Watts HK25 Series Installation And Operating Manual Download | Manualshive

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Series HK/HKM 25/32

Pump groups for unmixed and mixed heating circuits
DN 25 and DN 32

Installation and Operating Manual
(translated from the original operating manual)

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Summary of Contents for HK25 Series

Page 1: ...WattsWater eu Series HK HKM 25 32 Pump groups for unmixed and mixed heating circuits DN 25 and DN 32 Installation and Operating Manual translated from the original operating manual...

Page 2: ...t conformity A Declaration of Conformity according to the Machinery Directive 2006 42 EC has been issued for this pump group product 1 3 Product features stable mounting bracket including mounting har...

Page 3: ...for mounting on a wall The pump group is not intended to be operated by people including children with physical sensory or mental disabilities nor by people with insufficient experience or previous k...

Page 4: ...Axis center distance 125 mm Sealing surfaces distance 342 5 mm Connections to pipe network Heating circuit top HK25 HK25 KH HKM25 11 2 male connection flat sealaing Fitting 11 2 union nut x 1 female c...

Page 5: ...2 Pressure loss mbar 1 10 100 1 000 100 1 000 10 000 100 000 Flow rate l h HK25 HK25 KH HK32 Fig 4 1 Pressure loss curves HK25 HK25 KH and HK32 Pump mixing valve groups HKM25 HKM32 Pressure loss mbar...

Page 6: ...5 12 5 300 40 130 130 A A 125 G1 1 2 G1 1 2 15 342 5 12 5 300 40 HK25 HK32 HKM25 HKM32 A 1 F 11 4 F A 1 F 11 4 F Fig 5 1 Dimensions HK25 and HK32 Fig 5 2 Dimensions HKM25 and HKM32 125 G11 2 130 130 R...

Page 7: ...KH 1 Ball valve with gravity brake 1 supply 2 Ball valve return 3 Circulation pump 4 Wall bracket 5 Distance pipe 6 Additional ball valve only HK25 KH 7 Bypass connection pipe only HKM 8 3 way mixer...

Page 8: ...55 Nm 11 4 fittings 90 Nm 11 2 fittings 130 Nm 2 fittings 190 Nm Requirement The valves are pre installed at the factory but must be checked for leaks during commissioning pressure test 1 Dismantle th...

Page 9: ...er supply and secure it against being switched on again 2 Loosen the nuts on the pump bottom connection 3 Turn the pump and the flow ball valve by 180 degrees 4 Rotate the nut on the return ball valve...

Page 10: ...tools materials and other equipment used from the working area Vent the system 8 2 Replacement of wear parts Please note that the pump group contains parts that for technical reasons are subject to we...

Page 11: ...y mixer HKM 1 Replace damaged or defective seals if necessary 2 Install the 3 way mixer M and tighten the union nuts 3 Mount the motor S 4 Slowly open the ball valves by turning the thermometer handle...

Page 12: ...pump group properly or commission a specialist company to do so 3 Sort the assemblies and component parts into recyclable materials hazardous substances and operating materials 4 Dispose of the assemb...

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