Related Manuals for Watts HK25 Series
Summary of Contents for Watts HK25 Series
- Page 1 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) WattsWater.eu...
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Page 2: Table Of Contents
ENGLISH Contents 1 General information 1.1 Important information .............2 1.1 Important information 1.2 Product conformity ............2 NOTICE The plant operator is responsible for ensuring compliance with the local laws and regu- 1.3 Product features .............2 lations (e.g. accident prevention regulations, etc.). 2 Safety ............ -
Page 3: Safety
ENGLISH 2 Safety 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 2.1 Presentation of safety information previous knowledge. DANGER DANGER indicates an imminent danger ... -
Page 4: Technical Data
ENGLISH 3 Technical data Hydraulic performance data 6 bar Max. operating pressure Ambient temperature -2 °C to +40 °C ( observe pump specification! Operating temperature +2 °C to +90 °C ( observe pump specification! 10 mbar Opening pressure of gravity brake Nominal size HK25, HK25-KH, HKM25: DN25 HK32, HKM32: DN32... - Page 5 ENGLISH 4 Pressure loss curves Pump groups HK25, HK32 1.000 1.000 10.000 100.000 HK25,HK25-KH Flow rate [l/h] HK32 Fig. 4-1: Pressure loss curves HK25, HK25-KH and HK32 Pump mixing valve groups HKM25, HKM32 1.000 1.000 10.000 100.000 HKM25 Flow rate [l/h] HKM32 Fig.
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Page 6: Overlall Dimensions
ENGLISH 5 Overlall dimensions G11/2" G11/2" G1 1/2" G1 1/2" HK25 HK32 HKM25 HKM32 1" F 11/4" F 1" F 11/4" F Fig. 5-1: Dimensions HK25 and HK32 Fig. 5-2: Dimensions HKM25 and HKM32 Rp1" Rp1" G11/2" G11/2" 240,5 Fig. 5-3: Dimensions HK25-KH Fig. -
Page 7: Construction
ENGLISH 6 Construction Fig. 6-1: HK25 and HK32 Fig. 6-2: HKM25 and HKM32 Ball valve with gravity brake (supply) Ball valve (return) Circulation pump Wall bracket Distance pipe Additional ball valve (only HK25-KH) Bypass connection pipe (only HKM) 3-way-mixer (only HKM) 3-point motor (only HKM) Supply outlet (heating circuit) Return inlet (heating circuit) -
Page 8: Installation And Commissioning
ENGLISH 7 Installation and commissioning Requirement • The valves are pre-installed at the factory but must be checked for leaks during commissioning (pressure test). DANGER Electrical energy! 1. Dismantle the front panel (A) of the pump group. Risk of death from electric shock. •... -
Page 9: Thermometer Handle Position
ENGLISH 7.4 Thermometer handle position 7.5 Exchanging the supply and return line (HKM) Initial situation: The supply line is on the right side. 1. Disconnect the power supply and secure it against being switched on again. 2. Loosen the nuts on the pump bottom connection. 3. -
Page 10: Maintenance
ENGLISH 8 Maintenance 8.3 Disassembling the circulation pump 1. Disconnect the power supply and secure it against being switched on again. DANGER Electrical energy! 2. Remove the front panel (A) of the pump group. Perform maintenance work on the pump group only when 3. -
Page 11: Disassembling The 3-Way Mixer (Hkm)
ENGLISH 8.5 Disassembling the 3-way mixer (HKM) 8.7 3-way mixer motor settings (HKM) 1. Disconnect the power supply and secure it against being NOTICE The correct positioning of the bearing shaft switched on again. must be checked when retrofitting the motor. 2. -
Page 12: Disposal
Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattswater.eu/gtc/ Watts hereby objects to any term, different from or additional to Watts terms, contained in any buyer communication in any form, unless agreed to in a writing signed by an officer of Watts..