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EN

ENGLISH

HIU2VSAI-HIU2VSUI-IM-DE-W-UK-07-2021-Rev1 | Part no. 10081491

2 Safety

2.1  Safety notices

DANGER indicates an imminent danger 
that may cause serious physical injury or 
death if the appropriate safety precau-
tions are not in place.

WARNING indicates a danger arising 
through incorrect behaviour (e.g. misuse, 
disregarding notices, etc.) that may cause 
serious physical injury or death.

CAUTION indicates a potentially 
dangerous situation that may cause minor 
or slight injuries if the appropriate safety 
precautions are not in place.

NOTICE indicates a situation that 
may cause material damage if the 
corresponding precautions are not taken.

2.2  Important safety information

•  Read this operating manual carefully before use.

•  Maintenance, cleaning and repair work may be carried out 

by trained specialist personnel only.

•  If the combi-cabinet is damaged or is not functioning 

correctly, it must no longer be used. In this case, contact 
your specialist dealer immediately.

•  Observe the maintenance instructions and intervals.

•  Protect the combi-cabinet against the effects of weather.

•  Never use the combi-cabinet outdoors.

•  The combi-cabinet may only be used in accordance with its 

intended use.

2.3  Intended use

Combi-cabinet for the installation of the HIU 2 Heat Interface 
Unit and hydraulic accessories.

The combi-cabinet is not intended for use by persons (including 
children) with reduced physical, sensory or mental capabilities, 
or lack of specialist knowledge or experience.

2.4  Foreseeable misuse

The following is regarded as foreseeable misuse:

•  operating the combi-cabinet contrary to the specifications

•  using the combi-cabinet not as intended

•  making modifications to the combi-cabinet not agreed with 

the manufacturer

•  using replacement or wear parts not approved by the 

manufacturer

•  operating the combi-cabinet outdoors (parts and 

components are not UV-resistant)

2.5  Operator’s responsibility

The operator must ensure that:

•  the combi-cabinet is only used for its intended purpose

•  the combi-cabinet is installed, operated and maintained 

according to the specifications in the Installation and 
Operating Manual

•  the combi-cabinet is only operated according to local 

directives and occupational health and safety regulations

•  all precautions have taken to avoid hazards originating from 

the combi-cabinet

•  all precautions for first aid and fire suppression are carried 

out

•  only authorized and trained users have access to and 

operate the combi-cabinet

•  users have access to this Installation and Operating Manual 

at all times

Summary of Contents for 10085022

Page 1: ... and HIU2VSUI Wall mounted and flush mounted combi cabinets for HIU 2 Heat Interface Unit with or without insulation Installation and operating manual translated from the original operating manual WattsWater eu ...

Page 2: ...c Incorrect operation or operating the system contrary to the specifications shall void all rights to any warranty claim This Installation and Operating Manual is part of the combi cabinet contains instructions and information for the safe and correct installation and commissioning of the combi cabinet must be available to all users throughout the entire service life of the combi cabinet is intend...

Page 3: ...ance with its intended use 2 3 Intended use Combi cabinet for the installation of the HIU 2 Heat Interface Unit and hydraulic accessories The combi cabinet is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of specialist knowledge or experience 2 4 Foreseeable misuse The following is regarded as foreseeable misuse operating the combi ...

Page 4: ...ork on the combi cabinet and detecting and preventing potential hazards taking into consideration the applicable standards provisions regulations and laws and his her technical training and technical knowledge 3 Installation and commissioning Installation and commissioning of the combi cabinet must be performed exclusively by specialist personnel who have been duly trained and authorized by the ma...

Page 5: ...ed Type without insulation Type with insulation A mm B mm C mm HIU2VSU 2 HIU2VSUI 2 600 550 48 HIU2VSU 3 HIU2VSUI 3 750 700 198 HIU2VSU 4 HIU2VSUI 4 900 850 348 HIU2VSU 5 HIU2VSUI 5 1100 1050 548 A B 241 5 425 5 502 1539 5 50 100 100 C 100 100 50 46 82 60 120 66 60 60 54 50 100 100 C 100 100 50 170 150 1515 503 773 264 93 93 47 719 ...

Page 6: ...screw connection 35 Nm 1 screw connection 55 Nm 3 2 Mounting the HIU2 combi cabinet 1 Mount the combi cabinet see installation diagram on page 4 and 5 1 Heating flow circuit 2 Heating return circuit 3 DHW outlet 4 Domestic water circulation inlet 5 Domestic cold water outlet 6 Domestic cold water inlet 7 Primary flow 8 Primary return 1 2 3 4 5 6 7 8 ...

Page 7: ...G3 4 35 Nm G3 4 35 Nm 7 EN ENGLISH HIU2VSAI HIU2VSUI IM DE W UK 07 2021 Rev1 Part no 10081491 2 Option Install the thermal circulation bypass 3 Connect pipes ...

Page 8: ...8 HIU2VSAI HIU2VSUI IM DE W UK 07 2021 Rev1 Part no 10081491 EN ENGLISH 4 Install the HIU 2 Heat Interface Unit G3 4 35 Nm G1 55 Nm ...

Page 9: ...SU combi cabinets HIU 2 HK Isomix shown without HIU 2 Heat Interface Unit HT HIU 2 HK Isomix shown with HIU 2 Heat Interface Unit HT 3 4 35 Nm 1 55 Nm HT HT HIU 2 HKM shown without HIU 2 Heat Interface Unit HT HT HIU 2 HKM shown with HIU 2 Heat Interface Unit HT 3 4 35 Nm 1 55 Nm HT HT HT HT High temperature connection ...

Page 10: ...iable manufacturing faults Warranty claims due to defects or defects of title may be asserted within one 1 year of delivery transfer of risk Excluded from the warranty are damages attributable to normal product wear or friction and damages resulting from modifications or non authorized repairs on the products for which WATTS rejects all claims for compensation direct or indirect For more detailed ...

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