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

3

EN

ENGLISH

2  Technical features

Hydraulic data

HKM40/HK40 and HKM50/HK50

Max. operating pressure 

6 bar 

Min. ambient temperature

-10 °C (note pump specification)

Max. ambient temperature 

+40 °C (note pump specification) 

Min. operating temperature

+2 °C (note pump specification)

Max. operating temperature 

+90 °C (note pump specification)

Centre distance

180 mm

Gravity brake closing pressure

10 mbar

Temperature display range

0 - 120 °C

Media

Water or water with glycol as per VDI (Association of German Engineers) 2035 / ÖNORM 

(Austrian standard) H 5195

Electrical connection

Power supply

See separate pump documentation

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 40/50 without pump

33.1 kg / 34.5 kg 

25.3 kg / 31.2 kg 

16.7 kg / 17.7 kg 

29.8 kg / 31.5 kg 

22.7 kg / 28.4 kg 

13.3 kg / 13.5 kg

Connections to pipe network

 

2” male thread, flat sealing (190 Nm) 

Materials

Return pipes

Tubular steel ø 60 mm

Fittings 

Brass CW617N 

Seals 

AFM34/2

Insulation 

EPP 

Gravity brake

POM, NBR, stainless steel

Plastics

impact-resistant and temperature-resistant

O-rings

EPDM

Tightening torques for screw fittings

 

1½“; 130 Nm 

2”; 190 Nm

Circulation pump

Technical information on the circulation pumps can be found in the relevant pump documentation.

Actuator

Technical information on the actuators can be found in the relevant actuator documentation.

DN 40 

 

DN 50

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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