Weishaupt WHI freshaqua 44, Manual

Page 1: ...Mounting and operating instructions Fresh water station WHI freshaqua 44 Fresh water station WHI freshaqua 55 83514402 1 2017 08 ...

Page 2: ...issuing this conformity declaration lies with the manufacturer The content of the statement described above complies with the relevant harmonisation legislation of the European Union EMC 2014 30 EU LVD 2014 35 EU Standard applied EN 60335 1 Schwendi 17 08 2016 Signed for and on behalf of MAX WEISHAUPT GMBH ppa Dr Schloen Manager research and Development ppa Denkinger Manager Production and Quality...

Page 3: ...3 3 Technical Data 9 3 4 Technical Data Pumps 11 3 5 PWM input signal solar profile 11 3 6 Hydraulic performance data 12 4 Dimensioning and Planning 13 4 1 Dimensioning the storage 15 4 2 Circulation mode 16 5 Installation 17 5 1 Assembly 18 5 2 Connection 19 5 3 Controller connection 20 6 Operation 20 7 Commissioning 21 7 1 Filling the primary circuit 22 7 2 Commissioning the controller 23 7 3 Ma...

Page 4: ...personnel It must be observed by anyone working on the machine Work on the machine may only be performed by persons that have received the required training or instruction Persons with restricted physical sensory or mental abilities may work on the machine if supervised or instructed by an authorized person Children may notplay with the machine 1 2 Warranty and liability Warranty and lilability cl...

Page 5: ...s are made ofrecyclable materials thatcan be recycled by standard recycling operations 2 2 Safety instructions The following mustbe observed during installation and commissioning Relevantlocal and national regulations Accidentprevention regulations ofthe employers liability insurance association Instructions and safety instructions mentioned in these instructions WARNING Risk of scalding from hot ...

Page 6: ... potential equalisation ofthe electrical installation If this is not ensured by the connected pipework then establish a correct potential equalisation connection to the main potential connection 2 3 Safety measures Immediately eliminate safety relevantdefects and replace safety relevantcomponents when they have reached the end of their service life due to their construction 2 4 Electrical connecti...

Page 7: ...rs on the heating supply Temperature sensor on the warm domestic water outlet Flow meter on the warm domestic water outlet Fill and drain valve for draining the heat exchanger and the pump Vent plug for venting the heat exchanger Connections 1 Primary side return to buffer tank 2 Secondary side cold water inlet 3 Secondary side hot water outlet 4 Primary side supply from buffer tank Equipment A Ba...

Page 8: ...he speed of the highly efficient EC pumps of the latest generation is controlled by a high performance closed loop control always allowing the heating flow rate to be optimally setto the current tap capacity The closed loop control receives the necessary information for adjusting the system from a flow rate sensor and extremely fast temperature sensors that detect the smallest temperature deviatio...

Page 9: ...G female thread Operating data Max admissible pressure primary 6 bars secondary 10 bars Min flow rate 1 l min Operating temperature 2 95 C Max power Qmax 153 kW at flowprim 75 C DHWsec 60 C DCWsec 10 C 192 kW at flowprim 75 C DHWsec 60 C DCWsec 10 C Flow rate at Qmax primary 2500 l h secondary 44 l min primary 3000 l h secondary 55 l min Operating temperature sensors 25 C to 120 C Equipment Safety...

Page 10: ...er soldering WHI freshaqua 44 1 and 55 3 Plates connecting pieces 1 4401 AISI 316 Solder 99 99 pure copper Heat exchanger with nickel soldering WHI freshaqua 44 2 and 55 4 Plates connecting pieces 1 4401 AISI 316 Solder 99 99 nickel Admissible medium WHI freshaqua 44 1 and 55 3 primary heating water according to VDI 2035 Ö Norm H 5195 1 secondary domestic water with a max chloride content 80 ppm A...

Page 11: ...Connections 1 male thread Protection class IP 44 IPX2D Max pressure 1 0 MPa 10 bars Max temperature 95 C TF 95 I 1 1 0 04 0 52 A 0 06 1 16 A P1 3 70 W 6 140 W Use in WHI freshaqua 44 Prim WHI freshaqua 55 Prim Prim Primary side accumulator circuit 3 5 PWM input signal solar profile PWM input signal Pump status 6 Standby 6 8 Hysteresis 9 15 Min speed 16 90 Linear increase in speed from rpm min to r...

Page 12: ... 2017 08 Ext PAW 12 36 3 6 Hydraulic performance data WHI freshaqua 44 WHI freshaqua 55 Residual feed pressure or pressure drop mbars Flow rate l h Heating UPM2 25 75LowFlow Circulation UPM215 75CIL Pressure drop DW side Residual feed pressure or pressure drop mbars Flow rate l h Pressure drop DW side Circulation UPM215 75CIL Heating UPML 25 105 ...

Page 13: ...d between the fresh water station and the buffer tank The fresh water station must not be connected to a heating circuitdistributor The WHI freshaqua stations in the following table differ in the soldering material used for the plate heat exchangers The choice of the heat exchanger depends on the requirements ofthe installation location Depending on the chemical composition ofthe water on the inst...

Page 14: ...4402 1 2017 08 Ext PAW 14 36 Assembly example Fresh water station with optional circulation kit item no 40900015462 and with optional return distribution In order to guarantee optimum closed loop control where possible no hydraulic pressure drop should occur on the primary side e g from the installation of a mud strainer dirt trap or mixing valve ...

Page 15: ...torage volum e per litre hot water 50 C 45 C 1 3 litres 45 C 0 8 litres 60 C 50 C 1 0 litres 55 C 1 4 litres 45 C 0 7 litres 70 C 50 C 0 8 litres 55 C 0 9 litres 45 C 0 5 litres 80 C 50 C 0 6 litres 55 C 0 7 litres Calculation example for dimensioning the buffer tank Buffer tank temperature 60 C Required tapped flow rate at the tap 20 l min DHW temperature seton the controller 45 C How large does ...

Page 16: ...eriod The circulation is switched off after the set time period has elapsed Temperature dependent operation With this operating mode the circulation is only started if the minimum temperature that can be set on the circulation temperature sensor is not exceeded within the operating period The circulation is switched off after reaching the nominal temperature thatcan be set or after the set time pe...

Page 17: ...ted into the station does not replace the safety equipmentofthe domestic water connection according to DIN 1988 The safety valve merely protects the station from excess pressures when maintenance is required The discharge lines of the pressure reliefvalves must be conducted into appropriate collecting containers The corresponding norms mustbe respected Fresh water station Service water fitting Dra...

Page 18: ...tbe guaranteed atall times during operation If tapping points are connected to the same network as the fresh water station in which pressure surges are possible e g flushing valves washing machines or dishwashers we recommend the installation ofwater hammer dampers near the device causing the pressure surges 1 Determine the installation location ofthe fresh water station near to the buffer tank Wi...

Page 19: ...haqua 55 2 male thread flat sealing Piping WHI freshaqua 44 min DN 25 28 x 1 5 mm WHI freshaqua 55 min DN 32 35 x 1 5 mm 2 Secondary side cold water inlet Connection WHI freshaqua 44 1 male thread flat sealing Connection WHI freshaqua 55 1 male thread flat sealing 3 Secondary side hot water outlet Connection WHI freshaqua 44 1 male thread flat sealing Connection WHI freshaqua 55 1 male thread flat...

Page 20: ... station controller Connectthe fresh water station to the power supply system 230 V 50 Hz only after completing all installation tasks filling and flushing This avoids an unintentional startof the motors The plug in pump lines are permanently supplied with a mains voltage of 230 V and cannotbe switched off via the controller The fresh water station is pre wired in the factory When using the circul...

Page 21: ...y circuitare equipped with a check valve in order to prevent an undesired gravity circulation The check valve mustbe open for venting and flushing the system For this purpose turn the ball valve to position 45 The check valve is not in operation All ball valves and valves mustbe open completely for operating the system position 0 Ball valve with integrated check valve Normal direction offlow in th...

Page 22: ...wly by turning it to the 0 position 2 Fill the tank with the filling valves and fittings installed on site until an operating pressure of approx 1 5 bars is reached Use heating water according to VDI 2035 ÖNorm H5195 1 3 Actuate the vent valve H carefully and allow the air to escape 4 Close the vent valve H 5 Close ball valve J by turning it to the 90 position 6 After venting check the operating p...

Page 23: ...r to vent the fresh water station 7 If you can still hear air sounds after this actuate vent valve H carefully when the pump is still running and allow the air to escape 8 If you cannothear any air noises anymore turn off the pump For this purpose select manual mode H1 in the selection menu of the controller 9 Set the pump to automatic mode A 10 Open the warm domestic water tapping point e g tap w...

Page 24: ...water side of the WHI freshaqua 1000 mbars The correlation between the individual variables hotwater temperature tapped flow rate and buffer tank temperature is explained and shown on the basis of the following exam ples such as which effect they have on the transmission power ofthe WHI freshaqua Example 1 Hot water temperature atthe tapping point 45 C Temperature in the buffer tank 60 C WHI fresh...

Page 25: ...0 C and adding cold water 10 C Buffer tank temperature Boundary conditions Cold water temperature 10 C Example 1 Hot water temperature on the controller 60 C Temperature in the buffer tank 70 C WHI freshaqua 44 maximum tapped flow rate 53 l min transmission power 129 kW WHI freshaqua 55 maximum tapped flow rate 82 l min transmission power 200 kW Example 2 Hot water temperature on the controller 60...

Page 26: ...rimary side The temperature in the buffer tank required on the primary side depends on the hot water temperature as well as the tapping quantity required The temperature in the buffer tank mustbe at least 5 K above the desired hotwater temperature Secondary side The possible tapped flow rate l min at the tap depends on the water temperature seton the controller and the temperature available in the...

Page 27: ...reshaqua 55 WHI freshaqua 44 WHI freshaqua 55 50 C 45 C 32 l min 50 l min 79 kW 122 kW 60 C 45 C 50 l min 77 l min 121 kW 187 kW 50 C 40 l min 62 l min 45 l min 70 l min 111 kW 172 kW 55 C 30 l min 47 l min 39 l min 60 l min 95 kW 147 kW 70 C 45 C 64 l min 88 l min 155 kW 214 kW 50 C 54 l min 83 l min 61 l min 94 l min 149 kW 230 kW 55 C 45 l min 70 l min 57 l min 89 l min 141 kW 218 kW 60 C 37 l ...

Page 28: ...in maintenance However as partof the annual inspection ofthe domestic water system the following items should be checked observed Check all connections for leaks Check the safety equipment Perform a functional check and check the setting parameters Plausibility check of the control parameters and nominal values Check the heat exchanger for dirt and functioning We recommend concluding a maintenance...

Page 29: ...llation and operating instructions Fresh water station WHI freshaqua 44 Fresh water station WHI freshaqua 55 9 Spare parts 83514402 1 2017 08 Ext PAW 29 36 9 Spare parts 9 1 Spare parts list WHI freshaqua 44 ...

Page 30: ...25 75 LowFlow 40900019352 9 Seal 21 x 30 x 2 1 AFM34 2 40900021117 10 Seal 32 x 44 x 2 1 AFM34 2 40900021147 11 Fresh water controller FC3 8 660346 12 Name plate WHI freshaqua 44 1 40900015357 Name plate WHI freshaqua 44 2 40900019037 13 Cover screw G A 40900015257 14 Bleed plug G A 40900015277 15 Reducing piece G A X G I 40900015267 16 Thermo handle weishaupt 48002003132 Not shown in drawing Heat...

Page 31: ...Installation and operating instructions Fresh water station WHI freshaqua 44 Fresh water station WHI freshaqua 55 9 Spare parts 83514402 1 2017 08 Ext PAW 31 36 9 2 Spare parts list WHI freshaqua 55 ...

Page 32: ...5 40900019232 9 Reducing piece G A X G I 40900015267 10 Seal 21 x 30 x 2 1 AFM34 2 40900021117 11 Seal 27 x 38 x 2 1 AFM34 2 40900021137 12 Seal 32 x 44 x 2 1 AFM34 2 40900021147 13 Fresh water controller FC3 8 660346 14 Name plate WHI freshaqua 55 3 40900019147 Name plate WHI freshaqua 55 4 40900019157 15 Cover screw G A 40900015257 16 Bleed plug G A 40900015277 17 Thermo handle weishaupt 4800200...

Page 33: ...w item no 40900015017 on WHI freshaqua optionally available as accessory Inflammable valves for germ free sampling ofwater samples according to German Drinking Water Ordinance Mounted laterally on the piston valves 10 2 Circulation set The fresh water stations WHI freshaqua 44 as well as WHI freshaqua 55 can be subsequently equipped with a circulation kit w item no 40900015462 for internal retrofi...

Page 34: ...l m Secondary pipeline mm l m Other installations Circulation set Revolution speed ofcirculation pump Return distribution set Miscellaneous Are both circuits correctly flushed and vented No air sounds in the pump Vented Are all shut off valves and fittings in the cold water line open Open Is there a minimum pressure of1 5 bars available on the primary side Checked Is there a minimum pressure of2 5...

Page 35: ...Installation and operating instructions Fresh water station WHI freshaqua 44 Fresh water station WHI freshaqua 55 12 Notes 83514402 1 2017 08 Ext PAW 35 36 12 Notes ...

Page 36: ...al fuel burners operate reliably Solar systems The stylishflat plate collectors are the ideal complement for any Weishaupt heating system They aresuitable for solar water heating and for combined heating support With versions for on roof in roof and flat roof installations solar energy can be utilised on almost any roof multiflam Burners up to 17 000 kW This innovative Weishaupt technology for med...