mm 28 mm 28 mm DHW flow return plug in connection 22 mm 22 mm 22 mm 22 mm 22 mm Heating flow return plug in connection 22 mm 22 mm 22 mm 22 mm 22 mm DHW circulation connection 1 2 1 2 1 2 1 2 1 2 Values Flow rate heat source side m h 1 15 1 41 1 82 2 61 3 22 Rated heating flow rate m h 0 59 0 71 0 92 1 26 1 64 Heating flow rate min m h 0 47 0 57 0 75 1 0...

Page 68: ...68 WPC WPC cool www stiebel eltron com Notes ...

Page 69: ...www stiebel eltron com WPC WPC cool 69 Notes ...

Page 70: ...70 WPC WPC cool www stiebel eltron com Notes ...

Page 71: ...s of warranty No other warranty will be granted We shall not provide any warranty 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 After use dispose of the various materials in accordance with national regulations KYOTO R410A This d...

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