Danfoss Akva Lux II VXe Instructions For Installation And Use Manual
Danfoss Akva Lux II VXe Instructions For Installation And Use Manual

Danfoss Akva Lux II VXe Instructions For Installation And Use Manual

Indirect, fully insulated district heating subtation

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Instructions for installation and use
Indirect, fully insulated district
heating subtation Akva Lux II VXe
Indirect district heating substation for heating and domestic hot water.
VXe
Fully insulated
for very low
heat losses.
www.danfoss.com

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Summary of Contents for Danfoss Akva Lux II VXe

  • Page 1 Instructions for installation and use Indirect, fully insulated district heating subtation Akva Lux II VXe Indirect district heating substation for heating and domestic hot water. Fully insulated for very low heat losses. www.danfoss.com...
  • Page 2: Table Of Contents

    13.0 Heating circuit, pump ......................................... 18 14.0 Domestic hot water ..........................................20 15.0 Maintenance............................................21 16.0 Troubleshooting ........................................... 23 16.0 EU Declaration of conformity ......................................25 17.0 Commissioning Certificate ........................................ 26 2 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 3: Installation Instructions, Safety And Handling

    As far as possible, do not lift the substation by the pipes. Lifting by the pipes may cause leaks. REMEMBER to retighten. NOTE: Interventions/rework on our components results in loss of warranty. xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 3...
  • Page 4 Close all energy sources and disconnect all connection pipes. Disconnect and dismantle the product for disposal in accordance with the applicable local regulations for the disposal of the individual components. 4 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 5: Getting Started - Quick Guide For Easy Start-Up

    Now switch on the pump and automatic components, if any. 12. Finish by adjusting the substation in accordance with the instruc- tion manuals and remember to fill out the Commissioning Certificate page 31. xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 5...
  • Page 6 ECL controller. Temperatures: To be read on thermometers 13 Pressure: To be read on manometer 15 Filling the system with water: See page 11 6 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 7: Main Components / Connections

    Fitting piece for heat meter ¾” x 110 mm Danfoss Controller ECL 310/A237/337 Actuator AMV Pressure independent control valve with integrated flow limiter AVQM PTC2+P Controller Thermostat for bypass/circulation 23A+B Primary Secondary xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 7...
  • Page 8 Instructions for installation and use Akva Lux II VXe 4. MAIN COMPONENTS / CONNECTION - AKVA LUX II VXE A237/337, STW Akva Lux II VXe HWP, ECL 310/A237/337 Plate heat exchanger HE Plate heat exchanger DHW Strainer Non-return valve Ball valve ¾ ET/ET 120 mm for thermometer/manometer Ball valve ¾...
  • Page 9: Diagram, Dimensional Sketch, Example

    Instructions for installation and use Akva Lux II VXe 5. DIAGRAM & DIMENSIONAL SKETCH, EXAMPLE - AKVA LUX II VXE A237/337 Plate heat exchanger HE 23A Sensor pocket ½”/10x1, plug M10 Plate heat exchanger DHW for heat meter Strainer 23B Plug ½” with O-ring...
  • Page 10: General, Mounting Of Heat Meter And Safety Valves

    The insulation cover is be prepared for this and blow-off pipe from the safety valves are led through the slit in the insulating cover as shown in the photo to the right. 10 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 11: Filling The System With Water

    Filling of water to the heating system must be done outside the substation, typically by connection to a cold water supply in the house- hold installation. xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 11...
  • Page 12: Recirculation

    Instructions for installation and use Akva Lux II VXe 8. RECIRCULATION Circulation set for Akva Lux II VXe substations is available as extra equip- ment. The set applies to various substation types, therefore excess components may occur. It is to be recommended to prepare the substation for recircu- lation BEFORE mounting it on the wall.
  • Page 13: Electrical Connections

    Power consumption: 2 / 8 VA Do not forget to establish potential equalization. For further information please see enclosed instruction manual. The Akva Lux II VXe are delivered with Danfoss ECL Comfort 310 Pumpe UPM3 AUTO controllers from factory. Supply voltage: 230 V a.c.
  • Page 14: Adjustmend And Commissioning

    0,5 bar. Manometer Differential pressure controller For Akva Lux II VXe the differential pressure controller is installed in the AVQM self-acting flow controller with integrated control valve. Please see page 16. AVQM 14 | ©...
  • Page 15: Heating Circuit, Danfoss Ecl 310 Automatics

    If increased heat demand occurs during the heating period, the controller settings can be changed See ECL Application Key Box with ECL Comfort 210/310 user guide and mounting guide, for further information. xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 15...
  • Page 16: Control Of Heating Circuit

    AMV 150 tuator Manual override For controlling the heating circuit the Akva Lux II VXe is supplied with a self-acting flow controller with integrated control valve Danfoss AVQM and a Danfoss AMV actuator placed in the primary return flow line. The AMV actuator is electrically wired to the controller from the plant.
  • Page 17 Danfoss ECL controller with a 2 m cable, enabling the thermostat housing to be mounted in any mounting position on the household piping (HE supply) on site. For additional information see the enclosed manuals for: Jumo AT xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 17...
  • Page 18: Heating Circuit, Pump

    LEDs indicate the current power consumption. % of P max. 0% (standby) See fig. 2 - Performance view. 0 - 25% 25 - 50% 50 - 75% 75 - 100 % 18 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 19 See fig. 5 - Alarm status. When there is no active alarm anymore Supply voltage low the user interface switches back to operation mode shortly and then showing power consumption. Electrical error xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 19...
  • Page 20: Domestic Hot Water

    55°C to prevent limescale deposits building up in the water heater. NB! The pin must be positioned be- tween the blue and red dot, otherwise the controller will shut down. 20 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 21: Maintenance

    It is therefore important to focus on these return temperatures. xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 21...
  • Page 22 Check the functions of all shut-off valves Check that the ball valves open and close as they should *)Enduser/caretaker. Note! After maintenance work has been carried out all gaskets HAVE to be replaced. 22 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 23: Troubleshooting

    Set the pump to a higher speed - see the rotation (not all system types). instructions for the heating system. Air pockets in the system. Vent the installation thoroughly - see the instructions. xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 23...
  • Page 24 Temperature falls during tapping (lack Air in the capillary tube for the differen- Vent the capillary pipe. of capacity) tial pressure controller. Replace the plate heat exchanger. Calified plate heat exchanger. 24 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 25: Eu Declaration Of Conformity

    Instructions for installation and use Akva Lux II VXe 17. EU DECLARATION OF CONFORMITY xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 25...
  • Page 26: Commissioning Certificate

    Over-tightening may result in leaks. Leaks caused by ove-rtightening or failure to retighten connections are not covered by the warranty. To be filled-out by the installer This substation has been retightened, adjusted and commissioned on the: by installer: Date/Year Company name (stamp) 26 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...
  • Page 27 Instructions for installation and use Akva Lux II VXe xxxxxxxxxxxxxxx © Danfoss | Produced by Danfoss Redan A/S | 2021.02 | 27...
  • Page 28 28 | © Danfoss | Produced by Danfoss Redan A/S | 2021.02 xxxxxxx...

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