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10 Technical data

2017/07

99640141x-mub-en - V02

Technical data

Dimensions

FriwaMini

FriwaMini with circulation

Height (with insulation)

539 mm

Width

306 mm

344 mm

Depth (with insulation)

314 mm

Centre distance prim./sec.

90 mm

Pipe connections

Primary circuit (storage tank circuit)

¾" internal thread

Secondary circuit (DHW circuit)

¾" external thread, flat sealing

Secondary circuit (circulation)

—

¾" external thread,

flat sealing

Operating data

Max. admissible pressure

primary: 3 bars, secondary: 10 bars

Operating temperature

2 – 95 °C

Kvs value primary

3.1

Kvs value secondary

2.4

Equipment

Check valve

1 x 400 mm wc

Primary pump

HE pump with PWM control, 2-60 W

Secondary pump

—

HE pump with

PWM control, 2-52 W

Heat exchanger

50 plates

Flow rate sensor

1 x VFS 2-40 l/min

Temperature sensor

2 x Pt1000, rapid

Materials

Valves and fittings

Brass

Gaskets: o-rings

EPDM

Flat sealings

AFM 34, asbestos-free

Plate heat exchanger

Stainless steel 1.4401 / solder: 99.99% Cu

Insulation

EPP

Check valve

Hostaform

Содержание FriwaMini 6401410

Страница 1: ...one 49 5151 9856 0 Fax 49 5151 9856 98 E mail info paw eu Web www paw eu 2017 07 99640141x mub en V02 1 Installation and Operation Instructions Domestic hot water module FriwaMini DN 15 FriwaMini with circulation DN 15 FriwaMini FriwaMini with circulation ...

Страница 2: ...tem no 99640141x mub en Version V02 Issued 2017 07 Translation of the original instructions We reserve the right to make technical changes without notice Printed in Germany Copyright by PAW GmbH Co KG PAW GmbH Co KG Böcklerstraße 11 D 31789 Hameln Germany ...

Страница 3: ...mbly and installation specialist 11 7 Commissioning specialist 14 7 1 Filling the primary circuit 15 7 2 Commissioning of the controller 16 7 3 Maximum withdrawal flow rate 18 7 4 Adjustment of the temperature 20 8 Maintenance specialist 21 9 Spare parts specialist 22 9 1 Spare parts controller and insulation 22 9 2 Spare parts primary circuit 23 9 3 Spare parts secondary circuit 24 10 Technical d...

Страница 4: ...s of the system such as tanks controllers or pumps please observe the instructions of the corresponding manufacturer Station Item number Controller FC4 13 Pump prim sec Heat exchanger FriwaMini 6401410 Prim Grundfos UPM3 15 75 FlowEstimation 50 plates FriwaMini with circulation 6401415 Prim Grundfos UPM3 15 75 FlowEstimation 50 plates Sec Grundfos UPM3 15 70 CIL3 Carefully read these instructions ...

Страница 5: ... Temperature sensor in the heating circuit flow line Flow meter at the domestic hot water outlet Primary and circulation pump can be isolated Manual vent valve for venting the heat exchanger and the pump 1 3 Designated use The domestic hot water module must only be mounted in heating installations between the buffer tank and the domestic hot water circuit Due to its design the station must be moun...

Страница 6: ...TICE Material damage due to mineral oils Mineral oil products cause lasting damage to seals made of EPDM whereby the sealant properties get lost We do not assume liability nor provide warranty for damage to property resulting from sealants damaged in this way It is imperative to avoid that EPDM gets in contact with substances containing mineral oils Use a lubricant based on silicone or polyalkylen...

Страница 7: ...A Heat exchanger B Temperature sensor Pt1000 C Ball valve D Ball valve with check valve E Primary pump F Manual vent valve Equipment secondary circuit G Piston valve with drain valve cold water inlet H Piston valve with drain valve hot water outlet I Analogue flow rate sensor VFS 2 40 l min J Temperature sensor Pt1000 K Pressure relief valve 10 bars Only for the protection of the station Does not ...

Страница 8: ...an the installation WARNING Danger of scalding due to hot water Undesirable circulation of water in the primary circuit can cause the exit of water of up to 90 C at the withdrawal point External pumps must not be installed between the domestic hot water module and the buffer tank The domestic hot water module must not be connected to a distribution manifold of a heating circuit Mounting example Fr...

Страница 9: ... litre 50 C 1 2 litres 55 C 1 7 litre 70 C 50 C 0 9 litre 55 C 1 1 litre 60 C 1 3 litre 80 C 50 C 0 7 litre 55 C 0 9 litre 60 C 1 0 litre Calculation example for the dimensioning of the buffer tank Temperature of the buffer tank 60 C Maximum withdrawal quantity needed 20 l min Domestic hot water temperature set at the controller 45 C How large must the tank be to allow for a continuous withdrawal ...

Страница 10: ...eration mode the circulation is only activated if the adjustable minimum temperature at the circulation temperature sensor is not reached during the chosen period of operation The circulation stops after the required temperature has been reached or after the end of the chosen period of time The operating modes can be combined with each other as wished f ex the time and the temperature dependent op...

Страница 11: ...he station does not replace the safety groups of the potable water connection as per DIN 1988 The pressure relief valve only protects the module from overpressures in case of servicing NOTICE Damage to property If there are water supplies that may cause pressure surges for example flush valves washing machines or dishwashers connected to the same mains as the domestic hot water module we recommend...

Страница 12: ...t material damage of the installation 1 Determine the mounting location of the domestic hot water module near the buffer tank The pipes in the heating circuit must not exceed a length of 4 m for DN 20 2 Copy the measures for the mounting holes to the wall You can find a corresponding drilling template see on the right on the paper board under the domestic hot water module 3 Drill the holes and ins...

Страница 13: ... 1 mm recommended DN 25 28 x 1 5 mm 2 Primary side flow from the buffer tank connection internal thread pipes at least DN 20 22 x 1 mm recommended DN 25 28 x 1 5 mm 3 Secondary side hot water supply circulation connection external thread flat sealing 4 Secondary side cold water inlet connection external thread flat sealing 5 Secondary side hot water outlet connection external thread flat sealing P...

Страница 14: ...order to avoid unwanted gravity circulation For venting and flushing the installation the check valve must be open For this purpose turn the ball valve into the position 45 In this position the check valve is not operating For the operation of the installation all ball valves must be completely open position 0 Position 0 Position 45 Position 90 Check valve is operating flow only in flow direction ...

Страница 15: ...is reached Use heating water compliant with the standards VDI 2035 ÖNorm H5195 1 3 Manipulate the vent valve F cautiously to let the air escape 4 Close the vent valve F 5 Close the ball valve C by turning it into position 90 6 Slowly open the ball valve D by turning it into position 45 7 Manipulate the vent valve F cautiously to let the air escape 8 Close the vent valve F 9 Check the operating pre...

Страница 16: ... by using the premounted connection cable 2 Select Manual mode in the main menu of the controller and set the pump to HE1 PWM signal 100 see controller manual page 27 3 Let the pump run for several minutes to vent the domestic hot water module 4 When the air noises do not stop carefully manipulate the vent valve F while the pump is still running and let the air escape 5 If the air noises have stop...

Страница 17: ... about 2 minutes to vent the secondary circuit Close all withdrawal points of the secondary circuit afterwards 9 Make sure that the domestic hot water module is correctly integrated into the potential equalisation of the installation 10 Set the desired domestic hot water temperature at the controller see page 20 11 The domestic hot water module is now ready for operation Secondary circuit ...

Страница 18: ...estic hot water side of the DHW module 1000 mbars The following examples illustrate the correlation between the domestic hot water temperature the withdrawal flow rate and the temperature of the buffer tank and show their impact on the heat transfer capacity of the DHW module Example 1 Domestic hot water temperature at the withdrawal point 45 C Temperature in the buffer tank 50 C DHW module max wi...

Страница 19: ...t water temperature 45 C after heating to 60 C and addition of cold water 10 C Boundary conditions Cold water temperature 10 C Example 1 Domestic hot water temperature at the controller 60 C Temperature in the buffer tank 70 C DHW module max withdrawal flow rate 31 l min heat transfer capacity 77 kW Example 2 Domestic hot water temperature at the controller 60 C Maximum withdrawal flow rate 21 l m...

Страница 20: ...e at least 5 K above the desired domestic hot water temperature Secondary side The possible withdrawal flow rate l min at the tap depends on the domestic hot water temperature adjusted at the controller and on the temperature available in the buffer tank The recommended maximum domestic hot water flow rate through the domestic hot water module is 42 l min The following table illustrates the correl...

Страница 21: ...5 C 39 l min 39 l min 95 kW 50 C 32 l min 36 l min 89 kW 55 C 27 l min 34 l min 85 kW 60 C 22 l min 31 l min 77 kW 80 C 45 C 42 l min 42 l min 102 kW 50 C 40 l min 45 l min 112 kW 55 C 34 l min 43 l min 107 kW 60 C 29 l min 41 l min 101 kW at a cold water temperature of 10 C reheating not considered maximum flow rate 42 l min with pressure drop of the DHW module of 1000 mbars for hydraulic reasons...

Страница 22: ...e parts specialist NOTICE Complaints and requests orders of spare parts will only be processed with information on the serial number The serial number is placed in the lower right corner of the support sheet of the station 9 1 Spare parts controller and insulation ...

Страница 23: ...9 Spare parts specialist 2017 07 99640141x mub en V02 23 9 2 Spare parts primary circuit ...

Страница 24: ...9 Spare parts specialist 24 99640141x mub en V02 2017 07 9 3 Spare parts secondary circuit only included in the scope of delivery of 6401415 ...

Страница 25: ...xternal thread flat sealing Operating data Max admissible pressure primary 3 bars secondary 10 bars Operating temperature 2 95 C Kvs value primary 3 1 Kvs value secondary 2 4 Equipment Check valve 1 x 400 mm wc Primary pump HE pump with PWM control 2 60 W Secondary pump HE pump with PWM control 2 52 W Heat exchanger 50 plates Flow rate sensor 1 x VFS 2 40 l min Temperature sensor 2 x Pt1000 rapid ...

Страница 26: ...10 Technical data 26 99640141x mub en V02 2017 07 10 1 Dimensional drawing 10 2 Pressure drop characteristic curve Pressure m wc Pressure kPa Flow rate l h ...

Страница 27: ...lled components Return distribution set Miscellaneous Have both circuits been flushed and vented correctly no air noises in the pump Vented Are all shut off valves open in the cold water line Open Is there a pressure of at least 1 5 bars on the primary side Checked Is there a pressure of at least 2 5 bars on the secondary side Checked Is the potential equalisation processed according to regulation...

Страница 28: ...PAW GmbH Co KG Böcklerstraße 11 D 31789 Hameln Germany www paw eu Phone 49 0 5151 9856 0 Fax 49 0 5151 9856 98 99640141x mub en V02 2017 07 ...

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