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IM-HKM40-50_HK40-50-DE-W-UK-12-2019-Rev.1 |  Part no. 10083684

EN

ENGLISH

3  Safety

3.1  Safety notices

DANGER indicates an imminent danger that 
may cause serious physical injury or death 
if the appropriate safety precautions 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.

3.2  Important safety information

•  Read this operating manual carefully before use.

•  Only connect this pump unit to a power supply which 

matches the supply voltage stated on the pump unit's data 
plate.

•  The power supply on the pump unit must be disconnected 

before completing any maintenance, cleaning or repair 
work.

•  Maintenance, cleaning and repair work may be carried out 

by trained specialist personnel only.

•  If the pump unit 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 pump unit against the effects of weather.

•  Never use the pump unit outdoors.

•  The device set may only be used in accordance with its 

intended use.

3.3  Intended use

This pump unit is intended for distributing heating water in 
heating systems.

The pump unit is completely pre-assembled, ready to install.

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

3.4  Foreseeable misuse

The following is regarded as foreseeable misuse:

•  operating the pump unit contrary to the specifications.

•  using the pump unit for use other than its intended use.

•  making modifications to the pump unit not agreed with the 

manufacturer.

•  using replacement or wear parts not approved by the 

manufacturer.

•  operating the pump unit outdoors (parts and components 

are not UV-resistant).

3.5  Operator’s responsibility

The operator must ensure that:

•  the pump unit is only used for its intended purpose.

•  the pump unit is installed, operated and maintained 

according to the specifications in the Installation and 
Operating Manual.

•  the pump unit is only operated according to local directives 

and occupational health and safety regulations.

•  all precautions have taken to avoid hazards originating from 

the pump unit.

•  all precautions for first aid and fire suppression are carried 

out.

•  only authorised and trained users have access to and 

operate the pump unit.

•  users have access to this Installation and Operating Manual 

at all times.

3.6 Users

Only qualified persons may operate the pump unit or carry out 
service and maintenance work.

Operators

An operator is deemed to be qualified if they have read 
this operating manual and understood the potential hazards 
associated with improper behaviour.

Fitters/commissioners

Due to their technical training, expert knowledge and 
consideration of the relevant standards, provisions, regulations 
and laws, fitters/commissioners are able to carry out work on 
the pump units and to identify and prevent potential hazards.

Summary of Contents for HK40 Series

Page 1: ...HKM40 50 HK40 50 Series Pump units for distributing heating water in heating systems Installation and operating manual WattsWater de...

Page 2: ...facturer 12 9 Warranty 12 1 General information 1 1 Important notes about the Installation and Operating Manual The operator is responsible for ensuring adherence to the local laws and regulations e g...

Page 3: ...n Dimensions Width x height x depth with EPP shell 720 mm x 410 mm x 260 mm Weight DN40 DN50 HKM 40 50 Magna3 HKM 40 50 Stratos PARA HKM 40 50 without pump HK 40 50 Magna3 HK 40 50 Stratos PARA HK 40...

Page 4: ...dy to install The pump unit is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of specialist knowledge or experience 3 4 Foreseeable mis...

Page 5: ...ENGLISH 4 Construction HKM40 50 pump unit Compact design Thermometer on the ball valve 3 way mixing valve with actuator HK40 50 pump unit Compact design Thermometer on the ball valve Ball valve with...

Page 6: ...ke return 2 Ball valve supply 3 Circulation pump 4 Return inlet 5 Supply outlet 6 Return outlet 7 Supply inlet 8 3 way mixing valve 9 Actuator 10 Connecting pipe 4 2 HK40 50 1 Ball valve with gravity...

Page 7: ...e 1 screw fittings 130 Nm 2 screw fittings 190 Nm Requirements The fittings are preassembled at the factory however the tightness of the seal is to be checked before commissioning pressure test 5 2 St...

Page 8: ...parts must be carried out only by trained electricians Disconnect the power supply to the unit before carrying out any installation maintenance cleaning or repair work and secure it against reconnect...

Page 9: ...IM HKM40 50_HK40 50 DE W UK 12 2019 Rev 1 Part no 10083684 9 EN ENGLISH 6 Performance curve Pressure drop Flow rate with mixer with mixer Pressure drop for Pressure loss for Pressure drop Flow rate...

Page 10: ...Functional check Check the correct adjustment and operating and performance parameters Check for noisy operation Check with the user in the event of anomalies 3 Ball valves Check for correct operatio...

Page 11: ...open the ball valve using the lever 5 Slowly pressurise the pump unit and bleed the system if necessary 6 Check the seals on the pump unit are not leaking 7 Reconnect the power supply to the pump uni...

Page 12: ...the pump unit in the correct way or engage a specialist company to do this 3 Separate the subassemblies and components into recyclable materials and operating materials 4 Dispose of the subassemblies...

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