Watts HIU 2 HK Installation And Operating Manual Download

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HIU2-IM-DE-W-DE-08-2018-Rev1_DE-enUS | Art. No. 10078860

ENGLISH

8 Spare parts list

Spare part

Art. No:

Vent valve

1/2”

10001506

3-way valve

DN25

10001552

Dirt trap 3/4”

10017599

Balancing valve

for membrane regulator

10080350

Combination membrane
regulator

0.1-0.3 bar

10080351

2-way zone valves DN25

10046053

Actuating drive

230V 50Hz

10080349

Flow switch FS-01

3/4” female thread x 3/4”
male thread

10080352

Plate heat exchanger

XB06H-1-26, 4x3/4“, copper
brazed

10080356

Plate heat exchanger

XB06H-1-26, 4x3/4“, stain-
less-steel brazed

10080358

Plate heat exchanger

XB06H-1-36, 4x3/4“, copper
brazed

10080355

Plate heat exchanger

XB06H-1-36, 4x3/4“, stain-
less-steel brazed

10080357

Ball valve 1” red

10080359

Ball valve 1” blue

10080360

Ball valve 3/4” red

10080361

Ball valve 3/4” blue

10080362

Adapter

3/4”; 110mm

10080363

Thermostatic head K [1-5]

incl. spiral immersion sensor

10080354

Actuator

230 V

10080348

3-way mixer

Kvs 4.0

10080053

Pump, UPM3 Auto L15-70

1”; 130 mm

10080353

Summary of Contents for HIU 2 HK

Page 1: ...generation and heat distribution Installation and Operating Manual translated from the original operating manual Issued 08 2018 Revision 1 Watts Industries Deutschland GmbH Godramsteiner Hauptstr 167 76829 Landau Tel 49 0 6341 96560 wide wattswater com WattsWater de ...

Page 2: ...on regulations etc Incorrect operation or operating the HIU 2 contrary to the specifications shall void all rights to any warranty claim This installation and operating manual is a component of the HIU 2 contains instructions and information on safe and correct installation and commissioning of the HIU 2 must be available to all users throughout the entire service life of the HIU 2 is intended for...

Page 3: ...HIU2 IM DE W DE 08 2018 Rev1_DE enUS Art No 10078860 3 EN ENGLISH 1 4 Product marking ...

Page 4: ...g HK12 HK17 HKM12 HKM17 approx 15 kg 16 Kg 18 Kg 19 kg Connections to pipe network Heat interface unit 1 male thread and male thread flat sealing Meter connections Adapter for heat meter 110 mm G Adapter for cold water meter 110 mm G Materials Pipes Stainless steel Ø22 Ø27 mm Fittings Brass Seals AFM34 2 and EPDM Plate heat exchanger stainless steel EN 1 4404 copper solder optional stainless steel...

Page 5: ... 2 outdoors The unit may be used only in accordance with its intend ed use 3 3 Intended use Ready to install compact decentralized heat interface unit for hygienic domestic hot water generation and heat distribution in single family houses and townhouse systems as well as for use in multi story apartment blocks The HIU 2 is not intended to be operated by people includ ing children with physical se...

Page 6: ...o consideration the applicable standards provisions regu lations and laws and his her technical training and technical knowledge to carry out work on the HIU 2 and to detect and prevent potential hazards 3 7 Information on the operating environment Limescale deposits from hard water and corrosion as well as chemical and physical reactions can cause damage to the home station The selection of mater...

Page 7: ...ers Optional Water hammer arrestor Art No 10079166 Circulation set Art No 10080335 Thermostatic circulation bridge Art No 10079903 HIU 2 HKM 10079851 HIU 2 HKM 12 CU 10079892 HIU 2 HKM 12 STS 10078463 HIU 2 HKM 17 CU 10079894 HIU 2 HKM 17 STS For heating and drinking water heating Hot water priority circuit Differential pressure control Pre installed adapters for heat meters and cold water meters ...

Page 8: ...8 HIU2 IM DE W DE 08 2018 Rev1_DE enUS Art No 10078860 EN ENGLISH 4 1 Hydraulic diagram HIU 2 HK Optional Optional 490mm 130mm 705mm Optional 500mm 140mm 705mm HIU 2 HKM ...

Page 9: ... 8 Actuating drive 9 Flow switch 10 Connection for supply temperature sensor of the heat meter 11 Dirt trap 12 Membrane regulator differential pressure regulator 13 Circulation set optional 14 Zone valve heating circuit 15 Adapter for cold water meter 16 Adapter for heat meter connector 17 Supply heating circuit 18 Return heating circuit 19 Domestic hot water outlet 20 Domestic water circulation i...

Page 10: ... drive 9 Flow switch 10 Connection for supply temperature sensor of the heat meter 11 Dirt trap 12 Membrane regulator differential pressure regulator 13 Circulation set optional 14 15 Adapter for cold water meter 16 Adapter for heat meter connector 17 Supply heating circuit 18 Return heating circuit 19 Domestic hot water outlet 20 Domestic water circulation inlet 21 Domestic cold water outlet 22 D...

Page 11: ...and flow directions of the parts being replaced Material damage Pressure shocks may occur if the stop valve is opened quickly Always open the stop valve slowly and in a controlled way Bad water quality Hard water causes limescale deposits in the HIU 2 and diminishes the quality of the water Measure the water hardness in the supply system Install a water softening unit from a degree of hardness of ...

Page 12: ...Observe the recognized rules of technology when doing so 1 Insert the HIU 2 and connect to the connection rail Optional 2 Install the water hammer arrestor circulation set and circulation manifold 3 Connection to power mains 230V 4 Set the desired tapping temperature on the thermostatic head X X Setting at max flow rate with a supply temperature of 65 C Scale 1 I 2 I 3 I 4 I 5 approx C 34 37 41 44...

Page 13: ... C 55 C 60 C 50 C Heat interface unit HIU 2 26 plates 12 l min 200 mbar DHW temperature secondary circuit with various primary supply temperatures Heat interface unit HIU 2 36 plates 17 l min 200 mbar DHW temperature secondary circuit with various primary supply temperatures DHW temp C DHW temp C tapping rate l min tapping rate l min ...

Page 14: ... 000 10 000 Druckabfall mbar Durchfluss L h Sekundäre Seite Trinkwasser warm 26 Platten 12 l min Kvs Wert 2 2 m h gestrichelte Linie 36 Platten 17 l min Kvs Wert 2 5 m h durchgehende Linie Pressure drop mbar Pressure drop mbar 26 plates 12 l min Kvs value 1 35 m h dotted line 36 plates 17 l min Kvs value 1 42 m h solid line Secondary circuit domestic hot water 26 plates 12 l min Kvs value 2 2 m h ...

Page 15: ... Linie HIU 2 HK Kvs Wert 1 7 m h durchgehende Linie 1 10 100 1 000 10 100 1 000 10 000 Druckabfall mbar Durchfluss L h Sekundäre Seite Trinkwasser kalt Kvs Wert 6 5 m h Pressure drop mbar Pressure drop mbar Primary circuit demand heating heat interface unit HIU 2 HKM Kvs value 1 6 m h dotted line HIU 2 HK Kvs value 1 7 m h solid line Secondary circuit domestic cold water Kvs value 6 5 m h Flow rat...

Page 16: ...perating and performance parameters are set correctly Check flow noise during operation Ask users if there are any noticeable problems 3 Ball valves Check that stop valves and ball valves can move freely 4 Dirt trap Check and clean the dirt trap 5 Plate heat exchanger Check the plate heat exchanger for limescale deposits and clean if necessary 6 Actions following maintenance work Check that all sc...

Page 17: ...ning 4 Slowly open the stop valves and vent the system 7 4 Replacing the plate heat exchanger 1 Close all stop valves 2 Depressurize the HIU 2 e g by opening the vent valve 3 Loosen the nuts pos A and remove the plate heat exchanger A A 4 Replace all seals 5 Insert the new plate heat exchanger and tighten the nuts pos A Refer to the Technical data chapter for the torque 6 Slowly open the stop valv...

Page 18: ...x 3 4 male thread 10080352 Plate heat exchanger XB06H 1 26 4x3 4 copper brazed 10080356 Plate heat exchanger XB06H 1 26 4x3 4 stain less steel brazed 10080358 Plate heat exchanger XB06H 1 36 4x3 4 copper brazed 10080355 Plate heat exchanger XB06H 1 36 4x3 4 stain less steel brazed 10080357 Ball valve 1 red 10080359 Ball valve 1 blue 10080360 Ball valve 3 4 red 10080361 Ball valve 3 4 blue 10080362...

Page 19: ...would like to return the HIU 2 or parts of it 9 2 Reporting to administrative bodies and the manufacturer Inform the manufacturer about decommissioning and disposal of the HIU 2 for statistical purposes 10 Warranty WATTS products are tested extensively WATTS therefore guarantees only the replacement or at the sole discretion of WATTS the free of charge repair of components of the supplied products...

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